大型天然气制氢工艺仿真培训系统的开发与应用

2912002JOURNALOFBEIJINGUNIVERSITYOFCHEMICALTECHNOLOGYVol.29,No.120023(,100029):,,,EDTF2PR,,,,:;;:TQ018:2001204215:,1975,3,,,(PSA),,,[1,2],,,,,,,Ef2fectiveTemperatureDependentFunction2PR(ETDF2PR),,,1,,,,111,CH4H2H2OCOCO2C2H6C3H8H2SC4C5,[3],,,,,CH4H2H2OCOCO2H2H2O,PRSRKPVT,[4,5]ETDF2PR,[5]11245,CH4H2OH2COCO2,,,[6]r=211104exp-19400RTAp(CH4),700900(1)r=k0exp-36200RTp(CH4)pn(H2),400500,n=1;600,n=015(2):R,T[6],k0A113,,,,,Clapeyron,,ETDF2PR,(TwoTieredApproach),,Clapeyron,11Fig.1Sketchoftwotieredapproach,,,23,,2211,PC,,DCSDCS,22Fig.2Networktopologyofsimulationsystem212,,DCS,CentumXLTDC3000,,:,,,,,,,,,213(3):111:3Fig.3Frameworkofdynamicprocesssimulationforlargenaturalgassteamreformingplant:,,,,;,():,0.532(PC2500)::,,30min:,:,,:,,::,214,,VisualC++610:VisualBasic610:DCS,,TCP/IPWindows9831,,,1Table1Comparisonbetweenthecalculatedanddesigndata/845.15840/364.14360/175.10175/40.0040/MPa2.312.3/MPa0.030.03/MPa3.6053.6/(kg/h)10511000/(kJ/s)13651328/(kJ/s)93009738/(kJ/s)22102093/(kJ/s)50074809/(kJ/s)1065942/(kJ/s)21002200/(kJ/s)17401652/(kJ/s)245237/(kJ/s)17921811H2OCOCO2H2CH4H2OCOCO2H2CH4w/%38.117.595.8545.283.0538.157.685.7345.153.18w/%32.221.7011.7451.173.0532.451.9811.4250.853.18w/%0.3142.8716.9675.143.0270.3252.9216.8675.033.1762120024,,,;,;[1].[J].,1997,26(3):136[2],.[J].,1998,27(4):195[3].[M].:,1988[4],.PR(I)[J].,1991(2):208[5],.PR()[J].,1991(2):217[6].[J].,1982,7(2):1DevelopmentandapplicationofdynamicprocesssimulationsystemforlargenaturalgassteamreformingplantHEXue2wenTIANWen2deYAOFei(CollegeofChemicalEngineering,BeijingUniversityofChemicalTechnology,Beijing100029,China)Abstract:Realtimedynamicprocesssimulationsystemfornaturalgassteamreformingplantwasdeveloped.Thetwotieredapproachwasusedtofacilitatethedynamicprocesssimulationformulticomponentflashwherehydrogenwascontained.Theclapeyronequationwasusedtoestablishtheapproximatemodelforequilibriumco2efficientK.TheETDF2PRequationofstatewasusedtoadjusttheparameters.Itspracticalapplicationshowsthatthesoftwaredevelopedcanbeusedtoguidetheplantoperation,processreformingandtheoperatingparam2etersoptimization.Keywords:naturalgassteamreforming;dynamicsimulation;hydrogenproduction(5)Effectsofcarbonationparametersonsedimentationspecificvolumeofcalciumcarbonateparticlessynthesizedinhigh2gravityreactorSHENZhi2gangCHENJian2fengLIUChun2guangWANGYu2hongGUOFen(ResearchCenteroftheMinistryofEducationforHighGravityEngineeringandTechnology;TheKeyLaboratoryofScienceandTechnologyofControllableChemicalReactions,MinistryofEducation,BeijingUniversityofChemicalTechnology,Beijing100029,China)Abstract:Thespindleshapedcalciumcarbonatenanoparticleswassynthesizedinthehigh2gravityreactor.TheeffectsofcarbonationparametersonthepropertiesofsedimentationspecificvolumeoftheCaCO3productswereinvestigatedandelucidatedbyconsiderationofnucleationandcrystalgrowthkinetics.Thekeycontrollingcondi2tionswereobtained.TheproductqualityandpropertiesoftheCaCO3particlessynthesizedinthehigh2gravityreactorweremuchbetterthanthatoftheCaCO3particlessynthesizedinthetraditionalbubblingstirredtankre2actor.Keywords:particles;spindlecalciumcarbonate;high2gravityreactor;synthesis311: