High-efficiency desulfurization absorption tower with control of empty tower partition pH values

A technology of desulfurization absorption tower and absorption tower, which is applied in the field of flue gas desulfurization absorption tower and flue gas absorption tower equipment, can solve problems such as economic constraints, and achieve the effects of improving utilization rate, reducing load and efficient absorption

Inactive Publication Date: 2015-10-14
江苏中顺节能科技有限公司
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  • High-efficiency desulfurization absorption tower with control of empty tower partition pH values

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[0025] The preferred technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0026] Such as figure 1As shown, a high-efficiency desulfurization absorption tower controlled by the pH value of the empty tower partition of the present invention includes an absorption tower, and the absorption tower is sequentially composed of a low pH value slurry pool layer 1, a flue gas inlet layer 2, and a low pH value from bottom to top. value zone spray layer 3, mechanical defogging layer 4 and flue gas outlet layer 5, and a low pH value circulation pipeline 6 connecting the low pH value slurry pool layer 1 and the low pH value zone spray layer 3 is arranged outside the absorption tower , the low pH value circulation pipeline 6 has a low pH value slurry pump 7, a high pH value slurry tank 8 is arranged outside the absorption tower, the height of the high pH value slurry tank 8 will be higher than the low pH value slurry...

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Abstract

The invention discloses a high-efficiency desulfurization absorption tower with control of empty tower partition pH values; the high-efficiency desulfurization absorption tower includes an absorption tower; the exterior of the absorption tower is provided with a high-pH-value slurry tank; the high-pH-value slurry tank and a low-pH-value slurry pool layer are connected by a valve pipeline, the high-pH-value slurry tank is provided with a limestone slurry supply pump; a high-pH-value region spray layer is arranged between a low-pH-value region spray layer and a mechanical demisting layer; the high-pH-value region spray layer and the high-pH-value slurry tank are connected by a high-pH-value circulation pipeline. Compared with the prior art, through arranging the high-pH-value slurry tank at the exterior of the absorption tower, the corresponding high-pH-value region spray layer is used for strengthening an absorption effect on SO2 in flue gas, slurry after the absorption effect is completed continues to strengthen oxidation of a neutralization reaction product calcium sulfite in the low-pH-value slurry pool layer in the absorption tower.

Description

technical field [0001] The invention relates to a flue gas absorption tower equipment for wet flue gas desulfurization, in particular to a flue gas desulfurization absorption tower with the function of controlling the pH value of empty tower partitions, and belongs to the field of environmental protection equipment. Background technique [0002] The absorption tower is the main body and core equipment of the wet flue gas desulfurization system. The performance and cost of the absorption tower play a decisive role in the design of the desulfurization system. According to the different types of gas-liquid contact, the absorption tower of wet desulfurization can be divided into four types: spray tower, packed tower, bubble tower and liquid column tower. Due to the simple structure of the spray tower, convenient operation and maintenance, good gas-liquid contact, high desulfurization efficiency and relatively mature application in engineering, the spray tower is the mainstream ...

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Application Information

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IPC IPC(8): B01D53/80B01D53/50B01D53/96
Inventor 代旭东曲守信范玺马冬子葛传芹
Owner 江苏中顺节能科技有限公司
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