福建无烟煤循环流化床锅炉炉内脱硫探讨

[]2003-04-25[](E9910027)[](1970-),,,,.[]1007-7405(2003)02-0167-05(,361021)[],,,,,.[];;[]X701.3[]A0,2%4%,,(CFB).,46,1008t/h.,10,75t/h35t/h,,.,,CFB,460t/hCFB1.34105kW,2005.CFB,,,,,,,NOx.SO2,SO220t,2000.,,2005,,SO2.,,.SO2,CFB,CFB.,,CFB,CFB.,CFB,.11.37109t[1],98.3%.82()Vol.8No.220036JournalofJimeiUniversity(NaturalScience)Jun.2003[1,2]1.1Vdaf/%42.3027.607.663.582.843.69:1)(Vdaf),2%4%;2),,900950;3);4),1mm50%,03mm70%;5),,;6),(t1)1100;7);8),1%,.S[2],S:S=[(dw/dt)maxc(dw/dt)meanc]/(Ti2Th):(dw/dt)maxc;(dw/dt)meanc;Ti;Th.,S,S,.2S.2S(10-9)61.7324.5610.328.445.985.36,,,CFB,.,CFBCFB,:,,[3].,CFB.2CFB.,CaCO3.,CO2,Ca2CO3CaO,.CaO,,,,CaOSO2CaSO4,,.,CaCO3600CaO[4],,,CaCO3SO2,CaOSO2,.,,.::CaCO3CaO+CO2():CaCO3+SO2+1/2O2CaSO4+CO2;CaO+SO2+1/2O2CaSO4.:CaSO4CaO+SO2+1/2O2CFB,:(850),,861()8CFB,,CFB.,,,,.33.1,CFB870900,,[5].CFB,800,.,900950,,,CFB950,9501050,[6]75t/hCFB,,,9501030[6].850,850900,920[5],..,,,950,(),,70%,,85%,1%,SO2.3.2CFB,,7108t,,,,200.,,CFB,,.,,,3.1,CFB,,,,CFB.,3300km,,,,CaCO3,,.,:1),,12%34%;2),,,8501050,100,,CFB;3)(1.53),,,[4].,,,,,,CFB.,,,,.,,,9612:,.,,,,,CFB,,,,.3.3(Ca/S)Ca/S,Ca/S,.,Ca/S,Ca/S2.5,Ca/S[5].,,,,,;,pH;CaONOx.,Ca/S,1.53.0.CFB,,3.13.2,,.,Ca/S,,.Ca/S2.53.5.,,SO2CaO,,,,Ca/S,,,.CFB,[6],,Ca/S,,.,Ca/S,2.03.0.3.4.,200ms,CaO,,SO2CaSO4,CaO,SO2CaO,,.,,,SO2CaO,,,,,SO2O2,.CFB,.,,,,,,.CFB,,.,.,,,,,,,[6].,CFB,,,,,,,.,CFB071()8,,.,,0.10.3mm,0.1mm5%.,,,,,,0.10.5mm.4,CFB,.,1998CFB,[6].CFB.CFB,,,SO2,,CFB.CFB.,,950,,Ca/S,70%,SO2.,,,.[][1],.[J].,2000,(3):14217.[2]1[M].:,2002.78282.[3],,,.[J].,2002,(1):225.[4],,,.[J].,2002,(3):2752279.[5],,,.[M].:,1998.[6],.[J].,2003,(1):7211.TheDiscussionAboutSulpherCaptureintheCirculatingFluidizedBedBoilerFiringFujianAnthraciteZOUZheng(SchoolofMechanicalEngineering,JimeiUniversity,Xiamen361021,China)Abstract:AccordingtothecharacteristicofFujiananthracite,severalissuesarequestionedinthispa2peraboutsulphercaptureintheCirculatingFluidizedBed(CFB)boiler.Themainopinionsaresuggestedaboutthematchoftemperature,theselectionofsorbents,theselectionofCa/Smolarratioandparticlesizeofsorbents.ToprompttheutilizationofthisefficientmethodofsulphercaptureinFujianprovince.Keywords:sulphercapture;Fujiananthracite;CirculatingFluidizedBed(CFB)boiler1712: