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外文翻译--润滑油提纯方法与真空高效净油机设计.doc

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外文翻译--润滑油提纯方法与真空高效净油机设计.doc

重庆理工大学毕业设计(论文)英文翻译题目真空加热式高效净油机设计二级学院机械工程学院指导教师系主任时间2012年2月25日2013年6月14日PURIFICATIONOFDESIGNMETHODANDVACUUMPURIFYINGOILENGINELUBRICATINGOIL1FOREWORDTURBINEOILOILONTURBINEGENERATORISMAINLYUSEDFORLUBRICATIONANDCOOLINGSPEED,ETC,FORTHESTEAMTURBINEUNITLONGTERMOPERATION,DUETOHIGHPRESSURESTEAMSEAL,MOTORSHAFTSEALANDOTHERSERIOUSWEAR,BANDGAPORSTEAMPRESSUREREGULATINGIMPROPER,CAUSEONPHENOMENA,ANDOILCOOLERLEAKAGE,RESULTINGINSERIOUSWATERTURBINEOILOILY,APPEARMURKYOREMULSIFIEDOIL,ACCELERATEDAGING,TOPRODUCESOAPS,COLLOIDANDORGANICANDINORGANICACID,REDUCETHESTABILITYANDLUBRICATINGOILATTHESAMETIME,WATERANDADDITIVEEFFECTOFOILCOULDPROMOTETHEDECOMPOSITION,CAUSEEQUIPMENTCORROSIONONTHEOTHERHAND,BECAUSETHESYSTEMEXTERNALCONTAMINANTSTHROUGHSHAFTSEALANDVARIOUSPORETOENTER,SUCHASSAND,DUST,RUST,CARBONPARTICLE,ANDINTERNALMETALWEARPARTICLES,OILOXIDATIONPRODUCTS,WILLALSOREDUCETHEOILVISCOSITY,ANTIFOAM,DESTRUCTIONOFOILFILM,INCREASINGFRICTION,WEAROFMECHANICALEQUIPMENT,ANDMAYCAUSETHESPEEDCONTROLSYSTEMBLOCK,FAILURE,CAUSELOCALOVERHEATINGANDEVENSTUFFYCARTHEFORMATIONOFSLUDGEPIPELINEEMULSIFIEDOILMAYALSODEPOSITINTHESPEEDCONTROL,CIRCULATIONSYSTEM,THEOPERATIONOFOIL,CANNOTFLOWSMOOTHLY,NOLUBRICATION,COOLINGSPEED,GOODEFFECTTHEREFORE,THETURBINEOILISGOODORBAD,DIRECTLYAFFECTTHESAFEANDECONOMICOPERATIONOFTHEUNITTRANSFORMEROILAFTERSEVERALYEARSOFOPERATION,DUETOVARIOUSREASONS,THEQUALITYDETERIORATION,OILOXIDATION,COLORDEPTH,WATER,CLAY,FREECARBON,ACIDVALUE,VISCOSITY,MECHANICALIMPURITIESWILLEXCEEDTHESTANDARD,THEPOTENTIALDANGEROFTRANSFORMERPROCESSINGMETHODSCOMMONLYUSEDAREPOWEROFF,STOP,CHANGENEWOILHOWEVER,THERAPIDECONOMICDEVELOPMENTANDENERGYISVERYSCARCEINCHINA,ANEWOILISOBVIOUSLYNOTTHEECONOMYTHEREFORE,THISARTICLEWILLEXPLORETHEOILPROCESSINGMETHOD,ANDINTRODUCESAHIGHEFFICIENCYOILMACHINEAPPARATUSANDPROCESS2LUBRICATINGOILPROCESSINGMETHODCURRENTLYTHEOILREGENERATIONPURIFICATIONMETHODTHEREARE7WAYS21GRAVITYSETTLINGBARRIERMETHODTHISMETHODISPRIMARILYUSEDTOREMOVELARGEPROPORTION,LARGERPARTICLESOFIMPURITIESINOIL,ASWELLASWATERINTAKEISVERYSERIOUSINMAKINGCOARSEPURIFICATION,PURIFICATIONMEASURESMUSTBECOMPLEMENTEDWITHOTHERPURIFICATIONMETHODS22PRESSUREFILTRATIONMETHODTHEACT,ALSOKNOWNASMECHANICALFILTRATIONTRADITIONALPLATEANDFRAMETYPEFILTER,WHICHUSESOILPUMPPRESSUREPRESSUREDIFFERENCEOFFORMATIONONBOTHSIDESOFFILTERPAPER,WHENWASTEOILTHROUGHFILTERPAPER,IMPURITIESANDWATERFILTERBUTINEFFICIENTOPERATIONS,USEDDOSAGEINBIGTROUBLEHIGHCOSTBREAKDOWNVOLTAGEINCREASEISLESSOBVIOUSDEWATERINGCAPACITYDEPENDSENTIRELYONTHEDEGREEOFDRYFILTERPAPER,DONOTBAKEBEFORETHROWING,ORDONOTCHANGETHEFILTERPAPERFILTERPAPERWILLPROMPTLYWITHTHEBALANCEOFWATERINTHEOILSTATE,THATISASATURATION,EVENWATERRELEASETODIESEL23CENTRIFUGALSEPARATIONMETHODTHISMETHODUSEPROPORTIONINWASTEOIL,WATERIMPURITIESINDIFFERENTUNDERTHECENTRIFUGALFORCEPRODUCEDBYTHEHIGHSPEEDROTATIONOFTHEOILWATERSEPARATION,TOPURIFYTHEPURPOSEOFIMPURITYTHISMETHODISNOTHIGH,THEREQUIREMENTSOFWATERHEAVYWASTETURBINEOIL,HYDRAULICOIL,LUBRICATINGOILCANBEUSEDASAPRETREATMENT,HIGHEFFICIENCYBUTITCANNOTREMOVEDISSOLVEDWATERPURIFICATION,ANDLESSPRESSUREFILTERONLYTHECENTRIFUGEISUSEDASACOARSEFILTERDEVICE24VACUUMSEPARATIONMETHODITMAKESUSEOFOILANDWATERBOILINGPOINTDIFFERENCEEXISTS,SOTHATTHEOILATOMIZATIONORFORMOILFILMINVACUUMANDUNDERCERTAINTEMPERATURE,THEMOISTUREEVAPORATION,REMOVALOFWATERINOIL,GAS,ANDFILTEROUTIMPURITIESTHEPERFORMANCE,EFFICIENCYOFVACUUMOILPURIFIER,BECAUSETHESTRUCTUREOFMANY,EACHARENOTIDENTICALHIGHEFFICIENCYEQUIPMENTTOANEWGENERATIONOFVOLUME,POWERCONSUMPTIONISVERYSMALLISGRADUALLYREPLACINGTHETRADITIONALVACUUMOILPURIFIER25CONDENSATIONPURIFICATIONMETHODITMAKESUSEOFWASTEOILFLOWINGTHROUGHTHEHIGHPRESSURE1040KVDCELECTRICFIELD,POLARMOLECULESSUCHASWATER,OIL,ACIDCOMPONENTS,SLUDGE,SIZEIONPOLARITYMATERIALWILLBECHARGED,POLARANDINCENTIVE,THUSUSINGELECTROSTATICATTRACTIONELECTROCHEMICAL,MAKINGTHEMADSORPTIONANDAGGREGATION,OFFTHEIMPURITIES,ANDOILPUREANDISNOTEASYTOABSORB,UNDERTHEACTIONOFTHEOILPRESSURECANBEFORCEDTHROUGHTHEELECTRICFIELD,SOTHATTHEPURPOSEOFTHEPRESENTMETHODBUTISRARELYAPPLIED,THEPURIFICATIONEFFICIENCYISLOW,HIGHFAILURERATE,REPAIRDIFFICULTIES26ELECTROSTATICSEPARATIONMETHODITUSESTHEOILFLOWINGTOTHEHIGHVOLTAGE1040KVDCELECTRICFIELD,POLARMOLECULESSUCHASWATER,OIL,ACIDCOMPONENTS,SLUDGE,SIZEIONPOLARITYMATERIALWILLBECHARGED,POLARANDINCENTIVE,THUSUSINGELECTROSTATICATTRACTIONELECTROCHEMICAL,MAKINGTHEMADSORPTIONANDAGGREGATION,OFFTHEIMPURITIES,ANDOILPUREANDISNOTEASYTOABSORB,UNDERTHEACTIONOFTHEOILPRESSURECANBEFORCEDTHROUGHTHEELECTRICFIELD,SOTHATTHEPURPOSEOFTHEPRESENTMETHODBUTISRARELYAPPLIED,THEPURIFICATIONEFFICIENCYISLOW,HIGHFAILURERATE,REPAIRDIFFICULTIES27PURIFICATIONANDREGENERATIONMETHODREGENERATIONMETHODOFPURIFICATIONANDREGENERATIONOFADSORBENTSANDCHEMICALLAW,MEDIALAW,INCLUDINGCONTACTANDPERCOLATIONMETHODADSORBENTOFTRADITIONALMETHODUSEOFACTIVATEDWHITECLAY,WITHLARGERACTIVESURFACEADSORPTIONMATERIALSSUCHASSILICAGEL,ACIDCOMPONENTOFWASTEOILS,RESINS,ASPHALTENES,UNSATURATEDHYDROCARBONSANDWATER,THEREISASTRONGCHARACTERISTICOFADSORPTIONCAPACITY,MAKEADSORBENTFULLCONTACTWITHTHEWASTEOILTOREMOVEHARMFULSUBSTANCESCONTACTMEDIAMIXWITHTHEOIL,WILLBERESTRICTEDFROMOILREGENERATIONPROCESSWITHINEQUIPMENTINFILTRATIONLAWWASFORCEDTHROUGHOILFITTEDWITHGRANULARADSORBENTSSUCHASSILICAGEL,PARTICULATECLAY,ALUMINA,ANDSOONDOESNOTREQUIREMIXING,ALSOCHARGEDHANDLINGOFELECTRICALEQUIPMENTCHEMICALREGENERATIONPROCESS,FIRSTWITHSULFURICACIDANDOXIDATIONPRODUCTSINTHEWASTEOILSGENERATEDACIDRESIDUE,ANDTHENCONTACTCLAYMIXINGPROCESS,ORBYUSINGLYESODIUMHYDROXIDESTANDARDSOLUTIONANDACIDICACIDITYOFOILSINTHEINGREDIENTSGENERATEDSALTSSOLUBLEINTHECAUSTICSLUDGEFORMEDINALKALINESOLUTIONLYEREMOVAL,REMAININGALITTLESALTWATERWASHEDORTREATEDWITHAWHITESOILCONTACTREGENERATIONTREATMENTSUITABLEFORMORESERIOUSDETERIORATIONOFOIL,BUTOILCONTAININGMOREWATERANDIMPURITIES,ITSHOULDDEHYDRATE,IMPURITIESBEFOREREGENERATION,REGENERATIONAFTERTHESTRICTAPPLICATIONOFPRESSURIZEDOILTOTHEFILTER,PREVENTSORBENTPARTICLESAREBROUGHTINTOTHEPOWERDEVICEINADDITION,REGENERATIONALSOCANBEAUSEFULCOMPONENTINOILTOGETRIDOF,SOTHEREGENERATIONISCOMPLETEDSHOULDREJOINTHEANTIOXIDANTT501FOROILDEGRADATIONOFMORESERIOUS,ONLYACHEMICALREGENERATIONMETHODS,BUTHUGECHEMICALREGENERATIONEQUIPMENT,COMPLEX,INTENSIVE,WORKEFFICIENCY,LONGLIFECYCLE,THEENERGYCONSUMPTIONISHIGHOBVIOUSDEWATERINGCAPACITYDEPENDSENTIRELYONTHEDEGREEOFDRYFILTERPAPER,DONOTBAKEBEFORETHROWING,ORDONOTCHANGETHEFILTERPAPERFILTERPAPERWILLPROMPTLYWITHTHEBALANCEOFWATERINTHEOILSTATE,THATISASATURATION,EVENWATERRELEASETODIESEL3TECHNICALCHARACTERISTICSOFVACUUMOILPURIFIERGENERALDEWATERING,DEGASSINGVACUUMOILPURIFIERANDIMPURITYREMOVALFUNCTIONIMPURITIESBYMULTISTAGEMECHANICALFILTERTOMEETTHEREQUIREMENT,ANDTHEMOISTURECONTENTINOILANDGASSEPARATIONMANYTIMESOVERANDOVERAGAINFINDITMOREDIFFICULTTOACHIEVETHEDESIREDLEVELOFVACUUMOILPURIFIERISATTHEHEARTOFSEPARATIONOFVACUUMDEGASSINGANDDEWATERINGSYSTEMSASEPARATIONEFFECTOFVACUUMOILPURIFIER,ADVANTAGESANDDISADVANTAGESOFISOLATIONTANKEFFICIENCYLARGELYDEPENDSONTHEPERFORMANCEANDQUALITYLARGELYDEPENDSONTHEPERFORMANCEOFOILSEPARATIONTANKINONEOFTHEFORMSATPRESENT,THEDOMESTICVACUUMOILPURIFIER,ITSPROCESSEDOILINTHEGASLIQUIDSEPARATIONTANKINEXISTENCECANBESUMMARIZEDAS3NAMELY,FOGLIKEVOLUME,OFOILFILM

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