GB/T 51075-2015 GBT51075-2015选矿机械设备工程安装规范:英文

专用

人人文库

NATIONALSTANDARD

OFTHEPEOPLESREPUBLICOFCHINA

CodeforInstallationofMineralProcessing

EquipmentEngineering

GB/T51075-2015

ChiefDevelopmentDepartment:MinistryofHousingandUrban-RuralDevelopment

ofthePeoplesRepublicofChina

ApprovalDepartment:MinistryofHousingandUrban-RuralDevelopment

ofthePeoplesRepublicofChina

ImplementationDate:September1，2015专用

人人文库

ChinaPlanningPress

Beijing2015

图书在版编目（CIP）数据

选矿机械设备工程安装规范英文中国冶金建设协会

GB/T51075-2015:/

组织编译北京中国计划出版社

.—:，2015.12

ISBN978-7-5182-0298-0

中选矿机械机械设备设备安装技术规范

Ⅰ.①G…Ⅱ.①…Ⅲ.①----

中国英文

-Ⅳ.①TD45-65

中国版本图书馆数据核字第号

CIP（2015）266829

ChineseeditionfirstpublishedinthePeoplesRepublicofChinain2015

EnglisheditionfirstpublishedinthePeoplesRepublicofChinain2015

byChinaPlanningPress

rd专用

3Floor，CTower，GuohongBuilding

No.A11，Muxidi-Beili，XichengDistrict

Beijing，100038

PrintedinChinabyBeijingJinghuaHucaisPrintingCO.，LTD

©2015byMinistryofHousingandUrban-RuralDevelopmentof

thePeoplesRepublicofChina

Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformor

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

oranyinformationstorageandretrievalsystems，withoutwrittenpermissionofthepublisher.

Thisbookissoldsubjecttotheconditionthatitshallnot，bywayoftradeorotherwise，belent，

resold，hiredoutorotherwisecirculatedwithoutthepublisherspriorconsentinanyformof

blindingorcoverotherthanthatinwhichthisispublishedandwithoutasimilarcondition

includingthisconditionbeingimposedonthesubsequentpurchaser.

ISBN978-7-5182-0298-0

NoticeofMinistryofHousingandUrban-RuralDevelopment

ofthePeoplesRepublicofChina

No.701

Noticeonpromulgatonofthenationalstandardof

CodeforInstallationofMineralProcessingEquipmentEngineering

CodeforInstallationofMineralProcessingEquipmentEngineering

，numberedGB/T51075

-2015，isapprovedasthenationalstandard，anditwillbeimplementedfromSep.1，2015.

CodeforInstallationofMineralProcessingEquipmentEngineering

ispublishedandissued

byChinaPlanningPressundertheorganizationofStandardandQuotaInstituteoftheMinistryof

HousingandUrban-RuralDevelopment.专用

MinistryofHousingandUrban-Rural

DevelopmentofthePeoplesRepublicofChina

Dec.31，2014

人人文库

Foreword

ThiscodewasdevelopedbyChinaThirdMetallurgicalGroupCo.，Ltd.andotherrelevant

organizationsaccordingtotherequirementsofDocumentJIANBIAO［2006］No.136issuedbythe

MinistryofHousingandUrban-RuralDevelopment（MOHURD）-NoticeonPrintingand

DevelopmentandRevisionPlanthendbatchofNationalEngineering

Distributingthe（2）

ConstructionStandardsin

2006.

Thecodedevelopmentgroupcheckedandfinalizedthiscodebyconductinginvestigationand

research，summarizingthepast20yearsofexperienceinrelationtotheinstallationandacceptance

ofmineralprocessingequipment，widelysolicitingopinionsfromrelatedorganizationsandexperts，

anddiscussingandmodifyingtheprovisionsrepeatedly.

Thiscodeconsistsof9chapters，coveringgeneralprovisions，terminologies，basicrequirement，

equipmentfoundation，anchorboltandbaseplate，equipmentandmaterialapproach，crushing，

grindingandsievingequipment，classifyingandsortingequipment，dewateringequipment，feeding

andoredrawingequipment，etc.

专用，

ThiscodeisunderthejurisdictionoftheMinistryofHousingandUrban-RuralDevelopment

whereasChinaMetallurgicalConstructionAssociationisinchargeofmanagementandChinaThird

MetallurgicalGroupCo.Ltd.isinchargeoftheexplanationoftechnicalspecifications.Relevant

commentsandrecommendations，whenevernecessary，shouldbesubmittedtoChinaThird

MetallurgicalGroupCo.，Ltd.（Address:No.4，DuiluStreet，TiedongDistrict，AnshanCity，

LiaoningProvince.Zipcode:114003，E-mail:syjzgtx@163.com，Fax.

ChiefDevelopmentOrganization，ParticipatingDevelopmentOrganizations，ChiefDrafting

StaffandChiefReviewer:

ChiefDevelomentOranization

pg:

ChinaThirdMetallurgicalGroupCo.，Ltd

ParticiatinDevelomentOranizations

pgpg:

China22MCCGroupCorporationLtd.，

QidashanIronOreMineofAnshanIronandSteelGroupMiningCompany

ChiefDraftinStaff

g:

人人文库WangHongGuanTiexingZhangShiyuLiZongweiLiZhiyuan

ZhuXiaochuanCuiChongguoWangXiwuSunXiuxiaZhangGuoqing

LiYiE

ChiefReviewer

:

LiuGuangmingCuiHuichuanLuFuliFanQinghouZhangGuanglie

GongXiangtaoWuZhenhaiLiuYuJingSiyu

Contents

……………

1GeneralProvisions（1）

…………………

2Terminologies（2）

……………

3BasicRequirement（3）

………

4EquipmentFoundation，AnchorBoltandBasePlate（4）

…………

4.1GeneralRequirement（4）

…………

4.2EquipmentFoundation（4）

…………………

4.3AnchorBolts（4）

……………………

4.4BasePlate（4）

…………

5EquipmentandMaterialApproach（6）

…………

5.1GeneralRequirement（6）

……………………

5.2Equipment（6）

………………………

5.3Material（6）

…………………

6Crushing，GrindingandSievingEquipment专用（7）

…………

6.1GeneralRequirement（7）

…………………

6.2JawCrusher（7）

…………………

6.3CycleCrusher（8）

…………………

6.4TaperCrusher（8）

………………………

6.5OreMill（10）

…………………

6.6HighPressureRollerGrinding（13）

………………

6.7VibrationSieve（14）

…………

7ClassifyingandSortingEquipment（16）

…………

7.1GeneralRequirement（16）

………………

7.2SpiralClassifier（16）

…………………

7.3Hydrocyclone（17）

……………………

7.4FineSieve（17）

…………………

7.5Barrel-TypeMagneticSeparator（18）

…………………

7.6TurnCageMa人人文库gneticSeparator（18）

…………………

7.7Ring-TypeMagneticSeparator（19）

……………………

7.8MagneticDewateringTank（20）

………………………

7.9Flotator（20）

………………………

7.10Jigger（22）

………………

7.11ShakingTable（22）

…………

7.12CentrifugalSeparator（23）

………………

7.13SpiralConcentrator，SpiralChute（23）

………………………

8DewateringEquipment（25）

…………

8.1GeneralRequirement（25）

·1·

…………………

8.2CenterDrive-TypeConcentrator（25）

………………

8.3CircumDrive-TypeConcentrator（25）

…………

8.4TubeInternalFilteringVacuumFilter（26）

………………

8.5ExternalFilteringVacuumFilter（28）

………………

8.6PressureFilter（29）

………

9FeedingandOreDrawingEquipment（30）

…………

9.1GeneralRequirement（30）

………………

9.2TramcarDumper（30）

……………

9.3Plate-TypeFeeder（31）

……………………

9.4ElectromagneticandMotorVibrationFeeder（32）

…………………

9.5DiskFeeder（32）

…………………

9.6ChuteFeeder（33）

……………………

9.7ChainandPendulumFeeder（33）

……………

9.8OreDrawingGate（33）

…………………

9.9FeedingandOreDrawingEquipmentRunning-in（33）

…………

ExplanationofWordinginThisCode（34）

…………

ListofQuotedStandards（35）

……………

Addition:ExplanationofProvisions专用（37）

人人文库

·2·

1GeneralProvisions

1.0.1

Thiscodeispreparedwithaviewtoenhancethequalityofmineralprocessingequipment

installationengineeringofmetallurgicalconcentratorandtoguaranteetheengineeringsafety.

1.0.2

Thiscodeisapplicabletotheinstallationofcrushing，grindingandsievingequipment，

classifyingandsortingequipment，dewateringequipmentandfeedingandoredrawingequipmentof

metallurgicalconcentrator.

1.0.3

Inadditiontotherequirementsstipulatedinthiscode，theinstallationofmineralprocessing

equipmentshallalsocomplywiththerequirementsstipulatedinthecurrentrelevantstandardsof

thenation.

专用

人人文库

·1·

2Terminologies

2.0.1

Aligning

Itistheprocesstoadjustthepositionandstateofequipmentandpartstoensurethe

conformancetotherequirementsofdesignandthiscode.

2.0.2

Dyemethod

Themethodfordeterminingthemanufacture，assemblyandinstallationqualityofpartsby

applyingorpastingcoloredmaterialsoncontactsurfacesofmechanicalpartsandcheckingthe

contactcondition.

2.0.3

Scraping

Themethodoftreatingthesurfaceofpartsbyscrapingoffhigherpointsfromcontactsurfaces

ofpartswithatool.

2.0.4

Jointinspection

Jointinspectioncarriedoutjointlybytheownerorthegeneralcontractor，thesupervisorand

thecontractoronthemechanicalequipmentthathasbeeninstalled.专用

人人文库

·2·

3BasicRequirement

3.0.1

Designdocumentsanddrawingsshallbeavailableforconstructionandself-examination，

jointexaminationandtechnicalinterpretationofdesignintentionshallbedownfordrawings.

Installationofequipmentshallmeettherequirementsofdesigndocuments.

3.0.2

Technicaldocumentssuchastheconstructionorganizationdesignshallbepreparedfor

mineralprocessingequipmentinstallationengineering.

3.0.3

Withoutthedesignchangenoticeorsignedtechnicalcertificatefromdesignorganization，

constructiondrawingsshallnotbemodified.

3.0.4

Themeasuringinstrumentsusedforqualityinspectionshallhaveproductcertificatesand

usedintheirperiodofvalidity.

3.0.5

Weldingprocedurequalificationshallbeprovidedpriortoweldingworkandwelding

procedurespecificationsshallbemadeaccordingtoaqualifiedweldingprocedurequalificationreport.

3.0.6

Theconstructionroadatthemechanicalequipmentinstallationsiteshallbeclear；water，

electricity，airandotherresourcesforconstructionshallbeavailable.

3.0.7专用

Thequalityofequipmentfoundationshallmeetrelevantrequirementsofcurrentnational

CodeforConstructionQualityAcceptanceofConcreteStructureEngineering

standardGB50204

andacceptancematerialandrecordsshallbeprovided.

3.0.8

Themineralprocessingequipmentinstallationengineeringshallbecarriedoutaccordingto

therequiredprocedures，andhandoverinspectionshallbemadebetweendifferentdisciplinesand

recordsshallbemade.Self-inspection，specialinspection，andjointinspectionshallbecarriedoutfor

eachprocessaftercompletionandrecordsshallbemade.Itisnotallowedtoproceedwiththenext

oneuntilpreviousprocesshasbeeninspectedtobequalified.

3.0.9

Concealedpartsinconcealedworksshallbereportedforinspectionaftertheyhavebeen

self-inspected.Thenextprocessshallnotbecarriedoutbeforetheyarequalified.

3.0.10

Specialschemesshallbemadeforconstructioninwinterandrainyperiods.

3.0.11

Testrunofequipmentshallbeinaccordancewiththefollowingrequirements:

1

Testrunschemeshallbepreparedbeforetestrun；

2

Warninglinesandsignsshallbesetupintestrunarea；

3

Thesafety人人文库deviceofequipmentshallbecompleteandworkreliably；

4

Hydraulic，lubricationandcoolingwatersystemshalloperatenormally；

5

Eachrotatingpartshallbeoperatingsmoothlywithoutabnormalsoundandfastenersshall

notbeloose；

6

Thetemperatureriseandmaxtemperatureoftheslidingbearingshallnotexceed35℃and

70℃respectivelyandthatoftherollingbearingshallnotexceed40℃and80℃respectively；

7

Eachrotatingpartshallberunningnormallyandthetestrunshallnotbelessthan2hafter

thebearingtemperatureisstable；

8

Aftertheno-loadtestrun，connectingboltsshallbecheckedforloosening，andifthebolts

areloose，tightenthem.

·3·

4EquipmentFoundation，AnchorBoltandBasePlate

4.1GeneralRequirement

4.1.1

Thischapterisapplicabletotheinstallationoffoundation，anchorboltandbaseplateof

mineralprocessingequipment.

4.1.2

Settlementobservationshallbecarriedoutforthefoundationofthemainmineral

processingmachineaccordingtothedesignrequirementsandrecordsshallbemade.

4.2EquipmentFoundation

4.2.1

Beforetheinstallationofequipment，foundationacceptanceinspectionshallbemade，and

onlyafterthefoundationisqualifiedcanequipmentbeinstalled.

4.2.2

Theappearanceofequipmentfoundationshallbeinspectedandoildirt，waterandother

contaminationsonitssurfaceandintheholesreservedforanchorboltsshallberemoved

thoroughly；threadsandnutsofburiedanchorboltsshallbekeptingoodcondition.

4.2.3

Actualmeasurementinspectionshallbecarriedoutforequipm专用entfoundationandthecenter

line，elevation，dimension，locationsofanchorboltsandreservedopeningsshallbeinaccordance

withrequirementsofthedesigndocumentsandthestipulationsofcurrentnationalstandard

CodeforConstructionQualityAcceptanceofConcreteStructureEngineering

GB50204.

4.2.4

Thereshallbemeasuringdataforfoundationandthedatashallbehandedover.

4.2.5

Thelayoutdrawingforcenterlineandelevationbenchmarkshallbemade，andthecentral

standardplateandelevationbenchmarkshallbesetup.Thepermanentcentralstandardplateand

elevationbenchmarkshallbeembeddedforthemainequipmentandcontinuousproduction

equipment.

4.3AnchorBolts

4.3.1

Thespecificationsandfasteningforceofanchorboltsshallbeinaccordancewithdesign

requirements.

4.3.2

Oildirtandoxide-scaleonanchorboltsshallberemoved，andaproperamountofgrease

shallbeappliedtothreads.

4.3.3

Theancho人人文库rboltshallbescrewedintothereservedholevertically，andanypartofitshall

beatleast15mmawayfromthewalloftheholeandtheboltshallnottouchthebottomofthehole.

4.4BasePlate

4.4.1

Thesetting，sizeandinstallationaccuracyofequipmentbaseplateshallmeetthe

requirementsofdesigndocumentsand，ifnodesignrequirementsavailable，theyshallmeetrelevant

GeneralCodeforConstructionandAcceptance

requirementsofcurrentnationalstandardGB50231

ofMechanicalEquipmentInstallationEngineering

.

4.4.2

Whenthebaseplateisinstalledusingthebed-mortarmethod，thestrengthofbed-mortar

concreteafter48hshallreachthedesignstrengthofthefoundationconcrete.Thebed-mortarblock

·4·

strengthtestreportshallbecheckedbatchbybatch.

4.4.3

Ifthegrindingmethodisused，thelaitancecoatingonthesurfacewherethebaseplateis

installedshallberemovedthoroughly，andthepartwherethebaseplateislaidshallbeprocessed

untilthebaseplatemeetsthelevelnessrequirementsandevenlycontactwiththefoundation.

4.4.4

Whereflatbaseplateandinclinedbaseplaceformabaseplategroup，theinclinedbase

plateshallbeplacedontheflatbaseplatetobeusedinpair.Eachgroupshouldnotconsistofmore

than5plates.

4.4.5

Aftertreatmentofbaseplates，thecontactbetweenbaseplatesandbetweenbaseplateand

equipmentbaseshallbegood.Checkedwithafeelergauge，thelocalclearanceshallnotbemore

than0.1mm，andcontactareashallnotbebiggerthan70%.

专用

人人文库

·5·

5EquipmentandMaterialApproach

5.1GeneralRequirement

5.1.1

Thischapterisapplicabletoequipmentandmaterialapproach.

5.1.2

Thecontractorshallprepareaschemeofequipmentandmaterialapproachandorganizethe

equipmentandmaterialapproachorderly.

5.2Equipment

5.2.1

Open-caseinspectionofequipmentafterarrivingattheprojectsiteshallbeinaccordance

withthefollowingrequirements:

1

Open-caseinspectionshallbecarriedoutbypeoplefromtheownerorgeneralcontractor，

supervisor，equipmentmanufacturerandcontractor，hand-overproceduresshallbegonethrough

andrecordsshallbemade；

2

Thespecification，modelandquantityofequipmentshallbecheckedinaccordancewiththe

designdocumentsandpackinglist；

3

，专用；

Thesurfaceofequipmentshallbefreefromflawdamageandrust

4

Equipmentshallhavequalitycertificateandimportedequipmentshallhavecommodity

inspectioncertificate；

5

Equipmentshallbekeptproperlyafteritisunpacked.

5.2.2

Useandmanagementoftechnicalmaterialprovidedwithequipmentandassetsoftheowner

shallbeinaccordancewithfollowingrequirements:

1

Countingandacceptancecheckshallbecarriedoutandaninventoryshallbemade；

2

Electricaldevices，instrumentsandotherdevicescomingwiththeequipmentshallbe

handedovertocorrespondingdiscipline-specificorganizationsformanagement；

3

Specialtoolsforinstallationshallbehandedovertotheownerinaccordancewiththe

inventoryafteruse；

4

Sparepartsshallbehandedoverintime.

5.2.3

Whenhandlingandliftingtheequipment，theliftingpointshallbethepositionmarkedon

theequipmentorpackingcase，andprotectivemeasuresshallbetakentoavoidanydamagetothe

equipment.人人文库

5.3Material

5.3.1

Receivinginspectionofmaterialshallbeinaccordancewiththefollowingrequirements:

1

Qualitycertificatesofmaterialsshallbechecked，themodel，specification，quantityand

performanceofmaterialsshallbeinaccordancewithrequirementsofdesigndocumentsandrecords

shallbemade；

2

Recheckshallbemadeaccordingtoprovisionsifrequiredbydesigndocuments.

5.3.2

Unqualifiedmaterialsshallnotbeusedandshallbemarkedandstoredintheunqualified

productarea.

·6·

6Crushing，GrindingandSievingEquipment

6.1GeneralRequirement

6.1.1

Thischapterisapplicabletotheinstallationofcrushing，grindingandsievingequipment.

6.1.2

Theassemblyofpartsreferredtointhischaptershallmeetrelevantrequirementsof

GeneralCodefor

equipmenttechnicaldocumentsandcurrentnationalstandardGB50231

ConstructionandAcceptanceofMechanicalEquipmentInstallationEngineering

.

6.2JawCrusher

6.2.1

Theassemblyofbaseshallbeinaccordancewiththefollowingrequirements:

1

Positioningpinsbetweenjunctionsurfacesshallbeallinstalled.Thetighteningtorqueof

theboltsconnectingjunctionsurfacesshallmeettherequirementsofequipmenttechnical

documents.Thetighteningordershallbesymmetricandtheforceappliedshallbeeven；

2

Themaximumallowabledeviationforlongitudinalandhorizontalcenterlinesshallbe

3.0mm；

3专用

Theallowabledeviationforelevationshallbe±5.0mm；

4

Themaximumallowabledeviationforlongitudinallevelnessshallbe0.5/1000；

5

Themaximumallowabledeviationforhorizontallevelnessshallbe0.15/1000，anditshall

bemeasuredonthemainshaft.

6.2.2

Thepartstobeinstalledonthebaseshallbeassembledafterlevellingandaligningthebase

andtighteningtheanchorbolts.

6.2.3

Whenassemblingthemovablejaw，thefittingofbearingbushandshaftneckshallbein

accordancewiththefollowingrequirements:

1

Contactcamberedsurfaceshallbe100°-200°；

2

Thequantityofcontactpointsonthecontactsurfacewithanareaof25mm×25mmshall

notbelessthanonepoint；

3d

Thetopclearanceshallbe0.1%-0.15%ofshaftneckdiameter.

6.2.4

Forscrapingofmainbearingbush，thefittingofbearingbushandshaftdiametershallbein

accordancewiththefollowingrequirements:

1

Contactan人人文库gleshallbe100°-120°；

2

Thequantityofcontactpointswithinanareaof25mm×25mmshallnotbelessthantwo

pointsforBabbittbushandthreepointsforcopperbearingbush；

3

Thetopclearanceshallbe0.1%-0.15%ofshaftneckdiameter；

4

Clearanceateachsideshallbe0.5-1.0timethetopclearance.

6.2.5

Totalcontactlengthbetweenthethrustplateandthesupportslippershallbemorethan

60%ofthetotalplatelength，andshallbeevenlydistributed.Iftherearelocalclearances，each

sectionshallnotbemorethan10%oftheplatelength.

6.2.6

Testrunshallbeinaccordancewiththefollowingrequirements:

1

No-loadtestrunshallmeettherequirementsofArticle3.0.11inthiscode；

·7·

2

Theconnectingrodshallbeatthehighestpositionbeforetestrun；

3

Thetestrunofjawcrusherwithsafetydeviceshallnotbecarriedoutuntilthesafety

deviceisqualifiedafterbeingadjustedaccordingtotherequirementsoftheequipmenttechnical

documents；

4

Thedirectionofrotationforcompoundpendulumjawcrushershallbeinaccordancewith

therequirementsofequipmenttechnicaldocuments；

5

Duringthetestrun，thebeltshallbefreefromedgescaleorslippage；fastenersor

connectorsshallnotbeloosened.

6.3CycleCrusher

6.3.1

Theinstallationoftheequipmentshallbeinaccordancewiththefollowingrequirements:

1

Themaximumallowabledeviationforlongitudinalandhorizontalcenterlinesshallbe2.0mm；

themaximumallowabledeviationforlongitudinalandhorizontallevelnessshallbe0.1/1000；the

allowabledeviationforelevationshallbe±2.0mm；

2

Theassemblyofmovableconeeccentricsleeveandbushing，bushingandcentralsleeve

shallbeinaccordancewiththerequirementsofequipmenttechnicaldocuments；

3

Zincalloyshallbecastbetweenthemovableconeandtheliningplateandtightbinding

betweentheliningplateandtheconeshallbeensured；

4专用

Zincalloyorcementshallbecastbetweenthefixedconeandtheliningplateandtight

bindingbetweentheliningplateandtheconeshallbeensured；

5

Theclearancebetweenflangeendfacesofthecentralframewherethefixedconeisplaced

andthebaseshallbeuniformalongthecircumference，andthemaximumallowabledeviationforit

shallbe0.3mm；connectingboltsshallbetightenedevenlyandtheinsertiondepthshallbelessthan

20mmwhencheckingwithafeelergauge；

6

Theclearancebetweenflangeendfacesofthebeamandthecentralframeshallbeuniform

andnotmorethan0.3mmwhencheckingwithafeelergauge.Connectingboltsshallbetightened

evenly.

6.3.2

Testrunshallbeinaccordancewiththefollowingrequirements:

1

No-loadtestrunshallmeettherequirementsofArticle3.0.11inthiscode；

2

Therotationrateofmovableconeshallnotbemorethan9r/min.

6.4TaperCrusher

6.4.1

Theinstall人人文库ationoftheequipmentshallbeinaccordancewiththefollowingrequirements:

1

Themaximumallowabledeviationforlongitudinalandhorizontalcenterlinesshallbe2.0mm；

themaximumallowabledeviationforlongitudinalandhorizontallevelnessshallbe0.1/1000；the

allowabledeviationforelevationshallbe±2.0mm；

2

Beforeinstallationofassemblypartssuchaseccentricbushing，thrustbearingorthrust

gasket，thecontactsurfacesshallbecleanedthoroughly，andtheyshallbeassembledafterapplying

lubricatinggreaseonthefitsurfacesevenly；

3

Beforeinstallationofsupportsleeve，thecontactfitbetweenthesupportsleeveandthe

upperflangefitpartofbaseshallbechecked，andthebevelcontactshallbetightandsmooth；the

maximumallowabledeviationforplanenessshallbe0.3mm.Thereshallbeaclearanceof5mm-

·8·

10mmbetweenthebaseandthetrapezoidupperpartofthecontactpartofsupportsleeve；

4

Whenusingspringsafetydevice，theinstallationcompressionofthespringshallbe

consistentandinaccordancewiththerequirementsoftechnicaldocuments；whenthehydraulic

safetydeviceisadopted，thesystempressureshallbeinaccordancewiththerequirementsof

equipmenttechnicaldocuments；

5

Wheretheslidingbearingisusedfortransmissiongear，theaxialmovingclearanceofdrive

shaftshouldbe0.8mm-1.6mm；wherethehydrostaticbearingordynamicpressurebearingis

used，theaxialmovingclearanceofdriveshaftshallbeinaccordancewiththerequirementsof

designdocuments；

6

Thrustbearingorthrustgasketshallbeinstalledinaccordancewiththeorderspecifiedin

equipmenttechnicaldocuments.Theyshallnotbeinstalledinbasebushinguntileccentricbushing

andbaseplateareinstalledandtightened，anditshallbeensuredthatthebaseplateisplacedonthe

thrustbearingorthrustgasket；

7a

Thefitclearancebetweeneccentricbushingandbasebushingandtheupperandlowerfit

bc

clearance，betweenconebushingandmainshaftofcrushinghead（Figure6.4.1-1）shallbein

accordancewiththosespecifiedinTable6.4.1.Thefitclearancefornylonbushingshallbein

accordancewiththerequirementsspecifiedintheequipmenttechnica专用ldocuments；

Fig.6.4.1-1ClearancebetweenConeBushingandMainShaftofCrushingHeadand

betweenEccentricBushingandBaseBushing

1-Mainshaftofcrushinghead；2-Conebushing；3-Eccentricbushing；4-Basebushing；5-Frame

Table6.4.1Fitclearancebetweeneccentricbushingandbasebushingandclearance

betweenconebushingandmainshaftofbreakinghead（mm）

Clearance

EquipmentSpecificat人人文库ionabc

6002.0-2.52.2-2.76-7

9002.2-2.72.3-2.88-9

1，2002.5-3.02.4-3.08-9

1，7503.0-3.62.9-3.69-10

2，2004.0-4.63.8-4.610-11

8

Whenthetapercrusherfitswiththebowlbearing（Figure6.4.1-2），thecontactwidtha

betweenthecrushingheadsphericalsurfaceandtheoutercircleofthebowlbearingshallbe

0.3R-0.5R，andthereshallbeawedgeclearancealongtheinnercircle.Thequantityofcontact

pointsoneachcontactsurfacewithinanareaof25mm×25mmshallnotbelessthan1.

·9·

Fig.6.4.1-2FittingoftheCrushingHeadandtheBowlBushing

1-Crushingheadsphericalsurface；2-Bowlbearing；3-Wedgeclearance

9

Wheninstallingfixedcone，oredischargingclearanceshallmeettheequipmenttechnical

requirements；

10

Adjustthedrivingcylinderandlockingcylinderofelevatingadjustmentdeviceoffixed

cone.Theradialclearancebetweenplungerandguidesleeveshallbeinaccordancewiththe

requirementsofequipmenttechnicaldocuments.

