基于Aspen模拟的乙醇胺催化胺化产物的精馏分离

Aspen1,1,1,2,2,2(1.,710049;2.,710065):Aspen,,,FlashDSTWU,,RadFrac,NRTL,Aspen2-,PropertiesEstimation,,,,:;;;:TQ221:A:0253-4320(2008)08-0079-05SimulationofdistillationbasedonAspenplusforproductsfromcatalyticaminationofethanolamineHAOMiao2li1,LIUGong1,YANGBo2lun1,YANGJian2ming2,ZHANGWei2,LUJian2(1.SchoolofEnergyandPowerEngineering,XianJiaotongUniversity,Xian710049,China;2.XianModernChemistryResearchInstitute,Xian710065,China)Abstract:UsingthesimulationsoftwareAspenplus,thedistillationprocessfortheproductssuchasethylenediamineandpiperazinefromthecatalyticaminationofethanolamineissimulated.Basedontheconsiderationoftheproductproperties,theseparationrouteisdesignedfirstly,thenusingthemodulesofFlashandDSTWU,tocarryoutthecalculation,theoperationparameterssuchastherefluxratio,thenumberofstageandthetemperatureisobtained.UsingtherigorousmoduleofRadFrac,thevalidityofthisprocessisvalidated,andthesensitivityanalysisiscarriedouttoo.NRTLmethodisadoptedinthesimulation;thecharacterofPyrazineisgainedthroughthemoduleofPropertiesEstimation.Theresultsshowthattheprocessisreasonableanditcanmeettherequirementofproductsseparation,theoperationalparameterswillprovidehelpfortheprocessdesignandoperation.Keywords:ethylenediamine;piperazine;distillation;simulation:2008-04-14:(1971-),,;(1954-),,,,,029-82663189,[e-mail](EDA),[1],,[2](PIP),,[3],,,,,,,[2,4-5],,Aspen,,,1:,,[6],:/25,330,4MPa,50%80%,20%,197288Aug.200820088ModernChemicalIndustry1/%/AMMONNH38010-3315WATERH2O01810010MEAC2H7NO91217110EDAC2H8N261411619PIPC4H10N211614815N-AEPC6H15N3110222102-PYRAZC6H8N211015210153101,,;,N-2-,280%,1,,2,,,11()9910%,9815%,N-9810%,2-9810%,,180,95%,;,;2-,,,,,2(78)1/10-6/kW/m2900214216102200413529153451241005173401687717430129MPa,(700900)10-6(200300)10-6,,,0119m/s0102m/s318,HFC-152a,,,10,,0129MPa0127MPa,HFC-152a,,,,,,,,90010-6(200300)10-6,,,(:,!)[1],.1,1-[J].,2005(5):3-5.[2],,.[J].,2005,24(10):1113-1117.[3],.:[J].,2002,23(3):7-10.[4],,.[M].:,2001.082882,B1,B2B7(B7)D,WD1,,W1,B2B3,B4B6B7,D4D6W6W72-N-,D7,B1;B2B723311,NRTLNRTL(),[7]2-,Aspen,,As2penPropertiesEstimation2-,,,2-332-3121000kg/h80%,20%330()()2MPa,AspenFlash,,100,95%(),,W1B22,2AMMONWATERMEAEDAPIPAEPPYRAZ01800010080109201064010160101001010/kmolh-1461974014441150611065011860107701092D14413380100801026011430100701008W121637014361148001922011790107701084313Aspen(DSTWU)Winn2Under2wood2Gilliland,,,23B2B6,B7(0103)3B2B7B2B3B4B5B6B7AMMONWATEREDAPYRAZPIPMEA019800198001998019700199001998WATEREDPIPMEAPYRAZAEP0101A01010101010001010004012,44B2B7B2B3B4B5B6B7010101211911125100110103013318221510110122381832556177425407114530930394/kW16108114818711723162310/kW13187124717711523162612/5010671511713146181431013516/1381214516165101711015212172191820088:Aspen314,,Aspen(RadFrac)B4B6B7,,5,,5B4B6B7DSTWURadFracDSTWURadFracDSTWURadFrac/117131171314310140101351613517/165101691315212159151721917912/kW471747172316231926122612019980199901990019960199813152,,Aspen(Sensitivity),,,44,,,,,,,,,B3,,,55,,,01995,,6(a)(b)28288(c)66,B4812,EDA,99157%;B63844,PIPPYRAZ,98175%98118%;B78,AEP,99170%4,,B3B7,,,66B2B3B4B5B6B71316657824303745657511150103013410201010100121575254372133167kmol/hAMMONWATERMEAEDAPIPAEPPYRAZD22158401004010010102601002D3010530142301009D4010040188501002D501004010020117701080D6010040100201175D7114760101501002W201053014321147901896011790107701082W3010091147901887011790107701082W4010041147901002011770107701082W5114790107701002W60100201080W701003010626,77B4B6B7,8,,68%EDAPIPPYRAZMEAAEP99157981779811697155971764Aspen,100,95%B2B6,B73014kPa,B2B7:5010671511713146181431013516,:138121451616510171101521217219,B2B7:010301300410020100101000120;:157525437213;:530930394,,:99157%,98177%,2-98116%,N-97176%[1].[J].,2002,3(6):49-51.[2],,.[J].,2007,26(7):940-943.[3],,.[J].,2005(3):13-15.[4],,,.[J].,2002,31(10):25-36.[5],,,.[J].,2007,27(1):113-117.[6],,.[J].,2007,27(2):188-190.[7],.[M].2.:,1991:186-230.3820088:Aspen