ASME SECTION VI 2013 Recommended Rules for the Care and Operation of Heating Boilers PDF
Preview ASME SECTION VI 2013 Recommended Rules for the Care and Operation of Heating Boilers
2013 ASME Boiler and Pressure Vessel Code AN INTERNATIO NAL C ODE VI Recommended Rules for the Care and Operation of Heating Boilers --``,``,`,````,````````,,,,``,,`-`-`,,`,,`,`,,`--- 5/15/13 5:15 PM --``,``,`,````,````````,,,,``,,`-`-`,,`,,`,`,,`--- AN INTERNATIONAL CODE 2013 ASME Boiler & Pressure Vessel Code 2013 Edition July 1, 2013 VI RECOMMENDED RULES FOR THE CARE AND OPERATION OF HEATING BOILERS --``,``,`,````,````````,,,,``,,`-`-`,,`,,`,`,,`--- AonSMHEeaBtionigleBroainledrsPressure Vessel Committee Two Park Avenue (cid:129) New York, NY (cid:129) 10016 USA DateofIssuance:July1,2013 ThisinternationalcodeorstandardwasdevelopedunderproceduresaccreditedasmeetingthecriteriaforAmer- icanNationalStandardsanditisanAmericanNationalStandard.TheStandardsCommitteethatapprovedthecode orstandardwasbalancedtoassurethatindividualsfromcompetentandconcernedinterestshavehadanoppor- tunitytoparticipate.Theproposedcodeorstandardwasmadeavailableforpublicreviewandcommentthatpro- vides an opportunity for additional public input from industry, academia, regulatory agencies, and the public- at-large. ASME does not “approve,”“rate,” or“endorse” any item, construction, proprietary device, oractivity. ASMEdoesnottakeanypositionwithrespecttothevalidityofanypatentrightsassertedinconnectionwithany itemsmentionedinthisdocument,anddoesnotundertaketoinsureanyoneutilizingastandardagainstliabilityfor infringement of any applicable letters patent, nor assume any such liability. Users of a code or standard are ex- pressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, is entirely theirown responsibility. Participationbyfederalagencyrepresentative(s)orperson(s)affiliatedwithindustryisnottobeinterpretedas government or industry endorsementof this code or standard. ASMEacceptsresponsibilityforonlythoseinterpretationsofthisdocumentissuedinaccordancewiththeestab- lished ASME procedures and policies, which precludes the issuance of interpretationsby individuals. The endnotes in this document (if any) arepartof this American National Standard. ASMEcollectivemembershipmark CertificationMark TheaboveASMEsymbolisregisteredintheU.S.PatentOffice. “ASME”isthetrademarkofTheAmericanSocietyofMechanicalEngineers. Nopartofthisdocumentmaybereproducedinanyform,inanelectronicretrieval systemorotherwise,withoutthepriorwrittenpermissionofthepublisher. LibraryofCongressCatalogCardNumber:56-3934 PrintedintheUnitedStatesofAmerica AdoptedbytheCouncilofTheAmericanSocietyofMechanicalEngineers,1914;latestedition2013. TheAmericanSocietyofMechanicalEngineers TwoParkAvenue,NewYork,NY10016-5990 Copyright©2013by THEAMERICANSOCIETYOFMECHANICALENGINEERS Allrightsreserved --``,``,`,````,````````,,,,``,,`-`-`,,`,,`,`,,`--- TABLE OF CONTENTS ListofSections ................................................................................ vi Foreword ..................................................................................... viii StatementofPolicyontheUseoftheCertificationMarkandCodeAuthorizationinAdvertising ............ x StatementofPolicyontheUseofASMEMarkingtoIdentifyManufacturedItems ........................ x SubmittalofTechnicalInquiriestotheBoilerandPressureVesselStandardsCommittees ................. xi Personnel ..................................................................................... xiii SummaryofChanges ........................................................................... xxviii ListofChangesinRecordNumberOrder .......................................................... xxix Cross-ReferencingandStylisticChangesintheBoilerandPressureVesselCode ......................... xxx Section1 General ......................................................... 1 1.01 Scope ............................................................ 1 1.02 UseofIllustrations ................................................ 1 1.03 Manufacturer’sInformation ......................................... 1 1.04 ReferencetoSectionIV ............................................ 1 1.05 GlossaryofTerms ................................................. 1 Section2 TypesofBoilers ................................................. 16 2.01 Classification ..................................................... 16 2.02 SteelBoilers ...................................................... 16 2.03 CastIronBoilers .................................................. 16 2.04 ModularBoilers ................................................... 16 2.05 VacuumBoilers ................................................... 