cleaning and chemical treatment of - alberta ministry of infrastructure：清洗和化学处理-阿尔伯塔基础设施部

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1、SectionCoverPageSection23 25 19CleaningandChemicalTreatment2013-04-04ofSteamBoilerSystemsUsethisSectiontospecifythechemicalcleaningandtreatmentofsteamboilersystems.RefertoSection23 25 02foracompletelistofsectionsrelatedtoChemicalCleaningandTreatmentofMechanicalSystems.ThisMasterSpecificati

2、onSectioncontains:.1ThisCoverSheet.2DataSheet-ReferenceStandards.2DataSheet-GuidelinesforRenovatedSystems.3SpecificationSectionText:1.General1.1Intent1.2RelatedRequirements1.3ReferenceDocuments1.4PerformanceRequirements1.5Submittals2.Products2.1CleaningChemicals2.2ChemicalTreatmentMaterial

3、s2.3WaterTestEquipment3.Execution3.1EquipmentInstallation3.2CleaningGeneral3.3PreBoilerEquipmentCleaningProcedure3.4BoilerCleaningProcedure3.5DepositRemovalProcedure3.6CleaningDirectSteamCulinaryBoilersandSterilizers3.7OperationMaintenanceuntilInterimAcceptance3.8WasteWaterandMaterialDis

4、posal3.9ChemicalCleaningandTreatmentScheduleforRenovatedSystemsBMSBasicMasterSpecificationAlbertaInfrastructureMasterSpecificationSystemPage0DataSheet-GuidelinesforRenovatedSystemsSection23 25 19CleaningandChemicalTreatment2012-11-09ofSteamBoilerSystems1.Whenanyofthefollowingworkhasbeenper

5、formed,nocleaningisrequiredbutloosedepositsmustbeflushedoutbeforefloodingwithsystemwater..1Aminoramountofnewpipingisaddedtothesystemwhencomparedwiththeentiresystem..2Converterisretubed..3Lessthanapproximately50%ofthetubesarereplacedinafiretubeorwatertubeboiler.2.Newpipingwhichcanbeisola

6、tedfromtherestofthesystem:.1Cleanpipingusingthechemicalcleanerandprocedurespecifiedin2.1.3and3.4..2Chemicallytreattheentiresystemwithacorrosioninhibitorspecifiedin2.2and3.7.3.Newpipingwhichcannotbeisolatedfromtherestofthesystem:.1Cleanthedepositsfromtheentirepreboilersystemasspecifiedin2.

7、1.3and3.5..2Cleantheentiresystemwiththechemicalcleanerandprocedurespecifiedin2.1.1and3.3and3.4..3Chemicallytreattheentiresystemwithacorrosioninhibitorspecifiedin2.2and3.7.4.Firetubeboilerswheremorethanapproximately50%ofthetubesinafiretubeboilerarereplaced:.