GB 50372-2006 GB50372-2006炼铁机械设备工程安装验收规范-英文

专用

人人文库

NATIONALSTANDARD

OFTHEPEOPLESREPUBLICOFCHINA

CodeforInstallationAcceptanceofMetallurgicalMachinery

IronmakingEquipmentEngineering

GB50372-2006

ChiefDevelopmentDepartment:ChinaMetallurgicalConstructionAssociation

ApprovalDepartment:MinistryofConstruction

ofthePeoplesRepublicofChina

ImplementationDate:April1,2007专用

人人文库

ChinaPlanningPress

Beijing2015

图书在版编目(CIP)数据

炼铁机械设备工程安装验收规范英文中华人民共和国

GB50372-2006:/

住房和城乡建设部组织编译北京中国计划出版社

.—:,2015.12

ISBN978-7-5182-0331-4

中炼铁设备设备安装工程验收国家标

Ⅰ.①G…Ⅱ.①…Ⅲ.①---

准中国英文

--Ⅳ.①TF31-65

中国版本图书馆数据核字第号

CIP(2015)289989

ChineseeditionfirstpublishedinthePeoplesRepublicofChinain2006

EnglisheditionfirstpublishedinthePeoplesRepublicofChinain2015

byChinaPlanningPress

rd专用

3Floor,CTower,GuohongBuilding

No.A11,Muxidi-Beili,XichengDistrict

Beijing,100038

PrintedinChinabyBeijingJinghuaHucaisPrintingCO.,LTD

Ź2006byMinistryofIndustryandInformationTechnologyof

thePeoplesRepublicofChina

Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformor

byanymea人人文库ns,graphic,electronic,ormechanical,includingphotocopying,recording,

oranyinformationstorageandretrievalsystems,withoutwrittenpermissionofthepublisher.

Thisbookissoldsubjecttotheconditionthatitshallnot,bywayoftradeorotherwise,belent,

resold,hiredoutorotherwisecirculatedwithoutthepublisherspriorconsentinanyformof

blindingorcoverotherthanthatinwhichthisispublishedandwithoutasimilarcondition

includingthisconditionbeingimposedonthesubsequentpurchaser.

ISBN978-7-5182-0331-4

AnnouncementofMinistryofConstruction

ofthePeoplesRepublicofChina

No.491

Noticeonpublishingthenationalstandardof

CodeforInstallationAcceptanceofMetallurgical

MachineryIronmakingEquipmentEngineering

CodeforInstallationAcceptanceofMetallurgicalMachineryIronmakingEquipment

The

Engineering

hasbeenapprovedasanationalstandardwithaserialnumberofGB50372-2006and

willbeimplementedonApril1,2007.Articles2.0.6,2.0.15,5.2.2,5.2.5,5.2.7arecompulsory

provisionsandmustbeenforcedstrictly.

AuthorizedbyMOCsResearchInstituteonStandardQuota,thisstandardispublishedand

distributedbyChinaPlanningPress.专用

MinistryofConstructionofthePeoplesRepublicofChina

September.6,2006

人人文库

Forward

AccordingtotherequirementsofDocumentJianBiao[2005]No.124issuedbyMinistryof

NoticeonIssuingtheDevelopmentandRevisionPlanofNational

Construction(MOC),

EngineeringConstructionStandardsinthesecondbatch

2005(),thisstandardispreparedjointly

byShanghaiBAOYEGroupCorporationLimitedandrelevantorganizations.

Duringdevelopment,thedevelopmentgroupofthecodehaslearntrelevantnationallaws,

regulationsandstandards,conductedstudies,summarizedexperienceofinstallationacceptanceof

metallurgicalmachineryironmakingequipmentengineering,discussedtheprovisionsofthecodefor

manytimes,widelysolicitedcommentsfromrelevantorganizationsandexpertsandfinalizedthe

draftafterreview.

Thecodecomprisesof19chapters,includinggeneral,basicprovisions,equipmentfoundation,

anchorboltandpaddingplate,mobilizationofequipmentsandmaterials,processstructural

steelwork,installationengineeringofblastfurnacebodyequipment,installationengineeringofblast

furnacebell-lesstopequipment,installationengineeringoffee专用dingequipment,installation

engineeringchargingequipment,installationengineeringoftuyereplatformandcasthouse

equipment,installationengineeringofhot-blaststoveequipment,installationengineeringofblast

furnaceair-blowingequipment,installationengineeringofgaspurificationequipment,installation

engineeringofblastfurnacepulverizedcoalinjection(PCI)equipment,installationengineeringof

slagtreatmentequipment,installationengineeringofirontreatmentequipment,installation

engineeringofmillingequipment,installationengineeringofwatertreatmentequipment,leakage

testforblastfurnacesystemand6appendices.Thedivisionalworksformetallurgicalmachinery

ironmakingequipmentengineeringisincludedinChapter5toChapter18,thesub-individualworks

areincludedintheprovisionsinChapter3-Equipment,anchorboltandpaddingplateofequipment

andChapter4-Mobilizationofequipmentsandmaterialsandcommonqualitycontrolelementsfor

allsub-divisionalworks,therefore,thesetwoaredevelopedindividuallyasachapter.

Theprovision(s)printedinboldtypeis(are)compulsoryone(ones)andmustbeenforced

strictly.

TheMinistryofConstructionisinchargeoftheadministrationofthisstandardandShanghai

BAOYEGroupCo人人文库rporationLimitedisinchargeoftheexplanationofthecompulsoryprovisions.

Pleasecombinewiththeactualengineeringconditionsandsummarizeexperienceduringexecution

ofthecode,andpleasesubmityourcommentsandsuggestionstoTechnicalCenterofShanghai

BAOYEGroupCorporationLimited(Address:ScienceBuilding,No.168,SiyuanRoad,Yuepu,

BaoshanDistrict,Shanghai;Zipcode:200941;email:zyl429@;Fax

forreferenceofsubsequentdevelopmentwhenitneedsmodificationandaddition.

ChiefDevelopmentOrganization,ParticipatingDevelopmentOrganizationsandChiefDrafting

Staffareasfollows.

ChiefDevelomentOranization

pg:

ShanghaiBAOYEGroupCorporationLimited

·1·

ParticiatinDevelomentOranizations

pgpg:

ChinaFirstMetallurgicalGroupCo.,Ltd

BaoSteelConstructionQualitySupervisionSubstation,QualitySupervision

StationofMetallurgicalEngineering

ChiefDraftinStaff

g:

TangYanLiuHongliangDingMingfuXuLiqingSongMaoxiang

ChenRonglinYouTaiJinHong

专用

人人文库

·2·

Contents

……………

1GeneralProvisions(1)

………………

2BasicProvisions(2)

…………………

3EquipmentFoundation,AnchorBoltsandPaddingPlate(7)

……………

3.1GeneralProvisions(7)

…………

3.2EquipmentFoundation(7)

…………………

3.3AnchorBolt(7)

…………………

3.4PaddingPlate(8)

…………………

4MobilizationofEquipmentsandMaterials(9)

……………

4.1GeneralProvisions(9)

………………………

4.2EquipmentsandElements(9)

…………………

4.3RawMaterials(9)

………………

5ProcessStructuralSteelwork(11)

……………

5.1GeneralProvisions(11)

………………………

5.2Weldin专用

g(11)

………………

5.3ConnectionofHigh-strengthBolts(14)

…………

5.4FabricationofFrame,Corridors,Truss(15)

………………

5.5FabricationofLarge-diameterCoil-weldedSteelPipe(18)

……………

5.6FabricationofShell(20)

…………

5.7InstallationofFrame(23)

…………………

5.8InstallationofCorridors,Truss(24)

……………

5.9InstallationofShell(25)

……………

5.10InstallationofLarge-diameterCoil-weldedSteelPipe(29)

……………………

5.11PaintingWorksforProcessSteelStructure(31)

………………

6InstallationEngineeringofBlastFurnaceBodyEquipment(33)

……………

6.1GeneralProvisions(33)

………………

6.2FurnaceBodyCoolingEquipment(33)

…………………

6.3TuyereDevice(34)

……………

6.4SlagholeDevic人人文库eandTapholeSleeve(35)

…………

6.5GasSamplingDevice(36)

…………

6.6CommissioningofGasSamplingDevice(37)

……………

6.7ThroatSteelBrick(37)

………………………

6.8FurnaceTopGuardShield(39)

……

7InstallationEngineeringofBlastFurnaceBell-lessTopEquipment(40)

……………

7.1GeneralProvisions(40)

…………………

7.2TransmissionGearBoxwithDistributionChute(40)

………………………

7.3Bellows(40)

……………………

7.4ValveBox(41)

·1·

………………

7.5ChargingBucket(41)

……………

7.6ReceivingHopper(42)

…………………

7.7CommissioningofBell-lessChargingEquipment(43)

………………………

7.8VerticalDetectingDevice(44)

………

7.9CommissioningofVerticalDetectingDevice(45)

…………

7.10Blow-offValve,EqualizerValveonTop(45)

………………

7.11CommissioningofBlow-offValve,EqualizingValve(46)

…………

7.12TopIgnitionDevice(46)

…………

7.13CommissioningofTopIgnitionDevice(47)

…………

7.14ThroatSprayDevice(47)

…………

7.15ThroatTemperatureMeasuringDevice(47)

……………

8InstallationEngineeringofFeedingEquipment(49)

……………

8.1GeneralProvisions(49)

……………………

8.2ElectricBeltDischargingCar(49)

…………………

8.3CommissioningofElectricBeltDischargingCar(49)

………………

8.4WeighingHopper(50)

……………

8.5CommissioningofWeighingHopper(50)

…………………

8.6CokeCutter(50)

………专用…………

8.7CommissioningofCokeCutter(51)

…………

9InstallationEngineeringofChargingEquipment(52)

……………

9.1GeneralProvisions(52)

………………………

9.2SkipChargingEquipment(52)

………

9.3CommissioningofSkipChargingEquipment(53)

………………………

9.4BeltChargingEquipment(53)

………

9.5CommissioningofBeltChargingEquipment(55)

………………

10InstallationEngineeringofTuyerePlatformandCastHouseEquipment(57)

……………

10.1GeneralProvisions(57)

…………

10.2HydraulicClayGun(57)

…………

10.3CommissioningofHydraulicClayGun(57)

……………

10.4TapholeMachine(58)

……………

10.5CommissioningofTapholeMachine(59)

…………………

10.6SlagStopper(60)

…………………

10.7Commissionin人人文库gofSlagStopper(60)

……………………

10.8Slag,IronChuteandGate(60)

…………

10.9SwingingIronNozzle(61)

………

10.10CommissioningofSwingingIronNozzle(61)

…………………

10.11MainChuteCoverCarriage(62)

…………………

10.12CommissioningofMainChuteCoverCarriage(62)

…………………

11InstallationEngineeringofHot-blastStoveEquipment(64)

……………

11.1GeneralProvisions(64)

…………

11.2SnoutandSupports(64)

……………………

11.3Sleeve-typeBurnerandCombustionAirFan(64)

·2·

…………

11.4CommissioningofCombustionAirFan(65)

……………………

11.5ValvesofHot-blastStove(65)

………

11.6CommissioningofHot-blastStoveValve(67)

……

12InstallationEngineeringofBlastFurnaceAir-blowingEquipment(68)

……………

12.1GeneralProvisions(68)

