结垢对催化裂化装置机组运行的影响及对策

:2005204208;:2005207213:,,,1994,,(,113004),,,,,:1,,2003,,,22.1NG32/25/0,200312,:,2.3MPa2.82.9MPa,3.1MPa;0.42MPa,3200t/d,8100r/min,7800r/min,3.5MPa:25t/h29t/h,3.5MPa100t,10000/d,;,:,,,2.23.5MPa,Na+SiO2,,,,,,,,,,,,,,2.3,,,1701801.0MPa,,Na+SiO2,200512PETROLEUMPROCESSINGANDPETROCHEMICALS3612,112004278:30,,2000r/min2025min,Na+SiO222,Na,,,SiO2SiO2,Na,SiO2,;SiO2,Na,,;,SiO2,,2Na+SiO2Na+,mg/L;SiO2,g/L2.44h3.5MPa,2.02.1MPa,29t/h24t/h,33.1,,,E23220031028,,110m,80m,,3.2,,,1m,500650;,,,,,NaSiO2,,3.3,,,,,200311119:00,,,,,530569,,,11,,,9112.1m36.6230.2735.1431.25112.6127.5280.4041.83171.85170.053.4E232:,;,,,,,,,,41.0MPa(170180)(),,,,THEEFFECTSOFFOULINGONTHEMAINENGINESYSTEMOPERATIONINFCCUANDITSCOUNTERMEASURESPanRuofei,WangMinghai(TheNo.2RefineryofFushunPetrochemicalCompany,Fushun113004)AbstractInmanyChineserefineries,Fluidcatalyticcrackingunit(FCCU)isthekeyunittoassurelargeprofitmargin,therefore,itisessentialtoreducethedowntimeoftheFCCUandkeepitingoodconditionsforlong2termrunning.ItwasfoundthatthecausesofunscheduledshutdowninFCCUwerelargelyrelatedwiththefailureofsomemainenginesystem.TheeffectsoffoulingdepositsontherunningofthestreamturbineandthefluegasturbineinaFCCUoftheNo.2RefineryofFushunPetrochemicalCompanywereanalyzed.Thesolutionmeasureswerealsoputforward.KeyWords:catalyticcrackingunit;streamturbine;fluegasturbine;foulingformationYorktown,YorktownGiang(ULSD),520kt/a,IsoThermingMustang,20061IsoTherming:,;,,,IsoTherming,IsoTherming,IsoTherming60%[HydrocarbonProcessing,2005,84(8):23]02200536