Two-stage double-circulation spray packing composite absorption tower

A technology of spray packing and double circulation, which is applied in the field of reactors, can solve problems such as no industrialization reports, and achieve the effects of saving investment and operating costs, simple and reliable process, and low price

Inactive Publication Date: 2016-03-09
ZHEJIANG JIEDA ENVIRONMENTAL PROTECTION GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As early as the early 1970s, foreign scholars proposed the Fe-EDTA method, but there has been no industrialization report so far

Method used

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  • Two-stage double-circulation spray packing composite absorption tower
  • Two-stage double-circulation spray packing composite absorption tower
  • Two-stage double-circulation spray packing composite absorption tower

Examples

Experimental program
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Embodiment 1

[0031] Embodiment 1, Figure 1 ~ Figure 4 A two-stage double-circulation spray packing composite absorption tower is given; it includes a spray section 11, a transition section 12 and a packing section 13 arranged in sequence from bottom to top; the spray section 11 is provided with a flue gas inlet 4 and a flue gas The purification device I; the transition section 12 is provided with a collector 6; the packing section 13 is provided with a flue gas outlet 9 and a flue gas purification device II.

[0032] The flue gas purification device I includes a spray layer 3, an absorbent circulation device 5 and an oxidation pool 2; the upper and lower layers are set between the spray layer 3 and the oxidation pool 2, and the injection port of the spray layer 3 is downward, and the spray layer 3 and the oxidation pool 2 are connected through an absorbent circulation device 5, and the substances in the oxidation pool 2 are circulated to the spray layer 3 for spraying through the absorben...

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PUM

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Abstract

The invention discloses a two-section bicirculating spraying and padding composite absorption tower. The two-section bicirculating spraying and padding composite absorption tower is characterized by comprising a spraying section (11) for primarily purifying flue gases and a padding section (13) for secondarily purifying the flue gases, wherein the spraying section (11) is provided with a flue gas inlet (4) and a flue gas purifying device I; the padding section (13) is provided with a flue gas outlet (9) and a flue gas purifying device II.

Description

technical field [0001] The invention relates to a reactor for treating flue gas of a coal-fired boiler, in particular to a two-stage double-circulation spray packing composite absorption tower. Background technique [0002] my country is a country with coal as the main energy source. The air pollutant SO produced by coal burning 2 and NOx have caused serious acid rain pollution in some areas of our country, which has brought serious harm to the local ecological environment. In addition, SO emitted into the air 2 And NOx and some volatile organic compounds can form fine particles through chemical reaction, forming PM2.5, which eventually leads to the occurrence of haze phenomenon, which seriously endangers human health. Thermal power generation occupies a dominant position in my country's power generation field. According to statistics, more than 70% of my country's electric energy comes from thermal power generation. for SO 2 The country has carried out comprehensive des...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/80B01D53/50B01D53/78B01D53/56
Inventor 何保海吴祖良吴国勋赵强蔡柯明徐燕
Owner ZHEJIANG JIEDA ENVIRONMENTAL PROTECTION GRP
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