…………………

12.2AxialBlower(68)

………………

12.3CommissioningofAxialBlower(70)

……………………

12.4AirFilter(71)

……………………

12.5OverallNo-loadCommissioningofAirFilter(72)

…………………

12.6Dehumidifier(72)

………………………

12.7Valve(73)

………………………

12.8CommissioningofValve(73)

…………………

13InstallationEngineeringofGasPurificationEquipment(75)

……………

13.1GeneralProvisions(75)

…………

13.2GasShut-OffValvesofDustRemover(75)

…………

13.3CommissioningofGasShut-offvalvesofDustRemover(75)

…………………

13.4AshValveofDustCollectorandGasAshMixer(76)

………………

13.5CommissioningofAshValveofDustCollectorandGasAshMixer(76)

……………专用…………

13.6ValveGroupforGasPressureRegulating(76)

……………

13.7CommissioningofGasPressure-regulatingValveUnit(77)

……

13.8Pressure-regulatingDeviceofCircumferentialWeldScrubber(77)

……

13.9CommissioningofPressure-regulatingDeviceofCircumferentialWeldScrubber(78)

…………

13.10GasBlow-offValve(79)

…………

13.11CommissioningofGasBlow-offValve(79)

…………

13.12HorizontalSilencer(79)

…………

13.13Blade-typeInserter(80)

14InstallationEngineeringofBlastFurnacePulverizedCoalInjection(PCI)

……………………

Equipment(82)

……………

14.1GeneralProvisions(82)

………………

14.2Bin-typePump(82)

…………

14.3Raw-coalBinandPulverizedCoalTank(82)

………………………

14.4PulverizedCoalCollector(83)

………………

14.5InjectionSyst人人文库em(85)

…………………

15InstallationEngineeringofSlagTreatmentEquipment(86)

……………

15.1GeneralProvisions(86)

……………

15.2BlowingBoxandWaterSlagTank(86)

………

15.3Rotary-drumSlagGranulationEquipment(86)

………………

15.4CommissioningofRotary-drumSlagGranulationFilterEquipment(87)

…………………

15.5ImpactBaffle(87)

…………………

16InstallationEngineeringofIronTreatmentEquipment(89)

……………

16.1GeneralProvisions(89)

…………

16.2IronCastingMachine(89)

·3·

…………

16.3CommissioningofIronCastingMachine(90)

…………………

16.4Floor-typeTip-overWindlass(90)

…………………

16.5CommissioningofFloor-typeTip-overWindlass(91)

………………

16.6FrontColumn(91)

……………………

16.7Plate-typeRotaryUnloader(92)

…………………

16.8CommissioningofPlate-typeRotaryUnloader(92)

……………

17InstallationEngineeringofMillingEquipment(94)

……………

17.1GeneralProvisions(94)

………………

17.22-stageVibratingCokeCrusher(94)

………………

17.3Commissioningof2-stageVibratingCokeCrusher(94)

……………………

17.4ClayMill(94)

……………………

17.5CommissioningofClayMill(95)

………………………

17.6Shaper(95)

………………………

17.7CommissioningofShaper(95)

………………

18InstallationEngineeringofWaterTreatmentEquipment(97)

……………

18.1GeneralProvisions(97)

……………

18.2TopTrolleyofSedimentationTank(97)

……………

18.3CommissioningofTopTrolleyofSedimentationTank(97)

………专用…………

18.4Float-typeOilCollectorofSedimentationTank(98)

…………………

18.5CommissioningofFloat-typeOilCollectorofSedimentationTank(98)

…………

18.6HorizontalPlate-and-frameFilterPress(98)

………

18.7CommissioningofHorizontalPlate-and-frameFilterPress(99)

……………

18.8Pressure-typeCylinder-shapedFilter(100)

……………………

18.9Ion-exchangeResinTower(101)

…………………

18.10TopFanonCoolingTower(101)

…………………

18.11CommissioningofTopFanonCoolingTower(102)

…………………

18.12MetalTank(102)

………………

18.13VerticalMixer(103)

……………

18.14CommissioningofVerticalMixer(103)

…………

19OverallLeakageTestforBlastFurnaceSystem(104)

……………

19.1GeneralProvisions(104)

…………………

19.2OverallLeakageTestforBlastFurnaceSystem(104)

AppendixAQual人人文库ityRecordSheetforSub-divisionalWorksofInstallationAcceptanceof

……

MetallurgicalMachineryIronmakingEquipmentEngineering(105)

AppendixBQualityAcceptanceRecordSheetforDivisionalWorksofInstallationfor

………………

MetallurgicalMachineryIronmakingEquipmentEngineering(106)

AppendixCQualityAcceptanceRecordSheetforUnitWorksofInstallationfor

………………

MetallurgicalMachineryIronmakingEquipmentEngineering(107)

AppendixDNo-loadCommissioningRecordofMetallurgicalMachineryIronmaking

…………

EquipmentEngineering(110)

………………

AppendixEPressureTestforPressure-holdingEquipment(112)

AppendixFSealingRequirementsbetweenvalvepetalandValveSeatforBlow-off

·4·

Valve,EqualizingValve,Hot-blaststoveShut-offValve,GasShut-off

…………

ValveandAshValveofDustCollector(113)

…………

ExplanationofWordinginThisCode(114)

……………

Addition:ExplanationforProvisions(115)

专用

人人文库

·5·

1GeneralProvisions

1.0.1

Thisstandardispreparedwithaviewtoenhancequalitymanagementforinstallationof

metallurgicalmachinery,unifytheinstallationacceptanceofmetallurgicalmachineryironmaking

equipmentengineeringandguaranteeengineeringquality.

1.0.2

Thisstandardisapplicabletotheinstallationacceptanceofmetallurgicalmachineryironmaking

equipmentengineeringforblastfurnaceandsmeltingreduction(COREX)furnacewithavolumeof

3

1000morabove.

1.0.3

Allrequirementsintheengineeringtechnicaldocumentsandcontractoninstallationquality

formetallurgicalmachineryironmakingequipmentengineeringshallnotbelessthanthose

stipulatedinthisstandard.

1.0.4

Notonlytherequirementsstipulatedinthisstandard,butalsothoseinthecurrentrelevant

onesofthenationandindustryshallbecompliedfortheinstallationacceptanceofmetallurgical

machineryironmakingequipmentengineering.专用

人人文库

·1·

2BasicProvisions

2.0.1

Theinstallationandconstructioncontractorformetallurgicalmachineryironmaking

equipmentengineeringshallbequalifiedforrelevantworks,theconstructionandtechnical

standards,soundqualitymanagementsystem,qualitycontrolandinspectionsystemshallbe

establishedonsite,inaddition,relevanttechnicaldocumentsthatareapprovedbythetechnical

leaderoftheproject,e.g.constructionmanagementplan,methodstatement,workinstructions,etc

shallbeprovided.

2.0.2

Theconstructiondrawingsmustbemodifiedwiththedesignchangenoticeortechnical

verificationdocumentissuedbythedesigninstitute.

2.0.3

Theverifiedandcalibratedmeasurementinstrumentsmustbeusedduringqualityinspectionand

acceptanceofmetallurgicalmachineryironmakingequipmentengineering.

2.0.4

Themetallurgicalmachineryironmakingequipmentengineeringshallbeinstalledaccording

tospecifiedprocedure,thehand-overinspectionandrecordsshallbeprovidedbetweendifferent

typeofworkindifferentdisciplines;thequalityofallprocessesinow专用ndisciplineshallbecontrolled

accordingtoconstructionandtechnicalstandardsandtheinspectionshallbeorganizedandrecords

shallbetakenwhenoneprocessiscompleted.Thenextprocedureshallnotcommenceuntilits

previousoneisaccepted.

2.0.5

Relevantorganizationshallbeinformedaboutacceptanceonsecondarygroutingandother

concealedworksforequipmentsinmetallurgicalmachineryironmakingequipmentengineering,

relevantacceptancedocumentsshallalsobeprovided.

2.0.6Thesafetyprotectiondevicesformachinesandequipmentsshallmeettherequirementsof

designdocuments,thecommissioningshallbecompletedduringtestrunforthedevicesthatrequire

commissioningandthefunctionsshallmeettherequirementsofdesigndocuments.

2.0.7

Theinstallationqualityofequipmentsandaccessoriesshallbecheckedbeforecommissioningof

machinesandequipments,thetype,specifications,amountoflubricantgreaseshallbefilledinallmoving

partsinaccordancewiththerequirementsofdesigndocument.

2.0.8

Theinstallationacceptanceofmetallurgicalmachineryironmakingequipmentengineering

shallbeexecutedbasedonselfcheckbythecontractorandrespectivelyforsub-divisionalworks,

divisionalworksan人人文库dunitprojects.Divisionalworksandsub-divisionalworksshouldbedividedas

pertherequirementsinTable2.0.8.Theunitworkcanbedividedaspertheprocesssystemsor

theusefunctions.AdivisionalworkinTable2.0.8canbeseemedasaunitwork.Forinstance,the

processstructuralsteelworkofblastfurnacebody,installationengineeringofblastfurnacebody

equipmentsandsooncanbeseemedasunitworks.Two,threeorfourdivisionalworkscanalsobe

jointlyseemedasaunitwork.Forinstance,thetwodivisionalworksofinstallationengineeringof

oresiloequipmentandinstallationengineeringofcokesiloequipment,canbeclassifiedasaunit

workofinstallationengineeringofblastfurnacefeedingequipment.

·2·

Table2.0.8Classificationofdivisionalandsub-divisionalworksformetallurgicalmachineryironmakingequipmentengineering

No.NameofdivisionalworksNameofsub-divisionalworks

Welding,fabrication,boltconnection,installation,coatingforbottomplate,bottom

Processstructuralsteelworkwater-cooledbeam,hearthsection,tuyeresection,boshsection,bellysection,body,throat

1

ofblastfurnacebodysection,topsealingplate,topflange,guidepipe,riser,downcomer,bustlepipethatare

connectedwithshell,etc.

ProcessstructuralsteelworkWelding,fabrication,boltconnection,installation,coatingforupper/lowerframeof

2

ofblastfurnacebodyframefurnacebody,topsteelframe,topsupportforequipment,steelstairsframe,platform,etc.

ProcessstructuralsteelworkWelding,fabrication,boltconnection,installation,coatingforhot-blaststoveshell

3ofhot-blaststovebodyand(regenerativechambershell,burnerchambershell),hotmain,hot-blaststovegas

ancillaryworkspurificationpipe,etc.

Processstructuralsteelwork

Welding,fabrication,boltconnection,installation,coatingforskewbridgeonloader,belt

4ofskewbridgeorcorridors

conveyorcorridorstrussandsupport,etc.

trussofloader

Welding,fabrication,boltconnection,installation,coatingfordustcollectorshell,

5Processstructuralsteelwork

scrubbershell,venturiscrubbershell,dehydratorshell,pipebetweenprocessstructures,

ofgaspurificationsystem

pipebetweengaspressure-regulatingvalveunits(orjointonnetworkoffillerdehydrator)

Processstructuralsteelwork专用

Welding,fabrication,boltconnection,installation,coatingandinsulatingforcoldduct,

oflarge-diametercoil-welded

6cleangasmainaftergaspressure-regulatingvalve(orfillerdehydrator),cleangaspipe,

steelpipeforplantareaand

pressure-equalizingtoTRT,etc.

withinplantarea

InstallationengineeringofFurnacebodycoolingequipment,tuyeredevice,slagholedevice,tapholesleeve,gas

7

blastfurnacebodyequipmentsamplingdevice,throatsteelbrick,topguardshield,etc.

TransmissiongearboxwithdistributionChuteanddistributionChute,bellows,valve

Installationengineeringofbox,tankwithmovementtrackandsealingvalve,fixedreceivinghopperandfeedingswitch

8

bell-lesstopchargingequipmentvalve,loadingvalveboxforfixedreceivinghopper,receivinghopperwithtravelingtrack

andtrack,etc.

InstallationengineeringofVerticaldetectingdevice,gasblow-offvalve,equalizingvalveanditsgearing,topignition

9

othertopauxiliaryequipmentdevice,throatwateringdevice,throattemperaturemeasuringdevice,etc.

Installationengineeringof

Hydraulicclaygun,ironnotchdrill,slagstopper,slag,ironchuteanditsgate,swinging

10tuyereplatformandcasthouse

ironnozzle,mainchutecovercarriage,etc.

equipment人人文库

InstallationengineeringofSnoutandsupports,sleeve-typeburnerandcombustionairfan,hot-blaststovevalveand

11

hot-blaststoveequipmentitsgearing,etc.

Gasshut-offvalvesofdustremoveranditswindlass,dustcollectordustvalveandgas

Installationengineeringofashmixer,dustcollectorblow-offvalveanditsgearing,gaspressure-regulatingvalveunit,

12

gaspurificationequipmenthorizontalsilencer,blade-typeinserter,pressureregulatingdeviceoncircumferentialweld

scrubber,circumferentialweldscrubber,dehydratorblow-offvalve,etc.

InstallationengineeringofElectricbeltunloadercar,vibratingfeeder,feedinggate,weighingdeviceandhopper,

13

orechuteequipmentvibratingscreen,beltconveyor,sampler,sheetirondetectorandremover,etc.

·3·

Table2.0.8(Continued)

No.NameofdivisionalworksNameofsub-divisionalworks

InstallationengineeringofVibratingscreen,vibratingfeeder,feedinggate,beltconveyor,cokecutterandits

14

cokechuteequipmentwindlass,skewbridge,etc.

Installationengineeringof

15Weighingdeviceandhopper,gate,switchingchute,sampler,etc.

intermediatesiloequipment

Chargingcaranditswindlass,ropesheave,etc.

Installationengineeringof

16Loadinbeltconveorandearin,beltcleanerandhoer,chute,rocessinand

chargingequipmentgyggpppg

vulcanizationofbeltjoint,supportrollerhandlingcar,etc.

Foundationpaddingplate,turbinebody,acousticworks,etc.

Installationengineeringof

17Electricbutterflvalve,olevalve,emerencshut-offvalve,reulatinvalve,NK

TRTandauxiliaryequipmentyggggygg

valve,misteliminator,etc.

Body,foundationpaddingplate,turninggearofaxialblower,etc.

Installationengineeringofaxial,,,,

18Airfilterdehumidifiershellandcoolerairsupplyswitchvalvereleasevalvereducer

blowerandauxiliareuiment

yqpvalve,suctionvalve,checkvalve,supplyvalve,expansionjoint,silencer,insulatingworks,

etc.

Injectionboxandwaterslagtank,impactbaffle,waterslagpump,beltconveyor,rotary

Installationengineeringof专用

19drumfilter,finishedwaterslagtank,swingingtank,dischargingvalve,waterfilterdevice,

slagtreatmentequipment

etc.

InstallationengineeringofIroncastingmachineandancillaryequipment,floor-typetip-overwindlass,plate-type

20

ironprocessingequipmentrotarymachine,etc

Installationengineeringof2-stagevibratingcokecrusher,pugmill,shaper,mixingmachine,platform,conveyor,

21

slagtreatmentequipmentweighingdevice,samplingdevice,etc.

Toptrolleyofsedimentationtank,float-typeoilcollectorofsedimentationtank,

Installationengineeringof

22horizontalplate-and-framefilterpress,pressure-typecylinder-shapedfilter,ion-exchanger

watertreatmentequipment

resintower,topfanoncoolingtower,metaltank,verticalmixer,etc.

Coalpowderproductionequipment:rawcoalbeltconveyor,raw-coalbin,coalfeeder,

drier,coalgrinder,fan,pulverizedcoalcollector,vibratingscreen,etc.

Installationengineeringof

23blastfurnacepulverizedcoalCoalstorageequipment:coalstoragetank,pneumaticvalve,feedingvalve,etc.

injection(PCI)equipment

人人文库Injectionequipment:injectiontank,nitrogentank

Bin-typepump

2.0.9

Thequalityofsub-divisionalworksshallbeacceptedinaccordancewiththefollowing

requirements:

1

Theinspectionresultsofdominantitemsareinaccordancewiththequalitystandard

requirementsinthisstandard.

2

Asfortheinspectionresultsofgeneralitems,allmachinesandequipmentsshallmeetthe

requirementsofthisstandard.80%oraboveinspectionpoints(values)ofprocesssteelstructure

shallmeetthequalitystandardrequirementsofthisstandard,andthemeasuredvalueshallnot

exceed1.2timesoftheallowabledeviation.

·4·

3

Thequalityinspectionrecordsandqualitycertificatesarecomplete.

2.0.10

Thequalityofdivisionalworksshallbeacceptedinaccordancewiththefollowingrequirements:

1

Thequalityofallsub-divisionalworksinthedivisionalworksisaccepted.

2

Thequalitycontroldocumentsarecomplete.

3

Theno-loadcommissioningofindividualequipmentisaccepted.

2.0.11

Thequalityofunitworksshallbeacceptedinaccordancewiththefollowingrequirements:

1

Thequalityofalldivisionalworksintheunitworksisaccepted.

2

Thequalitycontroldocumentsarecomplete.

3

Theno-loadjointcommissioningofequipmentsisaccepted.

4

Theappearancequalityisaccepted.

2.0.12

Theinspectionitemsforappearancequalityofunitworksshallbeinaccordancewiththe

followingrequirements:

1

Connectingbolt:thebolt,nutandgasketarefullyconfiguredaccordingtothedesign

document,thefastenedboltshallbeexposedoutofthenutorflushwiththenut,theexposed

threadshallhavenodamageandtheboltsshallbefastenedinthesamedirectionexceptthosedue

tostructuralcause.

2

Sealingstate:noobviousoilleak,waterleak,gasleak.

3

Pipelaying:pipesarearrangedinastraightandorderlymanner.

4专用

Arrangementofacousticandthermalinsulatingmaterials:materialsareeveninthickness,

firmlyboundandrelativelyflatonsurface.

5

Paintingandcoating:paintisevenlyplasteredwithnoholiday,peelingandobviouswrinklingor

bubbling,thecolorisbasicallyuniform.

6

Walkingboard,ladderandhandrail:theseelementsarefirmlyfixedwithnoobviousappearance

defect.

7

Weldingseam:weldsarerelativelyeven,theslagandspatterarebasicallycleared.

8

Cut:thereisnocinderatcut.

9

Finishedproductsprotection:allequipmentshavenodamageandtheexposedprocessing

facesareproperlyprotected.

10

Housekeeping:theconstructionsiteiscontrolledinanorderlymanneranthereareno

constructionsundriesaroundequipment.

Atleast10pointsshallberandomlyinspectedforallitemsabove.

2.0.13

Thequalityacceptancerecordsforinstallationofmetallurgicalmachineryironmaking

equipmentenginee人人文库ringshallbeinaccordancewiththefollowingrequirements:

1

Thequalityacceptancerecordsforsub-divisionalworksshallinbeinaccordancewith

AppendixAofthisstandard.

2

ThequalityacceptancerecordsfordivisionalworksshallinbeinaccordancewithAppendix

Bofthisstandard.

3

ThequalityacceptancerecordsforunitworksshallinbeinaccordancewithAppendixCof

thisstandard.

4

Thequalityacceptancerecordsforno-loadcommissioningofequipmentshallinbein

accordancewithAppendixDofthisstandard.

2.0.14

Anyqualityincompliancewithrelevantrequirementsmustbetreatedorreworkedand

·5·

thenre-inspectedwithoutdelay.

2.0.15Itisforbiddentoacceptanyworkswhosequalityisnotinaccordancewithrelevant

requirementsandthesafetyuserequirementsarenotmetaftertreatmentorrework.

2.0.16

Thequalityacceptanceforinstallationengineeringofmetallurgicalmachineryironmaking

equipmentshallbeorganizedinthefollowingprocedure.

1

Thesupervisionengineer(ownersprojecttechnicalleader)shallorganizethetechnical

leader(foreman)ofrelevantdisciplineandqualityinspectorofthecontractorfortheacceptanceof

sub-divisionalworks.

2

Thechiefsupervisionengineer(ownersprojectmanager)shallorganizethecontractors

projectmanager,technicalandqualitymanagerfortheacceptanceofdivisionalworks.

3

Aftertheunitworksiscompleted,thecontractorshallorganizerelevantpersonneltotake

selfcheckandthensubmitacceptancereportfortheworkstotheowner.

4

Aftertheownerreceivestheacceptancereportfortheworks,theresponsiblepersonofthe

owner(project)shallorganizethecontractorsprojectmanager(includingsubcontractors),design

institute,supervisionorganizationfortheacceptanceofunitworks.

5

Whenunitworksistobeexecutedbyasubcontractor,thegeneralcontractorshallassume

fullresponsibilityforthesubcontractor,thesubcontractorshallinspectandassesstheitemsofown

subcontractedworksaccordingtotheprocedurestipulatedinthisst专用andardandgeneralcontractor

shallassignpersonneltoparticipateintheseinspectionsandassessments.Relevantdocuments

abouttheworksshallbesubmittedtothegeneralcontractorwhenthesubcontractedworksis

completed.

人人文库

·6·

3EquipmentFoundation,AnchorBoltsandPaddingPlate

3.1GeneralProvisions

3.1.1

Thechapterisapplicabletotheacceptanceforinstallationqualityoffoundation,anchor

boltsandpaddingplateofmetallurgicalmachineryandironmakingequipments.

3.1.2

Theinspectionacceptanceshallbeorganizedforfoundationbeforeinstallationof

equipment,theequipmentshallnotbeinstalledwhenthefoundationisnotaccepted.

3.1.3

Thesettlementobservationandobservationrecordsshallbetakenduringinstallationof

equipmentfoundationforblastfurnace,hot-blaststovebody,blastfurnaceblowerandblastfurnace

topgasrecoveryturbineunit.

3.2EquipmentFoundation

ⅠDominantItems

3.2.1

Thestrengthofequipmentfoundationshallmeettherequirementsofdesigndocuments.

Checkquantity:fullcheck.专用

Checkmethod:checkthehandoverdocumentsforfoundation.

3.2.2

Thecentralstandardplatesandevaluationbenchmarkpoints,aswellasmeasurement

pointsshallbearrangedaccordingtothedrawings,layoutofcentralplatesandelevationbenchmark

pointsdraftedbythemeasurementandcontrolnetworkcenterbeforethepositioningof

equipments.Thepermanentcentralplateandelevationbenchmarkpointshallbearrangedformain

equipmentandcontinuousproductionline.

