【英文标准名称】:TestMethodforDistillationofCrudePetroleum(15-theoreticalPlateColumn)
【原文标准名称】:原油蒸馏测试方法(15-理论塔板柱)
【标准号】:ANSI/ASTMD2892-2005
【标准状态】:作废
【国别】:美国
【发布日期】:2005
【实施或试行日期】:2005-11-29
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:原油;试验;蒸馏;润滑剂;石油产品;试验
【英文主题词】:Crudeoils;Distillation;Lubricants;Petroleumproducts;Testing
【摘要】:Thistestmethodcoverstheprocedureforthedistillationofstabilizedcrudepetroleum(seeNote0)toafinalcuttemperatureof400CAtmosphericEquivalentTemperature(AET).Thistestmethodemploysafractionatingcolumnhavinganefficiencyof14to18theoreticalplatesoperatedatarefluxratioof5:1.Performancecriteriaforthenecessaryequipmentisspecified.Sometypicalexamplesofacceptableapparatusarepresentedinschematicform.Thistestmethodoffersacompromisebetweenefficiencyandtimeinordertofacilitatethecomparisonofdistillationdatabetweenlaboratories.Note0DefinedashavingaReidvaporpressurelessthan82.7kPa(12psi).Thistestmethoddetailsproceduresfortheproductionofaliquefiedgas,distillatefractions,andresiduumofstandardizedqualityonwhichanalyticaldatacanbeobtained,andthedeterminationofyieldsoftheabovefractionsbybothmassandvolume.Fromtheprecedinginformation,agraphoftemperatureversusmass%distilledcanbeproduced.Thisdistillationcurvecorrespondstoalaboratorytechnique,whichisdefinedat15/5(15theoreticalplatecolumn,5:1refluxratio)orTBP(trueboilingpoint).Thistestmethodcanalsobeappliedtoanypetroleummixtureexceptliquefiedpetroleumgases,verylightnaphthas,andfractionshavinginitialboilingpointsabove400C.Thistestmethodcontainsthefollowingannexesandappendixes:TestMethodfortheDeterminationoftheEfficiencyofaDistillationColumn,TestMethodfortheDeterminationoftheDynamicHoldupofaDistillationColumn,TestMethodfortheDeterminationoftheHeatLossinaDistillationColumn(StaticConditions),TestMethodfortheVerificationofTemperatureSensorLocation,TestMethodforDeterminationoftheTemperatureResponseTime,PracticefortheCalibrationofSensors,TestMethodfortheVerificationofRefluxDividingValves,PracticeforConversionofObservedVaporTemperaturetoAtmosphericEquivalentTemperature(AET),TestMethodforDehydrationofaSampleofWetCrudeOil,andPracticeforPerformanceCheck.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,seeSection.Thistestmethodisfordeterminingtheefficiencyofadistillationcolumn,undertotalrefluxconditionsusingthetestmixturen-heptane/methylcyclohexaneatatmosphericpressure.Theefficiencyisnotmeasuredundervacuumconditionsbecausethereisnosatisfactorytestmixturethathasaconstantrelativevolatilitywithpressure.Thistestmethodisfordeterminingthedynamicholdupofadistillationcolumnusingatestmixtureofstearicacidinn-heptane.Thistestmethodisfordeterminingtheheatlossofadistillationcolumnunderstaticconditionswhenatemperaturedifferentialexistsbetweentheinnerandouterwallsofadistillationcolumn.Thistestmethodisfordeterminingwhetherthetemperaturesensorisintheproperpositionforoptimumperformance.Thistestmethodisforthedeterminationoftemperatureresponsetimebasedupontherateofcoolingofthesensorunderprescribedconditions.Thistestmethodisfordeterminingwhetheraliquidrefluxdividingvalveproducestheprescribedrefluxratio.Thispracticeisforconversionoftheactualdistillationtemperatureobtainedatsub-ambientpressuretoAETcorrespondingtotheequivalentboilingpointatatmosphericpressure,101.3kPa(760mmHg),bymeansofequationsderivedbyMaxwellandBonnell.Thispracticeisfordehydratingasampleofwetcrudeoilpriortofractionaldistillation.
【中国标准分类号】:E21
【国际标准分类号】:75_040
【页数】:
【正文语种】:英语


Product Code:SAE AS1339
Title:Hose Assembly, Polytetrafluoroethylene, Metallic Reinforced, 3000 psi, 400 掳F, Lightweight, Hydraulic and Pneumatic
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:This Aerospace Standard (AS) defines the requirements for a lightweight polytetrafluoroethylene (PTFE) lined, metallic reinforced, hose assembly suitable for use in high temperature, 400 掳F, high pressure, 3000 psi, aircraft hydraulic systems, also for use in pneumatic systems which allow some gaseous diffusion through the PTFE wall.