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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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8 C: _# U0 F0 U沈伯雄,姚 强 (清华大学热能工程系,北京 100084)* {8 g5 U% W/ `) \" y! m0 c
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/ g ]/ `7 s7 E; |7 W4 x. z- n4 ]- @
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、
1 J0 z7 k2 ?7 Z. ]/ i! kNH3、H2和CO等对脱硝效果的影响.
" w2 h# G+ b. J关键词:再燃燃料;再燃脱硝;动力学模拟* _4 s" z( u. g* {9 _
Kinetic model of reburning and analysis of reburnig fuels influences
& ^6 Z" B8 h+ F+ { l+ J" M1 ISHEN Boxiong, YAOQiang (Department ofThermal Engineering, TsinghuaUniversity 100084)1 u" u9 s/ w: k1 @7 g* O% f, _
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
* T5 s! j3 }# \8 w l; tindicate the chemistry process on the basis of experimental results. The influences for different kinds of reburningfuels includingnatural gas、
7 Z- D |7 W! ~8 v/ f* vpyrolysis gas、HCN、NH3、H2and CO are discussed in detailed in this paper.
- c/ j3 V4 W- s6 D c" c% ]3 bKeywords:reburning fuel, de-NO by reburning, kinetic model |
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发表于 2009-8-31 12:04:00