Checkquantity:fullcheck.

Checkmethod:checkthemeasurementresultsheetsandtakevisualcheck.

ⅡGeneralItems

3.2.3

Theposition,elevation,dimensionsofaxis,positionofanchorboltsonequipmentfoundation

General

shallmeettherequirementsindesigndocumentsorcurrentnationalstandardGB50231

CodeforConstructionandAcceptanceofMechanicalEquipmentInstallationEngineering

.

Checkquantity:fullcheck.

Checkmethod:checkthereviewrecordsforfoundation.

3.2.4

Anyoils人人文库tain,gravel,dirt,stagnantwateronsurfaceofequipmentfoundationandin

preformedholeshallbecleared.Thethreadandnutofembeddedanchorboltshallbeprotected.

Checkquantity:fullcheck.

Checkmethod:visualcheck.

3.3AnchorBolt

ⅠDominantItems

3.3.1

Thespecificationsandfasteningofanchorboltsshallmeettherequirementsinthedesign

documents.

Checkquantity:20%randomcheck,andatleast4pieces.

·7·

Checkmethod:checkthequalitycertificatedocuments;checkwithasteelruleandby

hammeringnut.

ⅡGeneralItems

3.3.2

Theoilstainandscaleonanchorboltshallbecleared.Thethreadshallbeproperlylubricated.

Checkquantity:fullcheck.

Checkmethod:visualcheck.

3.3.3

Theanchorboltinpreformedholeshallbeinstalledvertically,anypartofitshallbelarger

than15mmfromtheholewallandshallnottouchthebottomofhole.

Checkquantity:fullcheck.

Checkmethod:visualcheck.

3.4PaddingPlate

ⅠDominantItems

3.4.1

Asforpaddingplatebybed-mortarmethod,thebed-mortarconcreteat48hshallreachthe

designstrengthforfoundationconcrete.

Checkquantity:batchcheck.

Checkmethod:checkthestrengthtestreportforbed-mortarconcreteblock.

ⅡGeneralItems

3.4.2专用

Thepaddingplateofequipmentshallmeettherequirementsindesigndocumentsorcurrent

GeneralCodeforConstructionandAcceptanceofMechanical

nationalstandardGB50231

EquipmentInstallationEngineering

.

Checkquantity:20%randomcheck.

Checkmethod:observeorcheckwithasteelrule,feelergaugeandbyhammeringpadding

plate.

3.4.3

Thesurfaceofconcretefoundationofpaddingplatethatisarrangedbygrindingmethod

shallbechiseledflat;thecontactsbetweenconcretesurfaceandpaddingplateshallbeevenly

distributed.

Checkquantity:20%randomcheck.

Checkmethod:visualcheck.

人人文库

·8·

4MobilizationofEquipmentsandMaterials

4.1GeneralProvisions

4.1.1

Thechapterisapplicabletothesiteacceptanceformetallurgicalmachineryandironmaking

equipments,processstructuralsteelwork,rawmaterialsandsemi-products.

4.1.2

Thehoistingpointshallbearrangedattheindicatingpositionontheequipmentor

containerduringhandlingandhoisting,inaddition,theprotectivemeasuresshallbetaken,the

equipmentshallnotbedamagedduetohandlingandhoisting.

4.1.3

TheOpenPackageInspection(OPI)shallbetakenandthecheckrecordsshallbetaken

beforeinstallationofequipments.Theequipmentshallbewell-protectedandinstalledassoonas

possibleafteritisunpacked.

4.1.4

Therawmaterialshallbepiledinanordermannerdependingonspecifications;inaddition,

measuresagainstdamageshallbetaken.

4.2EquipmentsandElements

专用

ⅠDominantItems

4.2.1

Themodel,specifications,qualityandquantityofequipmentandelementshallmeetthe

requirementsinthedesigndocuments.

Checkquantity:fullcheck.

Checkmethod:visualcheck,checkthequalitycertificatedocumentsforequipmentand

element.

4.3RawMaterials

ⅠDominantItems

4.3.1

Themodel,specifications,quality,quantityandperformanceofprocessstructuralsteelwork,raw

materialsandstandardpiecesshallmeettherequirementsindesigndocumentsandcurrentnational

standardsforproducts.Alltheseshallbeinspectedandtheacceptancerecordsshallbetakenwhentheyare

delivered.

Checkquantity:fullcheckforqualitycertificatedocuments.1%randomcheckforphysical

goodsandatleast人人文库5piecesarerequired.Re-inspectifrequiredbythedesigndocumentorrelevant

nationalstandards.

Checkmethod:checkthequalitycertificatedocuments,reviewreportandacceptancerecords,

visualcheckoractualmeasurement.

4.3.2

Thetype,specificationsandperformanceofweldingmaterialsshallmeettherequirements

TechnicalSpecificationsforWelding

indesigndocumentsorcurrentnationalstandardofJGJ81

ofSteelStructureofBuilding

.Theelectrode,flux,solderwire,consumablenozzleandsoonshall

bebakedandstoredaccordingtotheproductinstructionsandweldingproceduredocumentsbefore

use.

Checkquantity:fullcheck.

·9·

Checkmethod:checkthequalitycertificatedocumentsandbakingrecordsofelectrode.

4.3.3

Thetype,specificationsandperformanceofhigh-strengthboltsshallmeettherequirements

indesigndocumentsorcurrentnationalstandards.Thetorquecoefficientofhigh-strengthhexagon

boltshallbere-inspectedbeforework.Thepre-tensionforce(axialforce)oftorsionalsheartype

high-strengthboltshallbere-inspected.Theresultshallbeinaccordancewithrelevantprovisions

CodeforAcceptanceofConstructionQualityofSteel

incurrentnationalstandardGB50205

Structures

.

Checkquantity:randomcheckforboltstobeinstall,8connectingpairineachbatch.

Checkmethod:checkthequalitycertificatedocumentsandre-inspectionreport.

4.3.4

Anyoneofthefollowingsteelshallberandomlyre-inspected,andthere-inspectionresult

shallmeettherequirementsinnationalcurrentstandardsforproductsanddesigndocuments.

1

Importedsteel.

2

Mixedlotofsteel.

3

Steelslabwithathickness40mmoraboveandperformancerequirementinZ-axis,orsteel

platewiththicknessandperformancerequirementsindesigndocuments.

4

Steelwithqualityindoubt.

5

Steelwithre-inspectionrequirementsindesign.

Checkquantity:fullcheck.

:专用

Checkmethodcheckthere-inspectionreport.

ⅡGeneralItems

4.3.5

Thethicknessofsteelplate,specificationsandallowabledeviationofsectionsteelshall

meettherequirementsincurrentnationalstandards.

Checkquantity:randomcheckfor5pointsforsteelplateorsectionsteelofeachtype,

specification.

Checkmethod:checkwithasteelrulerandverniercaliper.

4.3.6

Inadditiontocurrentrelevantnationalstandards,theappearancequalityofsteelshallalso

beinaccordancewiththefollowings:

1

Whenthereisrust,pittingorscratchonthesurfaceofsteel,itsdeptshallnotexceed1/2of

thenegativeallowabledeviationforthethicknessofsteel.

Checkquantity:fullcheck.

Checkmethod:observeandcheckwithasteelruleandverniercaliper.

2

TherustinggradeonsurfaceofsteelshallreachClassCoraboveincurrentnational

RustGradesandPreparationGradesofSteelSurfacesbeforeApplicationof

standardGB8923人人文库

PaintsandRelatedProducts

;

Checkquantity:fullcheck.

Checkmethod:checkwithashovelandcheckwithphotocomparisonaccordingtocurrent

RustGradesandPreparationGradesofSteelSurfacesbefore

nationalstandardGB8923

ApplicationofPaintsandRelatedProducts

.

3

Thesteelshallhavenodefectnoendorcut,e.g.crack,slaginclusionandsoon.

Checkquantity:fullcheck.

Checkmethod:visualcheckorcheckwithamagnifier.

·10·

5ProcessStructuralSteelwork

5.1GeneralProvisions

5.1.1

Thechapterisapplicabletothequalityacceptanceformanufacturing,installation,welding,

boltconnectionandcoatingofprocesssteelstructureofblastfurnacebody,processsteelstructure

ofblastfurnacebodyframe,processsteelstructureofhot-blaststovebodyandancillaryworks,

processsteelstructureofskewbridgeorcorridorstrussofloader,processsteelstructureofgas

purificationsystem,processsteelstructureoflarge-diametercoil-weldedsteelpipeforplantarea

andwithinplantarea.

5.2Welding

ⅠDominantItems

5.2.1

Theweldingforcolumn,beam,etconshellandframestructureofblastfurnace,hot-blast

stoveandsoonshallhaverelevantweldingprocedurequalificationreport,andthewelding

instructionsshallbepreparedaccordingtotheweldingprocedurequ专用alificationreport.Thewelding

procedurequalificationforcolumn,beam,etcshallmeettherequirementsincurrentnational

TechnicalSpecificationfor

standardforshellofblastfurnace,hot-blaststoveandsooninJGJ81

WeldingofSteelStructureofBuilding

.Theweldingprocedurequalificationforshellofblast

furnace,hot-blaststove,etcshallmeettherequirementsincurrentnationalstandardforshellof

CodeforConstructionandAcceptanceof

blastfurnace,hot-blaststoveandsooninGB50236

FieldEquipmentIndustrialPipeWeldingEngineering

,.

Checkquantity:fullcheck.

Checkmethod:checktheweldingprocedurequalificationreportandweldinginstructions.

5.2.2Theweldershallpassrelevantexaminationandgetthequalificationcertificate.Thewelder

whocarriesacertificateshallonlybeallowedtoweldforqualifieditemsandinacceptablescope.

Checkquantity:fullcheck.

Checkmethod:checkthewelderscertificateanditsacceptablescopeandvalidityperiod.

5.2.3

Thebuttweldqualityofsteelworkofframe,trussstructuresshallmeettherequirementsin

thedesigndocuments.Whennotspecified,theseshallreachClassⅢoraboveinCategoryBof

MethodforManualUltrasonicTestingandClassificationof

currentnationalst人人文库andardGB11345

TestingResultsforFerriticSteelWelds

.

Checkquantity:calculatethepercentageofeachweldingseamthatisprocessedinfactory,the

inspectionlengthshallnotbelessthan200mm,thewholeweldingseamshallbeinspectedwhenits

lengthislessthan200mm;calculatethepercentageofweldingseamofeachtypeandwelding

conditionthatisprocessedonsite,theinspectionlengthshallnotbelessthan200mm,andatleast

1seamshallbeinspected.

Checkmethod:checktheultrasonicinspectionreportortakemeasurement.

5.2.4

Thebuttweldqualityofsteelworkofshellstructuresshallmeettherequirementsinthe

designdocuments.Whennotspecified,theseshallreachClassⅡinCategoryBofcurrentnational

·11·

MethodforManualUltrasonicTestingandClassificationofTestingResults

standardGB11345

forFerriticSteelWelds

.

Checkquantity:manualwelding:10%randomcheckfortotallengthofweldingseam.

Automaticwelding:5%randomcheckfortotallengthofweldingseam.

Checkmethod:checktheultrasonicinspectionreportortakemeasurement.

5.2.5Theinternalqualityofbuttweldonthewater-cooledbeamshallmeettherequirementsinthe

designdocuments.AnditshallreachClassIIofCategoryABqualityspecifiedinGB3323Radiographic

ExaminationofFusionWeldedJointsinMetallicMaterialswhennotspecified.

Checkquantity:100%checkforweldingseam.

Checkmethod:checktheradiographicinspectionreport,theradiographicnegativefilmor

measure.

5.2.6

Theinternalqualityofbuttweldonlarge-diametercoil-weldedsteelpipeshallmeetthe

requirementsinthedesigndocuments.Andthekeroseneleakagetestshallbetakenandthereisno

leakagewhennotspecified.

Checkquantity:20%randomcheckforbuttweldsonelementsofsametype,andatleast3

welds.

Checkmethod:checkthekeroseneleakagetestrecords.

5.2.7Theinternalqualityofweldingseamonthegaspipeshallmeettherequirementsinthedesign

documents.AnditshallreachClassⅡofCategoryABqualityspecif专用iedinGB3323Radiographic

ExaminationofFusionWeldedJointsinMetallicMaterialswhennotspecified.

Checkquantity:5%randomcheckforfulllengthofweldingseam.

Checkmethod:checktheradiographicinspectionreportandtheradiographicnegativefilm,

observetheinspectionpointandquantity.

5.2.8

Thetreatmentforremovalofinternalstressafterweldingonshelloffurnacetuyeresection

andhot-blaststovehotsectionshallmeettherequirementsinthedesigndocuments.

Checkquantity:fullcheck.

Checkmethod:checkthetreatmentrecordsforremovalofinternalstressafterwelding,

weldingprocedurequalificationreportandweldinginstructions.

ⅡGeneralItems

5.2.9

Theprocedurehandoverrecordsshallbecompletelyprovidedbeforewelding,including

weldingseamjoint,clearance,undercut,cleaning,etc..

Checkquantity:10%randomcheckforeachbatchofelementsofsametype,andatleast3

pieces.人人文库

Checkmethod:checktheprocedurehandoverrecords.

5.2.10

Thesideofweldingseamontheshellofblastfurnaceandhot-blaststoveshallhave

mark,weldingrecordandchartthatarerelatedtothewelder.

Checkquantity:10%randomcheckbyshellstrip(section),andatleast3strips(sections).

Checkmethod:observeandchecktheweldersweldingrecordandchart.

5.2.11

Theweldingseamsizeandappearancequalityofweldoncolumn,beam,corridortruss

shallmeettherequirementsinthedesigndocuments.Andwhennotspecifiedindesign,itshall

CodeforAcceptanceofConstructionQuality

reachClassⅡincurrentnationalstandardGB50205

ofSteelStructures

.

·12·

Checkquantity:5%randomcheckforweldingseamofeachtypeandatleast1seam.1pointis

oneachweldingseamandatleast10pointsintotalduringcheck.1pointforeachweldingseamless

than500mm.2pointsforweldingseambetween500mm-2000mm.1pointineachmeterfor

weldingseamlargerthan2000mm.

Checkmethod:observeorcheckwithamagnifier,weldingseamgaugeandsteelrule,take

penetrantinspectionwhennecessary.

5.2.12

Thesizeandappearancequalityofbuttweldonshellofblastfurnace,hot-blaststoveshall

meettherequirementsinthedesigndocuments.AnditshallmeettherequirementsinTable5.2.12

whennotspecified.

Checkquantity:10%randomcheckforweldingseambyshellstrip(section).

Checkmethod:observeorcheckwithamagnifier,weldingseamgaugeandsteelrule,take

penetrantinspectionwhennecessary.

Table5.2.12Sizeandappearancequalityofweldingseamonshellofblastfurnace,hot-blaststove,etc.(mm)

No.ItemAllowabledeviationCheckmethod

C

Excessweldmetal

≤3.0

1专用

b

Weldingseamwidth

2SizeofjointweldApproximately2.0outofjoint

d

Alignmentdeviation

d

3≤0.1t,andnolargerthan3.0

Checkwithwelding

seamgauge

Excessweld

4c0-3.0

metal

Sizeoffillet

weldingseam

h

5Filletsizef0-3.0

Crack,overlap,surfacepore,

6Notallowed

slaginclusion,cratercrack

Appearance人人文库

e

qualityofUndercute

≤0.5

weldingseam

710%offulllengthofweldingseam

orless,andlessthan100

T

Note:referstothethicknessofbasemetal.

5.2.13

Theappearancequalityofweldingseamonwater-cooledbeamshallmeettherequirements

inthedesigndocuments.AnditshallreachClassⅡofweldingseamqualityspecifiedinGB50236

CodeorConstructionandAccetanceoFieldEuimentIndustrialPieWeldinEnineerin

fpfqp,pggg

whennotspecified.

·13·

Checkquantity:100%checkforweldingseam.

Checkmethod:observeorcheckwithamagnifier,weldingseamgaugeandsteelrule,take

penetrantinspectionwhennecessary.

5.2.13

Theappearancequalityofweldingseamongaspipeshallmeettherequirementsinthe

Code

designdocuments.AnditshallreachClassⅢofweldingseamqualityspecifiedinGB50236

forConstructionandAcceptanceofFieldEquipmentIndustrialPipeWeldingEngineering

,when

notspecified.

Checkquantity:30%randomcheckforweldingseam.

Checkmethod:observeorcheckwithamagnifier,weldingseamgaugeandsteelrule,take

penetrantinspectionwhennecessary.

5.2.14

Theappearancequalityofbuttweldonlarge-diametercoil-weldedsteelpipeshallmeet

therequirementsinthedesigndocuments.

CodeforConstructionand

AnditshallreachClassⅢofweldingseamqualityspecifiedinGB50236

AcceptanceofFieldEquipmentIndustrialPipeWeldingEngineering

,whennotspecified.

Checkquantity:10%randomcheckforbuttweldonelementsofsametype,andatleast3

welds.

Checkmethod:observeorcheckwithamagnifier,weldingseamgaugeandsteelrule,take

penetrantinspectionwhennecessary.专用

5.3ConnectionofHigh-strengthBolts

ⅠDominantItems

5.3.1

Theconnectingfaceofhigh-strengthboltshallmeettherequirementsinthedesign

documentsduringfabricationofelements.Theslipfactoronfrictionsurfaceofhigh-strengthbolt

shallbetestedandre-inspectedforeachbatchofsteelworkduringfabricationandinstallation.The

frictionsurfacethatisprocessedonsiteshallbeindependentlytestedforslipfactorandtheresult

CodeforAcceptanceof

shallmeetrelevantrequirementsincurrentnationalstandardGB50205

ConstructionQualityofSteelStructures

.

Checkquantity:3testpiecesforeachbatch(2000tindivisionalworksistreatedasonebatch,

apartof2000tisalsotreatedasonebatch.Whentwoormoretreatmentprocessareused,each

processshallbeindependentlytested).

Checkmethod:checkthetestreportandre-inspectionreportforslipfactoronfrictionsurface.

ⅡGeneralItems

5.3.2

Afterthe人人文库high-strengthboltpairsarefastened,2-3threadsshallbeexposedonthebolt,it

isallowablethat1or4threadscanbeexposedon10%ofbolts,thethreadingdirectionofbolts

shallbeconsistentexceptthoseduetostructuralcause.

Checkquantity:5%randomcheckforjointsandatleast5joints.5%randomcheckforbolts

oneachjointandatleast2bolts.

Checkmethod:visualcheck.

5.3.3

Thefinalfasteningtorqueshallbechecked1handwithin48hafterthehigh-strength

hexagonboltpairsarefastened,theresultshallmeetrelevantrequirementsincurrentnational

CodeforAcceptanceofConstructionQualityofSteelStructures

standardGB50205.

Checkquantity:10%randomcheckforjointsandatleast5joints.10%randomcheckforbolts

·14·

oneachjointandatleast2bolts.

CodeforAcceptanceofConstruction

Checkmethod:aspercurrentnationalstandardofGB50205

QualityofSteelStructures

.

5.3.4

Theendwobbleronboltshallberemovedafterthetorsionalsheartypehigh-strengthbolt

isfinallyfastenedexceptthoseduetostructuralcause.Theboltpairwhosewobblerisnotremoved

shallbefastenedwithtorquemethodorrotationanglemethodandmarked,inaddition,itshallbe

checkedaccordingtothefinalfasteningtorquecheckmethodinAppendixBofcurrentnational

CodeforAcceptanceofConstructionQualityofSteelStructures

standardGB50205.

Checkquantity:5%randomcheckforjointsandatleast5joints.5%randomcheckforbolts

oneachjointandatleast2bolts.

Checkmethod:checktheconditionsofremovedendwobble.Theboltwhosewobbleisnot

CodeforAcceptance

removedshallmeettherequirementsincurrentnationalstandardGB50205

ofConstructionQualityofSteelStructures

.

5.3.5

Theconnectingfrictionfaceofhigh-strengthboltshallmaintaininadry,tidycondition

withnoflashing,burr,weldingspatter,crater,scale,oilstainandsoon.Thefrictionfaceshallnot

bepaintedunlessotherwisespecifiedinthedesigndocuments.

Checkquantity:5%randomcheckforfrictionfacesandatleast4points.

Checkmethod:visualcheck.

5.3.6专用

Thehigh-strengthboltshallthreadintotheboltholewithoutrestriction.Thegas-cutting

reamedholeshallnotbeusedforhigh-strengthbolt,thediameterofreamedholeshallnotexceed

1.2timesoftheboltdiameter.

Checkquantity:fullcheckforreamedboltholes.

Checkmethod:visualcheckandcheckwithacaliper.

5.4FabricationofFrame,Corridors,Truss

ⅠDominantItems

5.4.1

Thesteelshallhavenocrack,slaginclusion,laminationandmissingedgelargerthan

1.0mmonthecuttingorshearingface.

Checkquantity:fullcheck.

Checkmethod:visualcheckorcheckwithamagnifier.

ⅡGeneralItems

5.4.2

Theelementshallhaveacentermark,thecolumnelementsshallhavebenchmarkmarksfor

centerlineandelev人人文库ation.Thecenterandelevationbenchmarkmarksshallbecomplete.

Checkquantity:10%randomcheckforsametypeofelements,andatleast3pieces.

Checkmethod:visualcheck.

5.4.3

Thetoprigidsteelframe,topsupportforequipment,maintrussforskewbridgeonskip

chargingequipment,upperdischargingsectiononskewbridge,corridorstrussandsupport

assembliesforbeltchargingequipmentshallbepre-assembled,recordedwithpositioningmark,

positoner,etc..

Checkquantity:fullcheck.

Checkmethod:observeandcheckthepre-assemblingrecords.

5.4.4

Theallowabledeviationofboltholeandendmillingofelementshallmeetrelevantrequirements

·15·

CodeforAcceptanceofConstructionQualityofSteel

incurrentnationalstandardGB50205

Structures

.

Checkquantity:10%randomcheckforsametypeofelements,andatleast3pieces.

Checkmethod:checkwithasteelrule,verniercaliperorholegauge.

5.4.5

Theallowablefabricationdeviationofposts,e.g.bodyframe,topsteelframeandcorridors

trusssupport,etcshallmeettherequirementsinTable5.4.5.

Checkquantity:10%randomcheckforsametypeofelements,andatleast3pieces.

Checkmethod:seeTable5.4.5.

