美国切圆火炬燃烧锅炉运用集中燃烧技术治理NOx排放

:10072290X(2003)0220001204NOx(,350007):LansingSmith180MW593t/hABB2CENOx(LNCFS)NOx,LNCFSNOx:;;NOx;:TK223123;X773:AApplicationofconcentricfiringtechnologyincontrollingNOxemissionoftangentialfiringboilersinAmericaHUANGShao2e(FujianPowerTest&ResearchInstitute,Fuzhou,Fujian350007,China)Abstract:Concentricfiringtechnology(researchedbyABB2CE,Inc.)isappliedto593t/htangentialfiringboilerof180MWunitforcontrollingNOxemissioninLansingSmithThermopowerPlant,America.Theprincipleofthetechnologyisexpounded,theNOxreducingeffectofthethreeLNCFS(lowNOxconcentricfiringsystem)approachedandtheconstruc2tioncostsofthreeboilerremodelingschemesanalyzed.Keywords:boiler;concentricfiringtechnology;NOxemission;control,10GW,75%,90%SO2NOx,,NOx,NOx1996GB132231996,1000t/h,NOx,,,,:2002207205NOx,,,NOx(cleancoaltechnology,CCT)15,NOxLansingSmith180MWNOx(LNCFS),(LNCFS2,LNCFS2LNCFS2),,LNCFS2NOx720mg/m3410mg/m3,1990,2000NOx467mg/m31162Vol116No1220034GUANGDONGELECTRICPOWERApr12003©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.1LNCFSNOx2NOx,NOxNOx(N2),()NOx,,1500,NOx;,NOxNOx80%,,NOx,()NOx,NOx5%NOx,NOx,(,),,,(),NOx:(overfireair,OFA),,,()NOx,,,,()()11;2;3;4;5;6(1),,(),,,,,,,,,,,NOx(LNCFS2)NOx,,,,,,CONO,NOx2180MWLNCFSNOxABB2CE(Com2bustion2Engineering,Inc.)LansingSmithNO12180MWLansingSmithBayCountyNO12,1967,593t/h,1214MPa,538,538,():919%,815%,3516%,2716MJ/kg,218%,4%32,5,,19762112(a)(),,,,q4=418%,90%((O2)=317%,CO216©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(CO)=10-7)2LansingSmithNO121;2;3;4,NOx01267g/MJ,NOx(NOx)720mg/m3(0,10113kPa,(O2)=6%NO2)80%,(NOx);56%,NOx01254g/MJ,(NOx)680mg/m3,360g/kWh,1990()NOx(19962000),,NOx01194g/MJ((O2)=6%,(NOx)=540mg/m3);(2000),NOx01172g/MJ((O2)=6%,(NOx)=470mg/m3)3,ABB2CESCS(,SouthernCompanyServices,Inc.)NOx212LNCFS2LNCFS22(b),,LNCFS2:35,516;q4416%,,(O2)=312%,(CO)=1210-69012%;,359g/kWh;NOx50%,01176g/MJ((NOx)=490mg/m3),01193g/MJ((NOx)=520mg/m3)213LNCFS2LNCFS2,ABB2CE,,LNCFS2(2(c)),(,),LNCFS2:,(O2)=415%,(CO)=2210-6,q4412%;,LNCFS2;,;,8917%,361g/kWh;NOxLNCFS2,01176g/MJ,(102MW)01202g/MJ,NOx214LNCFS2LNCFS2(2(d))LNCFS2,LNCFS25132:NOx©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,1,31,:,NOx01155g/MJ,,(NOx)42%:(56%),NOx01185g/MJ((O2)=6%,(NOx)=500mg/m3),;,q4519%,89185%,LNCFS20115%;36015g/kWh,LNCFS20118%160200MW,;80MW,819,,(O2)=413%,(CO)=3310-6,3LNCFS2NOx,,,,:a)LNCFS2,,,515/kWb)LNCFS2LNCFS2,1525/kW(1993)1tNO2,LNCFS2103,LNCFS2444,LNCFS2400(1993),25950MW600,,2000,ABB2CE116(LNCFSTMTFS2000TM),25GW:[2].NOx[J].,2001,22(3):133136.[3].[J].,1999,15(4):3437,48.:(1933),,,,,,,112MW,(CSIRO)3,CSIRO,2075%CSIRO,,;:,,,617%,517%:700kt,,,,()416©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.