Uniform distribution flow guide system of SCR denitration reaction tower

A reaction tower and denitrification technology, applied in gas treatment, dispersed particle separation, membrane technology, etc., can solve problems such as low denitration efficiency, and achieve the effects of good application prospects, improved efficiency, and strong practicability

Pending Publication Date: 2021-02-02
ANHUI CONCH DESIGN & RES INST OF BUILDING MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The flow direction of exhaust gas has an important impact on denitrification. In the existing technology, the denitrification efficiency is low due to the uneven flow direction of exhaust gas, which needs further improvement.

Method used

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  • Uniform distribution flow guide system of SCR denitration reaction tower
  • Uniform distribution flow guide system of SCR denitration reaction tower
  • Uniform distribution flow guide system of SCR denitration reaction tower

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Embodiment Construction

[0043] The specific implementation manner of the present invention will be described in further detail below by describing the embodiments with reference to the accompanying drawings.

[0044] This SCR denitrification reaction tower of the present invention is uniformly distributed flow diversion system, such as figure 2 , 3 As shown in , the inlet end 1 of the reaction tower is provided with a multi-layer diversion layer. The second layer of guide uniform distribution layer 4 , the second layer of guide uniform distribution layer 3 and the third layer of guide uniform distribution layer 4 are respectively provided with vertically arranged second-layer guide plates 32 and third-layer guide plates 42 .

[0045] In the present invention, if Figure 4 , 5 As shown in , the first uniform distribution layer 2 includes first transverse deflectors 21 and first longitudinal deflectors 22 arranged in a criss-cross pattern. The first transverse deflector 21 takes the middle as the ...

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Abstract

The invention discloses a uniform distribution flow guide system of an SCR denitration reaction tower. Thesystem is characterized in that: a plurality of flow guide layers are arranged at the inlet end of the reaction tower, the flow guide layers are respectively a first flow guide uniform distribution layer, a second flow guide uniform distribution layer and a third flow guide uniform distribution layer from top to bottom, and a second-layer flow guide plate and a third-layer flow guide plate which are vertically arranged are respectively arranged on the second-layer flow guide uniform distribution layer and the third-layer flow guide uniform distribution layer. The uniform distribution flow guide system of the SCR denitration reaction tower is simple in structure and reasonable in arrangement, can effectively distribute gas, enables the gas to uniformly pass through a catalyst, improves the SCR denitration reaction efficiency, and has relatively high practicability and relatively good application prospect.

Description

technical field [0001] The invention belongs to the technical field of SCR denitrification in a cement clinker production line, and more specifically relates to a uniformly distributed diversion system for an SCR denitrification reaction tower. Background technique [0002] (1) Clinker production process: [0003] The materials prepared according to a certain ratio are fed from the top of the preheater, preheated by the cyclone preheater, and then enter the calciner, where they are decomposed and then sent to the rotary kiln for calcination, and then enter the grate cooler to cool, and finally get what we need. clinker. [0004] (2) Technical background of denitrification in cement production line [0005] Cement is an important pillar industry of the national economy. Due to the needs of economic development, the total output of China's cement industry has shown a rapid growth trend in the past two decades. By the end of 2019, there were more than 1,600 new dry-process ce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/88B01D53/56
CPCB01D53/8631B01D53/885B01D2258/0233
Inventor 何承发李乐意孔取和荆云周金波金峰杨杰王俊范警卫李祥超李志强宗青松杨旺生
Owner ANHUI CONCH DESIGN & RES INST OF BUILDING MATERIALS CO LTD
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