基于(火用)分析的精餾過程優(yōu)化設計.pdf

1、青島科技大學碩士學位論文基于(火用)分析的精餾過程優(yōu)化設計姓名：李巖梅申請學位級別：碩士專業(yè)：化學工程指導教師：胡仰棟2002.5.28壘壘!!墜墮TheOptimaIDesignofDistiIIationProcessesBasedonExergyAnaIysiSABSTRACTEnergysavm。gofdistillationprocessisaveryimportantissuethatpeoplealwayspayatten

2、tiontoItissignificantforindustryprocesstostudyandexploittheenergyefficientdistillationprocessInthispaperthemodelofdistillationcolumnwithsidereboilersandcondensersanddistillationprocessisbuiltup；objectivefunctionthatisthe

3、exergylossofdistillationprocessminimumisestablished；Inside—outisusedtosimulatethedistillationandSQP(SequentialQuadraticProgramming)isusedtooptimizetheobjectivefunctionThemethodandstrategytooptimizeanddesignadistillationc

4、olumnanddistillationprocessisputforwardasfollows：Inthispapertheconceptsofexergylosssensitivity”(JwhichreflecttheVaFiatiorlofexergylossWiththenumberoftheoreticalstagesandadequatcnumberoftheoreticalstagesNTiSdesigned“oiSaf

5、actorreflectingtheweightofoperationcostandtheoneofinvestmentcost，whichcallbedeterminedbytheeconomiesefficiencycausedbythetwofactsNTissuchacharactelisticnumberoftheorystagesthattheexergylossvariesremarkablywhenNNTWhenothe

6、roperationconditionisunchanged，forthesameco(IN1／NmlnfordifferentmixerswithdifferentrelativevolatilityiscalculatedTheresultshowsthattheratioNT／Nmindecreaseswith0decreasingandtendsto1”hen。goestoIAccordingtheconceptofadequa

7、tenumberoftheoreticalstagesNT，thenewstrategyofthreestepstodesigncomplexcolumnisadvanced：(1)Forarbitrarynumberoftheoreticalstages，theoptimumfeedpositionisdetermined(!)Accordingtothevariationofexergylosswithnumberoftheoret