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再燃脱硝的动力学模拟和组分影响分析1 d; r. n2 i. |! g4 G
/ h8 z/ G5 a" y% e) `- s沈伯雄,姚 强 (清华大学热能工程系,北京 100084)& c5 {( N2 A& H. z" R$ A0 y/ q
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
+ A# o: U% l) o( Q( M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 a. a& F# V5 z- { B
NH3、H2和CO等对脱硝效果的影响.
+ J9 ~, f; [% ~0 f' ~关键词:再燃燃料;再燃脱硝;动力学模拟
5 {( n- m+ |! K+ Q; B; ZKinetic model of reburning and analysis of reburnig fuels influences
5 I: F- [ ?- q; k1 n; H. }SHEN Boxiong, YAOQiang (Department ofThermal Engineering, TsinghuaUniversity 100084)
* C# _6 }1 H0 Q; Y+ ?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- Q0 T" ?$ O3 \' e3 R
indicate the chemistry process on the basis of experimental results. The influences for different kinds of reburningfuels includingnatural gas、
/ O! S( I; l& F. Lpyrolysis gas、HCN、NH3、H2and CO are discussed in detailed in this paper.
2 A, w) V' ^3 [ }Keywords:reburning fuel, de-NO by reburning, kinetic model |
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发表于 2009-8-31 12:04:00
