Environmental protection type waste tyre electrical cracking technique and equipment

Abstract

The invention relates to a waste tyre cracking process and device thereof. The process includes steps of cleaning tyre, cracking tyre by electrical energy heating, and reclaiming combustible gas, mixed oil, steel wire and crude carbon black. The device used for cracking process includes cracking furnace, condenser and control cabinet. The method reduces correlative devices such as burning equipment, burning chamber and smoke discharging pipe by using electrical energy as heating source; depresses energy loss to lowest by putting electrothermal heater in the cracking furnace; and is environment friendly due to not having smoke, noise, leakage, sewage, waste gas and castoff in cracking process.

Description

technical field [0001] The invention relates to a pyrolysis recovery process and equipment for rubber and plastic products, in particular to a waste tire pyrolysis process and equipment. Background technique [0002] We are in an era of more and more cars, which undoubtedly brings us opportunities and challenges. The coming of the car era means that there are more and more waste tires, and black pollution has caused harm to the environment and brought pressure to human beings. To alleviate this problem, it is ideal to use pyrolysis at present. The traditional method is to put the waste tire block into the pyrolysis furnace for dry distillation and cracking, and recover fuel oil, combustible gas and carbon black from it. The ring-shaped steel wire in the waste tire is pulled out, and then the waste tire is cut into pieces and put into the cracking furnace for thermal cracking. There are many processing links, the production process is long, and it is easy to cause secondary p...

AI Technical Summary

Problems solved by technology

To alleviate this problem, it is ideal to use pyrolysis at present. The traditional method is to put the waste tire block into the pyrolysis furnace for dry distillation and cracking, and recover fuel oil, combustible gas and carbon black from it. The ring-shaped steel wire in the waste tire is pulled out, and then the waste tire is cut into pieces and put into the cracking furnace for thermal cracking. There are many processing links, the production process is long, and it is easy to cause secondary pollution.

The patent application number is 200610028197.5, the publication date is December 06, 2006, and the Chinese invention patent application with the publication number CN1872953 discloses a "integral waste tire pyrolysis process", which can put the entire waste tire into the pyrolysis kettle for one-time rapid pyrolysis For combustible gas, oil, coarse carbon black and scrap steel wire, the process links are reduced, but the cracking kettle needs 600-800°C hot air flow to heat up, and the hot air flow is produced by combusting combustible gas and oil in the combustion chamber, which itself requires consumption A large amount of fuel energy, and because the combustion chamber is independent from the cracking kettle, the heat generated by combustion is lost in the transfer process, which is not conducive to saving energy and improving efficiency

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