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Types of machines and technology for processing car tires. We make crumb rubber with our own hands using a homemade crusher. Processing tires into crumbs at home.

Waste disposal is one of the pressing problems of our time - however, few businessmen are able to see the prospects for activity in this direction. The paradox is that every year thousands of tons of raw materials are lost in city landfills and landfills, while being an almost free resource for creating a successful and profitable business.

An example of such a business is the processing of tires into crumbs: the price of the equipment and the requirements for production space make it possible to quickly develop an enterprise in fairly modest conditions, and the income measured in millions leaves no room for doubt about the feasibility of the investment.

Considering that existing domestic factories are not able to recycle more than 20–25% of the volume of used tires that end up in landfills annually, it can be assumed that in this free niche, a newly created business will not experience difficulties in finding raw materials. This will allow the entrepreneur to pay more attention to organizing sales and creating related production that allows him to receive additional income.

What can you get from recycling?

When considering, it should be taken into account that the recycling of old tires involves two possible directions: pyrolysis processing and grinding into crumbs. The differences between them are in the equipment used, energy intensity, the amount of start-up capital and methods of implementation. finished products.

In pyrolysis plants, the raw material is heated to 450–500°C and breaks down into:

Synthetic liquid fuel, which is used in boilers and heating installations. With further distillation, hydrocarbon fractions can be obtained from it - gasoline, diesel fuel, fuel oil and resins;
Carbon black, which is used as an adsorbent, a filler in the production of rubber products, a dye in the paint and varnish industry and a base for bitumen mastics;
Gas used for re-combustion in a pyrolysis plant.

Tires are made from high-quality rubber, which, after mechanical grinding, fully retains such properties as elasticity, strength, and resistance to chemical attack. When processing car tires into crumbs, the main products are various fractions - from 0.25 to 5 mm, widely used for the manufacture of:

Rubber tiles, coverings for stadiums, gyms and playgrounds;
Sports equipment (as a filler);
Soles for shoes, rubber boots;
Wear-resistant road surface;
Speed bumps, bump stops, railroad crossings;
Bumpers, mats, mudguards and other automotive rubber products;
Linings for railway sleepers.

The steel component of the tire is also separated from the rubber and used as a reinforcing additive for concrete in the construction of buildings and roads, or as a raw material for melting.

Thus, the processing of worn tires into crumbs, as well as pyrolysis recycling, are practically waste-free processes that make it possible to obtain products that are quite in demand in industry.

Processing technology

Currently, three main technologies for processing tires into crumbs are used:

Cryogenic grinding after treatment with liquid nitrogen. Despite its effectiveness, this method requires huge costs - about 30–40 million rubles;
Mechanical abrasion and deformation in a confined space;
Cutting tires into pieces and then grinding them using crushers and mills.

In the latter case, equipment for processing tires into crumbs is the most affordable for small businesses, since it can be located on an area of 300–450 m² with a total investment of 4–7 million rubles.

The technological process includes:

Preliminary inspection of raw materials and removal of foreign matter;
Removing the seat ring from one side;
Cutting the tire into strips 4–5 cm wide;
Removing the second ring;
Cutting the tape into “chips” measuring 20–40 mm;
Grinding of fragments using a shredder and rollers;
Separation of textile and steel cord;
Sorting crumbs into fractions;
Packaging and shipping.

Equipment for processing tires into crumbs

Sources of raw materials

Organizing a continuous supply of raw materials is one of the most important tasks in this business: processing tires into crumb rubber will be profitable if the equipment is fully loaded for at least one eight-hour shift per day. Even a small workshop can process 200–500 kg of rubber per hour - such an enterprise will require a daily supply of at least three to four tons of old tires. To ensure such volumes, you will have to establish contacts with all possible sources:

Motor transport enterprises, bus and trolleybus fleets;
Landfills for urban and industrial waste;
Tire workshops and car services.

According to the law, legal entities must pay for waste disposal (including old tires) in the amount of 2000–2500 rubles per ton. Therefore, the offer to recycle tires at a lower price will be commercially profitable for them.

In addition, the population also experiences problems with recycling tires: by organizing a stationary collection point, you can buy them at a mutually beneficial price and constantly supply the plant for processing tires into crumbs with raw materials.

Sales organization

Crumb rubber, textiles and metal cord cannot be classified as goods in demand among retail buyers. Therefore, a business plan for processing tires into crumbs should include organizing sales through contacts with wholesale buyers or direct deliveries to construction and processing industries.

You can find interested clients using the Internet, participation in specialized exhibitions, newsletters commercial offers and personal negotiations. At the same time, it is important to correlate the customer’s needs with the capabilities of its own production - not every company is ready to buy tens of tons of crumb rubber every month.

Advantages and disadvantages of business

Recycling tires into crumbs is a business that is of interest to entrepreneurs and investors, not only because of its environmental benefits, but also because of its acceptable level of profitability, quick payback, and also:

Continuously replenished sources of raw materials, available practically free of charge or at a symbolic price;
Simplicity of technology - servicing a line for processing tires into crumb rubber does not require special qualifications or special knowledge;
A large number of industries that use tire processing products;
Opportunities for obtaining comprehensive government support for an enterprise carrying out socially and environmentally beneficial waste disposal activities.

Disadvantages of business include significant capital investments, as well as difficulties that arise when finding regular suppliers and buyers. Therefore, it is advisable to establish the necessary contacts for work before purchasing machines for processing tires into crumbs.

Enterprise registration

At official registration The enterprise does not have any legal subtleties - since 2012, tire recycling activities are not subject to licensing. Of course, to open a business, you need permits from the fire and sanitary services, as well as contracts for the supply of electricity and waste removal. However, when choosing a form of ownership, some economic factors should be taken into account:

Individual entrepreneurship presupposes the availability of sufficient start-up capital or the possibility of receiving government assistance in the form of grants, partial compensation for the cost of equipment, preferential loans and reimbursement of payments under equipment leasing agreements;
If the launch of a mini plant for processing tires into crumb requires the involvement of partners, co-owners or private investors, then it would be advisable to register a limited liability company.

Search for premises

A suitable production facility should include not only the space required to install a tire crumb processing line, but also an area for stockpiling raw materials, as well as space for storing finished products. A workshop with an area of 350–500 m² and a ceiling height of 5 meters, located on the outskirts or outside the city in an industrial zone and with good access roads for heavy vehicles, would be acceptable.

Second necessary condition- availability of connection to utility networks: water supply and power lines with a power of at least 120–150 kW.

Third, the distance between the enterprise and residential buildings. Due to the noisy production, the sanitary standard here is taken to be 300 m.

You can find such premises on the territory of former and operating enterprises, bases, and warehouse complexes. Rental prices here will be reasonable, and the lack of renovation requirements will lead to additional savings.

Equipment selection

The average cost of equipment for processing tires into crumbs is determined both by its capacity and the country of production. The advantage of domestic lines over Chinese ones is the availability of services for setting up, starting up, maintaining and repairing machines. However, even at the initial level, processing 100–200 kg of raw materials per hour requires costs of 1.5–2 million rubles. Unfortunately, such lines are often functionally limited (for example, there is no magnetic separator or cyclone), therefore, to launch a full-fledged enterprise, it is advisable to consider complexes with a capacity of up to 300–500 kg/h, consisting of:

Bead cutting machine;
Machine for removing seat rings;
Machine for cutting tires into strips;
Machine for cutting tape into “chips”;
Roller machine, mill;
Vibrating table and vibrating screens;
Magnetic separator for metal removal;
Cyclone for removing textiles;
Electrical switching equipment;
Conveyor set.

The total price of machines for processing tires into crumbs to produce such capacity is 5.5–5.7 million rubles. However, the needs of the enterprise sometimes require the purchase of additional equipment:

Large tire cutter;
Storage bins;
Libra;
Machines for sewing polypropylene bags.

Taking into account hand tools, a tire recycling workshop can be equipped for 6–6.2 million rubles. However, despite the impressiveness of this amount, investments in production pay off quite quickly.

Staff

The process of processing tires into crumbs with your own hands is technologically simple, and therefore does not require the constant presence of highly qualified personnel (with the exception of repair and maintenance of the line - sharpening knives, replacing conveyor belts or electric motors). Such production can be serviced by 3–4 people. In addition to them, you should hire:

Accountant (possible on a part-time basis);
Receiver of raw materials (storekeeper);
Sales Manager;
Driver with cargo vehicles.

General spending plan

Considering the high cost of equipment for processing tires into crumb rubber, entrepreneurs can turn to the state or private investors for help. To do this, you need to develop a detailed business plan that takes into account all the associated costs:

Initial investment in business

Monthly expenses

Revenues and profitability

The main advantage of processing used tires into crumb rubber is the minimum price of raw materials. Most often it is zero, but in some cases enterprises even pay extra for waste disposal.

The line with a capacity of 400 kg/h allows you to process up to 80 tons of rubber per month, producing 55 tons of crumbs, 15 tons of metal cord and 10 tons of textiles. When determining income, we can assume that the price of crumb rubber of different fractions is approximately the same: 16–17 rubles per kilogram. The market value of a kilogram of textiles is 2 rubles, and of metal cord is 2.5 rubles.

Enterprise income

Thus, the average return on investment in a business when the enterprise is fully loaded is 8.5–9 months. The minimum volume of raw materials that needs to be processed to recoup current costs is 170 kilograms per hour.

Production risks

Like any business, recycling old tires comes with known risks. Some of them are reduced by timely maintenance of machines, others are unforeseen circumstances:

Interruptions in the supply of raw materials;
Breakdown and subsequent downtime of equipment;
Failures in sales organization;
Damage to products due to non-compliance with storage conditions;
Falling product prices.

Organizational risks should be minimized by duplicating supply and sales channels, searching for new buyers not only in Russia but also abroad, as well as by expanding the scope of activity. For example, products from processing tires into crumbs at home can be pressed into tiles and painted, thus producing a practical and safe coating for tennis courts, sports and playgrounds.

Video on the topic

Every year, thousands of tires are lost in landfills and landfills, despite the fact that for an enterprising person they are a free resource from which crumb rubber can be produced.

If you need it only once, you can buy it at the right quantity from manufacturers.

But where can I get crumb rubber if I need it? permanent basis and in large quantities?

It is worth considering purchasing your own tire recycling equipment.

However, not everyone can afford a full-fledged installation, and not everyone will find such an investment profitable. The solution is to create equipment with your own hands and use it to produce crumb rubber from tires at home.

Recycling small amounts of rubber at home

If you need very little raw material, you can do without equipment at all.

All you need is scissors and a cutter.

The metal cord is first removed from the tire, then divided into strips and crushed into smaller fractions to the required size.

At this point the process is considered complete.

The material for decorating paths, flower beds or a separate playground is ready for use.

But in order to obtain a larger volume of raw materials or to have income from processing tires at home, you need the appropriate equipment.

Construction of a tire crusher

There are three main methods for producing crumbs:

Crushing tires after cooling them with liquid nitrogen to –190 degrees.
Production of crumbs using full-cycle industrial equipment with cord removal and subsequent rubber grinding.
Processing using universal crushers, which can be done at home yourself.

The first two methods require large investments. The third option is available to anyone who has the opportunity and desire to make a crusher at home.

The necessary units can be made independently in a workshop or at a production site - where there are metal-cutting machines (lathes, milling) and a welding machine for the manufacture of component parts.

If you cannot perform mechanical processing of the workpieces yourself and you have to order them according to your own drawings, the cost of tire processing machines will still be several times cheaper than similar purchased units.

The main component on the tire conversion line is a shredder (rubber shredder). Let us consider in more detail the purpose of the components of this machine.

Unit design

The machine consists of the following main components:

electric motor 5 kW – 2 pcs;
housing with disk shafts;
lattice;
worm gearbox – 2 pcs.;
shredder frame;
loading hopper;
guide tray;
control cabinet.

The installation parts are mounted on a powerful frame welded from channels.

Box with cutting discs

The main unit of a rubber crusher is a housing with milling rolls.

At the same time, the cutting knives are made of high-strength steel and heat-treated, which significantly reduces their wear. They practically do not require sharpening during operation.

The calculation of the box openings, shafts and cutting elements must be accurate, so it must be done by a specialist in this field (designer).

Grid for calibrating crumbs

In order to obtain a calibrated fraction of tire raw materials, shredders are equipped with a special grid, which is installed under the rolls.

Worm gearbox

The rotation of shafts with disk cutters is carried out separately, directly from worm gearboxes connected to electric motors through couplings.

The gear ratio is selected from 25 to 35 so that cutting occurs without jamming and at sufficient speed.

Unit frame

The frame is welded from profile elements, ensuring the reliability and stability of the unit during operation, as well as loading and unloading operations.

Loading hopper

The tire recycling plant is equipped with a tire loading hopper and a tray for removing finished crumb rubber.

Thanks to its design, the hopper eliminates the formation of jams from the raw material and guarantees directed movement of the mass towards the rotating rolls.

Tire cutting device

The tire cutting and cord removal installation consists of a supporting frame and a stand.

The frame contains a tire clamping mechanism that rotates with the tire during cutting. Engine speed is reduced due to different pulley diameters. The stand has a built-in wedge cutter, which is adjusted to a specific size by moving the quill.

How to shred tires?

The technological chain consists of several preparatory stages, before the product of the required fraction is obtained.

This procedure includes:

Inspection and removal of foreign objects from the tire cavity.
Cord cutting.
Cutting tires into strips measuring 50-80 mm.
Grinding of raw materials using a shredder.
Separation and separation of metal parts from textile parts.
Calibration of crumbs into fractions using a vibrating sieve.

Equipment performance

The operation of these two main units when processing tires is done in a semi-automatic mode.

For normal operation of this line, a room of about 150-200 sq. m is required. meters. This is due to the fact that you need a place to locate not only equipment, but also to store used tires, finished tire products and metal waste.

The production of crumb rubber on this equipment per hour will be approximately 200-800 kg and up to 100 kg of metal scrap; 2-3 unqualified workers will be needed to service the machines.

In addition to tires, this equipment can process other rubber (conveyor belt, inner tubes, gas masks). The output is crumbs with dimensions from 0.7 to 4 mm, while it makes up 65-85% of the total mass of raw materials.

Where to use the resulting raw materials?

Rubber crumbs can be:

The price of the crumbs will depend mainly on the quality of the raw materials, and secondarily on the fraction.

The most popular is crumb, the fraction of which is 2-4 mm.

It's great for creating:

The popularity of such crumbs is due to the fact that a minimal amount of glue is used to glue these granules together. And a polyurethane binder is sometimes 5-8 times more expensive than crumbs.

Video on the topic

In this video you can see how to grind rubber and make crumbs at home.

Conclusion

Making your own tire crusher is a good idea for those who want to make their own crumb rubber, but are not ready to spend tens of thousands of dollars on equipment.

You can create a chopper if you have a carpentry workshop, as well as certain skills and materials, or use the services of people who specialize in this.

The crumbs obtained at home can be used for your own needs or sold to businesses and the public.

In contact with

Classmates

rcycle.net

Processing tires into crumbs at home: how to make it

It has long been known that worn-out tires that are out of service are a potential source of environmental pollution and environmental damage. Processing tires into crumbs at home is just as popular a method as the factory ones. Rubber waste from used tires is virtually non-biodegradable and takes hundreds of years to decompose.

It should be noted that this rubber waste is a flammable material, and if a huge number of tires catch fire, they can pose a threat of poisoning to everyone nearby, since rubber releases carcinogenic toxins when burned, such as benzopyrene. Storage in landfills leads to the proliferation of rodents and insects, which are sources of dangerous infections. To avoid deterioration of the environmental situation in Russia and abroad, proper disposal, namely waste recycling, is required. Without constant recycling, an environmental crisis could occur very soon.

Recycling

Recycling is also economically beneficial. From car tires you can obtain various types of valuable recyclable materials, as well as produce a huge amount of finished products. New car tires and rubber shoes are produced from waste rubber powder of a very fine fraction (about 0.2 mm); this secondary resource is popular in Russia and the CIS countries.

Powder from waste of larger fractions is used in the production of composite roofing materials, rubber-bitumen mastic, waterproofing materials, and rubber coatings. Scrap metal is obtained from metal cord, which is also used by Russian entrepreneurs. Also, textiles and rubber are obtained from tires.

Recycling at home

Particularly active and advanced people have the opportunity to recycle rubber with their own hands. What is needed for this? Used tubes, tires, tires and a little ingenuity. Recycling tires into crumbs at home is quite a complex undertaking. In terms of their properties, tubes from old tires are more suitable. They are softer and easier to give in external influence.

In one scenario, the rubber should be cooled to a temperature of approximately -75°C. Agree, not everyone has such an opportunity. So let's use the traditional scenario:

Take your cameras
Remove all unnecessary elements from them
Cut them into thin strips
Chop these strips

The rubber grinder in this case is an ax or scissors.

Mechanical processing method

The most professional method. Process line represents a sequence of installed working apparatuses, overcoming which the material becomes a finished product.

Processing into crumb rubber goes through three stages:

Preliminary preparation of tires. Initially, they are washed and cleared of impurities, after which they are transported by conveyor to the primary crushing unit, where they are ground by knife crushers to large pieces (30-50 mm).
At the second stage of the technological process, the primary processed raw materials are fed using a belt conveyor into a hammer crusher, where they are crushed a second time to smaller sizes (10-20 mm). It is at this stage of processing that the metal and textile cord and bead wire are separated from the rubber. Textiles are separated by a special textile removal system, and metal is separated by a magnetic separator. The collected metal waste is then briquetted.
At the final stage, processing into crumbs is already carried out. An extruder is used as equipment for processing tires into crumbs, in which the rubber mass is ground into a fine powder. At this stage of tire processing, additional cleaning of the crumbs from textiles and metal is also carried out using a gravity separator. After this, the crushed rubber crumb is divided into fractions and packaged in 20 kg polyethylene bags or big bags (soft containers) with a carrying capacity of up to 1000 kg.

Today there are a sufficient number of manufacturers of this equipment on the Russian market.

Chemical processing method

With the chemical treatment method, car tires undergo pyrolysis. With this processing method, thermal decomposition of rubber into its component elements occurs. The tires are first crushed into a homogeneous mass and sent to the oven, where they decompose at a temperature of 500 - 800 °C. This procedure lasts 10 - 20 minutes. During the thermal decomposition of rubber, about 50% hydrogen and 26% methane are formed, as well as solid pyrolysis products, which are then used in wastewater treatment at wastewater treatment plants in Russia.

There is also an effective, but expensive physical and chemical method for processing tires into crumb rubber - cryogenic grinding of car tires. Rubber crushing is carried out in a special cooling chamber under extremely low temperatures(up to - 120 °C). A refrigerant (liquid nitrogen) is supplied to this chamber, cooling it to ultra-low temperatures. Under strong cooling conditions, rubber acquires a glassy state. Crushing of rubber occurs when struck with a special hammer. After grinding, textiles and metal are removed from the rubber crumb.

Nowadays, there are many mini-factories for processing tires. The business plan for recycling car tires is quite simple. To implement it, you will need modern equipment for processing car tires, equipment for warehouses, fuel tanks, tools and clothing for workers, as well as the cost of installing equipment. Registration of the enterprise and a license that will allow you to engage in this type of activity are required. To start this business you will need significant start-up capital.

vtorothodi.ru

Scheme for creating a homemade PET shredder

Polymer materials have become very firmly entrenched in our lives and can now be found in any industry.

But due to the fact that these materials do not decompose naturally, they cause serious damage to the environment.

A positive feature is the possibility of their recycling.

To do this, the plastic is first prepared and brought into the necessary state for this, it is crushed. To do this, special devices were invented - crushers (shredders, machines, shredders) for plastic. You can make such a crusher with your own hands.

Types of shredders

There are three types of such devices, which differ in their ability to process a particular polymer material.

They are divided into options:

The design looks like V-shaped blades on scissors and is suitable for shredding plastics such as acrylic, film and nylon.
A type that is used mainly in factories where plastics are produced, as well as in recycling plants.

By design, they come in several types: hammer, cone or jaw crushers. They are used for processing large plastic products, such as window profiles.

The most common option has a rotor design and is used for processing thin-walled plastics such as bottles and polystyrene foam.

A plastic shredder will allow its owner to contribute to the environment and even earn money. For domestic purposes, a rotary version of the crusher is usually used. Its design consists of a rotor on which the knives are securely attached.

Mesh for crushers

After turning on (and it can work either from a liquid fuel engine or from a conventional electric motor), the axis with knives begins to rotate and, as a result, under quick and strong blows, the raw materials that get inside such a device are crushed.

At the bottom of the grinding body there is a grid that has a certain cell size. It is determined depending on what diameter the fraction should ultimately have.

The raw material is processed in the device until it reaches the desired size and exits through this sieve.

Specialist's note: the quality of the metal of the knives used should be used as strong as possible. It is best to use high-quality hardened steel so that the blades wear out less quickly and the sharpness of the knives is maintained longer.

Materials and tools

To assemble such a device at home, you will need certain skills in working with a welding machine.

In total, the plastic shredder consists of the following elements:

circular saws. The optimal number is approximately 20 pieces.

Since this is the basis of the entire apparatus, they should be selected only of high quality and with different configurations of teeth, which will allow for better grinding of waste;

It is best to use an electric motor as a drive. The reason is a wider choice and the ability to use not only in open space, but also in the room itself;
axis for fastening saws;
to create the frame and frame you will also need a metal profile;
various fastening elements;
a hopper through which the material for processing will be supplied and a protective casing;
To connect the rotor you will need a special belt, as well as a pulley and several bearings.

An incorrect choice of saws for a crusher can lead to an imbalance on the axis, which will cause the structure to vibrate strongly and wear out faster.

Process of creation

Schematic diagram of a plastic crusher

After preparing everything necessary for work, you can begin the manufacturing stage:

First, a cutting block is made by putting it on a pre-prepared axis of circular saws. To ensure that the necessary space remains between such improvised knives, it is worth using nuts.
Next, we install the structure on the pulley and, using bearings, ensure free rotation.
Now we make a rectangular frame and supporting frame from prepared metal materials.
The next step is to weld the legs, adjusted in height, also using welding.
Next, the frame is covered with a steel sheet; to do this, we weld it to the frame. We make a hole of the required size in it and mount the engine at the correct distance from the cutting elements. The protective cover and material supply container are required for safety and operational reasons.
After creating the frame, we begin the last stage of assembling the plastic crusher. To do this, a so-called protective casing and a hopper are put on the knives, through which the raw materials will be supplied. When installing the casing, it is worth pre-providing a hole in it to connect the axle to the pulley.
The final touch is to connect the cutting unit to the motor shaft using a belt. That's it, the design is ready.

The main recommendation that experts give is the need to draw up a drawing of what the planned structure will look like before starting work. This will make it possible to avoid inaccuracies and discrepancies in the sizes of individual parts.

Having designed and assembled such a unit with your own hands, you can, knowing its entire design, easily make changes and modify it.

The crushed plastic will have the size that is included in the design capabilities of the unit itself.

When choosing a power unit, you need to decide in advance how often the device will be used. If the work on it is rare and the loads are insignificant, then a low-power electric motor will suffice, but for active use you will need a more powerful option with big amount rpm

And so as not to have to collect processed fractional material on the floor, it is advisable to provide a place under the saws for attaching a special container in which it will be collected.

Watch a video review of a high-quality, homemade plastic crusher:

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6sotok-dom.com

DIY plastic crusher for recycling

Polymer materials have become firmly established in modern life, and there is not a single industry where they are not used, from packaging production to space technology. Every year about 180 million tons of various plastics are produced on the planet. Most of them cannot independently decompose into simple components and be disposed of independently.

This causes irreparable damage to nature and can cause ecological disaster. Positive feature Almost any polymer (plastic) is recyclable, thanks to which old plastic items can get a “new life” as useful items. Recycled plastic is slightly inferior in strength characteristics to primary polymer, but given the known proportions, products made from recycled plastic practically no different from the original one.

Types of shredders

Before recycling can be produced, any plastic must be shredded. For this there are special devices– crushers. Depending on the physical properties of the polymer placed in them, devices can be classified into several categories:

for shredding PVC film, nylon or acrylic. The design resembles large scissors with “V”-shaped blades;
for large plastic waste. Most often used in recycling plants or plastics factories. They come in hammer, jaw or cone designs. With their help, window profiles and large parts and housings are crushed;
for PET bottles and thin-walled plastics. The most common version of the chopper is structurally called rotary.

You can purchase the required type of device or make it yourself. It's about about a small household appliance from the third category. Making a plastic crusher with your own hands is quite easy and does not require serious knowledge or specialized tools, except for a welding machine.

Learn more about the rotary shredder

The most common design is the impact crusher. It consists of a rotor on which the knives are fixedly mounted. Under the influence of the driving force - from a diesel, gasoline engine or electric motor, the axis with knives begins to move and with quick blows crushes the raw materials that have fallen under the knives. Depending on the purpose, there are low-speed machines and high-speed units.

A sieve or grate with a certain mesh size is installed at the bottom of the working chamber, depending on required quality and the diameter of the resulting fraction. The raw materials are processed cyclically with knives and gradually pass through a sieve.

Particular attention is paid to the quality of the metal from which the knives are made - it should be good hardened steel, which prevents rapid wear and ensures that the sharpness is maintained for a long time.

We make the crusher ourselves

There are several of the most popular types of plastic shredders that are made at home. In order to assemble this device with your own hands you will need a little patience and minimal skills. All you need as a special tool is a welding machine or a household inverter.

A do-it-yourself plastic crusher, the design of which will differ slightly depending on the level of skill of the manufacturer and his imagination, has the following common elements:

drive unit. The most commonly used is an electric motor. Thanks to the large selection and affordable prices, you can choose the model of the required power. In addition, the electric drive crusher is quieter and can be used both outdoors and indoors;
circular saws. This will be the basis of our apparatus. A sufficient number of them should be selected and different configuration teeth for better grinding of waste. The optimal number of saws on the axis is about 20;
the axis on which the saws will be mounted;
metal profile or pipe for making the support frame and frame of the crusher;
protective cover and feed hopper. You can make them yourself at home from galvanized sheets using metal shears, a hammer and a vice;
a pulley, two bearings and a special belt, which creates interaction between the electric motor and the rotor;
fasteners (nuts, washers and metal screws).

When all necessary materials and the tools are prepared, you can begin manufacturing the unit.

First of all, you need to build a cutting unit. To do this, we put circular saws on the prepared axis. The diameter of the axis and the seat of the saw must match. There should be a minimum distance between improvised knives, which is provided by ordinary metal washers. The ends of the saw blades should be well secured with nuts. Then we install the axle on the pulley and use two bearings so that the structure rotates freely.

The next step is making the supporting frame. We make a rectangular frame from a metal corner, profile or pipe by welding. Then we weld the legs of the required height to it. We cover the frame with a sheet of metal, which we weld to the frame. We cut a hole in the sheet equal to the size of the cutting block. We mount the engine at a short distance from the knives.

After the frame is ready, we can begin the final stage of assembling our device. To do this, we put a protective cover on the knives and install a hopper on top for supplying raw materials. It is necessary to provide a hole in the casing through which the axle will be connected to the pulley. Using a special belt, we connect the motor shaft and the cutting unit. Our simplest plastic crusher design is ready.

People who have extensive experience in making all kinds of units with their own hands recommend first of all drawing up a drawing of the future design. In this way, you can avoid size mismatches or missing some components or parts.

Before purchasing an engine, you should decide on its power and output speed. For infrequent use and low loads, a compact low-power electric motor is sufficient. The more actively the crusher is used, the more powerful and “speedy” the motor should be.

It is better to choose light alloy circular saws. They are somewhat more expensive than standard products, but they retain their sharpness much better, which will save you from regularly and frequently removing the cutting unit to sharpen saws. The design itself should be thought out in such a way that you can easily reach any of its nodes.

For greater convenience, you can make a special container where the processed raw materials will be stored. The container is attached directly under the saw blades of the crusher. If you need to receive recycled plastic of various sizes, you should take care of manufacturing and installing a special mesh or grating under the disks with the required mesh size.

Small conclusions

A plastic crusher is a tool that will not only help fight environmental pollution, but will also bring some income to the owner. Shredded plastic can be taken by weight to recycling centers and earn some money. In addition, depending on the design of the cutting unit and the power of the motor, the device can be used to chop leaves and branches - and this is a serious help to any summer resident or owner of a private house.

Assembling the unit is not particularly difficult, and thanks to your own developments, you can improve the design. Assembled independently, the crusher will not differ at all from commercially produced grinders for household needs, and in terms of reliability it will surpass cheap Chinese analogues. One of the options for what a plastic crusher can be is a video plot attached.

polymerinfo.com

Making a garden shredder with your own hands using circular saws

After pruning trees in the spring, most gardeners are faced with the problem of disposing of old branches. If you are an economical owner, accustomed to putting all waste into use, then most likely you send all the branches to the compost heap. All this stuff rots there and in 3-4 years you are guaranteed to get something beautiful. organic fertilizer- compost. All this, of course, is wonderful, but it takes too long. If you first chop up the branches and leaves on them, your compost will mature within a season, or even in a couple of months. And here a garden shredder can come to your aid - a device that turns the source material into chips or flour. The devices available for sale are not cheap, so we suggest you read the instructions on how to make a garden shredder with your own hands.

This is the kind of bandura we will make... let's go!

We will not convince you that a homemade shredder will be completely free. Naturally, some parts will go into its production, which will cost money. However, on average, a homemade unit will cost you 2 times less than a ready-made shredder from a well-known brand. Judge for yourself, for the shredder you will need:

Circular saws – 15-25 pieces
Motor – petrol or electric
Stud (rod) M20, washers and nuts for it
Pulley (for example, from a VAZ generator) and a tight belt
Bearings
Metal pipes for frame
Sheet metal for bunker
Plastic washers 14-24 pieces

Crushing of material in a garden shredder is carried out using knives. In finished models, the knife is most often a metal disk with 2-3 cutting surfaces. A large amount of work quickly renders the teeth unusable and they have to be sharpened periodically - you must admit, this is not very convenient, and it also takes up your time. If you decide to make a garden shredder with your own hands, then you can avoid repeating these design flaws, but assemble a reliable, high-performance and, most importantly, durable knife.

We suggest using circular saws with carbide tips for this. You will need not one disk, but several, to assemble a system from them - a package. In ready-made garden shredders, the knife, as a rule, has a thickness of 3 cm, but we can make a package of any thickness - everything will depend on the number of saws purchased. On average, for a high-quality knife 6-10cm thick you will need 15-25 pieces. Each blade has many teeth, originally designed for sawing hard wood. Therefore, grass stems, leaves and branches will be the same to them as seeds. In extreme cases, if the teeth on your saw become dull, nothing will stop you from going to the nearest tool store and purchasing a replacement.

Circular saws can be successfully used as shredder knives

However, the knife is not everything. In order to set it in motion we need an engine. To quickly chop branches in small volumes, it is easier to use an electric motor. Its use may seem somewhat inconvenient due to the cable and the need to connect to an outlet, but it operates almost silently and does not emit exhaust gases. The walk-behind tractor has more power, so it is ideal for those cases where you need to crush coarse material often and for a long time.

1. The saws are mounted on an axis, the diameter of which is determined by the mounting diameter of the disks (20mm). A stud with an M20 thread is suitable for this. Accordingly, washers and nuts of the same diameter will be needed.

Saws mounted on the axis of the future chopper

If we install the discs on the pin close to each other, the knife will not work. And here's why: the width of the saw teeth is greater than the width of the blade itself, so when rotating, the teeth will cling to each other. To prevent this from happening, it is necessary to separate the disks a short distance. This can be done as easily as possible using homemade washers that you can cut from thin plastic. Their number should be 1 piece less than the number of circular saws.

2. A pulley is put on the stud axle (from a VAZ generator or from a pump). To rotate the axle, two VAZ intermediate shaft bearings with an internal diameter of 20 mm are also used.

3. A frame is welded from profiled metal pipes onto which the walk-behind tractor rod is attached. The engine is mounted on the frame so that it can be moved relative to the circular saws. This is necessary to change the tension of the drive belt if necessary.

An axle with circular saws is attached to the frame

4. For ease of use, a thrust block made of metal profile is attached to the frame, against which branches and stems will rest when crushing.

5. A metal casing must be put on the cutting unit, which is welded from sheet metal or cut from galvanized steel. To be safe, it is better to use the first option.

It is better to make the casing from sheet iron - it is more reliable!

6. Another hopper with a socket is attached to the top for loading the material to be crushed. There are no special requirements for this part, so most often it is made of flexible galvanized steel.

The receiving hopper is easy to make from galvanized steel

Unlike factory models, a homemade shredder does not require excessive care. It will become a universal assistant in the household and will help not only to chop branches and other household waste, but also to crush fruits (apples, pears, plums), along with the seeds. This is very convenient when you need to make jam, puree or homemade wine when the fruits are crushed to a paste.

Garden shredder in action

The circular saws that form the blade of the unit are capable of processing fairly large pieces of wood. Of course, we are not talking about logs, but branches with a diameter of 10 cm will be quite tough for him. This is how a homemade shredder compares favorably with a factory-made product, the body of which simply will not allow large pieces of material to pass through. Accordingly, you will significantly save your time, because you will not have to sort branches by size and think about where to put too large fragments. Also, you will not need to monitor the moisture content of the material, while a purchased shredder requires adjustment of the degree of dampness of the feedstock. The fact is that in most modern ready-made shredders, the electric motor is located at the bottom of the structure, so when processing wet stems, moisture will inevitably get into the motor, and this will lead to breakdown. In a homemade product, you are free to decide for yourself where to install the engine; in the version described above, it is located horizontally, at the same level as the knives.

It is also worth paying attention to the cost savings when using a homemade shredder. Firstly, manufacturing will initially be cheaper than buying a factory device, and secondly, a “homemade” device will not need to purchase expensive parts if it breaks down - all its elements are not expensive.

A homemade garden shredder can crush even large branches, turning them into chips

In addition, a homemade garden shredder is highly productive. All waste loaded into the hopper will be pulled into the saw blades and disappear at incredible speed. Thus, a homemade device can be no worse than an expensive and modern garden tool. In a word, if you really need a chopper, but there is no money to buy it, there is only one way out - to make it yourself!

Reforms in the field of environmental protection, which began to be implemented in recent years, are gradually becoming more stringent.

What should resource users expect? A complete ban on the disposal of waste tires and car tires is being introduced.

This position of legislators should stimulate industry development waste recycling, opening new production facilities for their modification.

Deserves close attention. Low cost, easy way Recycling tires requires the use of special equipment.

Let's take a closer look at the popular types of machines and the production lines formed from them, the characteristics of these units and how much they cost.

The technology for producing crumb rubber from waste tires is a process of sequentially grinding raw materials into small pieces and then grinding them into a fine fraction.

Manufacturers offer a large selection of machines for producing crumb rubber; prices depend on the performance of the equipment.

Single shaft shredders

The operating principle of a single-shaft plant is based on grinding raw materials sequentially lowering and rising low-speed cutting shaft.

The operation of a rubber shredder is as follows:

Tires are fed into the shredder chamber for loading raw materials, where under the action of a hydraulic press they are fed to rotating knives.
The press moves from top to bottom, returning to its original position after reaching the maximum degree of pressure on the shaft.
The crushed raw materials are pressed through special sieves placed under the shaft.

Fastening double-sided knives with screws allows them to be reused after one of the edges wears out. This design feature allows increase standard service life tire crushers.

Among the advantages of single-shaft rubber crumb crushers are:

simple design;
ease of use;
possibility of individual use and inclusion in the production line;
processing of thick raw materials.

An example of such equipment is a single-shaft machine for processing rubber and tires into crumbs from Netmus; the price of the presented equipment varies in the range 120,000 - 2,800,000 rub..

Twin shaft rubber shredders

Twin-shaft machines for crushing tires into crumbs are designed for cutting raw materials into pieces no larger than 5x5 cm. The shredder blades can process tires of both passenger cars and heavy-duty vehicles.

Principle of operation machine is as follows:

A tire is fed into the raw material receiving chamber. The size of the window allows you to load the entire product; the only requirement is to first remove the cord.
The tire shredder shafts rotate in opposite sides. Hooks placed on the rotors grab the raw material and tear it into pieces.
The crushed raw materials are sifted through a sieve, which is a rotating drum. Particles larger than the sifter mesh size are thrown into the loading chamber for reprocessing.
After sorting into fractions, the finished material falls onto a conveyor belt and is fed for packaging.

Benefits of use two-shaft machine for the production of crumb rubber:

the ability to process large-sized raw materials;
no need to sharpen knife blades when reinstalling them.

Productivity of rubber processing machine directly depends on given dimensions final products. Thus, when producing tapes and pieces measuring 5x5 cm, the output of 1 machine will be 2 tons/hour and more, with more thorough grinding - up to 2 tons/hour.

The personnel servicing the machines does not require any special skills in their work.

The number of auxiliary workers to work in 1 shift is 1-2 people: 1 person for loading raw materials, 1 person for receiving finished products.

Twin-shaft tire crushing machines are supplied by Russian company TechnoService LLC.

Tire shredding plant

Let's look at tire shredding plants using the example of UPShK equipment from the Tekhnoresursy company.

The installation is a rotating crown with 25 knives installed on it, connected to a tire clamped in a special chuck.

Manufacturing process as follows:

Feeding the tire to the clamping drum.
Installation and fixation of the tire in the drum manually, or using the installation lifting mechanism.
Turn on the drive and start rotating the drum. The installation control system provides 3 rotor speeds. It is advisable to choose them depending on the outer diameter of the tire.
Approaching the cutting bit rotating in reverse side in relation to the drum. The speed of movement of the crown is set by the service personnel and depends on the desired size of the finished product fraction - the slower the movement, the finer the crumb rubber obtained.

The rubber is removed from the tire starting from the outer layer until reaching the cord layers.

Textile cord can be crushed together with rubber; metal cord is the limit beyond which the use of the installation is prohibited.

Advantages of using the machine:

successfully replaces an entire tire shredding line;
competitive price;
ease of transportation;
quick installation;
instant connection to the power supply system;
the ability to recycle tires of various sizes;
short payback period.

The installation is serviced by one worker. The production technology itself is very simple and does not require additional training.

In a month, one installation is capable of producing 34 tons of clean rubber crumb.

Prices for such equipment for processing rubber into crumbs start from 770,000 rub..

Lines

An integrated approach to solving the problem tire processing is provided by lines for grinding used tires into crumbs.

The equipment packages offered by different manufacturers differ little from each other:

device for removing the bead ring;
guillotine for shredding tires into strips;
machine for squeezing metal cord;
rollers for making crumb rubber;
magnetic and air separators;
vibrating sieve

Technology tire processing is as follows:

Separation of tires by weight and diameter, cleaning from large contaminants.
Place the tire in a vice to separate the bead ring from the rubber.
Cutting the resulting rubber into strips about 4 cm wide.
Dividing strips into small pieces.
Grinding the workpieces into crumbs and then feeding the product onto the conveyor.
Purification of products in the separation chamber. Using the magnetic fields created by the installation, metal cord particles are separated from the total mass of crumbs. In the air cleaning chamber, due to the generated vortex flows, the final separation of foreign impurities from rubber particles occurs.
Sorting the resulting products into size fractions.

The finished crumbs are packaged and can be sent for implementation. Larger particles are returned to the conveyor and re-crushed.

Line productivity is from 500 kg of raw materials per hour.

To maintain the line, 2-3 people will be required per 1 shift, and no special training in how to operate the equipment is required.

On the market of production equipment, tire processing lines are represented by manufacturers from different countries. Let's look at the distinctive features of individual brands of equipment.

Tire processing line from the Novokuznetsk company ALPHA SPK “ATR-250” declared by the manufacturer as fully automatic. Human participation is required only if there is a need to shred extra-large tires. Equipment price starts from 5,000,000 rub.. You can study the supplier’s offer in more detail on the website.

Factories

Mini-factories for the production of crumbs from rubber tires – best option for those wishing to organize processing of raw materials on a large scale.

Such production will have not only a personal, economic effect, but also a social one.

New jobs will be created and social tension will decrease.

