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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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沈伯雄,姚 强 (清华大学热能工程系,北京 100084)
) ?: b9 M& V2 S$ c7 n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
5 l# T% }) @5 K2 b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、! G7 t/ [% t' n" A- {, n: C
NH3、H2和CO等对脱硝效果的影响.# J5 k4 Y4 w8 [; e
关键词:再燃燃料;再燃脱硝;动力学模拟; z B& X3 R, f5 I" G
Kinetic model of reburning and analysis of reburnig fuels influences. ^/ A! H8 H- v3 N' h! d
SHEN Boxiong, YAOQiang (Department ofThermal Engineering, TsinghuaUniversity 100084)
- V/ P! h( o9 ~+ D. C2 n' W IAbstract: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
6 e8 P/ ]) }- e5 Yindicate the chemistry process on the basis of experimental results. The influences for different kinds of reburningfuels includingnatural gas、
( d$ l2 H% J" s4 \' Bpyrolysis gas、HCN、NH3、H2and CO are discussed in detailed in this paper.$ Y8 W) b1 T' n4 |9 \+ E6 M( y
Keywords:reburning fuel, de-NO by reburning, kinetic model |
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发表于 2009-8-31 12:04:00
