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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
6 k; ^1 q2 @' 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、
+ x: A$ n5 M9 B; J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
8 `2 P) N( ^7 f# G& o* ]为其工业应用提供有价值的数据依据和理论基础。
( F. \8 ]3 p) B% ^" r2 |关键词:再燃脱硝;影响因素;机理分析8 M: J f* H& F
中图分类号:X701文献标识码:A8 t \; Z1 d% |0 n6 \
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Experimental Study on Advanced Reburning to De-NO under High Temperature
& b* s, A7 ~- T2 S% VSHEN Bo-xiong,SUN Xing-fu
6 L# k/ ]% F2 { hAbstract:Experiments were carried out to study on the influences of parameters to de-NO by natural gas and ammonia
0 {5 b8 Y5 n" L( \ R$ ^% kinjection under high temperature.The parameters include temperature,excess oxygen ratio,NH3 injection,water vapor1 }$ ~) `, @' R; w% ^, }
content,etc.Many influences rules were found by the experiments,and their mechanism is explained.This will provide
, e: h0 `) X$ Cvaluable data and theory foundation for the utility of this technology.8 x# L) f# c* e9 ~3 _, m( O
Key words:advanced reburning;influent parameters;mechanism analysis |
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