Benefits of use mini-factories for the production of crumb rubber:

low energy consumption, and therefore the cost of produced crumbs;
compactness;
ease of maintenance;
excellent quality of raw material grinding, allowing production to be set up in one cycle;
environmental friendliness.

Compact rubber grinding plants "ATR-300" from ALPHA SPK capable of producing up to 350 kg of crumbs from tires. The equipment crushes rubber tires using a mechanical crusher.

The crumbs produced using this technology are of high quality, which means they are of great value to the end consumers of the product.

The mini-plant is equipped with the following equipment:

tire crusher;
double-sided bead ring puller;
knives for cutting tires into noodles;
conveyer belt;
impact crusher;
magnetic separator;
vibrating screens

Mini plant works like this:

Visual inspection of raw materials for the presence of impurities that can damage the equipment.
Grinding large pieces of raw materials using hand tools. Small tires are fed into the loading chamber entirely.
Shredding rubber using shredder equipment into smaller fractions. At this stage, the raw materials are purified from metal impurities.
Feeding raw materials into a compartment with a rotating blade element to grind raw materials to the desired size. Cleaning metal cord particles from particles is an additional option launched by the system at this stage of rubber processing.
The raw material enters the separation compartment, where the final cleaning of the crumb rubber from impurities occurs.
Passing the finished product through the cells of a vibrating sieve for sorting into fractions.

The price of such a mini-plant is RUB 9,800,000. The productivity of the mini-plant when producing crumbs of three fractions is up to 350 kg per 1 working hour. 3-4 people are enough to service the equipment. About the need to carry out special training for service personnel the equipment manufacturer does not explicitly state. All questions you may have can be asked on the website.

Pay attention to tire recycling plants from EcoStep.

The line of equipment includes models designed for both beginning entrepreneurs and more experienced tire processors.

The advantage of the equipment declared by the manufacturer is European quality and reliability.

Tire recycling plants KPSh from the company Doza-gran They process tires into 3 fractions, including rubber dust.

On the company’s website you can calculate the required equipment performance depending on your needs and ultimate goals.

Cost of equipment - from RUB 8,300,000.

Another manufacturer of equipment for tire processing is the company Europlit.

The NEO line equipment it presents allows you to independently configure the desired parameters of the final product.

Comparative characteristics and prices

Equipment brand	Characteristic		Price	Link to the manufacturer's (supplier) website
Mini plant "ATR-300"	Energy consumption, kW/h	80-120	9.8 million rubles.	alfaspk.ru
		500
	Product output, kg/hour.	350
	Generation of by-products (additional income)	Yes
		120
	LxWxH workshop, m.	20x4.5x4.2
	Number of workers, people	3-4
Plant Bio-KPSh	Volume of raw materials processed, t/year	720-3000	From 8.3 million rubles.	dozagran.com
	Product output, t/year.	650-2700
	Power consumption, kW/h	180-430
Line NEO-300	Product output, kg/hour.	300	Upon additional request	eplit.ru
	Power consumption, kW/h	55
	Number of workers, people	3
	LxWxH workshop, m.	33x6x3
	Obtaining by-products (additional income)	Yes
Line NEO-500	Product output, kg/hour.	500	According to buyer's request
	Power consumption, kW/h	90
	Number of workers, people	3
	LxWxH workshop, m.	41x6x4
	Additional products	Yes
Line NEO-1000	Product output, kg/hour.	1000	Notified upon buyer's request
	Electricity consumption, kW/h	180
	Number of workers, people	5
	LxWxH workshop, m.	43.75x8x4
	Additional products	Yes
ECO STEP 500	Energy consumption, kW/h	100		eco-step.ru
	Product output, kg/hour.	350
	Volume of raw materials processed, kg/hour.	500
	Number of workers, people	4
	Maximum diameter of recycled tires, see.	150
	LxWxH workshop, m.	30x10x5
ECO STEP 700	Power consumption, kW/h	100	Available upon buyer's request	eco-step.ru
	Product output, kg/hour.	350
	Volume of raw materials processed, kg/hour.	500
	Number of workers, people	4
	Maximum diameter of recycled tires, see.	150
	LxWxH workshop, m.	30x10x5
Line LT400	Volume of raw materials processed, kg/hour.	250	52 thousand dollars	best-china.ru
Line LT450	Volume of raw materials processed, kg/hour.	500	59 thousand dollars
Line LT560	Volume of raw materials processed, kg/hour.	1000	74 thousand dollars
Line LPS-300	Volume of raw materials processed, kg/hour.	500		uas.ru
	Crumb output, kg/hour.	300
	Maximum inner diameter of tires, cm.	150
	Power consumption, kW	From 100
	Number of workers, people	2-3
	Possibility of receiving additional income	Yes
	Room size, m 2	200
LPS-200	Room size, m 2	40	1.853 million rubles.	uas.ru
LPS-200		Up to 200	1.853 million rubles.
LPSh-400	Room size, m 2	From 120	5.781 million rubles.
LPSh-400	Volume of processed raw materials, kg/hour	Up to 400	5.781 million rubles.
LPSh-600	Room size, m 2	From 150	6.135 million rubles.
LPSh-600	Volume of processed raw materials, kg/hour	Up to 600	6.135 million rubles.
LPS-800	Room size, m 2	From 200	RUR 8,800 million
LPS-800	Volume of processed raw materials, kg/hour	800-1000	RUR 8,800 million
LPS-1500	Room size, m 2	From 250	11.105 million rubles.
LPS-1500	Volume of processed raw materials, kg/hour	Up to 1500	11.105 million rubles.
KGSh-1500	Room size, m 2	From 200	14.156 million rubles.
KGSh-1500	Volume of processed raw materials, kg/hour	Up to 1500	14.156 million rubles.
"ATR-250"	Power consumption, kW/hour	80-100	5.6 million rubles.	alfaspk.ru
	Room size, m 2	80
	Volume of processed raw materials, kg/hour	Up to 300
	Crumb volume, kg/hour	Up to 250
	Number of workers, people	3-4
UPSHK-1200	Power consumption, kW/hour	5	0.77 million rub.	stanki-ru.ru
	Installation size, LxWxH, m	1.8x1.2x2
	Volume of processed raw materials, kg/hour	35-52,5
	Number of workers, people	1
UPSHK-2000	Power consumption, kW/hour	8	0.87 million rub.
	Installation size, LxWxH, m	2.5x1.7x3.2
	Volume of processed raw materials, kg/hour	87,5
	Number of workers, people	1
UPSHK-2200	Power consumption, kW/hour	8	1.12 million rubles.
	Installation size, LxWxH, m	2.8x1.8x3.4
	Volume of processed raw materials, kg/hour	100
	Number of workers, people	1
UPSHK-2700	Power consumption, kW/hour	11	2.25 million rubles.
	Installation size, LxWxH, m	3.0x2.0x3.4
	Volume of processed raw materials, kg/hour	112,5
	Number of workers, people	1
Single shaft machine Model 800		400-600	1.285 million rubles.	darex.pro
	Receiving chamber size, cm.	147.5x80
	Total number of knives	49
	Power consumption, kW	22-37
		Up to 4
Single shaft machine Model 1000	Equipment productivity, kg/hour	600-800	1.41 million rubles.
	Receiving chamber size, cm.	147.5x100
	Total number of knives	68
	Power consumption, kW	37-45
	Finished product size, cm.	Up to 4
Single shaft machine Model 1300	Equipment productivity, kg/hour	700-900	1.845 million rubles.
	Receiving chamber size, cm.	147.5x130
	Total number of knives	91
	Power consumption, kW	45-55
	Finished product size, cm.	Up to 4
Single shaft machine Model 1800	Equipment productivity, kg/hour	1400-1800	2.75 million rubles.
	Receiving chamber size, cm.	147.5x180
	Total number of knives	130
	Power consumption, kW	75-90
	Finished product size, cm.	Up to 4
Tire crusher No. 1	Equipment productivity, kg/hour	2000	Available upon buyer's request	texservis.com
	Finished product size, cm.	Noodles -5, chips - 5x5
	Receiving chamber size, cm.	120
	Total number of knives	22
	Dimensions of the machine (LxWxH), see.	630.3x280x366.7
Tire crusher No. 2	Equipment productivity, kg/hour	Until 2000	Available upon buyer's request
	Finished product fraction, see	Noodles -4, chips - 4x4
	Receiving chamber size, cm.	75x22x6
	Power consumption, kW	58
	Dimensions of the machine (LxWxH), see.	282x230x258
Single shaft shredder 3E WT 2260	Total number of knives	34	RUB 0.998 million	pragmat.ru
	Rated power, kW	18,5
	Productivity, kg/hour	200-300
	Machine dimensions (LxWxH), m.	1.774x1.359x1575
Double-roll crusher DDR-300	Power consumption, kW	60	Available upon buyer's request	tet-ua.com
	Productivity, kg/hour	300
	Reception window size, cm.	60x70
	Maximum tire diameter, cm.	600
Double-roll crusher DDR-500	Power consumption, kW	60	Available upon buyer's request
	Productivity, kg/hour	500
	Limit of the raw material acceptance chamber, see.	75x80
	Maximum tire diameter, cm.	750
Double-roll crusher DDR-750	Power consumption, kW	90	Available upon buyer's request
	Productivity, kg/hour	750
	Window size for storing tires, see	82x100
	Maximum tire diameter, cm.	870
Double-roll crusher DDR-1000	Power consumption, kW	90	Available upon buyer's request
	Productivity, kg/hour	1000
	Receiving chamber size, cm.	85x130
	Maximum tire diameter, cm.	1200

conclusions

Tire recycling equipment is a real find for those who want to set up a business for recycling recyclable materials.

Affordable price, simple installation and maintenance, wide scope of use of the resulting products - reasons to consider this type of production as a priority for beginning entrepreneurs, and also master additional view activities of already established businessmen.

In contact with

Every year, thousands of tires are lost in landfills and landfills, despite the fact that for an enterprising person they are a free resource from which crumb rubber can be produced.

If you need it only once, you can buy it in the required quantity from the manufacturers.

But where can you get crumb rubber if you need it on an ongoing basis and in large quantities?

It is worth considering purchasing your own tire recycling equipment.

Recycling small amounts of rubber at home

If you need very little raw material, you can do without equipment at all.

All you need is scissors and a cutter.

