电站锅炉低NOX燃烧技术的发展与探讨

NOX,(,210036):NOX,NOXNOX,NOXNOX,NOXNOX:;NOX;:TK22:A:100129529(2002)0520017203DevelopmentanddiscussionoflowNOXcombustiontechniqueforpowerplantboilerGAOXiao2tao,ZHOUJue(TechnologyCenterofJiangsuElectricPowerCompany,Nanjing210036,China)Abstract:TheNOXemissionpropertyofcoal2firedboilerinpowerplantisnotonlyconcernedwithcombus2tiontechnique,butalsowithotherfactorssuchascoalcharacteristics,furnacetemperature,boilercapacity,boilerstructureandoperationparameters.TheNOXformationprincipleandtheNOXreductionapproacheswereintroduced.ThroughtheanalysisofseverallowNOXcombustiontechniquessuchascombustionbystagedairsuppleandstagedfuelsupply,lowNOXburners,itwasconcludedthatthecompoundlowNOXcombustiontechniquewillreduceNOXemissionforboilerinthefuture.Keywords:boiler;lowNOXemission;combustion(NOX),NOX,,,,NOX[2,5]NOX1NOX(NOX)NO,N2ONO2,2NOX,,NOXNONOX3[4]NOX,,,,,5%,NOX,1500;1500,100,67;,,01951500,NOX,NOXNOX,80%90%,,NO2[6]NOX,NOX2003517(0278)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2NOXNOX(NOXOFA)(SCRSNCRSCRöSNCR)NOX,,,(OFA),(),NOXNOXNOX,NOX[1],NOXNOX,,NOX,NOXNOXNOX,()NOXEnergyandEnvi2ronmentalResearchCorporation158MW,NOX,66%NOX,,,3NOX(1),,(OFA)(70%90%),NOX(10%30%),NOXOFANOX(2),(),NOX(N2)NOX,()NOXNOX,,(CmHn),NOXN2,,,(),,,,,80%85%,A1NOX,15%20%,A1,NOX(N2),,NOX,NOX,NOX,,(OFA),NO,,,NOXNOXNOX,50%70%(3)NOXNOX,18(0279)20035©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,,NOXNOX,,,(N2)NOX,NOX,,NOX,NOX,,,NOX,NOXNOXOFA,NOX,NOX74%,,,,,,,,,,,,4,,4,4,NOX,,,NOX(4)NOX,NOX,()NOXNOX,NOX,NOX,NOXNOX,NOXNOX,,(COH2CH4),;NOX(),N2;,,4(1),NOXNOXNOX,(2)NOXNOX,NOXNOX,,NOX,:[1]1[J]1,1998(6)1[2]1NOX[J]1,2000(2)1[3]1NOX[J]1,1998(1)1[4],1NOX[J]1,1995,11(2)1[5]1NOX[J]1,1998(1)1[6]ShinjiKambaraetal.RelationbetweenfunctionalformsofcoalnitrogenandNOXemissionsfrompulverizedcoalcom2bustion[J].Fuel.1995(74)1:2003201207:(19672),,,,NOX2003519(0280)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.