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NY/T 1925-2010 在用喷杆喷雾机质量评价技术规范

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基本信息
标准名称:在用喷杆喷雾机质量评价技术规范
发布部门:中华人民共和国农业部
发布日期:2010-07-08
实施日期:2010-09-01
首发日期:
作废日期:
出版社:中国农业出版社
出版日期:2010-09-01
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所属分类: 农业 林业 粮食与饲料作物 禾谷类作物与产品
【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】:


【英文标准名称】:Carbonbrushesforelectricalmachinery;limitsfordimensionsofbrushesandbrush-holders
【原文标准名称】:电机用碳刷.碳刷及刷夹的极限尺寸
【标准号】:DIN43000Bb.2-1968
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】: