阴保程序文件(英文版).docx

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1、阴保程序文件1.PURPOSE.22.SCOPE.23.DEFINITIONS.24.RESPONSIBILITIES25.DEVELOPMENT26.DOCUMENTS27.HEALTH,SAFETYANDENVIRONMENT1.PURPOSE.ThepurposeofthisprocedureistoestablishLdtaYPFBactivities,forinstallationofcathodicprotectionatthebottomofstoragetanksandpipesburiedorsubmerged.

2、2.SCOPE.Thisprocedureappliestoinstallingthecathodicprotectionstoragetanksandpipesburiedorsubmergedbythemethodsofsacrificialanodesandimpressedcurrent.3.DEFINITIONS.-8535-EZ-014-C_SIGNEDMEMORIAESTUDIODESISTEMADEPROTECCIÓNCATÓDICA-NACETM0497Measurementestorelatedtechniqu

3、estoCriteriaforCathodicProtectiononUndergroundorSubmergedMetallicPipingSystem-NACETM0101MeasurementestorelatedtechniquestoCriteriaforCathodicProtectiononUndergroundorSubmergedMetallicTankSystems-APIRP1632CathodicProtectionforUndergroundpetroleumstorageTankandPipingSys

4、tems-Sacrificialanode:generallyspecificMetalMagnesium,Aluminum,andZinc,fortheprotectionofstoragetanksandburiedorsubmergedpipelines,metalsformingagalvaniccouplewithiron(Mg-Fe)whichwillprotectfromcorrosion.-AnodeCathodicProtectionImpressedCurrent:generallyspecificMetalF

5、e-Si,graphite,titanium,andothermetalsusedMMOtodraincurrenttotheelectrolyteinordertoprotectfromcorrosionburiedorsubmergedstructure.-Referenceelectrode:Ahalfcellisusuallycopperorsilvercoppersulphatesilverchloride,calomel,zinc,etc.Usedtomeasurethecathodicprotectionpotent

6、ial-floorstructure.-ElectricPotential:Measurevoltagebetweentwopoints,areferencepointorzeropointandthepointtobemeasured,interfaceofpositiveandnegativecharges.-Thermalweldingusingmetalpowder:exothermicweldingtypeconsistsofmetallicpowdersignitionpropertiestoperformadesir

7、edelectricalconnectionbetweenwiretowireorwire-blade4.RESPONSIBILITIES4.1.ManagerworkProvidethenecessaryresourcestoimplementtheprovisionsofthisprocedure.4.2.ElectricalandinstrumentationSuperIntendantDirectandmonitortheactivities.ImplementactivitiesunderPoliciesandProce

8、dures.Reviewandcomplywiththeprovisionsofthisprocedure.Evaluateandverifyspecificweldingprocedures.Approveandmonitortheactivit