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Multistage composite exhaust-gas processing system

A waste gas treatment and waste gas technology applied in the field of environmental engineering to achieve the effects of low maintenance cost, high degree of modularization, and high treatment efficiency

Pending Publication Date: 2019-02-01
成都美人鱼环保工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0026] The main purpose of the present invention is to provide a multi-stage composite waste gas treatment system to solve the problem of low-concentration waste gas treatment, improve waste gas treatment efficiency, and reduce equipment use and maintenance costs

Method used

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  • Multistage composite exhaust-gas processing system
  • Multistage composite exhaust-gas processing system
  • Multistage composite exhaust-gas processing system

Examples

Experimental program
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Effect test

Embodiment

[0052] The structure of the multi-stage composite waste gas treatment system in this example is as follows: figure 1 As shown, it includes a gas filter device 100 , a microwave photocatalytic device 200 , a gas phase oxidation device 300 and a synchronous adsorption device 400 .

[0053] Exhaust gas enters the gas filter device 100, and after 3 and 3 filters, 70% of solid particles and 98% of paint mist can be removed.

[0054] The filtered exhaust gas enters the microwave photocatalytic device 200 through the connected pipeline, and uses microwave energy to generate ultraviolet light combined with photocatalyst to treat harmful substances in the exhaust gas and remove most of them, such as benzene, toluene and VOC.

[0055] The exhaust gas from the microwave photocatalytic device 200 is sent to the gas phase oxidation device 300 for further treatment, and the harmful substances remaining in the exhaust gas are further oxidized under gas phase conditions.

[0056] The gas pha...

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Abstract

The invention belongs to the technical field of gas pollutant processing, and discloses a multistage composite exhaust-gas processing system. The multistage composite exhaust-gas processing system comprises a gas filtering device, a microwave photocatalysis device, a gas phase oxidation device, and a simultaneous adsorption device; the microwave photocatalysis device comprises a reaction chamber,a control unit, a microwave generation unit, an ozone monitoring unit, a VOC monitoring unit, and an ultraviolet light spectrum monitoring unit; an electrodeless lamp tube is arranged in the reactionchamber; the reaction chamber is connected with a waste water collecting discharging unit through a pipeline; the ozone monitoring unit, the VOC monitoring unit, and the ultraviolet light spectrum monitoring unit are connected with the control unit; the microwave generation unit comprises at least two microwave generators which are used for generating strong electromagnetic wave, and stimulating the electrodeless lamp tube to generate short wave ultraviolet light; the microwave generators are connected with the control unit. The multistage composite exhaust-gas processing system is high in exhaust gas processing efficiency, no second pollution is generated in processing process, safety hidden troubles such as high temperature and blasting are avoided, and the multistage composite exhaust-gas processing system is especially suitable to be used for processing of exhaust gas from auto repair factory baking varnish houses.

Description

technical field [0001] The invention relates to the technical field of environmental engineering, in particular to gas pollutant treatment technology, in particular to a multi-stage composite waste gas treatment system. Background technique [0002] In the current environmental protection projects, the technologies involving industrial waste gas treatment mainly include the following types: [0003] RTO (Regenerative Thermal Oxidizer, RTO for short), Regenerative Thermal Oxidizer. It is an efficient organic waste gas treatment equipment. The principle is to oxidize combustible waste gas into corresponding oxides and water at high temperature, thereby purifying the waste gas and recovering the heat released when the waste gas decomposes. The heat recovery efficiency can reach more than 95%. The main structure of RTO is composed of combustion chamber, ceramic packing bed and switching valve. According to the actual needs of customers, choose different heat recovery methods ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/75B01D53/44B01D46/00B01D46/30B01D53/04
CPCB01D46/30B01D53/04B01D53/44B01D53/75B01D2253/102B01D2255/802B01D2257/708B01D2259/804B01D2259/806B01D46/62
Inventor 代秀琼张雷代雷霆
Owner 成都美人鱼环保工程有限公司
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