原油常减压蒸馏过程流程模拟

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(2007)02-0034-061,2,1(1.,116024;2.,121001):,,,MESH,Pro/II,,,,:;;:TQ342.206;TP311.56:AFlowSimulationofAtmosphere-VacuumDistillationforCrudeOilGEYu-lin1,2,SHENSheng-qiang1(1.SchoolofEnergyandPowerEngineering,DalianUniversityofTechnology,DalianLiaoning116024,P.R.China;2.DesignInstituteofJinzhouPetrochemicalCorporation,JinzhouLiaoning121001,P.R.China)Received8January2007;revised11April2007;accepted18April2007Abstract:Newflowwasneedtoberearrangedinordertosatisfytherequirementoftechnologyduetothereconstructionofatmosphere-vacuumdistillationequipmentforenlargingworkingabilityinthepresentcondition.Basedonthefundamentalofdistillation,MESHmodelincludingequationsofmassbalance,phaseequilibrium,molefractionsummationsandheatbalanceforatmosphere-vacuumdistillationcolumnwasestablished.ThekeyparametersuchastemperatureandpressureofproductwasobtainedthroughsolutionofthemodelonPro/IIplatform.Thecomparisonofsimulationresultswithrequirementofspottechnologywasanalyzed.Goodagreementbetweentheresultsofsimulationandrequirementofspottechnologyapprovesthatthemodelisvalidandtherearrangementofflowsatisfiestherequirementoftechnology.Theprofilesoftemperatureandrateofvaporandliquidversustraynumberreflecttheinfluenceoffeeds,products,andcoolingcycleinthemiddleofcolumnsonprocessofdistillationverywell.Keywords:Crudeoil;Atmosphere-vacuumdistillation;FlowsimulationCorrespondingauthor.Tel.:[phone];fax:[phone];e-mail:[e-mail][1-2],[3-4],,[5-7],,(MESHMassbalances,Equilibriumrelations,molefractionSummationsandHeatbalances):2007-01-08:(1963-),,,,:(2005224001)[6,8-9],MESH,Pro/II,11A1LH,A1SHL,A1DUBAA1SD4S23M1TQHRTHHR©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(MESH)5,Fig.2Themodelofplateinthedistillationcolumn2,,Pro/II[9],SPR,API,PRETROGlitsch532.©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(kgh-1)A1LH5422812500.95630A1SHL542562500.89200A1DUBA5421125000.91480A1SD5421125000.84180S2354256251.000002Table2Basicdataofeachdistillationcolumn20461016439204610/MPa0.1300.1270.005/MPa0.1500.1480.007/4040--S11S14S27J1XJ2XJ3XJ4X-10223224683Table3BasicdataofeachsidecolumnSS1SS2SS3443111-43/MPa0.1240.1380.143921314Table4Basicdataofpumparounds514262466320©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(kgh-1)8.01041.21051.2105---/MPa1110.00600.00650.0070/kJ----2.09107-2.09107-2.09107/6580956080100:3,,,4,,,,,,,5,,,5Table5Comparisonofkeyparameterbetweensimulationresultandspottechnologicalrequirement/117.2117138/MPa0.1310.130.14/236.3230248/MPa0.1500.1510.160/245245250/MPa0.1500.1450.152/403841/MPa0.1270.1250.140/354.3348.5355.3/MPa0.1470.1220.150C1X/188.0173.4189.5/MPa0.1240.120.13C2X/267.98258269/MPa0.1380.1340.140C3X/327.7326.9334.6/MPa0.1430.1410.150732.©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(a),,,,1,16,,,,,3(b),13,16,,,,,,4(a),,,,1,43,,10,2232,3(4),,,4(a)(a)(b)Fig.3Temperatureandratedistributionofvaporandliquidintoppingdistillationcolumnwithtraynumber34(b)4(b),10,2232,,3,,,438320©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(a)(b)Fig.4Temperatureandratedistributionofvaporandliquidinatmospheredistillationcolumnwithtraynumber45(a),,,,,5(b),,2,4,68(4),(a)(b)Fig.5Temperatureandratedistributionofvaporandliquidinvacuumdistillationcolumnwithtraynumber5[1]AlfradiqueMarceloF,MarceloCastier.Modelingandsimulationofreactivedistillationcolumnsusingcomputeralgebra[J].Computersandchemicalengineering,2005,29:1875-1884.[2],,,.[J].,2006,19(2):34-37.[3]CardosoMF,SalcedoRL,deFeyoAS,etal.Optimizationofreactivedistillationprocesseswithsimulatedannealing[J].Chemicalengineeringscience,2000,55:5059-5078.[4]HenrionR,MollerA.Optimizationofacontinuousdistillationprocessunderrandominflowrate[J].Computersandmathematicswithapplications,2003,45:247-262.[5].[J].,1995,12(1):1-6.[6]LidaYang,ChuangKT.Anewapproachtosimulationofdistillationinpackedcolumns[J].Computersandchemicalengineering,2000,24:1843-1849.[7]DeirdreDiamond,TristanHahn,HansBecker,etal.Improvingtheunderstandingofanovelcomplexazeotropicdistillationprocessusingasimplifiedgraphicalmodelandsimulation[J].Chemicalengineeringandprocessing,2004.43:483-493.[8]ShyamsundarV,RangaiahGP.Amet