煤炭转化2017，Vol.40Issue(2)：36-41,6.
O2/CO2气氛下煤与生物质混燃NOx的排放特性
NOx Emission Characteristics of Coal and Biomass Co-firing in O2/CO2 Atmosphere
摘要
Abstract
NOx emission characteristics of different kinds of coal (lignite,bituminous coal,lean coal and anthracite) / biomass (rice husks) blends combustion were studied using drop tube furnace.The effects of atmosphere,blending ratio of biomass,oxygen volume fraction on NOx emission characteristics were investigated in details.Experimental results show that:NOx emissions present a trend of firstly increasing and then decreasing for different coal/biomass blends along the furnace height.NOx emission of bituminite/rice husk co-combustion is the highest in the atmosphere of 20％O2/80％N2.NOx emission in O2/CO2 atmosphere is lower than that in O2/N2 atmosphere in the condition of 20％ oxygen volume fraction;with increasing of the blending ratio of biomass,NOx emission gradually decreases,and that decreases most significantly for the lignite and biomass co-combustion,which decreases from 130.029 mg/m3 to 49.674 mg/m3 in the atmosphere of 20％O2/70％CO2;with the oxygen volume fraction increases,NOx emission increases.When the oxygen volume fraction increases from 20％ to 30 ％ in O2/CO2 atmosphere,the increase of NOx emisson of bituminous coal reduces,however the increase of NOx emission of rice husk/bituminite co-firing improves.关键词
生物质/混燃/O2/CO2气氛/滴管炉/NOx排放Key words
biomass/co-firing/O2/CO2 atmosphere/drop tube furnace/NOx emission分类
化学化工引用本文复制引用
王廷旭,匡思维,方庆艳,马仑,张成,陈刚..O2/CO2气氛下煤与生物质混燃NOx的排放特性[J].煤炭转化,2017,40(2):36-41,6.基金项目
国家自然科学基金资助项目(51676076). （51676076）
