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Portable catalytic combustion bed

A catalytic combustion bed, portable technology, applied in the combustion method, combustion type, chemical elements of heterogeneous catalysts, etc., can solve the problem of low temperature, the heating time needs more than 30 minutes, the problem of explosion and explosion is easy to occur, and the floor space is large, etc. problem, to achieve the effect of low cost, light weight and small wind resistance

Inactive Publication Date: 2017-10-20
南通斐腾新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Whether it is CO or RTO, when catalytic combustion exhaust gas is required, an adsorption concentration device is required. The equipment occupies a large space (dozens of cubic spaces). In addition, the heating device of the equipment generally adopts the resistance wire and quartz heating method. However, this traditional heating method has relatively low thermal efficiency. The resistance wire and quartz mainly rely on electricity to generate heat by themselves and then transfer the heat to the barrel, thereby heating the object. The electric heater directly interacts with the VOCs gas. Contact, prone to explosion problems, and the heating rate is not high, and the heating time takes more than 30 minutes

Method used

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Effect test

Embodiment 1

[0023] The honeycomb molecular sieve adsorption material is made of silicon-aluminum material, which is connected by silicon-oxygen tetrahedron or aluminum-oxygen tetrahedron through oxygen bridge bonds to form a molecular-sized pore and cavity system. The material composition is by weight ratio: silicon dioxide: trioxide Two aluminum is 300.

[0024] The metal foam catalyst component includes 5 parts of titanium dioxide, 1 part of silicon dioxide, 5 parts of cerium oxide, 5 parts of activated alumina, 0.03 parts of precious metal platinum and palladium and 60 parts of foam metal in parts by weight.

[0025] The usage method of this embodiment includes the following steps:

[0026] A. The pre-treated gas enters the inner cavity of the shell, and the low-concentration VOCs gas is passed into the equipment. The honeycomb molecular sieve adsorption material in the equipment can be adsorbed and concentrated, so that the treated gas reaches the national standard and then discharged...

Embodiment 2

[0030] The honeycomb molecular sieve adsorption material is made of silicon-aluminum material, which is connected by silicon-oxygen tetrahedron or aluminum-oxygen tetrahedron through oxygen bridge bonds to form a molecular-sized pore and cavity system. The material composition is by weight ratio: silicon dioxide: trioxide Two aluminum is 400.

[0031] The metal foam catalyst component includes 10 parts of titanium dioxide, 5 parts of silicon dioxide, 10 parts of cerium oxide, 10 parts of activated alumina, 0.1 parts of precious metal platinum and palladium and 80 parts of foam metal in parts by weight.

[0032] The usage method of this embodiment includes the following steps:

[0033] A. The pre-treated gas enters the inner cavity of the shell, and the low-concentration VOCs gas is passed into the equipment. The honeycomb molecular sieve adsorption material in the equipment can be adsorbed and concentrated, so that the treated gas reaches the national standard and then dischar...

Embodiment 3

[0037] The honeycomb molecular sieve adsorption material is made of silicon-aluminum material, which is connected by silicon-oxygen tetrahedron or aluminum-oxygen tetrahedron through oxygen bridge bonds to form a molecular-sized pore and cavity system. The material composition is by weight ratio: silicon dioxide: trioxide Two aluminum is 300.

[0038] The metal foam catalyst component includes 6 parts of titanium dioxide, 2 parts of silicon dioxide, 6 parts of cerium oxide, 6 parts of activated alumina, 0.05 parts of precious metal platinum and palladium and 65 parts of foam metal in parts by weight.

[0039] The usage method of this embodiment includes the following steps:

[0040] A. The pre-treated gas enters the inner cavity of the shell, and the low-concentration VOCs gas is passed into the equipment. The honeycomb molecular sieve adsorption material in the equipment can be adsorbed and concentrated, so that the treated gas reaches the national standard and then discharge...

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Abstract

The invention discloses a portable catalytic combustion bed. The portable catalytic combustion bed comprises a shell; the shell is a cylinder structure, is manufactured by temperature resistant carbon steel, and is wrapped with an electromagnetic coil; a layer of insulation material covers the outer side of the electromagnetic coil; and a honeycomb-shaped molecular sieve absorbing material and a foam metal catalyst are arranged on the inner wall of the shell in sequence. A molecular sieve with a honeycomb structure is used for absorption and concentration; foam metal is used as a catalyst carrier; an electromagnetic induction heating mode is compounded to enable the foam metal to generate heat; excellent heat transfer of the foam metal is used for rising the room temperature to 200 DEG C within second minutes; and the desorption regeneration and catalytic oxidation of VOCs as carbon dioxide and water are realized through internal circulation.

Description

technical field [0001] The invention relates to the technical field of automobile tail gas treatment, in particular to a portable catalytic combustion bed. Background technique [0002] At present, volatile organic gases are the focus of the country's air governance, and the painting process of automobile 4s shops is an important source of VOCs pollution. [0003] The VOCs produced by automobile painting mainly come from ovens and spray booths. In ovens, VOCs are treated using catalytic CO combustion and regenerative thermal oxidizer (RTO) technology. For the spray booth, because the concentration of VOCs is low, it needs to be concentrated first, and then the exhaust gas is treated with CO and RTO. [0004] Whether it is CO or RTO, when catalytic combustion exhaust gas is required, an adsorption concentration device is required. The equipment occupies a large space (dozens of cubic spaces). In addition, the heating device of the equipment generally adopts the resistance w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23G7/07B01J23/63B01J35/10B01J20/16B01J20/28B01J20/30B01J20/34B01D53/02
CPCB01D53/02B01J20/16F23G7/07B01J20/28045B01J20/3408B01J23/002B01J23/63F23G2209/14F23G2204/204B01D2257/708B01J2523/00B01J35/60B01J2523/31B01J2523/3712B01J2523/41B01J2523/47B01J2523/824B01J2523/828
Inventor 吴子豹王斐周培张跃
Owner 南通斐腾新材料科技有限公司
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