How to deal with the old tires replaced by cars?

Treatment of replacing old tires in automobiles

1, overall regeneration?

Tire retreading refers to the process of partially repairing, processing and recoating old tires, and then vulcanizing them to restore their use value. In Germany, the retreaded tires of cars are 12%, the retreaded tires of trucks are 48%, and the total output of retreaded tires is 10000 tons/year. The quality of domestic tires in China is generally low, and most of the used tires have no renovation value. ? Waste tires can be used as ship buffers in docks, highway fences or soil and water conservation fences, and noise reduction partitions in buildings. ?

2. manufacturing reclaimed rubber?

Reclaimed rubber refers to rubber whose elastic state becomes plastic and sticky, and can be re-vulcanized after physical and chemical processes such as crushing, heating and mechanical treatment. ?

3. Produce rubber powder?

Application of rubber powder: first, it is used in rubber industry, directly molded or used with new rubber to make products; The other is used in modified asphalt pavement, waterproof coiled material produced by modified asphalt, and used as coating and protective layer in construction industry. ?

The grinding process for producing rubber powder includes ozone grinding, high-pressure blast grinding and low-temperature fine grinding. ?

4. Pyrolysis and incineration?

Pyrolysis is the use of external heating to open the chemical chain and decompose organic matter into valuable chemical products such as gas, aromatic oil and carbon black. ?

Tire has a high calorific value (2937MJ/kg). Waste tires can be used as fuel for cement kilns, and can also be used for combustion to generate electricity.