SNCR烟气脱硝技术在330MW级CFB锅炉的应用_韩应

SNCＲ330MWCFB櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰櫰毱毱毱毱SNCＲ330MWCFB1111221．1000982．1347001180t/hCFBSNCＲCFBNOxNOx300mg/m350mg/m380%1.51.5mg/m3100%。SNCＲ、。330MWCFBCFB。SNCＲX701．7A1006－6772201306－0085－04ApplicationofSNCＲfluegasdenitrationtechnologyin330MWCFBboilerHANYing1GAOHongpei1WANGHaitao1LILi1WANGＲunxi2SONGXiaogang21．ChinaHuanengCleanEnergyＲesearchInstituteBeijing100098China2．HuanengBaishanCoalGanguePowerGenerationCo．Ltd．Baishan134700ChinaAbstractOwingtoSNCＲfluegasdenitrationtechnologyandcombustioncontroltechnologyforCFBboilertheNOxconcentrationdischargedby1180t/hCFBboilerdecreasefrom300mg/m3tolessthan50mg/m3．Thedenitrationefficiencyisabove80percenttheratioofammoniatonitrogenislessthan1.5ammoniaescapevaluecanbecon-trolledunder1.5mg/m3automaticfeedingrateis100percent．ByoptimizingoperatingparametersofSNCＲsys-temgettheoptimumureafeedingconcentrationandratioofammoniatonitrogenwhichguaranteetheeconomyandstabilityofdenitrationsystem．Thistechnologyisfirstusedin330MWCFBboileritsoperatingexperienceprovidereferenceforreducingNOxconcentrationdischargedbyCFBboiler．KeywordsSNCＲdenitrificationtechnologyCFBboilerNOxdenitrificationefficiency2013－10－221981—、、、。[e-mail]。．SNCＲ330MWCFBJ．201319685－88．58DOI:10.13226/j.issn.1006-6772.2013.06.012《》20131960《》GB13223—20112012－01－01NOx100mg/m3W、CFBNOx200mg/m36%O21。CFBNOxCFBNOx150～350mg/m32CFB、。CEＲI201211SNCＲ3330MWCFB。80%。1CEＲISNCＲ1．1NOxSNCＲNOx。、、NOx30%4。1CFBNOx//、、NOx20%～30%。1CFBNOx1．2SNCＲ、、。25。2NO。。。NOx。。31MWCFB61.5800～1100℃50%850～1000℃80%7。68SNCＲ330MWCFB3SNCＲSNCＲ、。1．3SNCＲCFB900～950℃、20～30m/s、1kg/m3、、、。CEＲI、、8CFB、、。2SNCＲ2．1、。NOxNOx9。SNCＲ104。4SNCＲ2．2SNCＲ221.1MWNOx215mg/m35。SNCＲNOx。24hNOx30.2mg/m341.0mg/m3NOx83.6%。6305MWNOx71.0mg/m371.6%。5SNCＲ690%SNCＲ2．37200MW1.01.31.5。77NH3NOSNCＲ。78《》20131962．4、、。SNCＲ8180MW8%1.71.7。NOx1.7。89250MW8%1.578.60%。1.8。98、9NOx1.7。2．5≤8mg/m3。10SNCＲ168hNH31.24mg/m300.5mg/m3。NOx。103330MWCFBSNCＲNOx50mg/m380%1.24mg/m38mg/m3100%CFBCFB。1GB13223—2011S．2．M．2009．3．SNCＲM．2012．4．NOxJ．2012312－14．5HJ563—2010S．6．CFBSO2/NOxＲ．2012．7．CFBSNCＲＲ．2012．8．ZL20122024163．5P．2012－12－19．9．Ｒ．2012．10．2×330MWCFBＲ．2012．88