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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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$ `$ c& W$ w+ y% Y) A! N$ s南开大学沈伯雄孙幸福. V' j2 A a! I. 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、
* S1 O- O6 [# q" L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
7 R- f2 t6 [" j; C% K0 N0 H为其工业应用提供有价值的数据依据和理论基础。
( ?' k' f/ M, z* |关键词:再燃脱硝;影响因素;机理分析
8 l/ L1 }5 `% }8 ^! \( D! r# m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
1 C$ E1 D0 d$ J: \SHEN Bo-xiong,SUN Xing-fu
9 E/ w4 a+ K# q N( F U, @Abstract:Experiments were carried out to study on the influences of parameters to de-NO by natural gas and ammonia; `( V% `" v' m( @9 @: P' Y
injection under high temperature.The parameters include temperature,excess oxygen ratio,NH3 injection,water vapor- T" e! O. h& C; {$ n6 A2 }
content,etc.Many influences rules were found by the experiments,and their mechanism is explained.This will provide; @% q6 N1 j' K9 [5 ^) P6 N, e
valuable data and theory foundation for the utility of this technology.7 a5 y# T8 q; @4 X
Key words:advanced reburning;influent parameters;mechanism analysis |
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