Aspen batch 间歇精馏模拟.pdf

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1、Aspen间歇精馏模拟教程UsethisGettingStartedsectiontobecomefamiliarwiththestepstosetupabatchsimulationusingAspenBatchModeler.Youwillbemodelingasystemtorecovermethanolfromamixtureofmethanolandwater.Theobjectiveistoseparatemethanolfromthemixturewithapurityof99%.Thismixtureisnotidealgive

2、nthepolarityofthemolecules;therefore,foraworkingpressureof1atm,youwillchooseNRTLtomodelitsphysicalproperties.Therearefourstepsinthisprocess.Clickasteptogotheinstructionsforthestep.Step1–SetupthePropertiesforAspenBatchModelerStep2–EnterstructuraldataandspecificationsfortheAsp

3、enBatchModelerblockStep3–EnterOperatingStepsStep4–RunthesimulationandviewtheresultsStep1-SetupthePropertiesforAspenBatchModelerWewanttodefineaPropertiesfilethathasthefollowingdefined.ComponentsPropertyMethodWaterNRTLMethanolTodefinethisPropertiesfile,followthestepsbelow.Tose

4、tuptheProblemDefinitionfilefromwithinAspenBatchModeler:1.StartAspenBatchModeler.2.OntheSpeciesform,clickEditUsingAspenProperties.ThiswillstartAspenProperties.3.EntertheComponents:ComponentIDComponentnameFormulaWATERWATERH2OMETHANOLMETHANOLCH4OTip:YoucanusetheNextbutton4.Clic

5、ktheNextbuttonPropertiesSpecificationsform.5.OnthePropertiesSpecificationsform,inthePropertymethodfield,selectNRTL.Tip:Clickingthepull-downarrowonthefieldandtypingN(thefirstletterofthepropertymethodname)takesyoutotherightchoicemuchfasterthanjustscrollingdownthelonglist.6.Cli

6、ckNextYouaretakentothebinaryparametersforms,whereyoucanviewthebinaryparametersthatwillbeusedforPropertiesCalculations.7.ClickNextYouarepromptedtoclickoneoftheoptionsshownbelow.8.Thereisnoneedforfurtherinput,soclickOKtorunthepropertysetup.9.CloseAspenPropertiesbyclickingFile

7、

8、Exit.Youarepromptedwiththefollowing:10.ClickYestosavethefile.ThePropertysetupisnowcomplete.Step2-EnterstructuraldataandspecificationsfortheAspenBatchModelerblockThecolumnhasbeendesignedasfollows:Configuration10Stages(thisincludeseighttrays,condenserandpot)Vapor-liquidseparat

9、ionPotGeometryEllipticalhead1mdiameter3volumeof1mOverheadTotalCondenserDist