Chemical waste gas treatment device

Abstract

The invention provides a chemical waste gas treatment device. The chemical waste gas treatment device comprises a gas washing chamber, wherein one side of the gas washing chamber is provided with a gas inlet; a filter screen is arranged in the gas inlet; the other side of the gas washing chamber is provided with an absorption liquid draining outlet and a gas outlet; gas passage separating plates are arranged in the gas washing chamber; the gas passage separating plates are arranged on the upper wall and the lower wall of the gas washing chamber at certain intervals; a spraying device is arranged above the gas washing chamber; the spraying device comprises an absorption liquid tank and spray heads; in absorption liquid spraying paths of the spraying device, the gas passage separating plates are provided with sub-separating plates; and the gas outlet is fixedly connected with a waste gas combustion furnace through a flange. Through the designs of the gas passage separating plates and the sub-separating plates, the advancing route of waste gas in the absorption liquid is prolonged; the contact area between the waste gas and the absorption liquid is increased; gas which can be dissolved in the absorption liquid is directly disposed of in an absorption liquid washing way; and the residual waste gas is disposed of in a combustion way. The chemical waste gas treatment device is simple in structure, convenient to machine, manufacture and maintain, small in occupied space, and wide in application range.

Description

technical field [0001] The invention belongs to the field of chemical production, in particular to a chemical waste gas treatment device. Background technique [0002] Various organic compound exhaust gases such as hydrocarbons, alcohols, aldehydes, ketones, ethers, esters, amine carboxylic acids, aromatic hydrocarbons, phenols, etc. in the exhaust gases of petrochemical and other industries are harmful to the human body. Organic exhaust gases can also cause photochemical smog, causing Secondary pollution. At present, the purification and treatment methods of organic waste gas mainly include adsorption method: the surface force of the adsorbent is used to adsorb the organic waste gas on the surface of the adsorbent to purify the waste gas discharged during the production process. The adsorption method is suitable for the purification of low-concentration organic waste gas, and can also be used for the recovery of high-concentration organic waste gas. Combustion treatment m...

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Problems solved by technology

[0003] However, due to the complexity of the waste gas components of general petrochemical enterprises, it is difficult to completely purify it with one method, resulting in a large amount of harmful gases in the exhaust gas, which seriously affects the health of surrounding residents.

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