冷凝法油气回收技术与应用(1)

396RefrigerationCryo．＆Supercond．Vol．39No．62011－04－181972－。1121121．2112002．230009。。。。。TechnologyandapplicationofcondensingoilvaporrecoveryMiaoZhihua1ZhangLin1WangMeng2ZhangGuide1ZhuZhiping1WangTiejun21．NanjingDouleRefrigerationDeviceCo．Ltd．Nanjing211200China2．SchoolofMechanicalandAutomotiveEngineeringHefeiUniversityofTechnologyHefei230009ChinaAbstractLighthydrocarboncomponentsofpetroleumproductsevaporateintoatmosphereintheprocessofstockpilingandtransportationanddistributionwhichcauseenergyconsumptionandenvironmentpollution．Oilvaporrecoverycansolvepollutionproblemandalsocanbringeconomicbenefits．Combinedwiththedevelopmentsofthecurrentstatusoftheprocessofstockpilingandtransportationandcomparedwithothermethodsforoilvaporrecoverythelowtemperaturecondensationmethodforoilvaporrecoverywhichutilizesmulti－componentscascadeorauto－cascadecycletechniquewasthoughtmoreeconomicandrelia-ble．Thekeytechniquesofthecondensationunitforoilvaporrecoverydevelopedindependentlywereintroduced．Theresultoftheengineeringapplicationshowsthatitcannotonlyreachthegoalofenvironment－protectionbutalsobringsignificanteco-nomicbenefits．KeywordsOilvaporrecoveryCondensationCascaderefrigerationRefuelinggasstockpilingandtransportation1。、。1－3。、、70、。130、3000、、、。、20076GB20950－2007《》、GB20951－2007《》GB20952－2007《》34－6、≤25mg/l、≥95%。2、、。2．1、/1。99%。2“－”。10mg/l“－”、、、78。1Fig．1Theprocessflowoftheactivatedcarbonadsorptionforoilvaporrecovery2．22。、。、、、、、、、、、、、、。、。2Fig．2Theprocessflowofabsorptionforoilvaporrecovery2．3。3。3Fig．3Theprocessflowofmembraneseparationforoilvaporrecovery、3．5bar、·94·6Refrigeration109。2．4。2～4℃2～34－35℃－75℃－110℃≤25g/m31。、、、、、10。4Fig．4Theprocessflowofcondensationoilvaporrecovery1Tab．1Thehomologousconnectionofcondensationtempera-tureandrecoveryefficiency/℃/g/m3－4070%—－7590%≤50－95＞95%≤35－110＞98%≤25－120＞99%≤1533．1。、、。、。“”“”“－”“－”。、。。、、1112。3．2201、234。、、。≤25g/m30．17～0．25kW．h/m3、、·05·Refrigeration6。23。2Tab．2Theenergyconsumptioncomparisonbetweencondensationmethodandothermethods/m3/h/kW/kW．h/m39502800．2954001200．30VRUF－400100350．35EU－VRU0100200500．25BLTVR200300600．20BLTVR300400670．168BLTVR4003Tab．3Thecomparisonoftheprocessingpropertyoffourmethodsforoilvaporrecovery/g/m3102550≤25－110℃/kW．h/m30．20～0．300．350．300．17～0．254BLTVR100～1200m3/h5123、4、、5PLC、、。2010、、、15100～500m3/hGB20950－2007。100024200m3/h1．12720kW．h1．78960kW．h10．4g/m3。0．68/m380001．05/。0．97560．82/·15·6Refrigeration1．4210081．32/。5BLTVR200Fig．5TheBLTVR200condensationunitforoilvaporrecovery5、。。、、、、、。1LudgardaBuzekKrzysztofWarmuziskiMarekTaczyketal．Costanalysisfortheremovalofvolatileorganiccompoundsfromairusinghybridsystemsmembraneseparation/condensationversusmembraneseparation/combustionJ．ChemicalEngineeringandProcessing1999383273－279．2．J．2004318－21．3．J．200626263－66．4GB20950－2007S．5GB20951－2007S．6GB20952－2007S．7．J．20071273－77．8GhoshalAKManjareSD．Selectionofappropriatead-sorptiontechniqueforrecoveryofVOCsananalysisJ．JournalofLossPreventionintheProcessIndus-tries200215413－421．9．J．2008135－37．10JeLuengShieChenYuLuChingYuan．ChangRe-coveryofGasolineVaporbyaCombinedProcessofTwo－StageDehumidificationandCondensationJ．Chin．Inst．Chem．Engrs．2003346605－616．11HamadAFayedME．Simulation－AidedOptimizationofVolatileOrganicCompoundsRecoveryUsingCon-densationJ．ChemicalEngineeringResearchandDe-sign2004827895－906．12．J．200617546－47．·25·Refrigeration6