The metal cord is first removed from the tire, then divided into strips and crushed into smaller fractions to the required size.

At this point the process is considered complete.

The material for decorating paths, flower beds or a separate playground is ready for use.

But in order to obtain a larger volume of raw materials or to have income from processing tires at home, you need the appropriate equipment.

Construction of a tire crusher

There are three main methods for producing crumbs:

Crushing tires after cooling them with liquid nitrogen to –190 degrees.
Production of crumbs using full-cycle industrial equipment with cord removal and subsequent rubber grinding.
Processing using universal crushers, which can be done at home yourself.

The first two methods require large investments. The third option is available to anyone who has the opportunity and desire to make a crusher at home.

The main component on the tire conversion line is a shredder (rubber shredder). Let us consider in more detail the purpose of the components of this machine.

Unit design

The machine consists of the following main components:

electric motor 5 kW – 2 pcs;
housing with disk shafts;
lattice;
worm gearbox – 2 pcs.;
shredder frame;
loading hopper;
guide tray;
control cabinet.

The installation parts are mounted on a powerful frame welded from channels.

Box with cutting discs

The main unit of a rubber crusher is a housing with milling rolls.

At the same time, the cutting knives are made of high-strength steel and heat-treated, which significantly reduces their wear. They practically do not require sharpening during operation.

The calculation of the box openings, shafts and cutting elements must be accurate, so it must be done by a specialist in this field (designer).

Grid for calibrating crumbs

In order to obtain a calibrated fraction of tire raw materials, shredders are equipped with a special grid, which is installed under the rolls.

Worm gearbox

The rotation of shafts with disk cutters is carried out separately, directly from worm gearboxes connected to electric motors through couplings.

The gear ratio is selected from 25 to 35 so that cutting occurs without jamming and at sufficient speed.

Unit frame

The frame is welded from profile elements, ensuring the reliability and stability of the unit during operation, as well as loading and unloading operations.

Loading hopper

The tire recycling plant is equipped with a tire loading hopper and a tray for removing finished crumb rubber.

Thanks to its design, the hopper eliminates the formation of jams from the raw material and guarantees directed movement of the mass towards the rotating rolls.

Tire cutting device

The tire cutting and cord removal installation consists of a supporting frame and a stand.

How to shred tires?

The technological chain consists of several preparatory stages before the product of the required fraction is obtained.

This procedure includes:

Inspection and removal of foreign objects from the tire cavity.
Cord cutting.
Cutting tires into strips measuring 50-80 mm.
Grinding of raw materials using a shredder.
Separation and separation of metal parts from textile parts.
Calibration of crumbs into fractions using a vibrating sieve.

Equipment performance

The operation of these two main units when processing tires is done in a semi-automatic mode.

The production of crumb rubber on this equipment per hour will be approximately 200-800 kg and up to 100 kg of metal scrap; 2-3 unqualified workers will be needed to service the machines.

Where to use the resulting raw materials?

Rubber crumbs can be:

The price of the crumbs will depend mainly on the quality of the raw materials, and secondarily on the fraction.

The most popular is crumb, the fraction of which is 2-4 mm.

It's great for creating:

The popularity of such crumbs is due to the fact that a minimal amount of glue is used to glue these granules together. And a polyurethane binder is sometimes 5-8 times more expensive than crumbs.

Video on the topic

In this video you can see how to grind rubber and make crumbs at home.

Conclusion

Making your own tire crusher is a good idea for those who want to make their own crumb rubber, but are not ready to spend tens of thousands of dollars on equipment.

You can create a chopper if you have a carpentry workshop, as well as certain skills and materials, or use the services of people who specialize in this.

The crumbs obtained at home can be used for your own needs or sold to businesses and the public.

In contact with

Classmates

rcycle.net

Making crumb rubber with your own hands at home

In recent years, the use of crumb rubber and materials made on its basis for decorating areas, organizing paths, and covering the roofs of houses has become fashionable. Crumb rubber can also be used to create waterproofing for building foundations. In order to use elements made from crumb rubber on your site, you can contact a company that professionally works with crumb rubber. However, working with this material is not so difficult. If you wish and have free time, you can make crumb rubber at home with your own hands.

What is DIY crumb rubber made from?

When solving this issue, you can go in two ways. Path number one relies on the transition of rubber to a brittle state at low temperatures. If at home it is possible to cool the source material for preparing crumbs to a temperature of -70 ... -80 degrees Celsius, then it will be possible to obtain crumbs from any type of source materials. However, solving this problem at home is not so easy.

Path number two is to competently select the source material. As we know, crumbs can be obtained from tires and tubes from car wheels. But tires are very difficult to grind under normal conditions, and it is also difficult to extract the metal cord from them later. For this reason, to obtain crumb rubber at home, it is better to use old worn out cameras. This material can be cut quite easily using improvised tools available in any home.

How to make crumb rubber at home?

At the initial stage, it is necessary to prepare a sufficient amount of raw materials, i.e. old car inner tubes and corresponding cutting tools. To make a coating with an area of one square meter and a thickness of 10 mm, about 8 kg of crumb rubber is needed. When producing crumbs from old chambers, the loss of material by weight is minimal. Thus, it is necessary to prepare the starting material at the rate of 8 kg of old cameras per 1 square meter of coating.

To grind rubber, you can use ordinary scissors or an ax. If desired, you can build special guillotine shears. As a last resort, you can organize cutting of the cameras with a fairly sharp knife.

Making crumbs should be done according to the following algorithm:

Remove all metal elements from the old camera
Cut the camera into thin strips
Grind the thin strips obtained in step 2

rezinovaja-kroshka.ru

Tire recycling at home

Every motorist knows that recycling used tires is a serious problem. However, recycling tires at home has several options. Let's look at some of them.

Creativity

There are many examples of creating original sculptures from waste tires, used to decorate the garden, or as an independent work of art. Garden variations can be embodied in the form of swans, garden vases, etc.

The “pattern” is extremely simple and understandable. And the created images are very similar to living prototypes.

There is also a more artistic approach to rubber waste. From them, like from clay, the intended sculpture is literally “molded”. You can, for example, sculpt a horse, and one so hot that it will arouse the approval of other venerable sculptors.

Pragmatic approach

Still, for most people, recycling tires at home means using waste rubber for the benefit of their home and its household. There are several nuances here.

First, you can use used tires for your home as they are.

Secondly, you can use in the household the product of their primary processing, obtained in small and large enterprises.

Thirdly, it is possible to organize within the framework of a private, home-based company a production facility engaged in the actual primary processing of tires.

Using tires as a permanent material

Tires, as you know, are one of the best building materials. Some craftsmen used tires from Belaz as a support, a foundation under a garden house. And zealous owners can use tires as elements:

fence
mini flower beds
elements of playgrounds

Use of partially recycled rubber

Tire recycling is carried out in stages:

cutting and crushing
plasticization and output to the final product

Semi-finished product used for different types production, serves as crumb rubber. You can make fuel from it, or you can make tiles, both for asphalt and for roofing. It is also used for the production of shoes, sports field coverings, etc.

In the household, you can even use crumbs in the form of a semi-finished product - they sprinkle it on the paths along the lawns. You can also use rubber roofing for your home.

Recycling of unusable tires

Tires are crushed - either in a cooled state to -70...-80 degrees, when the rubber becomes brittle, or at normal temperature - but with a more powerful tool. To obtain fuel, rubber is subjected to pyrolysis.

This is an environmentally hazardous process. Equipment, maintenance of space, organizing the collection of raw materials and searching for buyers, attracting significant funds - all this is completely associated with a small “private shop” where recycling tires would be profitable.

Conclusion

Within household For a car enthusiast, recycling tires is quite difficult. To do this you need to be a very big enthusiast. But maybe you'll be lucky enough to find unique way using unusable tires.

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technology for processing car tires, tires and other rubber, description and video of the manufacturing process

The service life of car tires is quite short, after which they must be replaced.

Disposal of used tires is a big problem for the environment around the world.

Every year the number of cars in use increases by almost 10%.

Obviously, tires need to be recycled.

In this article we will cover the following questions:

what is the technology for processing tire crumbs;
what equipment is used;
where crumb rubber is used;
Is it possible to make it yourself?

Tire recycling methods

The raw material for producing crumb rubber can be not only worn tires, but also any other used rubber products.

In practice, only two main methods are used to obtain crumb rubber from waste tires:

shock wave;
mechanical.

Let's consider both methods separately.

Shock wave

This technology for grinding car tires and other rubber waste into crumbs was invented relatively recently.

The processing process consists of cooling the products to ultra-low temperatures, followed by crushing by a shock wave.

Cryogenic chambers are used for freezing, and the shock wave is generated by a special electrical device or by detonating a small amount of explosive.

This technology for processing used car tires requires the installation of expensive equipment, which is economically beneficial only for large enterprises with large volumes of raw materials.

Mechanical

This is a classic technology for processing tires into crumb rubber, which, unlike the first, is used everywhere.

The essence of the process is a step-by-step mechanical effect on raw materials to obtain the required fraction of crumb rubber and by-products.

There are several methods for recycling tires by mechanical action:

grinding at normal temperature;
at high temperature;
with cooling of raw materials;
using an “ozone knife”;
pressing raw materials with a powerful press through special dies.

The most popular method is conventional mechanical grinding at normal temperature.

This technology is classic and is perfect for organizing small enterprises for recycling waste tires.

Classic tire shredding technology

If you have the necessary equipment, this technology allows you to obtain crumb rubber of any fraction, down to a dusty substance.

The entire tire recycling process can be divided into several stages, each of which uses a specific type of machines and mechanisms.

The main technological stages of tire crushing and the types of equipment that are used at each of them:

At the first stage of processing, tires are sorted by size, which is necessary to configure the equipment for certain tire dimensions. The crushing itself begins with cutting out the bead rings on a special cutting machine.
The second stage of tire shredding occurs using hydraulic shears, mechanical cutters or guillotines, which are used to cut into strips and medium-sized pieces.
The crushing process continues in a special shredder, where large pieces of rubber are crushed into small chips ranging in size from 2 to 10 square meters. cm, which are supplied to the next technological operation.
At this stage, the final grinding of the raw materials to the required fractions occurs. Rotary mills with tetrahedral knives or other equipment capable of withstanding enormous mechanical loads are used.
After complete shredding of waste tires, it is necessary to separate the resulting rubber crumbs from by-products: chopped metal court and textile waste. For this purpose, magnetic and air separators are used.
At the final stage, the resulting rubber crumb is passed through a special vibrating sieve, where separation into fractions occurs. The resulting material is packaged and sent for further processing.

This is the classic diagram of the technological process of crushing tires into crumbs at normal temperatures with an approximate list of machines and mechanisms.

The number of processing steps can be reduced or increased depending on what equipment will be used and what kind of crumbs need to be obtained at the output.

Transportation of raw materials from one technological operation to another can be carried out either manually or automatically.

If the movement of tires, pieces of rubber, chips and rubber crumbs is carried out using belt and auger conveyors, then the entire complex of equipment for recycling old tires, in fact, becomes a production line.

For organizing a small recycling workshop, installing an automatic line is the optimal solution.

What equipment is needed?

There are a lot of offers on the tire recycling equipment market.

Russian and foreign manufacturers offer both fully equipped lines and plants, as well as individual machines, devices and mechanisms. The price will depend on the type and performance of the unit.

Let's consider the minimum set of what is needed to process tires into crumbs.

Bead removal machine

This is the first unit in the entire technological chain of shredding tires. Its purpose is to remove the seat rings from the tire.

The operating principle of bead removal machines is based on:

cutting down;
cutting;
tearing out the seat rings.

Each method does not have any advantages over the others.

Further processing of the removed rings is carried out on squeezing machines, where the metal base is squeezed out and the remaining rubber is crushed in the general flow.

Tire shredders without beads

shredders;
tape cutters;
hydraulic shears;
roller grinding devices;
mills.

The production line may include several such devices:

Hydraulic shears and tape cutters cut tires into large pieces.
Shredders process them into smaller fragments.
Roller units and mills bring the raw material to the required fraction.

Separators for metal and textile removal

A magnetic separator removes chopped metal court residues from the rubber crumb.

The principle of operation of this device is simple: a powerful electromagnet pulls metal waste from the mass of raw materials and sends it to the receiving hopper.

Removal of textile residues occurs in a cyclone-type air separator, where a powerful air stream simply blows light textile fluff into the receiving hopper.

Read more about textile and metal cord, as well as where it can be used profitably, here.

Vibrating sieves for separating the product into fractions

Complexes for processing car tires include at least two vibrating sieves: coarse and fine.

On the first device, large, not fully processed pieces of rubber are screened out, and on the second device, the standard fraction of crumb rubber is separated.

A vibrating sieve is a device consisting of a table with holes corresponding to the separated crumb fraction, and a mechanism that ensures the table vibrates at a certain frequency.

Conveyors and other mechanisms and devices

Tire recycling lines and plants include conveyor belts to move tires, pieces of rubber and crumb rubber from one process step to another.

Some manufacturers use screw conveyors in their lines to move and package finished crumb rubber. In addition, automatic tire processing lines are equipped with bunkers, security and process control systems.

All of the above equipment is included in automatic lines for processing old tires into crumb rubber.

The number of machines and mechanisms depends on the volume of production and the final type of product that needs to be obtained as a result of processing.

What can be made from the resulting granulate?

The crumb rubber itself, obtained by processing old car tires, is an intermediate product. Raw materials, depending on their fraction, are used in the production of the following products:

flooring for indoor and outdoor use;
curbs, bumpers and speed bumps for road construction;
substrates and gaskets to protect goods during transportation;
figures for playgrounds;
building materials - waterproofing and noise-absorbing;
dielectric products for the electrical industry;
MBR - bitumen-rubber mastic.

Granules are also added to asphalt mixtures, resulting in a strong and durable road surface.

From finely dispersed crumbs it is possible to produce various rubber products using the hot pressing method, namely:

bushings;
rollers;
rubber shoes;
many other products.

In addition, it can serve as an additive in the manufacture of new tires, thereby reducing its cost.

The entrepreneur receives not only crumb rubber, but also by-products of grinding: metal sheets and textiles, which are also liquid goods. They can be sold and get additional profit.

As you can see, for the tire processing business there are wide opportunities in terms of sales of products, because the need for it is very great in many industries.

Making crumbs from tires at home

Tire granulate can be easily purchased in online stores, construction supermarkets, or ordered directly from the manufacturer.

But for those who want to open their own small home business or simply make a covering for paths in the garden with their own hands, the issue of self-production becomes relevant.

In this case, it makes no sense to purchase expensive equipment for processing tires.

There will be no problems with raw materials for making crumb rubber at home. All you have to do is walk around your neighbors, who will happily take used tires out of the garage and get rid of them.

The simplest set of equipment and tools for shredding tires and other rubber products can be made with your own hands with minimal investment.

As mentioned above, rubber can be crushed mechanically or by freezing to a low temperature.

The latter option is unacceptable for home, since it will be necessary to purchase an expensive low-temperature chamber to cool the raw materials.

For the home, the optimal solution would be mechanical cutting and grinding of rubber to crumbs. In a separate article we described how to make equipment for these purposes.

Video on the topic

One of the manufacturers made an interesting and educational video about processing tires into crumbs, we invite you to see the process with your own eyes:

Conclusion

Crumb rubber is a multifunctional material needed by humans in many areas of activity. Its huge advantage is that it can be made from old tires, thereby giving a second life to outdated products.

Recycling rubber is not difficult; equipment for this purpose is available everywhere.

In contact with

Classmates

rcycle.net

How do you think you can make money on certain types of household waste, not counting, of course, the services for its disposal? For example, on old, unnecessary car tires? It should be noted that there really are a lot of options.

Just like from plastic bottles, you can make garden decorations from tires (flower beds, animal figurines, swings, sculptures, and much more). In general, collecting (or buying) and processing car tires is, as it turns out, a very profitable business, especially if you approach it with some imagination and using various modern technologies.

Based on the fact that such a large volume of raw material remains unclaimed, we can say that competition in this type of business is relatively small, even negligible. And finally, the most important thing is that the products obtained from the processing of car tires are extremely in demand now, and will be in demand for at least another hundred years. So, if you wish, you can pass on your established business to your grandchildren.

People have long begun to think about recycling used tires from cars, which increase by a huge amount every year. But no solution has been found. Of the total number of used tires, only a fifth is recycled. There are only recycling points for these old tires. By helping to improve the environment, you can earn extra money.

Worn-out car tires are quite valuable polymer materials. A ton of worn rubber contains approximately seven hundred kilograms of rubber, which can be reused, for example, as fuel, various rubber technical products and building materials.

At the same time, if such a ton of tires is burned, then two hundred and seventy kilograms of soot and four hundred and fifty kilograms of toxic emissions will disturb the environment. Recycling tires economically on a large industrial scale is unprofitable and very difficult. But, if you believe the manufacturers of mobile recycling equipment, such production at a mini-enterprise can be a huge success and good profit.

Such a small plant consists of prefabricated equipment, which occupies an area of about eighteen square meters and is ten meters high. This equipment is capable of processing about five tons of consumables per day.

Moreover, the production area includes warehouses for worn-out materials (plastics and tires), an area for the preparation of raw materials (cutting tires into pieces), as well as a warehouse for finished materials such as liquid fuel, carbon black, and scrap metal storage.

What can you get from old rubber?

What is most surprising is that the process of recycling automobile rubber itself is final, leaving behind virtually no waste. Let's see what can be obtained by recycling old tires:

Crumb rubber, which is used in the production of various gaskets and seals (including for plumbing purposes), shoe soles, rubber mats, rubber roofing (you can find out about liquid rubber for roofing here), Novotek seamless coatings, as an additive to asphalt , filling for punching bags, and for many other purposes.

n24.by

Equipment for processing tires and rubber at the plant: installation

The need to recycle used tires arose due to the rapid increase in the number of cars in most developed countries. The number of used tires is growing every year, so the problem of their disposal has become acute for state authorities. Tire recycling equipment is not cheap.

Special plants and enterprises for their processing are being built. They solve environmental and economic problem related to the disposal of used car tires. This business, dealing with used tires, is already developing by leaps and bounds. First of all, this contributes to a large number of inexpensive raw materials.

A tire recycling plant is built near the place where the product obtained after processing is sold, namely: crumb rubber, saw, steel cord, heating oil. A tire recycling plant is a cost-effective solution to the problem. It is located at a place where raw materials accumulate or near a factory that produces waste materials. The main thing is that the tire recycling plant is located at a distance of more than 300 meters from residential buildings.

Special equipment for the production of crumb rubber is installed at the plant. To open a business in this area, investments are required, however, due to the small number of competitors and the demand for this raw material, all investments pay off in the near future.

Waste tire processing equipment

Equipment for rubber processing is a reactor installation. It is installed in a specially designated open area.

The average tire shredding equipment has the following productivity:

2 tons of liquid fuel
1.5 tons of solid residue containing carbon
0.5 tons of steel cord
1 ton of gas

The volume of tires that must be shredded is 5 tons per day. Processed products serve as raw materials for many types of production. The reactor itself operates using gas, which it itself is capable of producing when processing waste tires. The installation is low maintenance and requires only two people per shift. To work on such an installation, employees of the enterprise must pass special training and study the features of the process.

Tire processing products include:

Rubber granulate and crumbs. Rubber crumbs come in different fractions: 0.1 - 0.45 mm.
Regenerate. Finely ground crumbs with improved quality. Dimensions: 0.6 - 10 mm.
Chips. Size 2 - 5 cm. Presented as pieces of tires along with metal cord.
Rubber plastic. Used in the manufacture of soft roofs.
Rubber floor Represented by polymer floor covering.
Bireplast. It is presented as a multi-layer waterproofing roll roofing material.
Reizol. It is represented by rubber plastic with an applied adhesive waterproof layer of rubber.
Fiber-reinforced concrete. A mixture of crumb rubber and two types of cord: textile and metal.

Rubber processing technologies

Rubber processing can be carried out in several ways. The choice of method ultimately determines the appearance and demand for the resulting product. Within the scope of this paragraph, such a method as disposal in landfills will not be considered. Despite the fact that this option is the simplest, at the same time, the crumb production plant causes the least harm environment.

