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SCR reaction system and method

A technology of SCR reactor and reaction system, applied in chemical instruments and methods, separation methods, separation of dispersed particles, etc., can solve problems such as failure to meet environmental protection emission standards

Pending Publication Date: 2021-02-09
YANCHENG SAILONG ENERGY SAVING TECH ENG
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Problems solved by technology

In my country, dust emission control and flue gas desulfurization technologies have become increasingly mature, and dust collection and flue gas desulfurization projects have been carried out in an orderly manner. However, the national environmental protection requirements are becoming more and more stringent, and the control standards for nitrogen oxides will gradually be stricter. , the existing cement kiln SNCR denitrification technology can no longer meet the requirements of the current environmental protection emission standards

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  • SCR reaction system and method
  • SCR reaction system and method

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.

[0023] Such as figure 1 As shown, a kind of SCR reaction system comprises SCR reactor 1, filter layer 2, flue gas uniform distributor 3, desulfurization catalytic layer 4, depinning catalytic layer 5 and demister 6, the top and bottom of SCR reactor 1 are arranged There is a smoke inlet and a smoke outlet, and the SCR reactor 1 is sequentially installed with a filter layer 2, a smoke uniform distributor 3, a desulfurization catalytic layer 4, a denitrification catalytic layer 5, and a mist eliminator 6 along the smoke inlet to the smoke outlet. .

[0024] According to a specific embodiment of the present invention, an SCR reaction system includes an SCR reactor 1, a filter layer ...

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Abstract

The invention discloses an SCR reaction system and a method, the SCR reaction system comprises an SCR reactor, a filter layer, a flue gas uniform distributor, a desulfurization catalyst layer, a denitration catalyst layer and a demister, the top and the bottom of the SCR reactor are provided with a flue gas inlet and a flue gas outlet; and the filter layer, the flue gas uniform distributor, the desulfurization catalyst layer, the denitrification catalyst layer and the demister are sequentially mounted in the SCR reactor from the flue gas inlet to the flue gas outlet. The SCR reaction system disclosed by the invention is used for desulfurizing and denitrifying flue gas.

Description

technical field [0001] The invention relates to the field of out-of-stock technology, in particular to an SCR reaction system and method. Background technique [0002] With the rapid development of my country's economy, the degree of air pollution is also increasing. In my country, dust emission control and flue gas desulfurization technologies have become increasingly mature, and dust collection and flue gas desulfurization projects have been carried out in an orderly manner. However, the national environmental protection requirements are becoming more and more stringent, and the control standards for nitrogen oxides will gradually be stricter. , the existing cement kiln SNCR denitrification technology can no longer meet the requirements of the current environmental protection emission standards. Contents of the invention [0003] The present invention aims to solve the above technical problems to a certain extent. [0004] In view of this, the present invention provides...

Claims

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Application Information

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IPC IPC(8): B01D53/86B01D53/60
CPCB01D53/8637Y02A50/20
Inventor 孙长年程刚费少润刘船周广东聂岸亮周万云郭照丽
Owner YANCHENG SAILONG ENERGY SAVING TECH ENG
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