16 --``,``,`,````,````````,,,,``,,`-`-`,,`,,`,`,,`---SS444ee...000cc231ttiioonn34 AAIFLFGniuuaccqscescetueleal—essslOflssaiioe.olNtsrdi.roia.eintPe..sues..rt....aar....lon,....ldMe....u....aIm....nn....su....Gtfa....aal....cslt....au(....tLri....ePo....dGn....,)....M...........ix......e......d................................................................................................................................................................................................................................................... 42244242182212 4.04 Coal ............................................................. 42 4.05 Electricity ........................................................ 43 Section5 FuelBurningEquipmentandFuelBurningControls ................. 44 5.01 GasBurningEquipment ............................................ 44 5.02 OilBurningEquipment ............................................. 44 5.03 CoalBurningEquipment ........................................... 44 5.04 Controls ......................................................... 45 Section6 BoilerRoomFacilities ............................................ 50 6.01 General .......................................................... 50 6.02 Safety ........................................................... 50 6.03 Lighting .......................................................... 50 6.04 Ventilation ....................................................... 50 6.05 WaterandDrainConnections ....................................... 50 6.06 FireProtection .................................................... 50 6.07 Housekeeping .................................................... 50 6.08 PostingofCertificatesand/orLicenses ............................... 51 6.09 Recordkeeping,Logs,etc. ........................................... 51 iii Section7 Operation,Maintenance,andRepair—SteamBoilers ............... 52 7.01 StartingaNewBoilerandHeatingSystem ............................ 52 7.02 StartingaBoilerafterLayup(SingleBoilerInstallation) ................. 53 7.03 Condensation ..................................................... 53 7.04 CuttinginanAdditionalBoiler ...................................... 53 7.05 Operation ........................................................ 53 7.06 RemovalofBoilerFromService ..................................... 55 7.07 Maintenance ...................................................... 55 7.08 BoilerRepairs .................................................... 57 7.09 TestsandInspectionsofSteamHeatingBoilers ........................ 57 Section8 Operation,Maintenance,andRepair—HotWaterBoilersandHotWater HeatingBoilers ................................................ 61 8.01 StartingaNewBoilerandHeatingSystem ............................ 61 8.02 StartingaBoilerAfterLayup(SingleBoilerInstallation) ................ 61 8.03 Condensation ..................................................... 62 8.04 CuttinginanAdditionalBoiler ...................................... 62 8.05 Operation ........................................................ 62 8.06 RemovalofBoilerfromService ...................................... 62 8.07 Maintenance ...................................................... 63 8.08 BoilerRepairs .................................................... 65 8.09 TestsandInspectionsofHotWaterHeatingandSupplyBoilers .......... 65 Section9 WaterTreatment ................................................ 69 9.01 Scope ............................................................ 69 9.02 Considerations .................................................... 69 9.03 ServicesofWaterTreatmentSpecialists .............................. 69 9.04 ConformitywithLocalOrdinances ................................... 69 9.05 BoilerWaterTroubles ............................................. 69 9.06 ChemicalsUsed ................................................... 69 9.07 FunctionsofChemicals ............................................. 70 9.08 TreatmentAlternatives ............................................. 70 9.09 Blowdown ....................................................... 70 9.10 Feeders .......................................................... 71 9.11 Procedures ....................................................... 71 9.12 WaterTreatmentTerms ............................................ 71 MandatoryAppendixI Exhibits ......................................................... 73 MandatoryAppendixIII StandardUnitsforUseinEquations ............................... 86 NonmandatoryAppendixA GuidancefortheUseofU.S.CustomaryandSIUnitsintheASMEBoiler andPressureVesselCode ....................................... 87 FIGURES 2.02A-1 HorizontalReturnTube,Brick‐Set ...................................................... 17 2.02A-2 GasFlowPatternsofScotch‐TypeBoilers ................................................ 17 2.02A-3 TypeCFireboxBoiler ................................................................. 18 2.02A-4 Three‐PassFireboxBoiler ............................................................. 