There are four main processing methods:

Crumb production - equipment for recycling tires into crumbs is considered the most rational, can process several tons of tires per year and brings a stable income to the owner. But the technology is not ideal; it has a significant number of disadvantages, such as the need to select raw materials with the same composition to standardize the properties of the final product.
Pyrolysis is the decomposition of tires under high temperature. This method is extremely inconvenient because during this process a huge amount of toxins are released into the atmosphere. Another obvious disadvantage of this disposal method is its economic disadvantage. Decomposition equipment is expensive and takes a long time to pay for itself.
Burning is the complete destruction of tires. The only benefit from such an action is the generation of energy, but such products do not perform very well as fuel. This is due to the fact that during combustion a large amount of soot is formed, which over time renders the equipment (furnaces) unusable. Since rubber contains sulfur, when using this disposal method, the substance enters the atmosphere and when interacting with water, sulfuric acid is formed.
Restoration is a process similar to recycling. This is the most promising and rational way. Thus, when making one new tire, approximately 30 liters of crude oil are consumed, and only 5 are needed to refurbish it.

In recent years, business in this area has been gaining momentum; it is especially popular in European countries, since it is there that society takes environmental protection most seriously.

Another clear advantage that this business is famous for is the purchase of inexpensive equipment for processing tires into crumbs. You can set up a recycling plant with your own hands in any room, even in your own garage.

Line for processing tires into crumbs

The tire recycling line produces crumb rubber for business; it is considered environmentally friendly due to the absence of emissions into the atmosphere or into the ground.

The line and all equipment must be made in accordance with the requirements of the Russian Federation, which were put forward for equipment of this type:

According to the level of noise emitted.
By the amount of harmful emissions.
According to life safety.
According to the safety of waste processing.

The entire line for processing tires into crumbs consists of sectors:

Preparatory, which includes 2 machines: 1 – for removing bead wire, 2 – scissors for cutting tires.
A crusher consisting of 1 – crushing chamber and 2 – return sifter.
Crushing rollers, which are two drums that rotate at different speeds towards each other.
A granulator that delivers the mixture from the hopper to the crushing zone.
Vibrating table of magnetic selector for uniform distribution mixtures under the influence of vibration.
Knife granulator, consisting of a body with knives, a shaft with knives, a mesh whose hole diameter is 4 mm.
Vibrating table in the form of an inclined rectangular structure.
Magnet for collecting small wire residues.
Textile separators for a high level of crumb cleaning from existing textiles.
Automatic packers filling bags with crumbs.

This is what the process of processing tires into crumbs looks like, serving as recyclable materials for further production. Organizing this recycling business is not difficult. This is due to the relative cheapness of the equipment and fast payback periods. The main mission of this business is to protect the environment.

vtorothodi.ru

Recycling old tires at home

Processing tires into crumbs at home and at the factory

Without constant recycling, an environmental crisis could occur very soon.

Recycling

Also, textiles and rubber are obtained from tires.

Recycling at home

According to one scenario, the rubber should be cooled to a temperature of approximately -75 °C. Agree, not everyone has such an opportunity. So let's use the traditional scenario:

Take your cameras
Remove all unnecessary elements from them
Cut them into thin strips
Chop these strips

The rubber grinder in this case is an ax or scissors.

Mechanical processing method

The most professional method.

A production line is a sequence of installed working devices, through which the material becomes a finished product.

Processing into crumb rubber goes through three stages:

Today there are a sufficient number of manufacturers of this equipment on the Russian market.

Chemical processing method

There is also an effective, but expensive physical and chemical method for processing tires into crumb rubber - cryogenic grinding of car tires. Crushing of rubber is carried out in a special cooling chamber at extremely low temperatures (down to - 120 ° C). A refrigerant (liquid nitrogen) is supplied to this chamber, cooling it to ultra-low temperatures.

Under strong cooling conditions, rubber acquires a glassy state. Crushing of rubber occurs when struck with a special hammer.

After grinding, textiles and metal are removed from the rubber crumb.

The processing of car tires to produce crumb rubber is carried out in several stages: Note that the processing of rubber can be either crumb or diesel fuel. But the latter option requires serious material investments. This process consists of sorting and subsequent grinding of tires, and then the selected and prepared material is loaded into a special reactor, which extracts fuel from recycled materials at high temperatures.

Disposal and recycling of car tires

Let's see what can be obtained by recycling old tires: crumb rubber, which is used in the production of various gaskets and seals (including for plumbing purposes), shoe soles, rubber mats, rubber roofing (you can find out about liquid rubber for roofing here) , Novotek seamless coatings, as an asphalt additive, as a filler for punching bags, and for many other purposes.

Business idea: tire recycling

Its waste is released into the environment.

This cannot be called a good solution, but the emissions resemble exhaust gases from a truck.

As for the remaining mass, it passes through a magnetic separator; in simple terms, it is sifted through a sieve. Metal elements are screened out and sent to the warehouse.

Fuel oil is transported by conveyor to tanks, in which the fuel will be stored until dispatch.

Tire recycling: step-by-step opening of production

Therefore, the choice is obvious: it is better to recycle used tires and get paid for it than to simply burn them, causing harm to the environment.

Based on the chosen method of tire processing, you can get different products: Let’s consider the tire processing process using the example of the production of crumb rubber, which has a wide range of applications. So, the process consists of the following stages: Subsequently, the resulting crumbs can be converted into fuel / gas / fuel oil.

Of the total amount of used tires, only 20% is recycled, despite the fact that a ton of tires contains approximately 70% of rubber suitable for recycling into fuel, products or building materials. When this amount of tires is burned, 460 kg of harmful gases and 280 kg of soot are released into the atmosphere! Equipment for tire processing pays for itself in 6 to 12 months; there are never any problems with raw materials and sales of finished products.

Types of tire processing

There are two recycling technologies, during which car tires are made:

powder, granules, crumb rubber, chips;
liquid fuel.

To produce the first four types of raw materials, the same type of machines and equipment are used. The process involves grinding and separating raw materials. The entire cycle takes place without the use of chemical reagents and the release of harmful products into the atmosphere.

When processing into liquid fuel, pyrolysis is used - thermal decomposition of rubber with the release of gas. Some of the gas is released into nature, so such equipment must be equipped with cleaning stations.

Crumb production line

The tire recycling line operates in semi-automatic mode. This prefabricated equipment occupies approximately 200 square meters. meters. The productivity of a small workshop per hour is 200 - 1000 kg of finished crumbs, up to 200 kg of metal per shift, up to 1000 kg of textile wool per shift. To service the machines, 3–4 unskilled workers are needed. The line recycles worn tires, highlighting metal and textile inclusions.

Not all tire recycling equipment contains stud and cotton textile separators. This should be taken into account when selecting machines.

In addition to the area for equipment, it is necessary to prepare a warehouse for raw materials and finished products. The basis of the line are roller-type shredders. Most mini-plants are designed to process tires up to 120 cm in diameter; modernization to 170 cm is possible. Not only tires can be processed, but also any rubber waste (gas masks, conveyor belts). The output is:

crumb rubber;
crushed steel;
textile wool.

Rubber yield ranges from 60 to 80% of the total tire weight. The properties of crumb rubber may vary depending on the quality of the scrap.

Averages:

pure rubber content 99.9%;
metal content up to 0.1%;
textile content up to 0.2%;
division into factions;
black color;
does not oxidize under the influence of temperature.

The machines produce crumb rubber with particle sizes from 0.8 to 3 mm. The amount of crumbs of various fractions depends on the degree of wear and hardness of the original product. Using a vibrating separator, you can clearly separate the crumbs into fractions.

Diameters can be adjusted by adjusting crushers and replacing screens. The smaller the particles, the longer it takes to produce them. To produce rubber dust, an additional wiper is installed, which produces particles less than 0.1 mm.

Processing technology

A seat ring is cut out of the tire, the metal is squeezed out, and rubber remains.
The tire is spirally divided into strips 3–5 cm wide.
A second metal ring stands out.
The tape is cut into thin and short pieces.
The workpieces are crushed on rollers into crumbs and dust.
Rubber, metal, and cotton wool are released on the separators.
Finished products are sent to the warehouse.

Tire shredding equipment

The production process is divided into two stages, taking place in different areas:

preliminary;
abrasion.

The preliminary stage takes place on machines:

landing ring selector;
tire separator into lanes;
lane separator;
ring squeezer.

Equipment for the main stage:

chief eraser;
coarse vibrating sieve;
magnetic filter;
air separator;
belt conveyors;
thin vibrating sieve.

The grinding machine is the main equipment in the workshop for recycling car tires. A hard concrete or asphalt floor covering is required to place the machines.

Selling crumbs

The final product of tire processing is used:

during production various types fuels: pyrolysis gas, fuel oil, gasoline;
during construction highways: production of special slabs for areas of special danger, brake modules, fences for car parks, soundproofing panels, crossings over railways and trams, bitumen-based mastics, sports and play surfaces;
in the manufacture of shoe blanks, floor coverings;
in the production of rubber products, roofing coverings;
for preparations for the adsorption of oil and its derivatives from water and land.

Fuel production line

The second type of device processes tires into liquid fuel. The machine occupies about 18 square meters. meters at a height of 10 m. The tires are cleaned of metal rings and disks, crushed and transported to the reactor receiving tank.

The reactor maintains a temperature of about 460 degrees, at which the rubber decomposes into liquid fuel, gas, carbonaceous matter and metal wire. Part of the gas is used to operate the reactor itself; the excess is released into the atmosphere. Their quantity is small and therefore does not harm the environment.

Liquid fuel is poured into containers and sent to a warehouse for further implementation. The carbon-containing substance is cooled, quenched, and metal is released from it. All processed products are ready for sale.

Such equipment processes up to 5000 kg of tires per day, producing:

liquid fuel - about 2000 kg;
metal - 500 kg;
carbon-containing substance (solid residue) - about 1500 kg;
gas - 1000 kg.

The equipment is installed outdoors, on a concrete or asphalt area. The continuously operating workshop is serviced by 2 workers per shift. On average, the machine consumes 14 kW per hour. Gas obtained from tire recycling is used as fuel.

The first video talks about the process of recycling car tires, the second demonstrates the processing of tires into crumbs, the third shows a homemade pyrolysis plant for producing fuel from tires:

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