【英文标准名称】:StandardTestMethodforDeterminationofContaminantsinGasTurbineandDieselEngineFuelbyRotatingDiscElectrodeAtomicEmissionSpectrometry
【原文标准名称】:转盘电极原子发射光谱法测定气轮机和柴油发动机燃料中杂质的标准试验方法
【标准号】:ASTMD6728-2001(2006)
【标准状态】:现行
【国别】:
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D02.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验方法;柴油;原子发射光谱法
【英文主题词】:ash-formingmaterials;contaminant;discelectrode;emissionspectrometry;fuelanalysis;RDE;rodelectrode;rotatingdiscelectrodespectrometer;tracemetals
【摘要】:Operatingexperienceofgasturbinesanddieselengineshasshownthatsomeoftheash-formingsubstancespresentinafuelcanleadtohightemperaturecorrosion,ashdeposition,andfuelsystemfouling.Ash-formingmaterialsmaybeinafuelasoil-solublemetallo-organiccompoundsaswater-solublesaltsorassolidforeigncontamination.Theirpresenceandconcentrationvarieswiththegeographicalsourceofacrudeoilandtheyareconcentratedintheresidualfractionsduringtherefiningprocess.Althoughdistillatefueloilsaretypicallycontaminantfree,ash-formingmaterialsmaybeintroducedlaterintheformofsalt-bearingwaterorbycontactwithotherpetroleumproductsduringtransportationandstorage.SpecificationsofgasturbineanddieselenginefuelsandthesignificanceofcontaminationandtracemetalsaredetailedinSpecificationsD2880andD975.5.1.1Pre-conditioningofthefuelbeforeitreachesthegasturbineordieselenginehasbecomeaprerequisiteforinstallationsthatuseheavypetroleumfuel,andalsoforsitesthatuselightdistillatefueloils.On-sitefuelanalysistodeterminetheextentofcontaminationisanintegralpartofafuelqualitymanagementprogram.Itisusedfirsttodeterminetheextentoftherequiredtreatment,andlater,theeffectivenessofthetreatment.Itstartswiththedeliveryofthefuel,continuesthroughoutfuelhandlingandendsonlyasthefuelisinjectedintotheturbineorengine.5.1.2Fuelcontaminationspecificationsvaryamongthedifferentgasturbinemanufacturers.However,withoutexception,eachrequiresthatcontaminantsmustbeaslowaspossible.Inmostpowergenerationinstallations,itistheownerwhohastheresponsibilityofverifyingfuelcleanlinessincompliancewiththeturbinemanufacturerrsquo;warrantyspecifications.Thisleadstoanon-siteanalyticalinstrumentperformancerequirementofbelow1.0mg/kgforseveralelements.1.1Thistestmethodcoversthedeterminationofcontaminantsandmaterialsasaresultofcorrosioningasturbineordieselenginefuelsbyrotatingdiscelectrodeatomicemissionspectroscopy(RDE-AES).1.1.1ThetestmethodisapplicabletoASTMGrades0-GT,1-GT,2-GT,3-GT,and4-GTgasturbinefuelsandGradesLowSulfurNo.1-D,LowSulfurNo.2-D,No.1-D,No.2-D,andNo.4-Ddieselfueloils.1.1.2Thistestmethodprovidesarapidat-sitedeterminationofcontaminationandcorrosiveelementsrangingfromfractionsofmg/kgtohundredsofmg/kgingasturbineanddieselenginefuelssothefuelqualityandlevelofrequiredtreatmentcanbedetermined.1.1.3Thistestmethodusesoil-solublemetalsforcalibrationanddoesnotpurporttoquantitativelydetermineordetectinsolubleparticles.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thepreferredunitsaremg/kg(ppmbymass).Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:7P.;A4
【正文语种】: