How to deal with scrapped car tires?
The tire industry is an important part of the rubber industry, and it is also an integral part of the resource recycling and environmental protection industry. Retreading used tires can not only prolong the service life of tires, save energy, save raw materials, reduce transportation costs, but also reduce environmental pollution. Thus, tire retreading - an old and emerging industry has a promising future. The world average level, that is, the ratio of new tires to retreaded tires is 1:1, while my country is only 26:1, especially the retreading of car tires is almost zero.
Another, thermal decomposition
Waste tires are separated and extracted at high temperature to extract gas, oil, carbon black, steel, etc. It is reported that this method can recover 55 kg of fuel oil and 35 kg of carbon black from 1 ton of waste tires. However, due to the large investment, the recovery cost is relatively high. , and the quality of the recycled material is poor and unstable. Therefore, this recycling method is currently difficult to promote and needs to be further improved.
The third, the production of recycled rubber
Waste tires can be pulverized into rubber powder, which is widely used in highways, airstrips, flame retardant materials, rubber and plastic soles, waterproof materials, sports runways and other fields. Rubber powder can also be desulfurized and used to make rubber products such as hoses and tapes.
Fourth, the application of waste tire particles
8 ~ 20 mesh: Mainly used in runways, road cushions, cushions, lawns, paving elastic layers, sports ground paving, etc.
30 ~ 40 mesh: mainly used in the production of reclaimed rubber, modified rubber powder, paving, production of rubber sheets, etc.
40 ~ 60 mesh: called fine rubber powder, used in rubber rubber product filling, plastic modification, etc.
60 ~ 80 mesh: called fine rubber powder, mainly used in automobile tires, rubber products, building materials, etc.
But at present, most of the projects we encounter in the market are the production of recycled rubber granules. This process is also in line with the recycling of waste disposal that we advocate. The processing technology is not very complicated, and the production cost is low. Next time, let's talk about the process route of crushing waste tires and processing them into rubber particles.
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