ASTM D197-1987(2007) 粉煤的取样方法与细度的标准试验方法
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【英文标准名称】:StandardTestMethodforSamplingandFinenessTestofPulverizedCoal
【原文标准名称】:粉煤的取样方法与细度的标准试验方法
【标准号】:ASTMD197-1987(2007)
【标准状态】:现行
【国别】:
【发布日期】:1987
【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】:D05.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:抽样方法;粉状的;粉碎作用;煤;细度试验;燃料;固体燃料;试验
【英文主题词】:fineness;pulverizedcoal;sampling;sieveanalysis
【摘要】:Thistestmethodprovidesameansforassistingintheevaluationofpulverizersandpulverizersystemsintermsoffinenessspecifications.Itmayalsobeusedtoconfirmtheinfluenceofcoalfinenessoncombustionperformanceandtoevaluatecarbonloss.Byconsentamonginterestedparties,itmaybeusedforevaluationofcoalfinenessinpreparation,pneumatictransfersystems,etc.1.1Thistestmethodcoversthedeterminationofthefinenessbysieveanalysisofcoalsampledfromadrypulverizingoperation.Itisnotapplicabletoproductsofwetmillingortofinesthathaveclusteredintoanagglomeratedmass.1.2Thevaluesstatedininch-poundunitsshallberegardedasthestandard.Sampleweightsof1000gorlessshallbeexpressedinmetricunits.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:D21
【国际标准分类号】:73_040
【页数】:7P.;A4
【正文语种】:
【英文标准名称】:DirectGas-FiredCirculatingHeatersforAgriculturalAnimalConfinementBuildings
【原文标准名称】:农业牲畜棚栏直接燃气循环加热器
【标准号】:ANSI/AGALC-2-1996
【标准状态】:作废
【国别】:美国
【发布日期】:1996
【实施或试行日期】:
【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】:热环境系统;气体加热器;加热器;农业
【英文主题词】:Agriculture;Gasheaters;Heaters;Thermalenvironmentsystems
【摘要】:Detailstestandexaminationcriteriafordirectgas-firedcirculatingheatersprimarilyintendedforpermanentinstallationinagriculturalanimalconfinementbuildingsforusewithnatural,manufacturedandmixedgases,liquefiedpetroleumgases,andLPgas-airmixtures.
【中国标准分类号】:Q83;B92
【国际标准分类号】:97_100_20
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforModulusofRuptureofCarbon-ContainingRefractoryMaterialsatElevatedTemperatures
【原文标准名称】:升温时含碳耐火材料的断裂模数用标准试验方法
【标准号】:ASTMC1099-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:C08.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:断裂伸长;耐火材料;测试
【英文主题词】:carbon-containing;modulusofrupture;refractories;strength
【摘要】:Themodulusofruptureofcarbon-containingrefractoriesatelevatedtemperatureshasbecomeacceptedasausefulmeasurementinqualitycontroltestingandinresearchanddevelopment.Thesemeasurementsarealsousedtodeterminethesuitabilityofparticularproductsforvariousapplicationsandtodevelopspecifications.Thesamplemayundergosomeoxidationduringthetest.In1988,ruggednesstestingwasconductedonthistestprocedure.Thefollowingvariableswerestudied:3.2.1Testingtemperature(2525(1385)versus2575x00B0;F(1413x00B0;C)),3.2.2Airatmosphereversusargonatmosphereinthefurnace,3.2.3Holdtimepriortobreakingthesample(12versus18min),and3.2.4Loadingrateonthesample(175(778)versus350lb/min(1556N/min)).Resinbondedmagnesia-carbonbrickcontainingapproximately17%carbonaftercokingwheretestedintwoseparateruggednesstests.Metal-freebrickweretestedinthefirstruggednesstest,whilealuminum-containingbrickweretestedinthesecond.Resultswereanalyzedata95%confidencelevel.Forthemetal-freebrick,thepresenceofanargonatmosphereandholdtimehadstatisticallysignificanteffectsonthemodulusofruptureat2550x00B0;F(1400x00B0;C).Theargonatmosphereyieldedalowermodulusofrupture.Thesamplestestedinairhadawell-sintereddecarburizedzoneontheexteriorsurfaces,possiblyexplainingthehighermoduliofrupture.Thelongerholdtimecausedalowerresultforthemetal-freebrick.Forthealuminum-containingbrick,testingtemperature,thepresenceofanargonatmosphere,andloadingratehadstatisticallysignificanteffectsonthemodulusofruptureat2550x00B0;F(1400x00B0;C).Thehighertestingtemperatureincreasedthemeasuredresult,thepresenceofanargonatmosphereloweredtheresult,andthehigherloadingrateincreasedtheresult.1.1Thistestmethodcoversthedeterminationofthemodulusofruptureofcarbon-containingrefractoriesatelevatedtemperaturesinair.1.2Thevaluesstatedininch-poundunitsanddegreesFahrenheitaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection5.
【中国标准分类号】:Q40
【国际标准分类号】:81_080
【页数】:3P.;A4
【正文语种】: