石灰石--石膏法烟气脱硫工艺设计

:1005-7854(2008)01-0092-04-(,100044):-,,,:;;;;:X701:APROCESSINGDESIGNOFLIMESTONE2GYPSUMFLUEGASDESULFURIZATIONZHANGLi2hong(BeijingGeneralResearchInstituteMiningandMetallurgy,Bejing100044,China)ABSTRACT:Thisarticleintroducestheprinciple,statusandcharacteristicsoflimestone2gypsumfluegasdesul2furization1Expatiatesthedesignfeature,technologicalflowsheetandequipmentselectionofTonglingpowersta2tionsprocessingdesign1Analysestheproblemsofthedesign,andsomesuggestionsarepresented1KEYWORDS:limestone;gypsum;powerstation;fluegas;desulfurization:2006-11-15:,,SO2,,,,,,:()/,,,,,,,-(),(),,HCL,HF,SO3,:,(Ca/S=1,90%),(90%),(90%),(),(),,/,,,,17120083MINING&METALLURGYVol.17,No.1March2008©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:2007720Nm3/h(O2);O2:4168%(O2);SO2:01071%(O2);:125mg/Nm3(O2);:122(170);SO2:11215mg/Nm3(O2);:31125mg/Nm3(O2);:75mg/Nm3();:95%();:1102;:21215L/h(10%)112(1)-,(2),GGH(3)(4),(5),(6)2(7)2,3-,,SO231112FGD,,FGDFGD,FGD100%,,,,,FGD,,FGD,170,,FGD75s,1520s,11GGH1FGD1FGD1FGD130%ECR100%BMCR,:10%,10,20%86%GGH,1%,80GGH1,PLCGGH,,,GGH,100%,,,25s,15s(2,2100%,11)39:-©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(:),SO2312SO212,,,,::2CaCO3+H2O+2SO2=2CaSO31/2H2O+2CO2(1):2CaSO31/2H2O+O2+3H2O=2CaSO42H2O(2),,GGHSO2:,FRP,FRP,33,,(2,2100%,11)2,,pH,3131#2#,,71087t/h31311(63m),809m3(2BMCR3d)31312(63m),,,11m,9m,2,2,(),,,7m,516m25%28%(wt),,4,22,,2613t/h(2016m3/h)313131,2BMCR5,206m32(11),100%BMCR3141#2#,(CaSO42H2O),(MgSO4,CaCl2),(Ca2CO3),(CaF2),,10%,,49©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:(1)FGD;(2)(GGH)(,);(3);(4)2,110m32,11,2FGD100%BMCR;1(),,20t/h216t/h316,8h,8hFGD,,,3m3m3m,,,317,0150165MPa,14m3,5Nm3/min4(1)GGH,(2),,,(3),,,:1-[EB/OL]1(2005-04-27)[2006-1-6]©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.