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再燃脱硝的动力学模拟和组分影响分析3 s/ b" j# i) D1 L+ X8 i
Z2 H/ }" C0 \沈伯雄,姚 强 (清华大学热能工程系,北京 100084)
& i8 c0 U' Q8 w9 P& r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
# u# J3 y. I! o5 A4 d2 t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 J6 v3 U% }9 ?+ t
NH3、H2和CO等对脱硝效果的影响.
. m4 G) j! F |/ ^) N" [关键词:再燃燃料;再燃脱硝;动力学模拟
: R; C5 J& X5 iKinetic model of reburning and analysis of reburnig fuels influences
' s- Q7 B* q S5 _: h) YSHEN Boxiong, YAOQiang (Department ofThermal Engineering, TsinghuaUniversity 100084)
4 ^2 D+ I0 x! J3 C8 `$ OAbstract: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 ~* L8 }6 [# ~" sindicate the chemistry process on the basis of experimental results. The influences for different kinds of reburningfuels includingnatural gas、& w, L+ W1 `% y
pyrolysis gas、HCN、NH3、H2and CO are discussed in detailed in this paper.
1 o9 K! |9 n, X. _% V& }7 O5 R3 JKeywords:reburning fuel, de-NO by reburning, kinetic model |
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发表于 2009-8-31 12:04:00
