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再燃脱硝的动力学模拟和组分影响分析1 K% c+ h0 w4 m0 V8 ?5 t
" D; D! U% G* H p7 W/ Y1 n沈伯雄,姚 强 (清华大学热能工程系,北京 100084)
! X" I: F, I3 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* Z1 a+ y+ e$ w- `
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、
+ X# c! t, ]% @9 K! U" vNH3、H2和CO等对脱硝效果的影响.
7 H/ C9 u0 D( X5 V- U' m* L关键词:再燃燃料;再燃脱硝;动力学模拟, `+ e5 F' c5 ^! |* m
Kinetic model of reburning and analysis of reburnig fuels influences$ Q3 O) c6 g& \: w- Y1 f6 M
SHEN Boxiong, YAOQiang (Department ofThermal Engineering, TsinghuaUniversity 100084)
( Y6 E8 B0 n8 k) TAbstract: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" z, S, T4 h# `* p( Z
indicate the chemistry process on the basis of experimental results. The influences for different kinds of reburningfuels includingnatural gas、' h" S3 h1 @- w3 E6 i
pyrolysis gas、HCN、NH3、H2and CO are discussed in detailed in this paper.
0 k0 T* e$ t) ]3 I; xKeywords:reburning fuel, de-NO by reburning, kinetic model |
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发表于 2009-8-31 12:04:00
