Denitration ammonia and air mixing device

A mixing device and ammonia technology, applied in the field of flue gas denitration treatment and environmental protection, can solve the problems of cumbersome production, increased power consumption, complex structure, etc.

Active Publication Date: 2016-11-23
DATANG ENVIRONMENT IND GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] At present, there are many kinds of common ammonia-air mixers, but there are some defects and deficiencies. For example, some ammonia-air mixers have poor medium mixing uniformity; some ammonia-air mixers have a lar

Method used

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  • Denitration ammonia and air mixing device
  • Denitration ammonia and air mixing device
  • Denitration ammonia and air mixing device

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Embodiment Construction

[0030] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0031] like figure 1 and figure 2 As shown, in one embodiment, a kind of denitrification ammonia air mixing device is provided, comprising:

[0032] Mixer body 1, one side of the mixer body is connected to the air inlet section 4, and the air inlet section 4 is connected to the air inlet 8; the other side is connected to the mixed gas outlet section 6; the mixed gas outlet section 6 is connected to the mixed gas outlet 10;

[0033] The ammonia nozzle 2 extending into the mixer body 1 and close to the air inlet section 4, the injection direction of the ammonia nozzle 2 points to the mixed gas outlet 6, and the outlet section of the ammonia nozzle 3 is consistent with the axis of the mixer body 1 and Located in the center of the mixer body 1; such as figure 2 , The ammonia ga...

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PUM

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Abstract

The invention provides a denitration ammonia and air mixing device. The denitration ammonia and air mixing device comprises a mixer body and an ammonia spraying tube, wherein one side of the mixer body is connected with an air inlet section while the other side of the mixer body is connected with a mixed gas outlet section; the ammonia spraying tube is close to the air inlet section; an outlet section of the ammonia spraying tube is consistent to the axis of the mixer body and is positioned in the center of the mixer body; a plurality of flow guide blades are arranged on the inner wall of the mixer body and are respectively arranged on two sides of the mixer body in a staggered manner; at least one through hole is formed in an edge of one side, which is connected with the inner wall of the mixer body, of each flow guide blade; and a plurality of slender grooves which are distributed uniformly are formed in an edge of the other side, which is not connected with the inner wall of the mixer body, of each flow guide blade. The denitration ammonia and air mixing device has effect of evenly mixing ammonia and air, and is simple in structure and easy to mount, repair and maintain; pressure drop is low; extra energy consumption can be avoided; original intension of national required energy conservation and emission reduction is met, and the promotional value is high.

Description

technical field [0001] The invention relates to the technical field of environmental protection, in particular to the technical field of flue gas denitrification treatment, and in particular to an air mixing device for denitrification ammonia gas. Background technique [0002] Boilers burning fossil fuels (such as coal, oil, natural gas) produce a large amount of flue gas, which contains harmful substances such as nitrogen oxides (NOx), a greenhouse gas that destroys the ozone layer. Direct harm to human health; Participate in the formation of photochemical smog, acid rain, and environmental pollution; In order to reduce the harm caused by NOx to the environment and humans, the state has put forward more and more strict requirements on the NOx emission concentration in the flue gas produced by boilers. In order to achieve a lower concentration of NOx emissions and reduce and eliminate the harm of NOx to humans, before the boiler flue gas is discharged into the atmosphere, it...

Claims

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Application Information

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IPC IPC(8): B01F5/04B01D53/90B01D53/56
CPCB01D53/56B01D53/90B01D2258/0283B01D2251/2062B01F2025/911B01F2025/91911B01F25/3131
Inventor 刘玉新陆生宽
Owner DATANG ENVIRONMENT IND GRP
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