文档介绍：维普资讯
第 38卷第 2期天津大学学报
2005年 2月 University Journal Tianjin of
控制稀燃汽油机NO 排放实验
王天友,刘书亮,关乃佳,许洪军,李兰冬,李兴
(,天津 300072;,天津 300073)
摘要:对一台 NO ,一方面采用稀燃、快燃
(滚流)和推迟点火的可控燃烧新方案来降低 NO 的机内排放;另一方面采用原位合成的分子筛稀燃催化器 Cu—
ZSM5对 NO ,燃油经济性较原机改善 %时,NO 的排放最低可以
达到 133× 220~450 oC之间时,NO 的排放均处于 250×10 以下.
关键词:稀薄燃烧;分子筛催化器;NO 排放
中图分类号:TK14 文献标志码:A 文章编号:0493—2137(2005)02—0129—04
Experimenton Reduction ofNo Em ission ina
Lean-BurnGasoline Engine
WANG Tian—you ,LIU ,GUAN Shu—liang ,XU Nai-jia Hong-jun’,LI Lan—dong ,LIXing
( Key Laboratory of bustion,Tianjin University,Tianjin 300072,China; Combustion,TianjinEngine of (,Tianjin Key Laboratory
of New Catalytic Materials Science,Nankal 300073,China) Materials University,Tianjin New Catalytic of
Abstract:The cylinder a engineemission gasoline Llean—burnpurification
and treatment afterexhaust were the one hand the bustion method used lean—burn,fast
burn(tumble)and delayed ignition to reduce the NOz the other hand it used Cu—ZSM5 zeolite cat— cat— NOz Cu—ZSM5 reduce handto it zeolite burn(tumble)andother the ignition delayed
alyst alystwhich was in—situ synthesis to give the exhau