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Method and apparatus of VOC gas treatment

A technology of gas treatment and decomposition treatment, which is applied in the direction of gas treatment, combined devices, separation methods, etc., can solve the problems of VOC waste gas poisonous, unpleasant, and pollute the environment, and achieve the effect of full reaction, long time, and zero emission

Inactive Publication Date: 2020-03-10
西安天仁鹤环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Since the composition of food waste is very complex, the organic waste gas produced is also correspondingly complex, with a high concentration and is not easy to liquefy. The simple use of the above traditional methods is not ideal, and it cannot completely eliminate the poisonous, unpleasant smell and environmental pollution of VOC waste gas. question

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  • Method and apparatus of VOC gas treatment
  • Method and apparatus of VOC gas treatment

Examples

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Effect test

Embodiment 1

[0035] See figure 1 , figure 1 It is a flowchart of a VOC gas treatment method provided by an embodiment of the present invention. The VOC gas processing method of the present embodiment, the method includes:

[0036] S1: oxidize and decompose the VOC exhaust gas by irradiating the exhaust gas with ultraviolet rays;

[0037] Specifically, the exhaust gas containing VOC gas to be treated is introduced into the ultraviolet photolysis equipment through the conduit. The ultraviolet rays generated by the ultraviolet lamp tube in the ultraviolet photolysis equipment have the effect of sterilization and disinfection on the one hand, and can decompose oxygen in the air on the other hand. molecules, forming free oxygen, which then combines with oxygen molecules to form ozone. In this embodiment, the VOC gas to be treated comes from kitchen waste, including ammonia, trimethylamine, hydrogen sulfide, methyl mercaptan, methyl sulfide, dimethyl disulfide, carbon disulfide, styrene, sulf...

Embodiment 2

[0050] See figure 2 , figure 2 It is a schematic structural diagram of a VOC gas treatment device provided by an embodiment of the present invention. The VOC gas treatment device of this embodiment includes an ultraviolet photolysis chamber 2, a microbial degradation chamber 3, a photoelectric decomposition treatment chamber 4, a blower 5, a filter adsorption chamber 6, and a spray tower 7 connected sequentially through a gas pipe 1. First, the waste gas containing VOC gas to be treated is introduced into the ultraviolet photolysis chamber 2 through the air pipe 1, such as figure 2 As shown, five parallel ultraviolet lamps 8 are arranged in the ultraviolet photolysis chamber 2, and the ultraviolet rays generated by the ultraviolet lamps 8 can decompose oxygen molecules in the air to form free oxygen, and then the free oxygen combines with oxygen molecules, Ozone is formed. Ozone can oxidize free pollutant molecules in exhaust gas to form harmless or low-harm small molecu...

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Abstract

The invention relates to a method and an apparatus of VOC gas treatment. The method includes: irradiating VOC waste gas with ultraviolet ray for oxidative decomposition of the VOC waste gas; after theoxidative decomposition, performing microbial degradation on the waste gas; irradiating the degraded waste gas with infrared ray; performing physical adsorption on the waste gas after the infrared ray irradiation; performing spray treatment on the waste gas after the physical adsorption and discharging the waste gas into atmosphere. The apparatus includes an ultraviolet photolysis chamber, a microbial degradation chamber, a photoelectric decomposition treatment chamber, a blower, a filtering adsorption chamber and a spray tower, which are successively connected through gas pipes. By means ofthe method and the apparatus of VOC gas treatment, oxidative decomposition, microbial degradation, photoelectric decomposition treatment, physical adsorption and spray treatment are successively carried out so as to completely purify the VOC waste gas, thereby ensuring zero-emission of pollution gas.

Description

technical field [0001] The invention belongs to the technical field of garbage treatment, and in particular relates to a VOC gas treatment method and device. Background technique [0002] With the rapid rise of my country's industrial enterprises, various environmental problems have followed one after another, among which volatile organic compound (VOC) exhaust gas pollution has gradually attracted attention. VOC is a general term for a class of low-boiling organic compounds, and the common ones are aromatic hydrocarbons, alcohols, esters and aldehydes. Most VOCs are toxic, odorous, and even carcinogenic. Long-term exposure to volatile organic compounds or being in an environment with a large content of volatile organic compounds will greatly damage human body functions. [0003] The catering process in daily life will produce a large amount of food waste. During the crushing, transfer, dehydration and fermentation of food waste, VOC waste gas with complex composition and f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/84B01D53/76B01D53/44B01D50/00
CPCB01D53/007B01D53/84B01D53/76B01D53/04B01D53/32B01D53/44B01D53/26B01D53/18B01D2259/804B01D2251/104B01D2257/708B01D2259/818B01D50/60Y02A50/20
Inventor 胡耀辉
Owner 西安天仁鹤环保科技有限公司