硫磺尾气处理装置腐蚀与防护技术

2006292ENVIRONMENTALPROTECTIONINPETROCHEMICALINDUSTRY61(,255434):,,,,:;;;,,,,40,,,1111,H2SSO2COSSxCO2H2O,,SO2,SSO2COSCS2,(01020103MPa),,H2S,,H2S,H2S,300mL/m3,SO2960mg/m3,[1],11(v%)H2SSO2COSCS2CO2H2OO2N2H2S0181014301020103814531163561901169010401031111261338016611860102101019151112979117112,,;;[2]2211,H2SSO2:2006-01-18:(1964-),,,0533-757157462200629,,310,,,,,,,,[3]212SO2-CO2-H2O21211,,,1994,C-301,,DN806,,,,P-301,P-301C-301,,,,,39mm70mm18-8,1995,18-8,1998,,:,21212(1)SO2,SO20,,SO2,,,pH,pH615,SO2:a),,SO2b),SO2CO2c),,SO2d),,,H2S/SO2H2,,SO2,,SO2,,,:SO2+H2OH2SO3H2SO3+FeFeSO3+H2(2)CO2CO2,,,H2CO3,,:CO2+H2OH2CO3H2CO3+FeFeCO3+H2(3),,SO2,H2SO3,,,SO2SO2,213SO2-O2-H2O,SO2SO3,,,SO2O2SO3,,,:SO2+1/2O2SO3SO3+H2OH2SO4,FeSO4,SO2O2Fe2(SO4)3,Fe2(SO4)3SO3(pH3),Fe2(SO4)3,FeSO4,,,2.63,58m,,:a),,b),,,,,c),(),,,,SO2H2SO3,214RNH2()-CO2-H2S-H2O,,,10mm,4,215mm/a,-,,CO2,,:Fe+2CO2+2H2OFe(HCO3)2+H2Fe(HCO3)2FeCO3+CO2+H2OCO2,:H2CO3+FeFeCO3+H2,FeS,,,,FeS,215H2S,H2SH2S,,90,pH10330,,:;;[4]311(1),;,,SO2,150300270180,(2),,(3),,;,,019m/s,,115214m/s312(1),,SO2,SO2,pH7;,,,642006292%Na2CO3,(2),,H2S/SO2H2,H2S/SO2,,H2S/SO2,SO2,,SO2,SO2,;pH,(3),,;,01150120mol/mol;MEADEADIPAMDEA,,,127,014015MPa140150,110MPa,;,100,313(1),,,-,,(2)H2S90pH=1012,,HB200(3)209009CrCuSb(ND),,ND(70,50%H2SO424)2,ND,ND,,,2ND20GCRIA()TP321/mgcm-2h-1713103151314211711411811842197,,,,67,[5]4(1),,(2),(3),,,111:,1996211:,2000311:,2003411:,2004511:1(),20011211215ABSTRACTSENVIRONMENTALPROTECTIONINPETROCHEMICALINDUSTRYStartedPublicationin1978,Quarterly110June12006Vol129No12Total114thSUMUPTHEAPPLICATIONOFSOURGASPRODUCINGSULFURBYDRIEDMETHODFengFengquan,SINOPEEJinmenBranch,Jinmen,Hubei,448039.YaoXuelong.SINOPECNanjingChemicalDesignInstitute,Nanjing,Jiangsu,210048Abstract:Thedesignfeatures,start-up,andrun2ningof50kt/asulfurunitwithsourgasdriedmeth2odofJinmenBranchaswellastheproblemsencoun2teredduringoperationandtheirsolutionareintro2ducedinthisarticle.Keywords:SulfurProducedbySourGas,Unit,CharacteristicsofFeed,DesignandOperationCLEANPRODUCTIONPLANT-IGCCHASBROADFUTUREWeiZhenjun,HuDeming.SEI,Beijing,100101Abstract:IGCCtechnologywasspreadin1980sthatistechnologytorealizecleanproduction.Sincepoorproductssuchasbitumen,residueandhigh-sulfurcokefromrefinerycanbetreatedforpurposetorea2lizecleanproduction,IGCCplantthattakespetro2leumcokeasgasifiedfeedstockhasbroadfuture.Keywords:PetroleumCoke,IGCC,CleanProduc2tionCORROSIONOFSULFURANDTAILGASTREATMENTPLANTANDITSPROTEC2TIONTECHNOLOGYLiXuexiang.ShandongSanweiPetrochemicalEngineeringCorporation,Zibo,Shandong,255434Abstract:Thisarticlesetsforthcorrosionproblemoftenhappenedinsulfurandtailgasproposalplant,alsointroducesthesituationandprogressofcorrosionprotectiontechnologywhileputtingforwardtherefer2encesuggestionforcorrosionprotection.Byadoptingappropriatecorrosionprotectionstructuraldesign,advancedcorrosioncontrol,strictoperationandappropriatematerialselection,canrestrictcorrosionintheunit,whichensuresenvironmentprotectionandsafetytomeetrequirement.Keywords:SulfurRecovery,TailGasTreatment,Corrosion,Protection,Restraint2006:2006: