Wet method desulfurizing white smoke trailing treatment device and method

A technology of wet desulfurization and white smoke, applied in the direction of chemical instruments and methods, separation methods, dispersed particle separation, etc., can solve problems affecting corporate image, hot air pollution, poor visual effects, etc., to improve visual effects and reduce emissions The effect of volume and easy operation

Inactive Publication Date: 2016-01-27
李正福
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Not only does it form a relatively poor visual effect, but also affects the corporate image
Moreover, a large amount of heat sources are discharged into the atmosphere, causing hot air pollution

Method used

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  • Wet method desulfurizing white smoke trailing treatment device and method
  • Wet method desulfurizing white smoke trailing treatment device and method

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Embodiment Construction

[0028] The technical solutions of the present invention are described below through specific embodiments. On the premise that there is no conflict with the purpose of the present invention, the embodiments mentioned below and the technical features in the embodiments can be combined with each other.

[0029] Such as figure 1 As shown, the marks in the figure are: 1-flue gas pipe, 2-boosting fan, 3-flue gas inlet, 4-lime slurry, 5-spray layer, 6-desulfurization absorption tower, 7-desulfurization tower outlet, 8-Pipeline, 9-Inlet reducing pipe, 10-Cooling water tank, 11-Branch pipe network, 12-Liquid level gauge, 13-Collecting tank, 14-Exit reducing pipe, 15-Chimney, 16-Water pump, 17- valve.

[0030] The technical scheme adopted in the present invention is: after the flue gas is desulfurized in the desulfurization absorption tower by the booster fan, the flue gas enters the water tank after being changed in diameter and branched through the pipeline, and then cools and radiat...

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Abstract

The invention relates to a wet method desulfurizing white smoke trailing treatment device and method. The treatment device comprises a booster fan, a desulfurizing tower, a reducing pipeline, a branch pipe network, a cooling water tank, a water collection tank, a draining pump, a valve, a chimney and a pipe. Flue gas is subjected to desulphurization in the desulfurizing absorbing tower through the booster fan, reducing is carried out through the pipe, then the flue gas goes into the water tank, heat radiation cooling exchange is carried out in the water tank through the branch pipe network, the temperature of the wet flue gas is lowered to about 40 DEG C from original about 55 DEG C, thus excess saturated vapor in the flue gas is condensed, the condensed water goes into the water collection tank and returns to the bottom of the desulfurizing tower for reuse, and the cooled flue gas is collected through the reducing pipe, goes into the chimney and is discharged. The excess water content in flue gas can be lowered, saturated vapor waste water is recovered, the desulfurizing tower white smoke trailing problem is solved effectively, the situation that residues in flue gas cannot pollute water resources is ensured, and secondary water treatment is avoided.

Description

technical field [0001] The invention relates to a treatment device and method for wet desulfurization white smoke tailing, belonging to the technical field of environmental protection, in particular to a treatment device for white smoke tailing formed in chimneys after wet desulfurization in metallurgy and electric power industries. Background technique [0002] In order to meet the increasingly stringent emission standards and solve the current deteriorating air environment quality, the large-scale sintering machines and thermal power generation units in my country have successively carried out flue gas treatment transformation in the past ten years. At present, about 70% of the desulfurization devices use wet desulfurization, to a certain extent. SO 2 The total discharge of pollutants, but followed by the phenomenon of "gypsum rain" and white smoke trailing after the wet desulfurization unit was put into operation. White smoke tailing is mainly caused by excessive saturate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/80B01D53/50B01D53/00
Inventor 李正福李宁燕
Owner 李正福
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