大型贫煤和烟煤锅炉NOx排放特性的研究

NOxStudyoftheNOxDischargeCharacteristicsofLargeLeanandBituminousCoalBoilers(430074)2300MW(WR)NOx2NOx,NOxWRNOxABSTRACTThepropertyofNOxemissionsoftwoboilers(usedtheWRburners),alternatelycombustingsemi2anthraciteandbituminouscoal,wasinvestigated.TheauthersstudyandanalysethedifferenceofNOxemissionsbetweentheboilers(runninginfullloadandlowload),andpresentthereasonswhytheNOxemissionsoftheboilercom2bustingsemi2anthracitecoalismorethanonecom2bustingbituminouscoal.KEYWORDSWRburnerNOxdischargeleancoalfiredboilerbituminonscoalfiredboiler(NOx),,,,,NOxNOx,NOx1996:300MWNOx650mgöm3,6001200mgöm3()300MWNOx,NOx460800mgöm3,NOx7501000mgöm3,,2NOx,NOx300MW350MWNOx,NOx2NOx121.1,112Cyö%Vrö%Ayö%Wyö%Nyö%QydwökJõkg-158.7218.026.656.981.122294547.8032.3119.779.610.79224421.221222WRWR8306mm9986mmABCD(4)ABCDE(5)ABCDOFA(5.26%)(14.0%)4413,15301Vol.22.4Dec.1998224199812©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(a)(b)1CE22NOx2.1NOA2305NOxNOx,POT2101O2COCO2O2DragerMSI2500PTNOxCOCO2O2,,,6%NOx(NO2),mgöm32.222.2.12NOx223NOx,,,(a)(b)2NOx2,,,2NOx3.65%4.9%,NOx835.6mgöm3886.2mgöm32.35%3.95%,NOx736mgöm3835mgöm3,,,2224199812Vol.22.4Dec.1998©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,NOx,NOx,,NOx2,NOx,2,VN,,CN,,,,WRNOx,,,,360m2,NOx,(260)(390)(80)(260),NOxOFA3.05%,OFA11.45%,,NOx,AA,2CEWR,,,,q4,q2,(q4+q2),,,,q4,,NOx,2.2.22NOx32NOx,NOx,NOx,NOx,,NOxNOxNOx,NOx(a)(b)3NOx3(1)NOx,NOx,,,NOx,,NOx,(2)NOxNOx,QHVN,CNCNNOx,,WRNOx,,QH,,OFA,NOx(3)NOxNOx,NOxNOx,,,NOxNOxWRNOx,NOx,300600MW(:1998204207)3Vol.22.4Dec.1998224199812©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.