Atomization spray gun for SNCR (Selective Non-Catalytic Reduction) denitration system and application of atomization spray gun

An atomization spray gun and denitrification technology, which is applied in the direction of injection devices, liquid injection devices, chemical instruments and methods, etc., can solve the problems of complex structure, spray liquid blockage, etc., and achieve the effect of simple adjustment, uniform atomization and firm structure

Pending Publication Date: 2018-08-31
江苏华本环境科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Purpose of the invention: In order to solve the existing problems in the prior art, the present invention provides an excellent atomization spray gun for SNCR denitrification system with air-water mixi

Method used

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  • Atomization spray gun for SNCR (Selective Non-Catalytic Reduction) denitration system and application of atomization spray gun
  • Atomization spray gun for SNCR (Selective Non-Catalytic Reduction) denitration system and application of atomization spray gun

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Embodiment Construction

[0019] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should understand that following specific embodiment is only for illustrating the present invention and is not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand the present invention Modifications in various equivalent forms fall within the scope defined by the appended claims of the present application.

[0020] see Figure 1-2 , an atomizing spray gun for an SNCR denitrification system, including an injection pipe 1, the right side of the injection pipe 1 runs through the end protection pipe 2, the connecting plate 20 and the fixing plate 4 and extends to the inside of the mixing chamber 6, and the outside of the injection pipe 1 The terminal protection tube 2 is fixedly connected, the terminal protection tube 2 runs through the connection plate 20 and extends to the insi...

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Abstract

The invention discloses an atomization spray gun for an SNCR (Selective Non-Catalytic Reduction) denitration system and application of the atomization spray gun. The atomization spray gun comprises anejection tube, wherein a tail end protection tube is fixedly connected outside the ejection tube; a connecting plate is fixedly connected outside the tail end protection tube; cylinders are fixedly connected with both the front side and the back side of the connecting plate; a fixing plate is fixedly connected with the right sides of the two cylinders; positioning plates are fixedly connected with the right side of the fixing plate; a mixing cavity is fixedly connected inside the four positioning plates. By adopting the atomization spray gun for the SNCR denitration system, air is fed into aconveying tube through an air feeding tube, ammonia water is further fed into a water storage box through an ammonia water feeding tube and is further fed into a conveying tube, the ammonia water andthe air are collided and mixed inside the mixing cavity to form fine granules, the fine granules are sprayed in a sector or solid cone manner and thus are uniformly atomized, the air pressure of the atomization spray gun and the gas pressure can be simple to adjust, and problems such as pressure difference backflow can be avoided.

Description

technical field [0001] The invention relates to the technical field of industrial equipment, in particular to an atomizing spray gun for an SNCR denitrification system. Background technique [0002] The process of removing nitrogen oxides from combustion flue gas and the importance of preventing environmental pollution have been sharply raised as a worldwide problem. The mainstream processes in the world are divided into SCR and SNCR. These two processes are not only due to SCR uses a catalyst to cause a lower reaction temperature than SNCR, and there is not much difference in other aspects. However, from the perspective of construction cost and operating cost, the investment of SCR is at least several times, or even more than 10 times, that of SNCR. [0003] The atomizing spray gun can effectively reduce a large amount of nitrogen oxides in the flue gas emitted by waste incineration, but the overall structure of the current atomizing spray gun is very complicated, which may...

Claims

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Application Information

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IPC IPC(8): B01D53/78B01D53/56B01D53/79B05B7/04B05B15/16B05B15/60
CPCB01D53/56B01D53/78B01D53/79B05B7/0425B05B15/16B05B15/60B01D2258/0283
Inventor 张宾王腾飞谢猛
Owner 江苏华本环境科技有限公司
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