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再燃脱硝的动力学模拟和组分影响分析
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沈伯雄,姚 强 (清华大学热能工程系,北京 100084)# y+ `7 Z% I4 T6 G5 s
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. N, E; S( l8 R2 {) z( ]$ _
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、
& \8 S9 C9 V2 E2 u5 |NH3、H2和CO等对脱硝效果的影响.6 W) k8 `" n% e7 z
关键词:再燃燃料;再燃脱硝;动力学模拟
. N1 s8 l3 E& m/ W+ B9 {- \, @3 oKinetic model of reburning and analysis of reburnig fuels influences* w% Z2 r2 s2 F
SHEN Boxiong, YAOQiang (Department ofThermal Engineering, TsinghuaUniversity 100084): F _5 r0 j" u( w, Q8 G; C
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 to0 ?, A. J* ~& F( S* L
indicate the chemistry process on the basis of experimental results. The influences for different kinds of reburningfuels includingnatural gas、
/ z. b4 f% r* G& Jpyrolysis gas、HCN、NH3、H2and CO are discussed in detailed in this paper.3 z4 C, p( `! | [
Keywords:reburning fuel, de-NO by reburning, kinetic model |
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发表于 2009-8-31 12:04:00
