烟煤机组掺烧褐煤对污染物排放的影响分析  

Influence of blended combustion of bituminous coal and lignite on the pollutant emission

作　　者：孟繁兵 高松 孟祥庭 MENG Fanbing;GAO Song;MENG Xiangting(State Grid Heilongjiang Electric Power Co.,Ltd.Electric Power Research Institute,Harbin 150030,China;International Business College,Dongbei Universiey of Finance and Economics,Dalian 116025,China)

机构地区：[1]国网黑龙江省电力有限公司电力科学研究院,哈尔滨150030 [2]东北财经大学国际商学院,辽宁大连116025

出　　处：《黑龙江电力》2018年第5期453-455,466,共4页Heilongjiang Electric Power

摘　　要：为适应环境保护要求,通过热力试验,分析某电厂掺烧褐煤对污染物排放的影响。试验结果表明,褐煤所占混煤50%左右时,锅炉效率最高。随着炉内含氧量的增加,烟气中H_2S的含量逐渐降低。贴壁风对H_2S的生成有很大影响。降低炉膛内氧气含量,可以降低SO_2及NO_x的生成量。倒塔配风方式下SO_2及NO_x的生成量最低,腰鼓配风方式下SO_2及NO_x的生成量最高。In order to meet the requirements of environmental protection, the influence of burning lignite in a power plant on pollutant emission is analyzed through thermal test. The results show that： When lignite accounts for about 50% of the blended coal, the boiler efficiency is the highest. With the increase of oxygen in the furnace, the content of H 2S in flue gas gradually decreases. The air closing to wall has a great influence on the generation of H 2S. With the decrease of the oxygen in the furnace, the generation of SO 2 and NO x both decrease. The production of SO 2 and NO x is the lowest under the inverted tower air distribution mode, and the highest under the waist drum air distribution mode.

关 键 词：褐煤 烟煤 H2S S02 NOx 

分 类 号：TQ534.9[化学工程—煤化学工程]