Purifying device and method for spraying industry VOCs exhaust gas

A technology for purifying device and waste gas, applied in chemical instruments and methods, separation methods, combined devices, etc., can solve problems such as poor organic effect, and achieve the effects of good treatment effect, safe operation and high waste gas treatment efficiency.
CN106693573AInactive Publication Date: 2017-05-24易能环境技术有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
易能环境技术有限公司
Publication Date
2017-05-24
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a purifying device and method for spraying industry VOCs exhaust gas; the purifying device comprises the following processing systems: a static pressure filtration device, a spray scrubber, a demister, a photocatalytic purification tower, multiple groups of activated carbon adsorption tanks, a regeneration fan and a draught fan chimney which are connected successively; the static pressure filtration device is internally provided with a coarse-effect filter; the spray scrubber is internally provided with a water tank, and a Fenton reagent solution can be added in the water tank; the demister is used for removal of water mist brought out when exhaust gas passes through the spray scrubber; a photocatalytic reaction cavity of the photocatalytic purification tower is internally provided with a nano composite anatase titanium dioxide photocatalyst and an UV light; the multiple groups of activated carbon adsorption tanks are internally provided with coconut shell activated carbon. The purifying device and method have better processing effect on organic exhaust gas generated in spraying industries.
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Description

technical field

[0001] The invention relates to the technical field of organic waste gas treatment methods, in particular to a purification device and method for organic waste gas in the spraying industry.

[0002] technical background

[0003] During the production and operation of the spraying site, there are flammable, explosive, toxic and harmful waste gases from raw materials to finished products; the thinners generally used in paints are usually composed of several solvents, generally benzene, aldehydes, ketones, Alcohols, such as benzene, toluene, cyclohexanone, ethyl acetate, acetic acid, butyl acetate, xylene, etc., these solvents are very harmful to the human body, long-term exposure to such toxic and harmful substances will cause blood damage, Lymph damage, chronic poisoning, etc.

[0004] Today, there are generally the following treatment methods for waste gas treatment in the spraying industry:

[0005] 1. Washing method:

[0006] The water washing method uses...

Claims

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