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再燃脱硝的动力学模拟和组分影响分析( `9 b6 `4 g' ?1 p0 D I
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沈伯雄,姚 强 (清华大学热能工程系,北京 100084)
2 b/ A- S) M6 @# m' K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& J) y* e5 v" }# H% W8 j* }2 S
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、. L$ y: A- ]8 N+ M
NH3、H2和CO等对脱硝效果的影响.7 c( T+ z% l) e/ V3 T; `
关键词:再燃燃料;再燃脱硝;动力学模拟
( ^4 S- h2 ^4 l4 GKinetic model of reburning and analysis of reburnig fuels influences- z0 Q2 O9 \, Q" m$ l
SHEN Boxiong, YAOQiang (Department ofThermal Engineering, TsinghuaUniversity 100084)
8 M8 f' h" i; s: eAbstract: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" P! a' e: @: m- W0 \/ d
indicate the chemistry process on the basis of experimental results. The influences for different kinds of reburningfuels includingnatural gas、
! m, \/ K* j4 o8 {. A. ^pyrolysis gas、HCN、NH3、H2and CO are discussed in detailed in this paper.8 P, n7 t |) P. d+ q
Keywords:reburning fuel, de-NO by reburning, kinetic model |
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发表于 2009-8-31 12:04:00
