|
|
马上注册，结识高手，享用更多资源，轻松玩转三维网社区。
您需要 登录 才可以下载或查看，没有帐号？注册
x
多孔陶瓷板燃气燃烧器氮氧化物的排放特性
8 B# @) {5 ^- b) |' s# V, p4 B李艳红1, 胡国新1, 徐吉浣2, 张鹤声25 q8 K$ i4 `5 o0 F
(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)% m. s+ v# e6 X m+ u8 q+ f$ w
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) {# W( E3 F2 ?( X
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
0 y9 N$ ^" C" u( B! \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,
* X. k3 Z$ a- L. i+ J/ E& G( j! `并与数值计算的结果进行了比较.
5 w2 K$ F6 B; d关键词:多孔陶瓷板;燃烧器;氮氧化物( o! Q! j, X) b; c& x: C3 m! ~
中图分类号:TK 124 文献标识码:A3 B* W3 u: b% K% ^1 H
Analysis of NOxEmission of Town Gas) H8 V9 S2 k+ ^* e
Premixed Combustion Within Ported Ceramic Plaque
9 K) g: N; V& g" L% x% LLI Yan-hong1, HU Guo-xin1, XU Ji-huan2, ZHANG He-sheng2
. x1 Y- N" @0 p g1. School of Power and Energy Eng., Shanghai Jiaotong Univ., Shanghai 200030, China;
4 G4 h% \$ Z% _9 a* E$ d2. Dept. of Thermal Eng., Tongji Univ., Shanghai 200092, China
3 T7 I9 Q7 z: _8 N6 x" ~Abstract: The mechanism of NOxformation was discussed while the town gas was combusted with air fully; Q% v; f& `7 y
premixed within ported cereamic plaque. The reason why the NOxemission is low in this kind of burning/ X: `9 ]" [3 n6 L
process was analyzed in details and the NOxemission was predicted numerically on the predicted flame tem-, @8 H, I }, {" x, g5 `
perature profile. Moreover, experiments were carried upon the ported ceramic plaque to measure the NOx
2 J& A# a, L! d7 t6 s7 [; P2 [emission. The numerical results and experimental data are generally in agreement.: o, R5 y, V- z" i: ]3 B
Key words: ported ceramic plaque; burner; NOxemission |
|
发表于 2009-9-17 16:46:14
