Aspen模拟反应精馏-radfrac模块.pdf

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1、RadFracforDummies:AHowtoGuideonAspenPlusDISTILLFEEDDISTBOTTOMSThisexamplewillshowhowtouseRadfraconAspenPlustomodeldistillationcolumns.Thefeedshowninthediagramabovewillconsistof50lbmol/hrofMethanoland50lbmol/hrofwater.Apurityof99.5%isdesiredinboththebottomsanddistillatepr

2、oductstreamsusingarefluxratioof1.5.Radfrac©SDSM&T2/35Ifyoudon’tknowhowtologontoAspenPlus,pleaseseethe“GettingStartedonAspenPlus”manual.ChoosetheTemplateOptionClick“OK.”Thiswindowallowsyoutoselectaparticularsimulationoption.Forthisexample,selectthe“GeneralwithEnglishUnits

3、”option.Also,makesurethattheoptionintheRunTypeboxdisplays“Flowsheet”Click“OK”Radfrac©SDSM&T3/35EachtimeAspenPlusisopenedandanewfileiscreatedoranexistingfileisopenedthisloginwindowappears.EnterUnixhostfortheservertype,sylvan.che.sdsmt.eduforthenodename,andyourcorrectUsern

4、ameandPassword.Click“OK”Anotherwindowwillappearindicatingtheconnectionwasestablished.Click“OK.”AspenPlusautomaticallyassignslabelstoeverystreamandblock.Toturnthisoptionoff,clickontheToolsmenuinthetoolbarandselectOptions.IntheOptionswindow,clickonthefoldertablabeled“Flows

5、heet”.Next,clickontheseboxesunderthe"StreamandBlocklabels."Thecheckmarksintheboxesshoulddisappearindicatingthattheseoptionsaredisabled.Click'OK'whenthrough.Radfrac©SDSM&T4/35Tostartthesimulation,clickontheColumnstabfoundintheselectionofpiecesofequipment.Gotothedownarrowt

6、otherightoftheRadFracselection.ClickonFract1,thesecondpicturefromtheleftinthetoprow.Next,movethecursorintothewhiteareaandclickonthedesiredpositionforthecolumn.ApromptshouldappearaskingtoinputtheblockID,forthisexample“Dist”waschosen.TheFeed,DistillandBottomsstreamsneedtob

7、ecreated.Tocreatethestreams,firstclickonthe“MaterialStreams”boxatthebottomleftcornerofthewindow.Redandbluearrowsappeararoundthecolumn.Aredarrowsignifiesastreamthatisrequiredforadesignspecification;bluearrowssignifyanoptionalstream.Radfrac©SDSM&T5/35Clickontheredarrowonth

8、eleftsideofthecolumntoaddyourfeedstream.Forthissimulationthereisonlyonefeedstream,ifthereweremorefeedst