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
CN105617852AActive Publication Date: 2016-06-01SHANGHAI LONGKING ENVIRONMENTAL PROTECTION
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANGHAI LONGKING ENVIRONMENTAL PROTECTION
Publication Date
2016-06-01

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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.
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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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