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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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6 a, m5 X K4 R, V! ~* B. a南开大学沈伯雄孙幸福
" a, l% U- B+ a3 j3 \6 X1 U' n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/ ?' _' t5 C3 y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
3 k7 k6 G1 @/ A为其工业应用提供有价值的数据依据和理论基础。
, S1 |6 O6 |. s) z关键词:再燃脱硝;影响因素;机理分析. e$ o8 f* H) _0 ^% O
中图分类号:X701文献标识码:A
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- m3 \4 U; K' Y& o* [Experimental Study on Advanced Reburning to De-NO under High Temperature1 C; |# N8 I: w5 G) h
SHEN Bo-xiong,SUN Xing-fu+ i* G" Q2 s7 m
Abstract:Experiments were carried out to study on the influences of parameters to de-NO by natural gas and ammonia
' Q6 a2 E: _% p- O) N$ l- I$ Ainjection under high temperature.The parameters include temperature,excess oxygen ratio,NH3 injection,water vapor- p% T& i Y2 Z" O1 ^
content,etc.Many influences rules were found by the experiments,and their mechanism is explained.This will provide
3 ~ }" K" S5 p8 K& Dvaluable data and theory foundation for the utility of this technology.) K- M7 L; k& }5 x- T5 f, U! d
Key words:advanced reburning;influent parameters;mechanism analysis |
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