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Integrated multi-medium-catalysis waste gas treatment device and application method thereof

A waste gas treatment device and multi-media technology, applied in gas treatment, chemical instruments and methods, separation methods, etc., can solve the problems of high cost, low efficiency of absorption method waste gas technology, unstable operation, etc., and achieve good results and alleviate VOCs. Pollution problem, the effect of solving the inefficiency

Pending Publication Date: 2020-02-28
南京浩普环境科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a device and its application that can process organic waste gas quickly, efficiently and at low cost in view of the problems of low efficiency, high cost and unstable operation of the current absorption waste gas treatment technology. method, good effect, compact structure and easy operation

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  • Integrated multi-medium-catalysis waste gas treatment device and application method thereof

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Embodiment 1

[0033] An integrated multi-media catalytic waste gas treatment device, consisting of an oxidation reaction tank 1, a photocatalyst recovery system 2, a circulating spray system 3, an absorption reactor 4, a dosing system 7, an ozone generation system 8, a UV catalytic system 9, an organic Exhaust gas inlet 10, organic waste gas outlet 11; wherein, the absorption reactor 4 includes a packing distribution layer 5 and an ozone catalytic oxidation bed 6, wherein the photocatalyst recovery system 2 includes a magnetic recovery section 2-1 and an inclined pipe section 2-2 .

[0034] The UV catalytic system 9 is arranged in the middle of the oxidation reaction tank 1 in a honeycomb socket type. The ozone generated by the ozone generation system 8 enters the oxidation reaction tank 1 through the pipeline, and enters the oxidation reaction tank 1 by means of submerged aeration. On the one hand, it plays an oxidation role. The bubbles generated on the one hand make the photocatalyst in ...

Embodiment 2

[0042] An integrated multi-media catalytic waste gas treatment device, consisting of an oxidation reaction tank 1, a photocatalyst recovery system 2, a circulating spray system 3, an absorption reactor 4, a dosing system 7, an ozone generation system 8, a UV catalytic system 9, an organic Exhaust gas inlet 10, organic waste gas outlet 11; wherein, the absorption reactor 4 includes a packing distribution layer 5 and an ozone catalytic oxidation bed 6, wherein the photocatalyst recovery system 2 includes a magnetic recovery section 2-1 and an inclined pipe section 2-2 .

[0043]The UV catalytic system 9 is arranged in the middle of the oxidation reaction tank 1 in a honeycomb socket type. The ozone generated by the ozone generation system 8 enters the oxidation reaction tank 1 through the pipeline, and enters the oxidation reaction tank 1 by means of submerged aeration. On the one hand, it plays an oxidation role. The bubbles generated on the one hand make the photocatalyst in t...

Embodiment 3

[0051] An integrated multi-media catalytic waste gas treatment device, consisting of an oxidation reaction tank 1, a photocatalyst recovery system 2, a circulating spray system 3, an absorption reactor 4, a dosing system 7, an ozone generation system 8, a UV catalytic system 9, an organic Exhaust gas inlet 10, organic waste gas outlet 11; wherein, the absorption reactor 4 includes a packing distribution layer 5 and an ozone catalytic oxidation bed 6, wherein the photocatalyst recovery system 2 includes a magnetic recovery section 2-1 and an inclined pipe section 2-2 .

[0052] The UV catalytic system 9 is arranged in the middle of the oxidation reaction tank 1 in a honeycomb socket type. The ozone generated by the ozone generation system 8 enters the oxidation reaction tank 1 through the pipeline, and enters the oxidation reaction tank 1 by means of submerged aeration. On the one hand, it plays an oxidation role. The bubbles generated on the one hand make the photocatalyst in ...

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Abstract

The invention relates to an integrated multi-medium-catalysis waste gas treatment device, comprising an oxidation reaction tank, a photocatalyst recovery system, a circulating spraying system, an absorption reactor, a dosing system, an ozone generation system and a UV catalytic system, wherein the absorption reactor comprises a filler distribution layer and a catalytic ozonation bed layer. The invention also discloses an application method of the device. The application method comprises the following steps: adding hydrogen peroxide or sodium hypochlorite into the oxidation reaction tank via the dosing system; allowing waste gas to enter the absorption reactor through an inlet and to be mixed with ozone generated by the ozone generation system; atomizing oxidation absorption liquid via thecirculating spraying system, and allowing the oxidation absorption liquid to pass through the filler distribution layer and the catalytic ozonation bed layer for purification and then to be dischargedfrom an outlet; and turning on the UV catalytic system, enabling the treated oxidation liquid to overflow to the photocatalyst recovery system, pumping a recovered photocatalyst to the oxidation reaction tank, and spraying a supernatant into the absorption reactor through the circulating spraying system. The device disclosed by the invention is simple in structure and easy to operate, and can improve the problems of low treatment efficiency and serious secondary pollution at present.

Description

technical field [0001] The invention relates to an exhaust gas treatment device, in particular to an integrated multi-media catalytic exhaust gas treatment device. Background technique [0002] The increase in air pollutant emissions is the main reason for the decline in air quality. Volatile organic compounds (VOCs) play a very important role in the photochemical process of the atmosphere, affecting the oxidation of the atmosphere, the formation of secondary aerosols, and atmospheric radiation. , has a significant impact on the global climate environment. [0003] Volatile organic compounds are a general term for a class of organic compounds. They have a high evaporation rate at room temperature and are easily volatile, which is the main cause of air pollution. Typical VOCs include benzenes, esters, alcohols, ketones and aldehydes, etc. VOCs are also toxic, teratogenic and carcinogenic, and seriously endanger human health. [0004] Absorption method is one of the common ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/86B01D53/44
CPCB01D53/8687B01D2257/708B01D2259/804B01D2255/20707B01D2255/802B01D2251/104B01D2251/106B01D2251/108
Inventor 陈宋辉
Owner 南京浩普环境科技有限公司
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