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Method for treating VOCs (Volatile Organic Compounds) exhaust gas in workshop of Baijiu industry

A waste gas treatment and workshop technology, applied in separation methods, chemical instruments and methods, dispersed particle separation, etc., can solve the problems of high operation and maintenance costs, low removal efficiency, and high investment, and achieve reduced energy consumption, easy operation, and treatment efficiency. high effect

Inactive Publication Date: 2019-05-17
SHANDONG LANLING GOOD WINE CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] The above methods all have the characteristics of high investment, high energy consumption, high operation and maintenance costs, and low removal efficiency to varying degrees.

Method used

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  • Method for treating VOCs (Volatile Organic Compounds) exhaust gas in workshop of Baijiu industry
  • Method for treating VOCs (Volatile Organic Compounds) exhaust gas in workshop of Baijiu industry
  • Method for treating VOCs (Volatile Organic Compounds) exhaust gas in workshop of Baijiu industry

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Embodiment 1

[0040] A method for treating VOCs waste gas in liquor industry workshops, comprising the following steps:

[0041] (1) An electric air valve is installed on the top of the air collecting hood of the present invention, and the electric air valve on the top of the air collecting hood above the corresponding steamer is opened to carry out point-to-point targeted collection. The gas hood and delivery pipeline are sent to the chemical cleaning tower; at the same time of suction, the fresh air is supplemented by the axial flow fan to break the negative pressure state of the closed workshop;

[0042] After the fan is turned on, the negative pressure in the recycling workshop is caused by the continuous suction of air, which is not conducive to the subsequent waste gas collection. The supplementary fresh air volume is selected according to the air volume of the terminal fan (the supplementary fresh air volume is 2 / 3 of the air volume of the terminal fan is the best), so that the worksh...

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Abstract

The invention discloses a method for treating VOCs (Volatile Organic Compounds) exhaust gas in a workshop of Baijiu industry, and belongs to the technical field of environmental protection. The methodis designed for organic waste gas produced in the Baijiu workshop. After point-to-point centralized collection, chemical cleaning and UV photocatalytic oxidation, the waste gas is discharged at highaltitude. After the treatment of the organic waste gas in the workshop, the total removal rate of VOCs in the waste gas can reach 90 percent or more, wherein the emission concentration of non-methanehydrocarbons is less than 60 mg / m<3>. The combination of a chemical cleaning technology and a photocatalytic oxidation technology greatly simplifies the treatment process of the organic waste gas, realizes the efficient removal of organic vapor in the Baijiu workshop, and meets the requirement of VOCs up-to-standard emission. Moreover, the method has the advantages of low energy consumption, simple operation, safety and environmental friendliness.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and in particular relates to a method for treating VOCs waste gas in liquor industry workshops. Background technique [0002] VOCs is the English abbreviation of volatile organic compounds (volatile organic compounds). VOCs in the general sense are command volatile organic compounds; but the definition in the sense of environmental protection refers to a type of active volatile organic compounds, that is, the type of volatile organic compounds that will cause harm. The VOCs organic waste gas involved in the present invention is steamer distillation tail gas, and its main components are volatile organic compounds such as steam, aldehydes, alcohols, acids, and fats. [0003] Common treatment methods for VOC organic waste gas include: thermal destruction method, membrane separation method, pressure swing adsorption separation and purification technology, adsorption method and therm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/75B01D53/44
Inventor 管桂坤王俊增万自然韩奇颖黄章滨林存旗孔令杰王涛
Owner SHANDONG LANLING GOOD WINE CO LTD
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