ASTM C737-2008 煤矿粉化用石灰岩的标准规范

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【英文标准名称】:StandardSpecificationforLimestoneforDustingofCoalMines
【原文标准名称】:煤矿粉化用石灰岩的标准规范
【标准号】:ASTMC737-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:C07.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:coalmines;dolomiticlimestone;highcalciumlimestone;limestone;limestonedust;mineexplosions;moisturecontent;silicacontent;Coalminedusting;Coalproducts;Dusting;Limestone--specifications
【摘要】:1.1Thisspecificationcoverslimestonesuitableforuseasdustincoalminestopreventcoaldustexplosions.Note18212;Limestonecanserveasasourceofincombustiblematerialincoalmineoperations.Limestoneisdustedontocoalexposuresinsufficientamountsothatnotlessthan65%ofallloosedustshallbelimestoneincombustiblematerial.Inreturnaircoursestheconcentrationofincombustiblematerialsshouldbenotlessthan80%ofthetotaldust(MSHA30CFR75.403).Withsuchaconcentrationoflimestoneincombustiblematerial,dustexplosionscannotinitiateorbepropagatedfromnearbygasexplosions.Thelimestonemustbesubstantiallydryinordertodustsatisfactorily.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.
【中国标准分类号】:D51
【国际标准分类号】:73_080
【页数】:2P.;A4
【正文语种】:英语