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Dust removing and catalyzing integrated device

A technology of catalyst and gas supply device, which is applied in combination devices, chemical instruments and methods, and dispersed particle separation, etc., can solve problems such as reducing the toxicity of high-temperature dust-laden gas, and achieve the effect of increasing gas processing capacity and reducing equipment manufacturing costs.

Active Publication Date: 2015-01-14
DALIAN UNIV OF TECH
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, none of them can reduce the toxicity of high-temperature dust-laden gas very well.

Method used

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  • Dust removing and catalyzing integrated device
  • Dust removing and catalyzing integrated device

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Embodiment Construction

[0024] As shown in the figure, the integrated dust removal and catalysis device of the present invention is mainly composed of air outlet 1, ceramic membrane tube orifice plate 2, air supply device 3, ignition device 4, air inlet 5, catalytic ceramic body 6, ceramic membrane tube 7. Ceramic membrane tube cavity 8, ceramic membrane tube fixing plate 9, back blowing gas nozzle 10, back blowing air distribution pipe 11, back blowing air control valve 12, ash hopper 13, and ash unloading valve 14.

[0025] The high-temperature dust-containing gas enters in a swirling manner from the air inlet 5 located at the lower part of the reaction device. In the air inlet pipe, it is mixed with oxygen, air and other oxygen-containing gases provided by the gas supply device 3, and then is provided in the ignition device 4. When the high pressure coil is ignited, the oxidation-reduction reaction occurs, and then the mixed gas relies on centripetal force to throw the dust with a density far greater ...

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Abstract

The invention discloses a dust removing and catalyzing integrated device. The device is mainly composed of a gas outlet, a ceramic membrane pipe pore plate, a gas supplying device, an ignition device, gas inlets, catalytic ceramic bodies, ceramic membrane pipes, ceramic membrane pipe cavities, back-blowing gas nozzles, a back-blowing gas air distribution pipe, a back-blowing gas control valve, an ash bucket, an ash discarding valve and a ceramic membrane pipe fixing plate. High-temperature dust-containing gas enters the system in a rotational flow manner and is mixed with oxygen, air and water vapor provided by the gas supplying device or a mixture of the gas; and then the mixed gas is reacted by the ignition device. The reacted gas passes through the ceramic membrane pipe to enter the ceramic membrane pipe cavities and is subjected to a catalytic reaction with a catalyst when passing through the catalytic ceramic bodies; and finally, the gas is collected and discharged by the gas outlet. The honeycomb ceramic or foam ceramic bodies loaded with the catalyst are located at the upper parts of the ceramic membrane pipe cavities. The device integrates dust removal and catalysis so that the high-temperature dust-containing gas can be effectively treated and the environment-friendly and economical effects are realized.

Description

Technical field [0001] The invention belongs to the technical field of environmental protection equipment, and relates to an integrated device for dust removal and catalysis. Background technique [0002] With the development of industry, the impact of high-temperature dusty gas on the environment has become increasingly serious. Traditional dust removal technologies, such as mechanical dust removal technology, electric dust removal technology, wet dust removal technology and filter dust removal technology, cannot meet high-standard emission requirements for the treatment of high-temperature dust-containing gas. [0003] In recent years, dust removal methods for high-temperature dusty gases have been increasing. Patent 201120341801.6 discloses a dust removal system for processing high-temperature dust-containing flue gas. The system mainly includes a stainless steel filter cartridge dust collector. The system has the advantages of less equipment, low operating costs, convenient op...

Claims

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Application Information

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IPC IPC(8): B01D50/00B01D53/75B01D53/86
Inventor 李爱民高宁博
Owner DALIAN UNIV OF TECH
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