|
|
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
# m6 k% f8 t; b& u. g4 y李艳红1, 胡国新1, 徐吉浣2, 张鹤声2+ z% l" H6 {. ^& j
(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)
* l( J1 h$ j9 U% i& F& n/ K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( Y: y) P6 `7 q, @
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5 C; r# d. @0 @! v
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,) T+ v/ ]( n: r+ W/ \+ {
并与数值计算的结果进行了比较.) R, y# u/ }' b) h
关键词:多孔陶瓷板;燃烧器;氮氧化物# L* [% ?8 Z+ |- x* h d
中图分类号:TK 124 文献标识码:A
2 h$ `& p6 U- `) e) U/ AAnalysis of NOxEmission of Town Gas
/ D' k' Q! {$ J5 {Premixed Combustion Within Ported Ceramic Plaque+ Z0 S* G8 g, g( u+ L
LI Yan-hong1, HU Guo-xin1, XU Ji-huan2, ZHANG He-sheng2
2 @6 ~ @, Y( r k6 q0 S1. School of Power and Energy Eng., Shanghai Jiaotong Univ., Shanghai 200030, China;- x& K+ I5 i! V. ^" g+ J. H, f
2. Dept. of Thermal Eng., Tongji Univ., Shanghai 200092, China
) R1 z$ h) T- QAbstract: The mechanism of NOxformation was discussed while the town gas was combusted with air fully
! W: X7 N/ l% `" c# Wpremixed within ported cereamic plaque. The reason why the NOxemission is low in this kind of burning5 D: z& [! a# T3 E
process was analyzed in details and the NOxemission was predicted numerically on the predicted flame tem-+ d. x$ K- z2 y
perature profile. Moreover, experiments were carried upon the ported ceramic plaque to measure the NOx% ?( `! V+ K% H# i$ @( {3 Q
emission. The numerical results and experimental data are generally in agreement.
) L6 _% G9 p5 x1 O, CKey words: ported ceramic plaque; burner; NOxemission |
|