DOING brand continuous waste tyre pyrolysis plant/ continuous pyrolysis reactor

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Technology Feature of continuous waste tyre pyrolysis plant

The technology we are using for waste recycling is "pyrolysis". Pyrolysis is a green technology for waste recycling. It recycles waste tire, waste plastic and waste rubber into fuel oil. It's a renewable energy and helpfuel to our environment. It solves environmental pollution which is becoming a serious problem in everywhere. I believe it's a meaningful industry.

Oil Yield of continuous waste tyre pyrolysis plant  

From 1000kg tires, you can recover 450kg furnace oil, 300kg carbon black and 150kg steel wire, if it's whole tires. This is just a normal rate. If you remove steel wire before doing pyrolysis, or cut tires into pieces, the oil yield is higher accordingly.

As we see in our usual life, plastic products are usually mixed together by different kinds of materials. So unlike waste tires or rubber, it's a little hard to give a certain number of oil yield from waste plastics. From PE you can recover 95% oil, from PP and PS you can recover 90% oil, and it's 40% for ABS. But PVC and PET are not working with pyrolysis machine. So the oil yield of waste plastics has a wide range, from 20% to 90%.

The oil yield of waste rubber is 30% - 70%. From rubber cable the oil yield is 35%, it's 30% for sole, from rubber tires the oil yield is 40% - 50%. Well some good raw material can product 70% oil, like the oil yield of submarine cable can reach 75%.

Advantages of  continuous waste tyre pyrolysis plant 

a) Safety

We treat safety as the first important thing in production.

1) Two devices to avoid backfire in production: oil-water separator and anti-back fire device.

2) Vacuum device makes reactor working under ordinary pressure or negative pressure.

3) Temperature monitoring device to avoid excessive working temperature.

4) Pressure gage to monitor the pressure. If it goes above a certain level, the bell will alarm and the safety valve will release the pressure automatically.

5) Carbon black is discharged in a closed situation to avoid catching fire.

b) Environmental protection

1) The flue gas (caused by burning fuel to heat the reactor) will be purified and cooled by dedusting system, then can be released into air through chimney.

2) The procedure to remove carbon black is working under closed situation to avoid pollution.

c) High oil yield

1) We have 3 steps for cooling system:  two large horizontal condensers and four vertical condensers. The oil gas pass through 3 steps cooling system in sequence. The total cooling area is 100 square meter.

2) When the oil gas pass through the condensers, it’s divided into several portions by small pipes inside condenser and be cooled separately.

3) In this way we maximize the cooling effect and improve the oil yield. 

d) High oil quality

The oil gas is purified by molecular sieve inside catalyst chamber so that the quality of oil is higher.

e) Energy saving

1) The flame path is designed as spiral so that the quantity of heat can be fully used.

2) The residual gas from pyrolysis is recycled to furnace burning to heating the reactor.

3) The insulation cover is formed by 5 levels: steel plate, rock wool and refractory cement wires  and hooks. Excellent thermal insulation effect helps saving fuel.

f) High degree of automation

1) In manufacturing we use auto cutting machine, auto welding machine, auto rolling machine so that both quality and appearance of our products can be guaranteed.

2) In production, we use auto-feeder to feed raw materials into auto-feeder. By auto-feeder it needs few workers and less time to feed. And because of 60 ton hydraulic pressure from auto-feeder, it can feed more tires than labor.

g) Long service life

1) The material of reactor is Q245R boiler plate with 16/18mm thickness which is produced by Chinese well-known enterprise. The head of reactor and accessories are using one-piece molding shell cover rather than welded plate.

2) All cutting, rolling and welding works are finished by automatic machines.

3) We know quite well about the material quality and manufacturing process, that’s why we are confident in the service life of our products.

4) We also supply installation service, training service and one year warranty.

After-sale services of  waste tyre pyrolysis plant 

1) We will send engineer to your site to install machine, train your workers and do commissioning.

2) We offer one year warranty for our products. 

Deliver machines to customers factory  

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