Table5.4.5Allowablefabricationdeviationofsteelcolumn(mm)

No.ItemAllowabledeviationCheckmethod

H

1Heightofasection±3.0

Checkwithsteelrule

H

2Totalheightofsections∑±7.0

HPulllineandcheck

3Flexuralriseofpost/1000,andnolargerthan5

withsteelrule

I

2≤6002.0Pulllineandcheckwith

4Warpingordistortionofcorbelsteelrule,orsquarerule

I

2>6003.0andsteelrule

5Sectiondimensionsofcolumn±3.0专用Checkwithsteelrule

bb

≤400/100

bCheckwithsquare

6Verticalityofflangetoweb>4005.0

ruleandsteelrule

Atjoint1.5

Atjoint2.0

7WebcenterlineCheckwithsteelrule

Otherposition3.0

Checkwith1mstraight

8Bottomplatewarpingatplinth3.0

ruleandfeelergauge

Distancebetweenboltholeatplinth

9±1.5Checkwithsteelrule

andcolumncenterline

Pullline,hangplumband

10Columndistortiononeachsection5.0

人人文库checkwithsteelrule

I

Distancebetweenplinthplaneand±1/2000

11Checkwithsteelrule

supportingplaneofcorbel±8.0

HII

Note:referstoheightofasection;1referstodistancebetweenplinthplaneandsupportingplaneofcorbel;2referstolengthof

b

corbel;referstoflangewidth.

5.4.6

Theallowablefabricationdeviationofsolidwebgirderonframework,e.g.platformbeam,

framebeam,etc.shallmeettherequirementsinTable5.4.6.

Checkquantity:10%randomcheckforsametypeofelements,andatleast3pieces.

Checkmethod:seeTable5.4.6.

·16·

Table5.4.6Allowablefabricationdeviationofsolidwebgirder,e.g.platformbeam,framebeam(mm)

No.ItemAllowabledeviationCheckmethod

0

Plateedgingatend

L

1Beamlength-5.0

L

Othertype±/2500,andnolargerthan10.0

Checkwithsteelrule

h

h≤2000±2.0

2Endheighth

>2000±3.0

3Distancebetweenouterinstallationholesonbothends±3.0

L

Camberspecifiedindesign±/5000

4CamberPulllineandcheck

CambernotspecifiedindesignNodownwarp

withsteelrule

L

5Lateralrise/2000,andnomorethan10.0

hPullline,hangplumband

6Distortion/250,andnomorethan10.0

checkwithsteelrule

t

Partialplaneness≤145.0Checkwith1mstraight

7t

ofweb>144.0ruleandfeelergauge

bCheckwithsquare

8Verticalityofflangetoweb/100,andnomorethan3.0

andsteelrule

9Webcenterline3.0专用Checkwithsteelrule

10Flangewidth±3.0Checkwithsteelrule

Lhtb

Note:referstobeamlength;referstobeamheightatend;referstowebthickness;referstoflangewidth.

5.4.7

Theallowablepre-assemblingdeviationofcorridorstrussshallmeettherequirementsin

Table5.4.7.

Checkquantity:10%randomcheckforsametypeofelements,andatleast3pieces.

Checkmethod:seeTable5.4.7.

Table5.4.7Allowablepre-assemblingdeviationofcorridorstruss(mm)

No.ItemAllowabledeviationCheckmethod

L

1Trusslength±10.0

L+3.0

Distancebetween≤24000

-7.0

22outmostholes

L+5.0

oneachtruss>24000Checkwithsteelrule

-10.0

3人人文库Sectionaldimensions±5.0

AnyjointontrussDifferenceindiagonal

45.0

lineatsection

L

Camberspecifiedindesign±/5000Pulllineandcheck

5Trusscamber

CambernotspecifiedindesignNodownwarpwithsteelrule

6Differenceindiagonallinesonlowersurfaceoftruss10.0Checkwithsteelrule

StraightnessoftrusschordmemberIPulllineandcheck

71/1000,andnolargerthan5.0

betweenadjacentjointswithsteelrule

Marklineandcheck

8Intersectionofdimensionallinesonmemberatjoint3.0

withsteelrule

LI

Note:referstotrusslength;1referstodistanceofchordmemberbetweenadjacentjoints.

·17·

5.5FabricationofLarge-diameterCoil-weldedSteelPipe

ⅠGeneralItems

5.5.1

Thebuttweldonbrazedsteelpipeshallmeetthefollowingrequirements:

1

Thelongitudinalseamsonthesamesectionshouldnotbegreaterthan2.

2

Thedistancebetween2longitudinalseamsshouldnotbelessthan200mm.

3

Thedistancebetween2longitudinalseamsshallbelargerthan100mmwhenpairing.

4

Thedistancebetweenouterwallofbranchandweldingseamshouldnotbelessthan

50mm.

Checkquantity:10%randomcheckforsametypeofelements,andatleast3pieces.

Checkmethod:observeandcheckwithasteelrule.

5.5.2

Theuntightclearancebetweencirclecheckingplateandinnerwallofpipeshallmeetthe

followingrequirements:

1

Itshallbeneitherlargerthan10%ofwallthicknessplus2.0mm,normorethan3.0mmat

buttseam.

2

Itshallnotlargerthan2.0mmatbuttseam200mmfrompipeend,lessthanorequalto

1.0mmatotherpoint.

Checkquantity:10%randomcheckforsametypeofelements,andatleast3pieces.

:专用//

Checkmethodcheckwithacirclecheckingplatewhosearchedlengthis16-14ofthepipe

perimeterandsteelrule.

5.5.3

Thebustlepipeshallbepre-assembledandrecordedduringfabrication,theallowablepre-

assemblingdeviationshallmeettherequirementsinTable5.5.3.

Checkquantity:fullcheckforpre-assemblingrecords,fullcheckforallowablepre-assembling

deviation.

Checkmethod:checkthepre-assemblingrecordsandtakevisualcheck.

Table5.5.3Allowablepre-assemblingdeviationofbustlepipe(mm)

No.ItemAllowabledeviationCheckmethod

1Heightdifferenceontopsurfaceofpipe10.0Checkwithlevelgauge

D

Differencebetweenmaximumdiameterand1.5/1000,andno

2

minimumdiameterofpipelargerthan10.0

Checkwithsteelrule

3人人文库Alignmentdeviationonpipe2.0

+2.0

4ClearanceatjointendCheckwithfeelergauge

-1.0

D

Note:referstothediameterofpipe.

5.5.4

Theallowablefabricationdeviationofbrazedsteelpipeshallmeettherequirementsin

Table5.5.4.

Checkquantity:10%randomcheckforsametypeofelements,andatleast3pieces.

Checkmethod:seeTable5.5.4.

·18·

Table5.5.4Allowablefabricationdeviationofcoil-weldedsteelpipe(mm)

Nominaldiameter

No.Item<800800-12001300-16001700-24002500-3000>3000Checkmethod

Allowabledeviation

1Perimeter±5±7±9±11±13±15Checkwithsteelrule

D

/100,and

2Roundnessnolarger4.06.08.09.010.0Checkwithsteelrule

than4.0

VerticalityonendDHangplumband

3/1000,andnolargerthan3.0

faceofbrazepipecheckwithsteelrule

StraightnessofLPulllineandcheck

4/1000,andnolargerthan10.0

pipesectionwithsteelrule

Checkwithsquareor

d

5Verticalityofflange/1000hangplumbandcheck

withsteelrule

DdL

Note:referstodiameterofbrazedpipe,referstoflangediameter,referstolengthofpipesection.

5.5.5

Theallowabledeviationformaindimensionsofweldedel专用bowshallmeetthefollowing

requirements:

1Dg

Perimeterdeviation:allowabledeviation±4.0mmwhen≤1000mm;

Dg

Allowabledeviation±6.0mmwhen>1000mm.

Checkquantity:10%randomcheckforelbows,andatleast1piece.

Checkmethod:checkwithasteelrule.

2

Verticalitydeviationofendfaceandcenterline:thevalueof△shallbeneitherlargerthan

1%oftheouterdiameterofpipe,norlargerthan3.0mm,asshowninFig.5.5.5.

Checkquantity:10%randomcheckforelbows,andatleast1piece.

Checkmethod:checkwithasquareandsteelrule.

人人文库

Fig.5.5.5Verticalitydeviationofendfaceofweldedelbow

Fig.5.5.6Weldedreducerpipe

5.5.6

Theallowabledeviationformaindimensionsofweldedreducerpipeshallmeetthe

followingrequirements:

1

Theroundnessofreducerpipeshallbeneitherlargerthan1%oftheouterdiameterat

·19·

ends,norlargerthan5.0mm.

Checkquantity:10%randomcheckforreducerpipes,andatleast1piece.

Checkmethod:checkwithasteelrule.

2aa

Thecenterlinesofconcentricreducerpipesshalloverlapandthedeviation(1-2)/2shall

beneitherlargerthan1%oftheouterdiameteratends,norlargerthan5.0mm,asshowninFig.

5.5.6.

Checkquantity:10%randomcheckforreducerpipes,andatleast1piece.

Checkmethod:pullalineandcheckwithasteelrule.

5.5.7

Theverticalitydeviationofbranchofwelded3-wayshallbeneitherlargerthan1%of

branchlength,norlargerthan3.0mm.

Checkquantity:10%randomcheckfor3-ways,andatleast1piece.

Checkmethod:checkwithasquare,hangplumbandcheckwithasteelrule.

5.6FabricationofShell

ⅠDominantItems

5.6.1

Thesteelplateshallnothavelaminationandinclusionatedgeaftertheshellisbentand

formed,theactualthicknessofsteelplateafterbasetreatmentshallnotbelessthantheallowable

minimumthickness.专用

Checkquantity:fullcheck.

Checkmethod:laminationandinclusionbyvisualcheck.

Thicknessofsteelplateisinspectedbycaliperorultrasonic.

5.6.2

Thesteelshallhavenocrack,slaginclusion,laminationandmissingedgelargerthan

1.0mmonthecuttingorshearingface.

Checkquantity:fullcheck.

Checkmethod:observeorcheckwithamagnifier.

5.6.3

Thepressuretestofshellshallmeettherequirementsinthedesigndocuments.Itshall

meettherequirementsinAppendixEofthisstandardwhennotspecified.

Checkquantity:fullcheck.

Checkmethod:checkthepressuretestreport.

ⅡGeneralItems

5.6.4

Theweldinglug,scaffoldlug,fixingpieceandpositionerforfixturesoneachshellsteel

plateshallmeettherequirementsinthetechnicalattachmentofthecontract.

Checkquantit人人文库y:20%randomcheckforshellsteelplateassemblies,andatleast10pieces.

Checkmethod:visualcheck.

5.6.5

Thebendingprocessingofshellsteelplateshallmeettherequirementsofcurvatureradius

specifiedinthedesigndocument,anarchedtemplatewithchordlengthnolessthan1500mmshall

beusedforcheckandtheclearanceshallnotbelargerthan2.0mm.

Checkquantity:30%randomcheckforelements.

Checkmethod:checktheprocessingqualityrecordsormeasure.

5.6.6

Thehot-blaststoveshell,hot-blaststovebottomandconnectedfirstringshell,toparch

shellonhot-blaststoveandshellathightemperaturesectionshallbepre-assembledandthepre-

assemblingrecordsshallbetaken.

·20·

Checkquantity:fullcheck.

Checkmethod:checkthepre-assemblingrecordsandtakevisualcheck.

5.6.7

Thesurfaceofelementshallbecleanwithoutconcavityordamage,thejointshallbe

smooth,thescarshallberepairedandgroundafterthetemporaryfixturesareremoved.

Checkquantity:10%randomcheckforelementsandatleast5pieces.

Checkmethod:visualcheck.

5.6.8

Thecrosscenterlineandsplicinglineshallbemarkedontheshellelement.Thealignment

markshallbeobviouslypaintedandstampedatdisconnectedjointorbetweenupperandlower

ring.

Checkquantity:10%randomcheckforelementsandatleast5pieces.

Checkmethod:visualcheck.

5.6.9

Thereinforcingmeasuresagainstpermanentdeformationshallbetakenforelements,e.g.

shell.

Checkquantity:10%randomcheckforelementsandatleast5pieces.

Checkmethod:visualcheck.

5.6.10

Thetaphole,slaghole,tuyere,flangeholeoncoolingplate,waterholeoncoolingwall

shallbedrilledafterthefabricationandpre-assemblingoffurnaceshellandreferencelinesshallbe

markedfortheseholesaccordingtothedesigndocuments,thedrillin专用gdeviationshallalsomeetthe

requirementsinthedesigndocuments.

Checkquantity:fullcheck.

Checkmethod:observeandcheckwithsteelrule.

5.6.11

Theconnectingflangebetweenblastfurnaceshellandequipment,e.g.tapholenozzle,

tuyereflange,coolingplateflange,etc,shallmeetrelevantrequirementsinChapter6ofthis

standardduringassemblingandweldinginthemanufactory.

Checkquantity:fullcheck.

Checkmethod:visualcheck.

5.6.12

Theallowablepre-assemblingdeviationforsteelplatesonshellofblastfurnace,hot-blast

stove,etcshallmeettherequirementsinTable5.6.12.

Checkquantity:fullcheck.

Checkmethod:seeTable5.6.12.

Table5.6.12Allowablepre-assemblingdeviationforsteelplateonshellofblastfurnace,hot-blaststove(mm)

No.人人文库ItemAllowabledeviationCheckmethod

CenterofshellsteelplateringtocenterHPullline,handplumband

1/1000,andnolargerthan10.0

ofpre-assemblingplatformcheckwithsteelruler

DifferencebetweenmaximumdiameterandminimumD

22/1000Checkwithsteelrule

diameterofshellsteelplatering

RelativeheightdifferencebetweenpointsonupperCheckwithlevelgauge

34.0

circumferenceofshellsteelplateringorsteelrule

tt

≤40/10,andnolargerthan3.0

4AlignmentdeviationCheckwithsteelrule

tt

>40/10,andnolargerthan6.0

·21·

Table5.6.12(Continued)

No.ItemAllowabledeviationCheckmethod

t+2.0

≤30

-1.0

5ClearanceatjointrootCheckwithfeelergauge

t+3.0

>30

0.0

H

6Heightofshellsteelplate/500,andnolargerthan6.0

Checkwithsteelrule

7Overallrelativeheightdifferenceofshellsteelplate4.0

hdt

Notes:1referstotheheightofpre-assembledshell;referstothedesigndiameterofshell;referstotheplatethickness.

2Thealignmentdeviationandclearanceatjointendshallmeettherequirementsinprocedureforautomaticweldingwhenit

isemployed.

5.6.13

Thebottomplateofblastfurnaceshallbepre-assembledduringfabricationandits

allowabledeviationshallmeettherequirementsinTable5.6.13.

Checkquantity:fullcheck.

Checkmethod:seeTable5.6.13.

Table5.6.13Allowablepre-assemblingdeviationofbottomplate(mm)

No.ItemAllowabledeviationCheckmethod

D

1Levelnessoftopsurface/1000专用Checkwithlevelgauge

2Alignmentdeviation5.0Checkwithsteelrule

L

3Unevenness/1000Checkwithlevelgauge

Bottomcircularplate

LPulllineandcheck

4Distortion/1000

withsteelrule

Heightdifferencebetweenany2pointson

54.0Checkwithlevelgauge

assembledcircularplate

6Alignmentdisplacementofcircularplate3.0Checkwithsteelrule

LD

Note:referstowidthofcircularplate;referstodiameteroffurnacebottomplate.

5.6.14

Thewater-cooledbeamatbottomoffurnaceshallbepre-assembledduringfabricationand

itsallowabledeviationshallmeettherequirementsinTable5.6.14.

Checkquantity:fullcheck.

Checkmethod:seeTable5.6.14.

Table5.6.14Allowablepre-assemblingdeviationofbottomwater-cooledbeam(mm)

人人文库

No.ItemAllowabledeviationCheckmethod

D

1Heightdifferenceofallsupportbeams/1000

Heightdifferenceinadjacent2supporting

24.0Checkwithlevelgauge

beamsatcorrespondingpoint

orsteelrule

Heightdifferenceofallcooling

36.0

pipesofwater-cooledbeam

4Centerlineofcoolingpipeofwater-cooledbeam3.0Checkwithsteelrule

D

Note:referstothediameterofthecirclethatisconstructedbythesupportingbeam.

·22·

5.7InstallationofFrame

ⅠDominantItems

5.7.1

Thedeformationandpeelingofpaintonsteelelementduetohandling,pilingandhoisting

shallbecorrectedandrepaired.

Checkquantity:10%randomcheckforelementsandatleast4pieces.

Checkmethod:observeorpulllineandcheckwithasteelrule.

ⅡGeneralItems

5.7.2

Theallowableinstallationdeviationoftoprigidframeandframeshallmeettherequirementsin

Table5.7.2.

Checkquantity:fullcheck.

Checkmethod:seeTable5.7.2.

Table5.7.2Theallowableinstallationdeviationofrigidframeandframe(mm)

No.ItemAllowabledeviationCheckmethod

1Elevationofcolumn±10.0Checkwithlevelgaugeorsteelrule

1/1000,andno

2VerticalityofsupportsHangplumbandcheckwithsteelrule

morethan20.0

3Differencebetweendiagonallinesofcolumn15.0Checkwithsteelrule

LongitudinalandtransversecenterlineofcolumnCh专用eckwiththeodoliteorpullline,hang

45.0

(relativetopositioningaxis)plumbandcheckwithsteelrule

H

/1000,and

5LateralbendingofcolumnPulllineandcheckwithsteelrule

nomorethan15.0

6Elevationofplatformbeam±20.0

7Levelnessofplatformbeam2/1000Checkwithlevelgaugeorsteelrule

8Levelnessofmainbeam2/1000

H

Note:referstocolumnheight.

5.7.3

Theallowableinstallationdeviationofsupportsfortopequipmentshallmeettherequirementsin

Table5.7.3.

Checkquantity:fullcheck.

Checkmethod:seeTable5.7.3.

Table5.7.3Allowableinstallationdeviationofsupportsfortopequipment(mm)

No.ItemAllowabledeviationCheckmethod

1Elevation±10.0

Checkwithlevelgaugeandsteelrule

2人人文库Heightdifference3.0

3ColumnDifferenceindiagonallines6.0Checkwithsteelrule

DistancebetweenpostcenterandPullline,hangplumbandcheckwithsteel

4±5.0

centerlineoffurnacerule

5Elevation±10.0

Checkwithlevelgaugeandsteelrule

6

TopsurfaceHeightdifference3.0

ofsuort

ppPullline,hangplumbandcheckwithsteel

7Centerline5.0

rule

8Platformbeam,Elevation±10.0

Checkwithlevelgaugeorsteelrule

9crossbeamLevelness2/1000

·23·

5.8InstallationofCorridors,Truss

ⅠDominantItems

5.8.1

Thedeformationandpeelingofpaintonsteelelementduetohandling,pilingandhoisting

shallbecorrectedandrepaired.

Checkquantity:10%randomcheckforelementsandatleast4pieces.

Checkmethod:visualcheckorpullalineandcheckwithasteelrule.

ⅡGeneralItems

5.8.2

Thepaddingplateofinclinedloadingbridgeshallbecloselycontactedwiththetrackand

trackbeam.

Checkquantity:10%randomcheckforpaddingplatesandatleast10pieces.

Checkmethod:manualhammeringandvisualcheck.

5.8.3

Theallowableinstallationdeviationofloadingbeltcorridorstrussandsupportshallmeet

therequirementsinTable5.8.3.

Checkquantity:fullcheck.

Checkmethod:seeTable5.8.3.

Table5.8.3Allowableinstallationdeviationofloadingbeltcorridorstrussandsupport(mm)

No.ItemAllowabledeviationCheckmethod

专用,

Pulllinehangplumbandcheckwithsteel

1Centerlineofsupportplinth5.0

rule

Centerlineofupperpedestalof

25.0Checkwiththeodoliteorsteelrule

support

SupportDifferencebetweendiagonallines

315.0Checkwithsteelrule

ofsupport

4Elevationofsupport±15.0Checkwithlevelgaugeandsteelrule

H

/1000,andnoPullline,hangplumbandcheckwithsteel

5Verticality

largerthan20.0rule

Sectionaldimensionsattruss

6±5.0

joint

Checkwithsteelrule

Differencebetweendiagonallines

75.0

attrussjoint

L

/1000,andno

8LateralbendingoftrussPulllineandcheckwithsteelrule

largerthan10.0

I

人人文库Straightnessoftrusschordmember1/1000,andno

9Checkwithlevelgaugeandsteelrule

Vestibuletrussbetweenadjacentjointslargerthan5.0

Differencebetweendiagonal

1010.0Checkwithsteelrule

linesonlowersurfaceoftruss

CamberspecifiedL

Trussp±/5000

indesign

11camberPulllineandcheckwithsteelrule

Cambernot

(pairing)Nodeflectionallowed

specifiedindesign

Trusscenterline(relative

125.0Checkwiththeodoliteorsteelrule

tocorridorsaxis)

HLI

Note:referstosupportheight;referstotrusslength;1referstodistanceofchordmemberbetweenadjacentjoints.

·24·

5.8.4

Theallowableinstallationdeviationforinclinedloadingbridgeofchargingcarshallmeet

therequirementsinTable5.8.4.

Checkquantity:fullcheck.

Checkmethod:seeTable5.8.4.

Table5.8.5Allowableinstallationdeviationforinclinedloadingbridgeofchargingcar(mm)

No.ItemAllowabledeviationCheckmethod

Centerlineofskewbridge(relativetoaxisof

120.0

)

blastfurnaceCheckwiththeodoliteandsteelrule

2Centerdistanceofsupports±5.0

3Bottomlevelofbeamortrussatsupport±10.0Checkwithlevelgaugeorsteelrule

4Diagonaldifferenceontrusssectionatjoint±10.0Checkwithsteelrule

L

/1000,andno

5LateralbendingoftrussPulllineandcheckwithsteelrule

largerthan10.0

I

Straightnessoftrusschordmemberbetween1/1000,and

6Pulllineandcheckwithsteelrule

adjacentjointsnolargerthan5.0

Distancebetweencenterlineofskewbridgeand

7±2.0Checkwithsteelrule

centerlineofchargingcartrack专用

Heightdifferenceofchargingcartracksonsame

84.0Checkwithlevelgaugeorsteelrule

section

9Jointoffsetonchargingcartrack1.0

DistancebetweenclampingrollertrackcenterlineCheckwithsteelrule

10±3.0

andchargingcartrackcenterline

Horizontaldistancebetweenendofclamping0Pullline,hangplumbandcheckwithsteel

11

rollerchannelsteelandchargingcartrackcenterline-2.0rule

Distancebetweenclampingrollertrackcenterline

12±3.0Hangplumbandcheckwithsteelrule

andbranchtrackcenterline

LI

Note:referstotrusslength;1referstodistanceofchordmemberbetweenadjacentjoints.

5.9InstallationofShell

人人文库ⅠDominantItems

5.9.1

Thedeformationandpeelingofpaintonsteelelementduetohandling,pilingandhoisting

shallbecorrectedandrepaired.

Checkquantity:10%randomcheckforelementsofsametypeandatleast4pieces.

Checkmethod:visualcheckorpullalineandcheckwithasteelrule.

5.9.2

The40kPavacuumtestshallbetakenforweldingseamonbottomplateandthereisno

leakagewhenthebottomplateofhot-blaststoveislessthan20mmthickbeforebricklaying.

Checkquantity:fullcheck.

Checkmethod:checkthevacuumtestrecord.

5.9.3

Thepressuretestforwater-cooledbeamshallmeettherequirementsinthedesigndocuments.

·25·

CodeforCconstructionand

AnditshallmeettherequirementsincurrentnationalstandardGB50235

AcceptanceofIndustrialMetallicPiping

.

Checkquantity:fullcheck.

Checkmethod:checkthepressuretestrecord.

ⅡGeneralItems

5.9.4

Whenpavingdrysandonthefoundationofhot-blaststove,thebottomplateofhot-blast

stoveshallbeevenlycontactedwiththedrysandandthecontactareashallbelargerthan60%.

Checkquantity:fullcheck.

Checkmethod:visualcheck.

5.9.5

Theallowableinstallationdeviationofblastfurnaceshellandbottomwater-cooledbeam

shallmeettherequirementsinTable5.9.5.

Checkquantity:fullcheck.

Checkmethod:seeTable5.9.5.

Table5.9.5Allowableinstallationdeviationofblastfurnacebodyandbottomwater-cooledbeam(mm)

No.ItemAllowabledeviationCheckmethod

Checkwithlevelgaugeorsteel

1Elevation±10

rule

D

2Heightdifferenceofallsupportbeams2/1000

Water专用

Checkwithlevelgauge

cooledHeightdifferencebetweencorresponding

34.0

beampointsonadjacentsupportbeams

Centerlineofcoolingpipeforwater-cooledCheckwiththeodoliteorpull

43.0

beamline,hangplumbandcheckwith

steelrule

5Centerline2.0

D

6Levelnessoftopsurface1/1000Checkwithlevelgauge

Bottom

7DifferencebetweenmaximumdiameterandD

plate21/1000

minimumdiameter

Checkwithsteelrule

8

Alignmentdeviation5.0

DifferencebetweenmaximumdiameterandDCheckdifferencebetweenany2

933/1000

minimumdiameteronshellsteelplateringdiameterswithsteelrule

Hh

Hearth,Centerofshellsteelplatering(relativeto2(1-)/1000,andPullline,hangplumbandcheck

10

tuyerece人人文库nteroffurnacebottom)nolargerthan30.0withsteelrule

section,

Heightdifferenceontopedgeofshellsteel

11bosh,4.0Checkwithlevelgauge

platering

belly,

tt

body,≤40/10,andnolargerthan3.0

12,AlignmentdeviationCheckwithsteelrule

throattt

>40/10,andnolargerthan6.0

top

sealingt+2.0

≤30

plate-1.0

13ClearanceatjointendCheckwithsteelrule

t+3.0

>30

0

·26·

Table5.9.5(Continued)

No.ItemAllowabledeviationCheckmethod

Hh

Flangecenterline(relativetocenterlineof2(-)/1000,andPullline,hangplumbandcheck

14

furnacebottom)nolargerthan30.0withsteelrule

Checkwithlevelgaugeorsteel

15TopflangeElevationofflange±20.0

rule

D

Heightdifferenceatany2pointsonflange/1000,andCheckwithlevelgaugeorlevelling

16

facenolargerthan3.0rulerandlevelinginstrument

Checkwithlevelgaugeorsteel

17Heightdifferenceontopedge10.0

rule

18GuidetubeSpacingof2adjacentpipes±10.0

DifferenceindiagonallinesatcenterofCheckwithsteelrule

1915.0

upperedge

DDD

Note:referstoflangeoftopflange;1referstodiameterofbottomplate;2referstodiameterofthecircleconsistingofwater-cooled

D

supportingbeams;3referstothediameterofshellsteelplate.

HHht

referstoelevationoftopflange;1referstoelevationofshellsteelplate;referstoelevationoffurnacebottom;refersto

platethickness.

5.9.6

Theallowableinstallationdeviationofhot-blaststoveshells专用hallmeettherequirementsin

Table5.9.6.

Checkquantity:fullcheck.

Checkmethod:seeTable5.9.6.

Table5.9.6Allowableinstallationdeviationofhot-blaststoveshell(mm)

No.ItemAllowabledeviationCheckmethod

Checkwiththeodoliteorpull

1Longitudinalandtransversecenterline2.0line,hangplumbandcheckwith

steelrule

Bottom

Checkwithlevelgaugeor

2plateElevation±10

steelrule

3Heightdifferenceattopedge4.0

DCheckwithlevelgauge

4Levelingafterwelding2/1000

H

Centerofshellsteelplate(relativetocenter/1000,andnoHangplumbandcheckwith

5

of人人文库furnacebottom)largerthan30.0steelrule

Heightdifferenceontopedgeofshellsteel

64.0Checkwithlevelgauge

platering

DifferencebetweenmaximumdiameterandDCheckdifferencebetweenany

/

7Body21000

minimumdiameteronshellsteelplatering2diameterswithsteelrule

shell

tt

≤40/10,andnolargerthan3.0

8AlignmentdeviationttCheckwithsteelrule

>40/10,andnolargerthan6.0

t+2.0

≤30

-1.0

9ClearanceatjointendCheckwithfeelergauge

t+3.0

>30

0

·27·

Table5.9.6(Continued)

No.ItemAllowabledeviationCheckmethod

D

Centerontopoffurnace(relativetocenter/1000,andno

10

onbottomoffurnace)larerthan30.0

gHangplumbandcheckwith

Centeroffixedcircle(relativetocenterofsteelrule

115.0

Topshellbody)

Differencebetweendiametersatany2points

1210.0Checkwithsteelrule

onfixedcircle

13Elevationoffixedcircle±5.0Checkwithlevelgauge

TDH

Note:referstothicknessofstovesteelplate;referstodiameterofhot-blaststove;referstoheightofhot-blaststove.

5.9.7

Theallowableinstallationdeviationforshellofdustremover,scrubber,venturiscrubber

anddehydratershallmeettherequirementsinTable5.9.7.

Checkquantity:fullcheck.

Checkmethod:seeTable5.9.7.

Table5.9.7Allowableinstallationdeviationforshellofdustremover,scrubber,venturiscrubberanddehydrater(mm)

No.ItemAllowabledeviationCheckmethod

LongitudinalandtransversecenterlineonbottomofPullline,hangplumbandcheck

110.0

equipment专用withsteelrule

2Elevation±10.0Checkwithlevelgaugeorsteelrule

DifferencebetweenmaximumdiameterandminimumDCheckdifferencebetweenany2

32/1000

diameteronshellsteelplateringdiameterswithsteelrule

4Heightdifferenceontopedgeofshellsteelplatering4.0Checkwithlevelgaugeorsteelrule

t

t/10,andno

≤40

largerthan3.0

5AlignmentdeviationtCheckwithsteelrule

t/10,andno

>40

largerthan6.0

t+2.0

≤30

-1.0

6ClearanceatjointendCheckwithfeelergauge

t+3.0

>30

0

Longitudinalandtransversecenterlineonbottomof

HPullline,hangplumbandcheck

7equipment(relativetolongitudinalandtransversecenterline2/1000

withsteelrule

onbottomofe人人文库quipment)

8Levelnessofsupportbeamsonequipment0.5/1000Checkwithlevelgauge

9Elevationofsupportbeamsonequipment±10.0Checkwithlevelgauge

Longitudinalandtransversecenterlineatthroatofventuri

HPullline,hangplumbandcheck

10pipe(relativetolongitudinalandtransversecenterlineat/1000

withsteelrule

bottomoftower)

11Centerlineofinlet/outletshortgastube5.0Checkwiththeodolite

12Elevationofinlet/outletshortgastube±5.0Checkwithlevelgauge

DtH

Note:referstodiameterofsteelplateringonshell;referstothicknessofshellsteelplate;referstoheightofequipmentfrom

venturithroattobottom.

·28·

5.10InstallationofLarge-diametercoil-weldedsteelpipe

ⅠDominantItems

5.10.1

Thedeformationandpeelingofpaintonsteelelementduetohandling,pilingandhoisting

shallbecorrectedandrepaired.

Checkquantity:10%randomcheckforelementsandatleast4pieces.

Checkmethod:observeorpulllineandcheckwithasteelrule.

5.10.2

Thepipeshallhavenoresidualordirtinsideafterinstallation.

Checkquantity:fullcheck.

Checkmethod:checktherecordsforconcealedworksortakevisualcheck.

5.10.3

Thepositionanddirectionofcompensatormustmeettherequirementsinthedesign

documentsandshallbepre-tensionedorcompressedaccordingtorelevantrequirements.

Checkquantity:fullcheck.

Checkmethod:observeandcheckthepre-tensioningorpre-compressingrecords.

5.10.4

Thepressuretestforpipeshallmeettherequirementsinthedesigndocuments.Andit

CodeforConstructionand

shallmeettherequirementsincurrentnationalstandardGB50235

AacceptanceofIndustrialMetallicPiping

.

Checkquantity:fullcheck.专用

Checkmethod:checkthepressuretestrecords.

ⅡGeneralItems

5.10.5

Thepacking(backing)sealbetweenflangefacesshallmeettherequirementinthedesign

documentsandtheyshallbecloselycontacted.Theinstallationofflangeandconnectingboltshall

CodeforConstructionand

meettherequirementsincurrentnationalstandardGB50235

AcceptanceofIndustrialMetallicPiping

.

Checkquantity:20%randomcheckforflangesonpipesofsametype,andatleast1pairof

flanges.

Checkmethod:checkwithasteelrule,trialfasteningbyawrenchandtakevisualcheck.

5.10.6

Theflange,weldingseamandconnectingpieceshallbearrangedforeasyrepairand

maintenance,thecleardistancebetweencircumferentialweldingseamandsupportshallnotbeless

than50mm.

Checkquantity:fullcheck.

Checkmethod:observeandcheckwithsteelrule.

5.10.7

Thegrad人人文库ientandslopingdirectionofpipeshallmeettherequirementsinthedesign

documents.

Checkquantity:randomcheckfor3pointsonevery100mofstraightsection,2pointsfor

straightsectionlessthan100.

Checkmethod:checktheinstallationqualityrecordorcheckwithlevelgauge.

5.10.8

Theallowableinstallationdeviationofbrazedsteelpipeshallmeettherequirementsin

Table5.10.8.

Checkquantity:randomcheckfor3poin