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Method for improving exhaust air recovery tower efficiency and exhaust air recovery tower

A waste gas recovery and recovery tower technology, which is applied in the field of improving the efficiency of waste gas recovery towers and waste gas recovery towers, can solve the problems of increased raw material consumption, high absorption liquid temperature, and environmental pollution, and achieves simple structure, reduced emissions, and cost savings. Effect

Inactive Publication Date: 2008-10-08
中国蓝星(集团)总公司 +1
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Problems solved by technology

[0002] In the production process of POM, waste gas needs to be recovered. In the waste gas absorption tower, due to the high temperature of the gas phase, the temperature of the absorbing liquid is high, and the effect of spraying and absorbing waste gas is relatively poor. Organic gases such as benzene vapor and formaldehyde in the waste gas Most of them are not condensed and vented, which not only pollutes the environment but also increases the consumption of raw materials for the device

Method used

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  • Method for improving exhaust air recovery tower efficiency and exhaust air recovery tower

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Embodiment Construction

[0009] The present invention will be described in detail below with reference to the drawings.

[0010] Such as figure 1 Shown is a schematic diagram of a waste gas recovery tower according to a preferred embodiment of the present invention. The waste gas recovery tower 1 of the present invention includes a packing layer 2 and a packing layer 3, wherein the packing layer 3 is arranged at the tower neck 4, two spray lines 5a and 5b are arranged in the chimney 6 above the packing layer 3, and the packing layer 2 is arranged above the packing layer 2. The spray line 11 and the waste gas recovery tower 1 also include a condenser 7. The waste gas recovery tower 1 is also connected with a storage tank 10, a pump 9 and a recovery tank 8.

[0011] After the exhaust gas entering the absorption tower 1 is absorbed by the packing layer 2, it continues to enter the packing layer 3 at the tower neck 4. The exhaust gas absorption liquid enters the absorption tower from the storage tank 10 via t...

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Abstract

The invention discloses a method for increasing the efficiency of a waste gas recovery tower, wherein, a packing layer is additionally arranged on the neck of the tower; at least one spraying pipeline is arranged above the packing layer arranged on the neck of the tower; and a condenser is additionally arranged. The method for increasing the efficiency of waste gas recovery tower can effectively absorb benzene, formaldehyde and other organic gases in waste gas, thus reducing the emission of organic gases in waste gas and retrieving organic composition.

Description

Technical field [0001] The present invention relates to a method for improving the efficiency of a tower, in particular to a method for improving the efficiency of an exhaust gas recovery tower, and the invention also relates to an exhaust gas recovery tower. Background technique [0002] In the POM production process, waste gas needs to be recovered. In the waste gas absorption tower, due to the high temperature of the gas phase, the temperature of the absorption liquid is high, and the effect of spraying and absorbing the waste gas is relatively poor. Organic gases such as benzene vapor and formaldehyde in the waste gas Most of them are not condensed and vented, which not only pollutes the environment but also increases the consumption of raw materials for the device. Summary of the invention [0003] The technical problem to be solved by the present invention is to provide a method for improving the efficiency of the waste gas recovery tower to effectively absorb organic gase...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/14B01D53/18
Inventor 冯益民朱建生刘斌张奕陆亦军岳云亭汤柏林魏婷婷
Owner 中国蓝星(集团)总公司
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