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再燃脱硝的动力学模拟和组分影响分析 V$ c# e* Y W. m6 L3 Y7 m) ]
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沈伯雄,姚 强 (清华大学热能工程系,北京 100084)0 W' W& |% Y n/ N
摘要:采用Gear算法模拟了再燃脱硝再燃区中化学反应过程,反应的热力学和动力学参数采用GRI 3·0,模拟结果和实验结
, B; }7 P" z( f/ j5 W! O果作比较,说明该模拟可以用于预测再燃脱硝的基本过程.在模拟的基础上讨论了不同再燃燃料及其中的不同组分如HCN、7 U" q0 j* P1 C- m0 O
NH3、H2和CO等对脱硝效果的影响.3 o" _6 O( y% E: K9 f" Q- ?0 U [
关键词:再燃燃料;再燃脱硝;动力学模拟
7 u( v" t% ]) A$ NKinetic model of reburning and analysis of reburnig fuels influences
! j2 v; M: X9 X8 P4 x8 N$ oSHEN Boxiong, YAOQiang (Department ofThermal Engineering, TsinghuaUniversity 100084)$ S9 F& Z& N' B. X3 x
Abstract:The chemistry process of reburning has been modeled on the bases of GRI 3·0 and the method of Gear. The model can be used to+ h4 Y4 k1 v1 g6 A
indicate the chemistry process on the basis of experimental results. The influences for different kinds of reburningfuels includingnatural gas、. F) F1 ^: ~! F& W% x# x/ M" Q* R" Y
pyrolysis gas、HCN、NH3、H2and CO are discussed in detailed in this paper.$ v* V+ ?6 ]: \# t5 B3 ^
Keywords:reburning fuel, de-NO by reburning, kinetic model |
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发表于 2009-8-31 12:04:00
