Rectifying desulphurization system

A wet desulfurization and spray system technology, applied in separation methods, dispersed particle separation, chemical instruments and methods, etc., can solve the problems of unsatisfactory gas-liquid mass transfer effect, poor uniformity of flue gas distribution, and low desulfurization efficiency, etc. Achieve the effect of good gas-liquid mass transfer, reduce the amount of slurry spray, and reduce the number of spray layers

Inactive Publication Date: 2009-07-08
CPI YUANDA ENVIRONMENTAL PROTECTION ENG +1
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AI Technical Summary

Problems solved by technology

The core equipment of this process is the absorption tower. The existing absorption tower has problems such as poor flue gas distribution uniformity in the tower, unsatisfactory gas-liquid mass transfer effect, high energy consumption of the system, and low desulfurization efficiency.

Method used

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Embodiment Construction

[0019] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0020] see figure 1 , the rectification and desulfurization system of this embodiment includes an absorption tower body 11, a slurry tank 12 is arranged at the bottom of the absorption tower body 11, and a stirring device 4 is arranged in the slurry tank 12; a flue gas is arranged in the middle part of the absorption tower body 11 Inlet 1, the upper part is provided with a flue gas outlet 2, and the absorption tower body 11 is sequentially provided with a slurry spray system 8 and a demisting system 9 from the flue gas inlet 1 to the flue gas outlet 2, and the demisting system 9 is provided with two stage, a shower water system 10 is arranged between the two-stage demisting systems 9, and the slurry spray system is provided with 4 layers. The flue gas wet desulfurization absorption tower also includes a circulating slurry pump 6, and the...

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Abstract

The invention provides a rectification desulphurization system. The interior of an absorption tower of the system has uniform flue gas distribution, good gas-liquid mass transferring effect and higher desulphurization effect. The rectification desulphurization system comprises a tower body of the absorption tower. The lower part of the tower body of the absorption tower is provided with a stock tank, the middle part is provided with a flue gas inlet, and the upper part is provided with a flue gas outlet. The tower body of the absorption tower is internally and sequentially provided with a grout spraying system and a defogging system from the flue gas inlet through the flue gas outlet. A rectification device is arranged between the flue gas inlet and the grout spraying system. Compared with the prior art, the system has the following advantages that the system is provided with the rectification device, which causes that the interior of the tower has uniform flue gas distribution, good gas-liquid mass transferring effect; the height of the absorption can be lowered; the quantity of spaying layers and the spraying amount of grout is reduced; the power consumption of a grout circulation pump is reduced; based on the power consumption reduction, the higher desulphurization efficiency is realized.

Description

technical field [0001] The invention relates to the technical field of environmental protection engineering, in particular to a rectification and desulfurization system. Background technique [0002] At present, the impact of air pollution is very serious, especially in the flue gas emitted by industrial boilers, industrial kilns and coal-fired power plants, etc., which contain a large amount of sulfur dioxide, and sulfur dioxide is the main cause of acid rain. Injuries can cause damage to the upper respiratory tract and damage the body's immunity. Therefore, the flue gas discharged by the above-mentioned industrial enterprises needs to be desulfurized. The limestone-gypsum wet flue gas desulfurization process is the most widely used desulfurization process, accounting for about 90% of the market share. The core equipment of this process is the absorption tower. The existing absorption tower has problems such as poor distribution uniformity of flue gas in the tower, unsatis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/80B01D53/50
Inventor 隋建才杜云贵刘清才张金伦唐小健蒋建华喻江涛李紫龙刘艳荣秦福初丁小红
Owner CPI YUANDA ENVIRONMENTAL PROTECTION ENG
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