18 2.02A-5 LocomotiveFireboxBoiler ............................................................. 19 2.02A-6 VerticalFiretubeBoiler ............................................................... 19 2.03A HorizontalSectionalCastIronBoiler .................................................... 20 2.03B VerticalSectionalCastIronBoiler ...................................................... 20 2.04A ModulesConnectedWithParallelPiping ................................................. 20 2.04B ModulesConnectedWithPrimary‐SecondaryPiping ....................................... 20 3.01 OfficialCertificationMark ............................................................. 21 3.01A SafetyValve ......................................................................... 22 3.01B SafetyReliefValve .................................................................... 23 3.02A FloatTypeLow‐WaterCutoff .......................................................... 23 iv --``,``,`,````,````````,,,,``,,`-`-`,,`,,`,`,,`--- 3.02B ElectricProbeTypeLow‐WaterControl ................................................. 24 3.03-1 ThermostaticTrap .................................................................... 25 3.03-2 FloatTrap ........................................................................... 25 3.03-3 FloatandThermostaticTrap ........................................................... 25 3.03-4 BucketTrapWithTrapClosed ......................................................... 25 3.05 TypicalReturnLoop .................................................................. 26 3.11 PressureGages ...................................................................... 27 3.20I SafetyReliefValveDischargePipe ...................................................... 31 3.30-1 SingleHotWaterHeatingBoiler—AcceptablePipingInstallation ........................... 34 3.30-2 HotWaterHeatingBoilersinBattery—AcceptablePipingInstallation ....................... 35 3.30-3 SingleSteamBoilers—AcceptablePipingInstallation ..................................... 36 3.30-4A SteamBoilersinBattery—PumpedReturn—AcceptablePipingInstallation ................. 37 3.30-4B SteamBoilersinBattery—GravityReturn—AcceptablePipingInstallation .................. 38 5.01A AtmosphericGasBurner .............................................................. 45 5.01C CombinationFuelBurners ............................................................. 46 5.02A High‐PressureAtomizingBurner ....................................................... 46 5.02D HorizontalRotaryCupFuelOilBurner .................................................. 47 5.03-1 UnderfeedSingle‐RetortStoker ......................................................... 48 5.03-2 OverthrowReciprocatingPlate-Feed-TypeSpreaderStoker ................................. 48 5.03-3 ChainGrateStokerWithSectionShowingLinks ........................................... 49 TABLES 3.20 MinimumPoundsofSteamPerHourPerSquareFootofHeatingSurface(kg/h/m2) ........... 28 3.31C-1 ExpansionTankCapacitiesforGravityHotWaterSystems ................................. 39 3.31C-2 ExpansionTankCapacitiesforForcedHotWaterSystems .................................. 40 3.33 SizeofBottomBlowoffPiping,Valves,andCocks ......................................... 40 III-1 StandardUnitsforUseinEquations .................................................... 86 FORMS I.01-1 ExhibitA ............................................................................. 74 I.02-1 ExhibitB ............................................................................. 77 ENDNOTES ................................................................................... 91 INDEX ........................................................................................ 93 v --``,``,`,````,````````,,,,``,,`-`-`,,`,,`,`,,`--- LIST OF SECTIONS ð13Þ SECTIONS I RulesforConstructionofPowerBoilers II Materials • PartA—FerrousMaterialSpecifications • PartB—NonferrousMaterialSpecifications • PartC—SpecificationsforWeldingRods,Electrodes,andFillerMetals • PartD—Properties(Customary) • PartD—Properties(Metric) III RulesforConstructionofNuclearFacilityComponents • SubsectionNCA—GeneralRequirementsforDivision1andDivision2 • Appendices • Division1 – SubsectionNB—Class1Components – SubsectionNC—Class2Components – SubsectionND—Class3Components – SubsectionNE—ClassMCComponents – SubsectionNF—Supports – SubsectionNG—CoreSupportStructures – SubsectionNH—Class1ComponentsinElevatedTemperatureService • Division2—CodeforConcreteContainments • Division3—ContainmentsforTransportationandStorageofSpentNuclearFuelandHighLevelRadioactive MaterialandWaste • Division5—HighTemperatureReactors IV RulesforConstructionofHeatingBoilers V NondestructiveExamination VI RecommendedRulesfortheCareandOperationofHeatingBoilers VII RecommendedGuidelinesfortheCareofPowerBoilers VIII RulesforConstructionofPressureVessels • Division1 • Division2—AlternativeRules • Division3—AlternativeRulesforConstructionofHighPressureVessels IX Welding,Brazing,andFusingQualifications X Fiber-ReinforcedPlasticPressureVessels XI RulesforInserviceInspectionofNuclearPowerPlantComponents XII RulesforConstructionandContinuedServiceofTransportTanks vi --``,``,`,````,````````,,,,``,,`-`-`,,`,,`,`,,`--- INTERPRETATIONS ASMEissueswrittenrepliestoinquiriesconcerninginterpretationoftechnicalaspectsoftheCode. InterpretationsoftheCodearepostedinJanuaryandJulyathttp://cstools.asme.org/interpretations.cfm.AnyInterpre- tationsissuedduringtheprevioustwocalendaryearsareincludedwiththepublicationoftheapplicableSectionofthe Code.InterpretationsofSectionIII,Divisions1and2andSectionIIIAppendicesareincludedwithSubsectionNCA. CODE CASES TheBoilerandPressureVesselCodecommitteesmeetregularlytoconsiderproposedadditionsandrevisionstothe Codeand toformulate Cases toclarify the intent ofexisting requirementsor provide, when theneed is urgent, rules for materialsor constructions notcovered by existing Code rules.ThoseCasesthat havebeenadopted willappearin theappropriate2013CodeCasesbook:“BoilersandPressureVessels”or“NuclearComponents.”Supplementswillbe sentautomaticallytothepurchasersoftheCodeCasesbooksuptothepublicationofthe2015Code. --``,``,`,````,````````,,,,``,,`-`-`,,`,,`,`,,`--- vii FOREWORD ð13Þ (ThisForewordisprovidedasanaidtotheuserandisnotpartoftherulesofthisCode.) In1911,TheAmericanSocietyofMechanicalEngineersestablishedtheBoilerandPressureVesselCommitteetofor- mulatestandardrulesfortheconstructionofsteamboilersandotherpressurevessels.In2009,theBoilerandPressure VesselCommitteewassupersededbythefollowingcommittees: (a)CommitteeonPowerBoilers(I) (((((((--``,``,`,````,````````,,,,``,,`-`-`,,`,,`,`,,`---bcdefgh)))))))CCCCCCCooooooommmmmmmmmmmmmmiiiiiiitttttttttttttteeeeeeeeeeeeeeooooooonnnnnnnMCHNPWFioreobaeenantelsestddrsitri-neurniRsagurgetlecs,rBitnuBVio(ofcreIiontIlasei)rzsvcroeiesenfldsgE(NI,x(PVuaValc)namIlIsdeIita)niFrcautFPsiaorincenisgls(it(VuyIr)XeC)oVmespsoenlsen(Xts)(III) (i) CommitteeonNuclearInserviceInspection(XI) (j) CommitteeonTransportTanks(XII) Wherereferenceismadeto“theCommittee”inthisForeword,eachofthesecommitteesisincludedindividuallyand collectively. The Committee's function is to establish rules of safety relating only to pressure integrity, which govern the construction*ofboilers,pressurevessels,transporttanks,andnuclearcomponents,andtheinserviceinspectionofnu- clearcomponentsandtransporttanks.TheCommitteealsointerpretstheseruleswhenquestionsariseregardingtheir intent.ThisCodedoesnotaddressothersafetyissuesrelatingtotheconstructionofboilers,pressurevessels,transport tanks,ornuclearcomponents,ortheinserviceinspectionofnuclearcomponentsortransporttanks.UsersoftheCode shouldrefertothepertinentcodes,standards,laws,regulations,orotherrelevantdocumentsforsafetyissuesotherthan thoserelatingtopressureintegrity.ExceptforSectionsXIandXII,andwithafewotherexceptions,therulesdonot,of practicalnecessity,reflectthelikelihoodandconsequencesofdeteriorationinservicerelatedtospecificservicefluidsor externaloperatingenvironments.Informulatingtherules,theCommitteeconsiderstheneedsofusers,manufacturers, andinspectorsofpressurevessels.Theobjectiveoftherulesistoaffordreasonablycertainprotectionoflifeandprop- erty,andtoprovideamarginfordeteriorationinservicetogiveareasonablylong,safeperiodofusefulness.Advance- mentsindesignandmaterialsandevidenceofexperiencehavebeenrecognized. ThisCodecontainsmandatoryrequirements,specificprohibitions,andnonmandatoryguidanceforconstructionactiv- itiesandinserviceinspectionandtestingactivities.TheCodedoesnotaddressallaspectsoftheseactivitiesandthose aspectsthatarenotspecificallyaddressedshouldnotbeconsideredprohibited.TheCodeisnotahandbookandcannot replaceeducation,experience,andtheuseofengineeringjudgment.Thephraseengineeringjudgementreferstotechnical judgmentsmadebyknowledgeableengineersexperiencedintheapplicationoftheCode.Engineeringjudgmentsmustbe consistentwithCodephilosophy,andsuchjudgmentsmustneverbeusedtooverrulemandatoryrequirementsorspecific prohibitionsoftheCode. TheCommitteerecognizesthattoolsandtechniquesusedfordesignandanalysischangeastechnologyprogressesand expectsengineerstousegoodjudgmentintheapplicationofthesetools.Thedesignerisresponsibleforcomplyingwith CoderulesanddemonstratingcompliancewithCodeequationswhensuchequationsaremandatory.TheCodeneither requiresnorprohibitstheuseofcomputersforthedesignoranalysisofcomponentsconstructedtotherequirements oftheCode.However,designersandengineersusingcomputerprogramsfordesignoranalysisarecautionedthatthey areresponsibleforalltechnicalassumptionsinherentintheprogramstheyuseandtheapplicationoftheseprogramsto theirdesign. *Construction,asusedinthisForeword,isanall-inclusivetermcomprisingmaterials,design,fabrication,examination,inspection,testing,cer- tification,andpressurerelief. viii
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