循环半干法脱硫系统在改造工程中的应用实践

,,,,,,(,311800):#2(220MW),,:;;;:X701.3:B:1006-8759(2008)02-0028-05APPLICATIONOFRECYCLESEMI-DRYDESULFRIZATIONSYSTEMINMODIFICATIONPROJECTWANGShao-quan,GEJie-long,WANGHui,YANGYong-dong,ZHOUChao-jiong,ZHUMing,FANGPei-gen(ZhejiangFeidaEnvironmentalEngineeringCo.Ltd.Zhuji311800,China)Abstract:Thispaperintroducesapplicationofrecyclesemi-drydesulfurizationanddustremovalsysteminmodificationofJiaozhuopowerplant#2boiler.Comparetheapplicabilityofsomedesulfurizationtechnologiesinmodificationproject,andofferproposalsforselection,designandcommissioningofdesulfurizationanddustremovalmodificationmethod.Keywords:recyclesemi-dry;desulfurization;modification;proposal:2007-11-21:(1972-),,,,,[1],,#2(220MW),1#2(220MW)1,,28.9g/Nm3,98.5%,430mg/Nm3,,,1,46.2m,,,#1#2,EnergyEnvironmentalProtectionVol.22,No.2Apr.,200822220084/%SO2/(mgNm-3)/(mgNm-3)/854005070221(160104m3/h)233.1(/),,,,,,,,,,:,;;,;,3.2,,,,(EBA)(PPCP),(EBA),X,(PPCP)3.3291/SO2/(mgNm-3)/(mgNm-3)O2%CO2/%166182028.97.911.4175691.624.431102038.439.1LIFAC(SDA)LIFAC,,CaOLIFAC,,,,,,65%75%LLBCFB,WulffRCFB,F.L.SmithGSA[2],Ca/S,10m,:/,(SDA),10m,,,,,,,Ca/S,,,,#223302224#2,:,4m1.375m,20.8m,,355.1,:;,,;,,(FLUENT)110,,,,110,,,8mm16Mn,,HARDOX400(1250MPa,430),,,,,,,5.2,,SO2;,,,,,,,,,,1200g/Nm3,,,,6168h,20072313()/(m3h)713572/mgNm350/m213760/80/(mmin-)0.86/170PPS/MPa0.250.35/mm1308000/m3min-1530optipow105/%24,7#2,,,,:(1),;(2);(3);(4);(5),;(6):[1].[Z].[2005]757,2005-0510.[2],.[J].,2001,(4).[3].#2[R].,2007.322224[3]SO2/(mgNm-3)163.8400STP,,6%O2/%91.3485/(mgNm-3)3550STP,,6%O2/73.270()/kW835.41935/(th-1)39.8850.4Ca/S1.2151.22