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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% S/ W* Z8 N' J1 S8 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、; M v) E9 F2 _ u
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
) {- N" Q# q7 P( N7 A6 `为其工业应用提供有价值的数据依据和理论基础。
$ A# v9 i& [, D& @# S. C关键词:再燃脱硝;影响因素;机理分析
# P% {- T: U8 q中图分类号:X701文献标识码:A; g, m$ b& R! L3 u. A
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Experimental Study on Advanced Reburning to De-NO under High Temperature8 z0 Y# m9 d/ n) D
SHEN Bo-xiong,SUN Xing-fu
% H# Y% `' Z& F- ^Abstract:Experiments were carried out to study on the influences of parameters to de-NO by natural gas and ammonia
6 z1 W& |( g; Z" ?* E# R* Sinjection under high temperature.The parameters include temperature,excess oxygen ratio,NH3 injection,water vapor1 s& v5 w: E5 M# i+ D6 {
content,etc.Many influences rules were found by the experiments,and their mechanism is explained.This will provide
0 A5 D# V4 L. k' E: X, K5 \valuable data and theory foundation for the utility of this technology.8 V! _- c6 @& x9 @$ N$ S
Key words:advanced reburning;influent parameters;mechanism analysis |
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