復(fù)雜精餾系統(tǒng)仿真平臺開發(fā)研究.pdf

1、沈陽化工學(xué)院碩士學(xué)位論文復(fù)雜精餾系統(tǒng)仿真平臺開發(fā)研究姓名：孟艾申請學(xué)位級別：碩士專業(yè)：化學(xué)工藝指導(dǎo)教師：譚學(xué)富20040302AbstraetABSTRACTDistillationoperationappliesfarandwidetooilrefining，chemicalandpetrochemicalindustryetc，thustheresearchtodistillationisalwaysallimportantfiel

2、dinthedomainoftheoryandapplicationsEnergysaving，qualityenhancingandpollutionreducingateallmakingpressingrequesttothetechniqueimprovementondistillationoperationwhereasexactcomputersimulationisthefcIundationtothisimproveme

3、ntⅢsdissertationiSconcernedwithstudiesonsimulationplatformofcomplexdistillationprocessThcmaincontributionsandresultsareasfollows1Anewnonequilibriumstagemodelforcomputersimulationofmulticomponentdistillation，designatedast

4、wo—zonenonequilibriummodel，isdevelopedonthebaseoftheanalyzingoftheexistingmodelingmethodsandthenewachievementoftheliquidvelocityfieldInthismodel，theproblem，thattheresultofKrishnamurthyandTaylor’nonequilibriummodelapplyin

5、gtothetowerwithlargediameterisrelativelyinaccurate，issolvedbydividingthetraysintotobodyzoneandcirculationzone，whichisaccordingtotherealliquidvelocityfieldAtthesametime，pointemciencyisusedindescribingthetransferprocesseso

6、nrealtrayssothatthecomputationsofstageefficiencyaleentirelyavoidedand，consequentlyitcanmakethesimulationresultmoreaccurately111etwofactorsmentionedaborereflecttherealoperationandthereforecanrepresentthedistillationproces

7、seswithbeRergeneralityandrobustnessSimulationonindustrialpropylenedistillationcolumnshowsthatthecaleulatedresulthaspreferableagreementwiththeplantdataandatthesametime，ithassimplestructureandconvergentstabilitywhichmakeit

8、selfmoresuitableforindustrialapplications2Advancedprogramlanguageanddatabasetechniqueareusedandaninteractivesimulationsoftwareisdeveloped刖№softwarehasitsownphysicalcharacterdatabase1inkedstablytothemainprogramandcallmake

9、sequaloperationontheinterfaceofmainprogramordatabaseTherefore，theproblemsthatthephysicalcharacterdatainmainprogramisdimculttomatmgeandthecommercialdatabaseisimpracticabletolinkareavoidedThissoftwarehasfriendlyinterfacean