Denitration device

The invention belongs to the technical field of cement industry, and discloses a denitration device which comprises a decomposing furnace, and the decomposing furnace comprises a cone section, a first straight cylinder section, a first necking section and a second straight cylinder section which are...

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Main Authors QIN XIAOFENG, CUI QIANZHU, LIU QINGBIN, ZHANG GUOQING, GU RUILIN, WANG JIANBING, CHENG FEI, DU XINGWEI, MENG LINGFENG
Format Patent
LanguageChinese
English
Published 11.11.2022
Subjects
AIR
AIR SUPPLY
BLASTING
COMBUSTION APPARATUS
COMBUSTION PROCESSES
DRAUGHT-INDUCING
HEATING
LIGHTING
MECHANICAL ENGINEERING
METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN
SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS
WEAPONS
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Summary:The invention belongs to the technical field of cement industry, and discloses a denitration device which comprises a decomposing furnace, and the decomposing furnace comprises a cone section, a first straight cylinder section, a first necking section and a second straight cylinder section which are sequentially arranged from bottom to top; the top of the smoke chamber is provided with a second necking section, and the second necking section is connected with the lower end of the cone section; the tertiary air pipe is connected with the second straight cylinder section, and the tertiary air pipe is connected to one side of the second straight cylinder section in a lateral rotation mode; a reduction area is formed between the outlet of the tertiary air pipe and the second necking section; and the two swirl nozzles are symmetrically arranged on the cone section. According to the denitration device provided by the invention, NOx emission can be effectively reduced, and the NOx removal rate can reach 70% or above
Bibliography:Application Number: CN202211250445