作者:标准资料网 时间:2024-05-11 16:14:44   浏览:9736   来源:标准资料网

【英文标准名称】:StandardTestMethodforVaporAttackonRefractoriesforFurnaceSuperstructures
【原文标准名称】:炉上层结构用耐火材料的蒸气冲击标准实施规范
【标准号】:ASTMC987-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:C08.10
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:腐蚀;玻璃;耐火材料;上部结构;蒸汽腐蚀;蜕变速率
【英文主题词】:corrosion;glass;refractories;superstructures;vaporattack;Disintegrationrate
【摘要】:Thistestmethodprovidesaguideforevaluatingtheresistanceofrefractoriesinglassmeltingfurnacesuperstructurestovaporattack.Thistestmethodmayalsobeusefulforevaluatingrefractoriesinotherapplicationswherevaporattackoccurs.Anelectric-heatedfurnaceisrecommended.Watervaporandotheratmosphericcomponentsinagas-orfuel-firedfurnacemayparticipateinthechemicalandphysicalreactionsbeingstudied.Resultsmaydiffer,therefore,dependinguponthenatureandtypeoffiringemployed.Thedegreeofcorrelationbetweenthistestmethodandserviceperformanceisnotfullydeterminable.Thisisintendedtobeanacceleratedtestmethodthatgeneratesasubstantialdegreeofreactioninarelativelyshortamountoftime.Thisaccelerationmaybeaccomplishedbychangingthecompositionand/orconcentrationofthereactants,increasingtemperatures,orbyperformingthetestinanisothermalenvironment.Sincethetestmethodmaynotaccuratelysimulatetheserviceenvironment,observedresultsofthistestmethodmaynotberepresentativeofthosefoundinservice.Itisimperativethattheuserunderstandandconsiderhowtheresultsofthistestmethodmaydifferfromthoseencounteredinservice.Thisisparticularlylikelyifthereactionproducts,theirnature,ortheirdegreedifferfromthosenormallyfoundintheactualserviceenvironment.Itisincumbentupontheusertounderstandthatthisisanaggressive,acceleratedtestmethodandtobecarefulininterpretingtheresults.If,forexample,thereactionspecieshaveneverbeenfoundinarealworldfurnace,thenthistestmethodshouldnotnecessarilybeconsideredvalidtoevaluatetherefractoryinquestion.1.1Thistestmethodcoversaprocedureforcomparingthebehaviorofrefractoriesincontactwithvaporsunderconditionsintendedtosimulatetheenvironmentwithinaglassmeltingorothertypeoffurnacewhenrefractoriesareexposedtovaporsfromrawbatch,moltenglass,fuel,fuelcontaminants,orothersources.Thisprocedureisintendedtoaccelerateserviceconditionsforthepurposeofdetermininginarelativelyshorttimetheintervalresistancetofluxing,bloating,shrinkage,expansion,mineralconversion,disintegration,orotherphysicalchangesthatmayoccur.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:81_080
【页数】:3P.;A4
【正文语种】: