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205Vol.20,No.5200510JournalofSuzhouCollegeOct.2005(,234000):,,,,,,,,:;;:TQ223.12+2:A:1673-2006(2005)05-0097-03:2005204229:(1964-),,,:,,,,,,,,,,[1],,,,,,,1,,,,,,,,,,,,,,1,,,PI,,,,,12,,,,2,TC,,FC,;VPC,TC(),FC,FC(),,,R1,79©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),(),,R12TCFC,TCFCVPC,,,,3,,,,,1ö31ö2,,,PI,,3,,1ö2,,344,,,,,,,,,,,,,,,,,35,(),,5,,891,,,4,,015060120,,,,,,,PID,,(1),,U0,TUKr,TUKrKr1=yTUöTgKr=Kr1öU0PID:K=1.2ökr,T1=2TU,Td=2.42TUPID:K=1.77,Ti=7min,Td=89©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(2)SmithSmith55SmithSmith:G(S)=Kö(1+TLS)S,PID,G(S)=Kö(1+TLS)SmithG(S)=K(1-e-Ss)ö1+TLS,:U1ö(1+(TLS))VK1-e-Ss)D:VK=(1-b)VK-1+bVK-1DK=K(VK-UK-1),b=(SP-TöT1)1=SöT(ST),Smith(Smith),(3),,,,,,,,,,,,,,,,,,666()010mA420mA,Pt100:,:[1],.[M].:,2001ImportantTechniqueParameterControlofAlcoholDistillationProcessWANGPing2xian(AnhuiAnteBiochemistryCo.,Ltd,SuzhouAnhui234000)Abstract:Manyelementsaffectsthedistillingcolumnoperation,whicharevariableandinterrelated.Processcontrolismorecomplicated.Toreachthebalanceofinputandoutputofmaterialsthroughdistillation,balanceofquantityofheat,andstabilityofpressure,temperature,extractfinishedalcoholofcontrolpoints,itisveryimportanttochoosetherightcontrolplantoresolvepropervariablepair.Thekeyprocessparameterofnormaloperationoftheindicationcolumnarevapourboxpressure,toptemperatureofprimarycolumn,middletemper2atureofrectifyingcolumn,alcoholvapourtemperatureofcondenser,andliquidlevelofcolumnbottom.Keywords:distillation;processparameter;parametercontrol99©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.