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水蒸汽对先进再燃区脱硝效率的影响研究
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南开大学沈伯雄孙幸福9 W" A6 r/ r/ P
摘要:实验研究了以天然气和氨为还原剂,在高温环境中对烟气中氮氧化物进行还原脱除。在这个过程中,通过改变再燃区的温度、9 b* y8 s% s. S3 O
过量氧系数、喷氨量、喷水蒸汽量等方法,提高再燃区的脱硝效率。通过实验研究对这些参数进行优化,并从机理上给予解释。本研究
+ R% r0 c2 D6 v为其工业应用提供有价值的数据依据和理论基础。
; i* E F9 L# P, V- c% P+ U3 ~" Y关键词:再燃脱硝;影响因素;机理分析
; d* x- Q. x# n7 F. R d中图分类号:X701文献标识码:A
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Experimental Study on Advanced Reburning to De-NO under High Temperature
a) n% f- d3 ^" Y; u3 O0 C/ B7 sSHEN Bo-xiong,SUN Xing-fu M+ o9 h% y# j9 Z6 ^# b0 A% r
Abstract:Experiments were carried out to study on the influences of parameters to de-NO by natural gas and ammonia j+ m3 E$ X5 c
injection under high temperature.The parameters include temperature,excess oxygen ratio,NH3 injection,water vapor6 ]* {# p+ P5 S, i# W
content,etc.Many influences rules were found by the experiments,and their mechanism is explained.This will provide/ T) J2 v: ?- W
valuable data and theory foundation for the utility of this technology.7 \0 R; U# r& k' X
Key words:advanced reburning;influent parameters;mechanism analysis |
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