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再燃脱硝的动力学模拟和组分影响分析9 j. x$ c- k5 V8 D* J* t( M( e# ^
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沈伯雄,姚 强 (清华大学热能工程系,北京 100084)
2 R1 R0 Z/ A7 |! H) p- k1 ]. [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; f1 ?/ o, G m- k! K8 a( A
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、
* q) b. h, f2 A. ]NH3、H2和CO等对脱硝效果的影响.
" |6 |; p6 T4 n& W# h关键词:再燃燃料;再燃脱硝;动力学模拟
' W m: [. B: z; w# D E- A- A) oKinetic model of reburning and analysis of reburnig fuels influences$ I! A% d: X) D0 p: b; D
SHEN Boxiong, YAOQiang (Department ofThermal Engineering, TsinghuaUniversity 100084)
' F( h! \* Q" M# F+ WAbstract: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
) S; g- s/ ^4 U+ ?3 H/ ?4 F2 x4 `indicate the chemistry process on the basis of experimental results. The influences for different kinds of reburningfuels includingnatural gas、
; |: Y0 y1 u% Y* V1 ]- Rpyrolysis gas、HCN、NH3、H2and CO are discussed in detailed in this paper. W! J) [( B7 c s# l' ~$ J
Keywords:reburning fuel, de-NO by reburning, kinetic model |
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发表于 2009-8-31 12:04:00