6.4.2

Testrunshallbeinaccordancewiththefollowingrequirements:

1

No-loadtestrunshallmeettherequirementsofArticle3.0.11inthiscode；

2

Thetestrunshallbemadepriortotheinstallationofpartsontheadjustingring；

3专用

Eachrotatingpartshallbeoperatingsmoothlywithoutabnormalityandliningplatesshall

notbeloosened；

4

Therevolutionspeedofcrushingheadshallbeinaccordancewiththerequirementsof

equipmenttechnicalrequirements.

6.5OreMill

6.5.1

Theinstallationofmainbearingbaseplateshallbeinaccordancewiththefollowing

requirements:

1

Wherethehorizontalwidthbetweencentersoftwobaseplatesislessthan5，000mm，the

allowabledeviationforlongitudinalandhorizontalcenterlinesshallbe±1.0mm；whenwidth

betweencentersis5，000mm-10，000mm，theallowabledeviationforlongitudinalandhorizontal

centerlinesshallbe±1.5mm；whenwidthbetweencentersismorethan10，000mm，theallowable

deviationforlongitudinalandhorizontalcenterlinesshallbe±2.0mm；

2

Themaximumallowabledeviationforhorizontalpositionsoftwobearingbaseplatesshall

be1.0mm；thema人人文库ximumallowabledeviationforthedistancebetweenhorizontalcenterlinesshall

be0.5mm；

3

Themaximumallowabledeviationforlevelnessofmainbearingbaseplateshallbe0.1/1000；

themaximumallowabledeviationforrelativeelevationoftwobaseplatesshallbe0.5mm，andit

shallbeensuredthatthefeedendishigherthanthedischargeend.

6.5.2

Theinstallationofmainbearingblockshallbeinaccordancewiththefollowingrequirements:

1

Themainbearingshallevenlycontactwiththebearingbaseplateallround，withlocal

clearancenotmorethan0.1mmwhencheckingwithafeelergauge；

2

Themaximumallowabledeviationforcoaxialityoftwomainbearingblocksshallbe

1.0mm.

·10·

6.5.3

Themainbearingbushsphericalsurfaceandthebearingblocksphericalsurfaceshallbein

goodcontactandrotateflexibly，andtheassemblyofthemshallbeinaccordancewiththefollowing

requirements:

1

Thereshallbeawedgeclearanceremainedaroundthetwofitsphericalsurfacesandits

depthshouldbe25mm-50mmandtheedgeclearanceshouldbe0.2mm-1.5mm；

2

Thecircumferentialcontactwrapangleoftwofitsphericalsurfacesshallnotbelessthan

45°；theaxialcontactwidthshallnotbemorethan1/3ofthatofsphericalsurfacebaseandnotbe

lessthan10mm；

3

Contactspotsofcontactsurfaceshallbeevenlyandcontinuouslydistributed；

4

Whenassemblingmainbearingandbearingblock，lubricatingoilmixedwithgraphiteor

molybdenumdisulfidegreasecanbeevenlyappliedonthebearingsphericalsurface；

5

WhenthefitcontactdoesnotmeettherequirementsofItems2，3ofthisArticle，scraping

shallbedonewithinthecontactzone；itscontactspotsshallbeevenlyandcontinuouslydistributed，

andthedistanceshallnotbemorethan15mm.

6.5.4

Theassemblyofmainbearingbushandhollowshaftshallbeinaccordancewiththe

followingrequirements:

1

Contactangleshallbeinaccordancewiththerequirementsofdesigndocumentsandshould

be70°-90°ifnodesignrequirementsavailable；

2专用

Afterscrapingofbearingotherthanhydrostaticbearingordynamicpressurebearing，the

quantityofcontactpointsoneachcontactsurfacewithinanareaof25mm×25mmshouldbe2-4.

6.5.5

Thepressuretestofmainbearingbus