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水蒸汽对先进再燃区脱硝效率的影响研究$ K& P' S7 \2 C
4 s; c1 N4 [$ P
南开大学沈伯雄孙幸福
2 j7 a$ }! }2 O9 h$ g# |; `7 e, I& Y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、
! o& e0 ^* x5 }" W; ?. t% c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
: {. P" z. b& a5 g为其工业应用提供有价值的数据依据和理论基础。# x6 C8 }; C/ X5 ~: f
关键词:再燃脱硝;影响因素;机理分析
8 H+ A3 y! S. e9 z7 a9 C4 F中图分类号:X701文献标识码:A. ?* o( t, Q6 i
( F& o( v2 B- ?8 q# l2 x$ iExperimental Study on Advanced Reburning to De-NO under High Temperature
9 C* x# s% @3 i" C% F. b# f8 nSHEN Bo-xiong,SUN Xing-fu
# t! W' o* K* q' |3 }- B9 T o; FAbstract:Experiments were carried out to study on the influences of parameters to de-NO by natural gas and ammonia
$ i0 P; H) F4 b5 i ]( Winjection under high temperature.The parameters include temperature,excess oxygen ratio,NH3 injection,water vapor
. c8 ]1 G$ h5 t( ~; Qcontent,etc.Many influences rules were found by the experiments,and their mechanism is explained.This will provide
! T( c) l5 u) d$ p/ M; R8 zvaluable data and theory foundation for the utility of this technology.1 ^- ~' Y! z. Y
Key words:advanced reburning;influent parameters;mechanism analysis |
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