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Desulfurization and dedusting absorption tower with porous current equalizer

A technology of desulfurization and dust removal, flow equalizer, applied in chemical instruments and methods, use of liquid separation agent, gas treatment, etc., can solve the problems of increasing investment cost, increasing equipment footprint, reducing feasibility, etc., to improve utilization Rate, lower liquid-gas ratio, lower flow and power consumption

Active Publication Date: 2016-06-01
SHANGHAI LONGKING ENVIRONMENTAL PROTECTION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this can improve the desulfurization efficiency to a certain extent, it increases the investment cost and the equipment footprint, reducing the feasibility of many projects that do not have enough space.

Method used

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  • Desulfurization and dedusting absorption tower with porous current equalizer
  • Desulfurization and dedusting absorption tower with porous current equalizer
  • Desulfurization and dedusting absorption tower with porous current equalizer

Examples

Experimental program
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Effect test

Embodiment 1

[0035] The first embodiment discloses a desulfurization and dust removal absorption tower provided with a porous homogenizer, comprising: a tower body, the tower body has a flue gas inlet and a flue gas outlet, the flue gas inlet is located at the lower part of the tower body, and the flue gas outlet is located on the tower body At least one sprayer, arranged in the tower body, between the flue gas inlet and the flue gas outlet of the tower body, for spraying the slurry; and at least one porous homogenizer, which is arranged in the tower body , Located above the flue gas inlet and below the sprinkler, the porous equalizer includes a porous equalizer plate. The porous equalizer plate is provided with a plurality of airflow holes for the flue gas and slurry to pass through. The upper surface of the flow plate receives the slurry sprayed by the sprayer and forms a liquid holding layer. When the flue gas passes through the liquid holding layer, "bubbling" occurs, thereby effectively...

Embodiment 2

[0037] Compared with the first embodiment, the improvement of the second embodiment is that in the desulfurization and dust removal absorption tower with porous homogenizer in the second embodiment, the number of sprayers and porous homogenizers are both multiple, and the number of spray The shower and the porous homogenizer are arranged at intervals, and a porous homogenizer is correspondingly arranged under each shower. In this embodiment, the shower includes a plurality of nozzles, and the plurality of nozzles are evenly distributed above the porous homogenizer.

[0038] In this embodiment, each sprayer only sprays the slurry on the porous homogenizer located below it, so that a liquid holding layer is formed on the porous homogenizer of each layer of the porous homogenizer, and the flue gas is in the tower. The body passes through a multi-layer porous homogenizer to make the flue gas evenly distributed in the body, and then passes through the multi-layer liquid holding layer,...

Embodiment 3

[0040] Compared with the first embodiment, the improvement of the third embodiment is that, in the desulfurization and dust removal absorption tower provided with a porous homogenizer in the third embodiment, the porous equalizer closest to the flue gas inlet of the tower body The device is a first multi-hole current equalizer, the first multi-hole current equalizer includes a first multi-hole current equalizer, the first multi-hole current equalizer is obliquely arranged in the tower body, which is close to the side of the flue gas inlet It is higher than the side away from the flue gas inlet of the tower.

[0041] In this embodiment, the inclination angle of the first porous flow sharing plate in the tower body is 15°-25°; the first porous flow sharing plate is an elliptical plate, and the side wall of the elliptical plate is connected to the inner wall of the tower body. Laminated; the first porous flow-sharing plate is provided with a plurality of first airflow holes, the por...

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Abstract

The invention discloses a desulfurization and dedusting absorption tower with a porous current equalizer. The desulfurization and dedusting absorption tower comprises a tower body, at least one sprayer and at least one porous current equalizer, wherein the tower body is provided with a flue gas inlet and a flue gas outlet; the sprayer is arranged in the tower body, is positioned between the flue gas inlet and the flue gas outlet and is used for spraying slurry; the porous current equalizer comprises a porous current equalizing plate, is arranged in the tower body and is positioned above the flue gas inlet and above the sprayer, and a plurality of airflow holes for flue gas as well as the slurry to pass through are formed in the porous current equalizing plate; when the desulfurization and dedusting absorption tower is in use, the upper surface of the porous current equalizing plate receives the slurry sprayed by the sprayer and forms a slurry holding layer; when the flue gas passes through the slurry holding layer, a bubbling phenomena occurs, so that the contact area and the contact time between the flue gas and the slurry in the slurry holding layer are effectively increased, the slurry can fully absorb sulfides in the flue gas as well as dust, and further, the desulfurization and dedusting efficiency of the desulfurization and dedusting absorption tower is effectively improved.

Description

Technical field [0001] The invention relates to the technical field of desulfurization and dust removal of flue gas, and in particular, to a desulfurization and dust removal absorption tower provided with a porous flow equalizer. Background technique [0002] In recent years, wet desulfurization technology has become more and more common in domestic electric power, nonferrous metals, steel and other fields, and wet desulfurization will cause haze and acid rain to a certain extent, SO 2 and PM2.5 emissions exceeding standards have had a severe impact on the atmospheric environment and seriously endangered national health. Against this background, the country began to implement GB13223-2011 "Thermal Power Plant Atmospheric Pollutant Emission Standards" and promoted ultra-low clean emissions of thermal power plant flue gas in some power plants on the eastern coast, causing existing domestic enterprises that use wet desulfurization to All are facing the pressure of terminal tre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/80B01D53/50B01D47/14
CPCB01D47/14B01D53/50B01D53/80B01D2257/40B01D2257/602
Inventor 陈泽民任世中何永胜方巧
Owner SHANGHAI LONGKING ENVIRONMENTAL PROTECTION
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