摘要
采用SNCR-布袋除尘-引风机-湿式钙法脱硫塔-烟囱的工艺对谢一矿3×25 t/h链条锅炉烟气进行净化处理,烟气经净化后的脱硫、除尘、脱硝最低效率分别为90%、99%、25%,满足修订后的《锅炉大气污染物排放标准》(GB13271-2014)。经济效益分析表明,该工艺每年可脱除二氧化硫1 452吨、烟尘2 661吨、氮氧化物54吨,免交排污费233.94万元,社会、环境和经济效益显著。
The flue gas purification process of SNCR - bag filter - induced draft fans - wet calcium desulphurization tower - chimney was used for treating the chain boiler with scale of 3×25 t/h in Xieyi coal mine. After purifying the boiler flue gas, the lowest removal rate of desulfurization, dust removal and denitration were 90 %, 99 % and 25 %, which satisfied the revised emission standard of air pollutants for coal-burning （GB13271-2014）. Economic benefit analyses show that the flue gas purification process can remove the sulfur dioxide, dust and nitrogen oxides at 1 452 t, 2 661 t, and 54 t. As a result, the pollution charge of 2,339,400 yuan can be saved.and the coal mine can obtain outstanding benefits of society environment and economy.
出处
《能源环境保护》
2017年第1期48-51,47,共5页
Energy Environmental Protection
关键词
锅炉烟气
湿式钙法脱硫
布袋除尘
SNCR
Boiler flue gas
Wet calcium desulfurization
Bag-type strainer
Selective non - catalytic reduction
