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多孔陶瓷板燃气燃烧器氮氧化物的排放特性2 p. u& S* S2 I0 Q. I
李艳红1, 胡国新1, 徐吉浣2, 张鹤声2$ {% P- d- x8 k7 c: G' ]2 b: `
(1.上海交通大学动力与能源学院,上海200030; 2.同济大学热能工程系,上海200092)
/ F% H) [4 H. Y* L M9 f摘 要:探讨了多孔陶瓷板燃气预混燃烧过程中氮氧化物的生成机理,分析了该燃烧过程中氮氧化
# [ A: C- ~# C" ~物排放量低的原因.在所得到的孔内混合气体温度场的基础上,运用数值计算方法计算了该燃烧过
7 z9 P) r1 u( P& H7 K程中氮氧化物的生成量.同时,利用试验手段得到了多孔陶瓷板燃气燃烧器的氮氧化物的排放量,
; v+ G$ y( ?* ^7 s并与数值计算的结果进行了比较.
; d8 V1 l) p7 f$ [, _关键词:多孔陶瓷板;燃烧器;氮氧化物
0 m- i }1 }; q p. F& D中图分类号:TK 124 文献标识码:A$ j# n& q& d" U) J2 a
Analysis of NOxEmission of Town Gas7 l! S6 S2 m* V" z( E3 F
Premixed Combustion Within Ported Ceramic Plaque8 I. X6 s7 Z+ n. E* ?8 P2 c
LI Yan-hong1, HU Guo-xin1, XU Ji-huan2, ZHANG He-sheng2% q( j* q9 `9 q. o/ w2 {+ s
1. School of Power and Energy Eng., Shanghai Jiaotong Univ., Shanghai 200030, China;7 ^7 E$ r) r4 D
2. Dept. of Thermal Eng., Tongji Univ., Shanghai 200092, China
% ]; q' I+ i% T+ uAbstract: The mechanism of NOxformation was discussed while the town gas was combusted with air fully
( Z2 `, C8 `, h$ Q6 V7 N4 h7 ~1 D: ipremixed within ported cereamic plaque. The reason why the NOxemission is low in this kind of burning
5 s# A: Z8 H" nprocess was analyzed in details and the NOxemission was predicted numerically on the predicted flame tem-
; x: F1 ?5 o" D5 V8 F8 j: ? O' K8 @# Qperature profile. Moreover, experiments were carried upon the ported ceramic plaque to measure the NOx- T: [$ O, z1 Y x
emission. The numerical results and experimental data are generally in agreement.
& O3 L( s) U) wKey words: ported ceramic plaque; burner; NOxemission |
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发表于 2009-9-17 16:46:14
