ASTM D3483-2005 蒸汽发生器管中累积沉积物的标准试验方法

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【英文标准名称】:StandardTestMethodsforAccumulatedDepositioninaSteamGeneratorTube
【原文标准名称】:蒸汽发生器管中累积沉积物的标准试验方法
【标准号】:ASTMD3483-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:D19.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:管;试验;沉积物;水
【英文主题词】:boiler;deposit;deposition;rifled;steamgeneratortube;boiler;deposit;deposition;rifled;steamgeneratortube;boiler;deposit;deposition;glassbead;rifled;steamgeneratortube
【摘要】:Theweightperunitareameasurementisanindicationoftherelativecleanlinessordirtinessoftheboiler.Itisusedtodeterminetheeffectivenessoftheboilerchemicaltreatmentprogramandtodeterminetheneedforchemicallycleaningtheboilersystems.Allowingtheinternaldepositiontoaccumulateuncheckedwilllikelyleadtoboilertubefailuresbymechanismsofunderdepositcorrosionandtubemetaloverheating.1.1Thesetestmethodscoverthedeterminationoftheweightperunitareaofwatersidedepositsonheat-transfersurfacesofsteamgeneratortubes.Thefollowingtestmethodsareincluded:SectionsTestMethodA-Mechanicalremovalbyscraperorvibratingtool-removeddepositweightmethod7to16TestMethodB-Chemicalremovalbysolvent-tubeweightlossmethod17to27TestMethodC-Mechanicalremovalbyglass-beadblasting-tubeweightlossmethod28to37