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A scr processing system

A processing system and dust collector technology, applied in separation methods, dispersed particle separation, chemical instruments and methods, etc., can solve problems such as high cost, complex process, waste of space, etc., to improve efficiency, improve desulfurization and dust removal effect, and realize automation. The effect of preparation

Active Publication Date: 2021-10-12
YANCHENG LANFENG ENVIRONMENTAL ENG TECH
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Problems solved by technology

[0003] In the conventional process, desulfurization, denitrification and dust removal are completed in their own devices as independent unit operations. This independent exhaust gas treatment process is costly, wastes space, and the process is complicated. Therefore, it is necessary to develop an SCR treatment system. , so as to achieve the three purposes of desulfurization, denitrification and dust removal

Method used

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  • A scr processing system
  • A scr processing system
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Embodiment Construction

[0029] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0030] An embodiment of the present invention provides an SCR processing system, such as figure 1 As shown, the system includes a first desulfurizer 1, a first dust remover 2, a second dust remover 3 and a second desulfurizer 4, and the first desulfurizer 1, the first dust remover 2, and the second dust remover 3 It communicates with the second desulfurizer 4 in sequence.

[0031] Further, the second desulfurizer can also communicate with a preset SCR denitrification device, so as to denitrify the flue gas. The SCR denitrification device includes a catalyst injector for injecting powder catalyst into the flue flow passage. The powder catalyst may be a catalyst that catalyzes the selective catalytic reduction reaction SCR for denitration. A deceleration plate wi...

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Abstract

The present invention provides an SCR treatment system, the system includes a first desulfurizer, a first dust remover, a second dust remover and a second desulfurizer, the first desulfurizer, the first dust remover, the second dust remover and The second desulfurizer is connected sequentially. The second desulfurizer can also communicate with a preset SCR denitrification device, so as to denitrify the flue gas. The SCR denitrification device includes a catalyst injector for injecting powder catalyst into the flue flow passage. The powder catalyst may be a catalyst that catalyzes the selective catalytic reduction reaction SCR for denitration. A deceleration plate with a porous structure may also be provided at the passage, and the deceleration plate is used to prolong the residence time of the powder catalyst and increase the catalytic efficiency. The invention can better realize the purposes of desulfurization, dust removal and stock removal based on the multi-channel continuous process.

Description

technical field [0001] The invention relates to the field of environmental protection, in particular to an SCR treatment system. Background technique [0002] As my country's main primary energy source, coal occupies a large proportion of energy consumption in power plants, boilers and coking industries. Especially this year, with the development of my country's economy, the increase in energy demand has greatly increased the consumption of coal. consume. When coal is burned, sulfides and nitrates will be produced. If these waste gases are discharged directly, the pollution to the air is extremely serious. [0003] In the conventional process, desulfurization, denitrification and dust removal are completed in their own devices as independent unit operations. This independent exhaust gas treatment process is costly, wastes space, and the process is complicated. Therefore, it is necessary to develop an SCR treatment system. , so as to achieve the three purposes of desulfuriza...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D47/06B01D53/50B01D53/86B01D53/78B01D53/56
CPCB01D47/06B01D53/501B01D53/8625B01D2251/404B01D2251/604
Inventor 陈立萍张强胡甲
Owner YANCHENG LANFENG ENVIRONMENTAL ENG TECH
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