【英文标准名称】:StandardTestMethodforSulfuricAcidResistanceofPolymerLiningsforFlueGasDesulfurizationSystems
【原文标准名称】:燃气脱硫系统用聚合衬垫的耐硫酸性的标准试验方法
【标准号】:ASTMD6137-1997(2004)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:D33.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:裂开;热阻;耐化学性;热效应;起泡;硫酸;粘附;燃气脱硫;聚合物衬垫
【英文主题词】:adhesion;blistering;chemicalresistance;cracking;fluegasdesulfurization;heatresistance;polymerlinings;sulfuricacid;thermaleffects
【摘要】:Theresultsobtainedbythistestmethodcanbeusedincombinationwithothertestmethodsfortheselectionofaliningforsurfacesinfluegasdesulfurization(FGD)systemsthatwillbeexposedtohotunscrubbedfluegasortoscrubbedgasthathasbeenreheatedwellabovethewaterdewpoint.3.1.1Thistestmethoddoesnotevaluateorcorrelatetoareaswithinthescrubberorscrubbedgasstreamsattemperaturesatorbelowthewaterdewpoint.Thistestmethodisintendedtoevaluatethecombinedeffectsofheatandexposuretosulfuricaciduponaliningsystemasappliedtoacarbonsteelsubstrate.Itdoesnotproducethethermalgradientthroughtheliningthatmayexistinactualapplications.Actualliningperformancemayalsobeaffectedbyconcurrentphysicalormechanicaleffectsandotherchemicalsthatmaybepresentinthefluegas.Thistestmethodevaluatesmajorfailuremodesofliningsappliedtosquaretestpanelsthatarecycledfromroomtemperaturetoadesignatedelevatedtemperature.Therecommendedtesttemperaturesof200x00B0;F(93x00B0;C)and350x00B0;F(177x00B0;C)arebasedontypicalmaximumoperatingzonetemperaturesinfluegasdesulfurizationssystems.Othertemperaturesmaybeevaluatedasdesired.Cyclingtolowertemperatures,includingfreezing,maybeconsideredifapplicable.Thestandardacidconcentrationforalltestsis20%,recognizingthattheconcentrationwillquicklyrisetotheequilibriumattheselectedtesttemperature.1.1thistestmethodisintendedtoevaluatethesulfuricacidresistanceatelevatedtemperaturesofpolymerliningsappliedtocarbonsteelsubstratessubjecttosulfuricacidattack.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E46
【国际标准分类号】:13_040_99
【页数】:3P.;A4
【正文语种】: