燃煤锅炉烟气脱硝技术浅议

Discussion on Flue Gas Denitrification Technology for Coal Fired Boiler

针对烟气中主要的氮氧化物和二氧化硫的污染情况进行了分析,结合国家的减排政策,阐述锅炉烟气增加脱硝装置势在必行;对国内几种常用并且有效的烟气脱硝技术进行介绍,例如SCR法、SNCR法以及联合脱硝法等,同时对影响烟气脱硝效果的因素进行简单的分析,最后对燃煤锅炉烟气脱硝技术方案选择提出建议。

The current situation of the air pollution in China′s coal fired boiler ,and main nitrogen oxide and sulfur dioxide pollution are analysised .Combined with the national emission reduction policy ,domes-tic several common and effective of flue gas denitration technology ,such as SCR ,SNCR method and SCR＋SNCR etc are introduced ,China′s coal fired boiler flue gas denitrification NO x technology scheme selec-tion and the effect factors of denitrification effect removal are analysised .