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再燃脱硝的动力学模拟和组分影响分析0 u4 O% |! q6 j4 \* G, o) ]& A
9 Y. e( C6 }- q1 A6 X沈伯雄,姚 强 (清华大学热能工程系,北京 100084)9 u2 _$ Z+ q- K' H2 I1 ^/ T
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
9 g. y! @4 r. Z, L. I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、3 w# n$ h! |9 w. k. d; }
NH3、H2和CO等对脱硝效果的影响.8 W j5 ~; } Z" r# A9 H
关键词:再燃燃料;再燃脱硝;动力学模拟7 Z% V; O. K) x- T
Kinetic model of reburning and analysis of reburnig fuels influences& ` Z/ c) |% W% g# D/ {& I: f
SHEN Boxiong, YAOQiang (Department ofThermal Engineering, TsinghuaUniversity 100084). ]8 X' o( i9 k; ~7 d5 T0 F; W
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# f* k! q8 P. j; m/ v. Z
indicate the chemistry process on the basis of experimental results. The influences for different kinds of reburningfuels includingnatural gas、
, T4 N4 e4 d0 \6 `pyrolysis gas、HCN、NH3、H2and CO are discussed in detailed in this paper.* r8 y% d& I. v" E/ h1 T$ L) G
Keywords:reburning fuel, de-NO by reburning, kinetic model |
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发表于 2009-8-31 12:04:00
