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Self-dust-removal type pyrolyzing and cracking system for waste tires

A waste tire, self-dusting technology, applied in the direction of indirect heating dry distillation, special form dry distillation, educts, etc., can solve the problems of high viscosity, high oxygen content, difficult industrial application, etc., to save construction cost and floor space, Uniform temperature distribution to avoid hard-to-use effects

Active Publication Date: 2016-09-07
SHENWU TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the components of pyrolysis tire oil obtained by pyrolysis technology are extremely complex, and the disadvantages such as low pH value, high oxygen content, poor thermal stability, and high viscosity make it difficult to use and store directly, and it is difficult for industrial application

Method used

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  • Self-dust-removal type pyrolyzing and cracking system for waste tires
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  • Self-dust-removal type pyrolyzing and cracking system for waste tires

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Effect test

Embodiment 1

[0066] (1) Waste tires crushed to a particle size of ≤20mm enter the regenerative moving bed reactor 3 through the feeder 2 in the hopper 1, and the moving bed reactor 3 is divided into a pyrolysis chamber and a cracking chamber by a heat-insulating brick wall.

[0067] (2) One-way regenerative radiant tubes are evenly arranged in the pyrolysis chamber. The temperature of the tube wall is controlled in the range of 500-700°C by a gas regulating valve. The waste tires stay in the reactor from top to bottom for 1-50 minutes, and Heat to 500-600°C to complete the pyrolysis process.

[0068] (3) The oil and gas produced by pyrolysis enters the particle bed dedusting device through the opening of the heat insulation brick wall at the lower part of the reactor. After being dedusted by the particle bed dedusting device, the clean oil and gas enter the cracking chamber of the reactor, Unidirectional regenerative radiant tubes are evenly arranged in the center, and the temperature of t...

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Abstract

The invention belongs to the technical field of pyrolysis of waste tires and mainly relates to a self-dust-removal type pyrolyzing and cracking system for the waste tires based on regenerative radiant tube heating. The self-dust-removal type pyrolyzing and cracking system is used for preparing clean combustible gases. Aiming at the defects in the prior art, the invention designs and develops a self-dust-removal type pyrolyzing and cracking reaction system for the waste tires. The reaction system can perform two operations of pyrolyzing and cracking; oil gas generated by pyrolyzing enters into a particle bed dust removing device; after the oil gas is subjected to filtering and dust removal, clean oil gas enters a cracking chamber, so that the dust removing pressure of a subsequent process is reduced, and tar macromolecules are cracked into small molecule gaseous hydrocarbons. According to a reactor, a large amount of cracking gases can be generated, thereby solving the problem that produced pyrolytic tar is difficult to utilize, and really realizing clean and efficient utilization of the waste tires.

Description

technical field [0001] The invention belongs to the technical field of pyrolysis of waste tires, and mainly relates to a self-cleaning type waste tire pyrolysis and cracking system based on heat storage radiant tube heating, which is used for producing clean combustible gas. Background technique [0002] With the rapid development of my country's economy and the general improvement of people's living standards, automobiles have gradually entered people's daily lives, resulting in a large number of waste tires. In 2006, my country's tire output was as high as 280 million, ranking first in the world, and the number of waste tires produced in that year was as high as 140 million, about 3.6 million tons. The accumulation of a large number of waste tires not only occupies land, but also easily breeds mosquitoes and bacteria, spreads diseases, endangers the health of residents, and easily causes fires and causes environmental pollution. Recycling waste tires can not only alleviat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B53/07C10B57/18C10B47/20
CPCY02P20/129Y02P20/143C10B53/07C10B47/20C10B57/18
Inventor 耿层层陈水渺肖磊薛逊吴道洪
Owner SHENWU TECH GRP CO LTD
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