22X6m磨机操作手册英文.docx

22X6m磨机操作手册英文.docx

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22X6m磨机操作手册英文

Φ2.2×6mBallMill

OPERATIONMANUAL

JIANGSUPENGFEIGROUP

HAI'ANCONSTRUCTIONMATERIALEQUIPMENTCO.LTD.

Add.:

5RenminMid-road,DagongTown,HaianCounty,JiangsuProvince,P.R.ofChina（P.C.）:

226623

（TEL）:

（0513）8875831588755141（FAX）:

（0513）88756618

E-mail:

jspengfei@

MAINTECHNICALPERFORMANCE

Specification

Ф2.2×6m

Typeofmill

Reardischarging

Grindingmethod

Openflow

Speed（rpm）

22

Maxloadingforgrindingmedia（t）

25~30

Capacity（Drymaterial）（t/h）

About18

Effectvolume（m3）

19.9

Finishedproductsize4900holescreeningresidue（cm2/g）

8~10

Motor

Type

JR138-8

Power（kW）

320

Voltage（V）

380

Rotationrate（r/min）

735

Reducer

Type

JDX45

Ratio

5

Weight（t）

46.62

Thinoilstationformainbearing

1.Capacityofthemillisrelativewithfeedingsize&etc,thistableisonlytomakethereference.

2.Equipmentweightisn’tincludethemotorandreducer.

I.PRINCIPLEOFOPERATIONANDUSESOFMILL

Tubemillisahorizontalrotarycylinder,loadinabrasivemediums（generaltheyaresteelgrindingballs,clypeus）.Tocrushthematerialsmainlybypercussionenergyoftheabrasivebodieswhentheshellrotarytoliftandfallthem,andthematerialstobecrushed.Duringtheoperationalprogress,byrollandsliderepeatedly,thematerialsweregotslidegrindingandpercussivecrushing.Somassivematerialbecomepowder.

Thismachineismainlyusedingrindingforcementrawmealsandcementclinkers.

II.SUMMARYFORSTRUCTURE

（I）Transmissionsystem

Transmissionsystemiscomprisedofmotor,reductionunit,transmissionshaft,girthgearandpinion（centraldrivemilldon’tusegirthgearandpinion）,couplingetc.Thereductionunitisconnectedtothemotorbyspringcoupling,andthepinionisconnectedtothereductionunitbyspringcouplingwhichhasagooddampingcapacityandmayreducetheshockandvibrationinfluenceofmillshellonthereductionunitandincreasetheserviceliftoftheequipmentandconvenienttomaintain,Girthgearisfixedontheflangeofshellbody,shellbodyisrotatedbymotorpassingreducertransmissionshaftpinionandgirthgearrim.Inordertoincreaseserviceliftoftransmissiongears,themillusesthe“largemodified”gear.

（II）Feeddevice

Feeddevicemainlyconsistsofcharginghopper,supports,observationdoor,etc.Linerisfixedinthecharginghopper.Butitalsousesmaterialsaslinertoreduceitswearingforcharginghopper.Thespacersareusedbetweenthehopperandthesupporttoadjustthecentralheightofthehopperbyincreasingordecreasingthespacerpieces.

（III）Rotatingpart

Rotatingparthascharginganddischargingscrew,charginganddischargingTrunnionshafts,girthgear（centraldrivehasn’tgirthgear）shellbody,linersandcompartmentseparators,etc.

Shellbodyismadeofsteelplates,whicharerolledupandwelded.Theplain-endcoversofthesamekindofsteelplatesareweldedontheshellbodyends.Therearemanholesonshellbodywitheachonehasastrengthenedge.Themillhasacoarsegrindingcompartmentandafinegrindingcompartment.ThecircularlinersofZGMn13manganesecastingsteelareboltedontheshellbodyinthecoarsegrindingcompartment.Theshapeofboltsholeisovaltopreventthestressconcentration.Linersareusedinthefinegrindingcompartmentbybolt.ThecompartmentseparatorsofZGMn13manganesecastingsteelaresinglelayer.Thetwomainbearingssupportthewholerotatingpartbytwoquillshafts.Quillshaftsareconnectedwithplain-endcoversbybolts.

（Ⅳ）Mainbearing

Mainbearingsarecomprisedofglobebearings,bearingseatsanduppercovers,etc.Theglobesbearingsareusedforpurposesofautomaticalignmentshaftlinesoftrunnionshafteachother,andmakeregularoillubricationformainbearings.

Thefixedoilrings（beltoilrings）areinstalledonthetrunnionshaftsforlubrication,topreventoilleakage.Smalloilbrushesareinstalledonthebothsidesofmainbearingandoilscrapersareinstalledonthesideofnearshellbody.（Thinoilstationisusedaccordingtocustom’srequirement）.

Becausethegrindingproducesalargeamountofheat,themainbearingsarecooledbywatertokeepthenormaloperationofthemainbearings.Heat-insulatingmaterialisfilledintothegapbetweenthescrewtubeandtrunnionshafttopreventheattransfer.

Dischargingdeviceconsistsofdischargingcover,supports,dischargingscreen,etc.Thedischargingscreenisconnectedwithdischargingscrewtubebybolts.Thegroundmaterialdropsintodischargingcoverthroughthescreen.Someobjects（suchasironpieces,bolts,etc.）willberemovedfromexit.Thepipelineconnectedwithdustcollectorisinstalledonthedischargingcover.Airlockdeviceisinstalledonthelowerpartofdischargingcoverwhichisconnectedwithconveyingequipmentinordertoavoidairleak.

III.INSTALLATION

（I）Foundation

1.1Foundationcheckandaccept

（1）Beforeinstallingthemill,thefoundationshouldbeclearedupandcheckedoverforquality,itsstrengthshouldconformtorequirementsofrelevantcommunications.

（2）Arrangementanddimensionofeyeletboltholesoffoundationshouldbeappropriatetoallowmachinerybasedriftprobablyonarbitrarydirection10~20mm.Distancebetweeneyeletboltsandfoundationalholewall,andbetweenlowendofeyeletboltandholebottom,mustbenotlessthan15cm.Dimensionofeyeletboltreserveholerefertotable1.

Table1Eyeletboltholedimensiononcrosssection

Boltspecification

Foundationalholedimensions

Square

Circle

M12

80×80

Φ100

M16

90×90

Φ110

M20

100×100

Φ120

M24

120×120

Φ140

M30

140×140

Φ160

M36

150×150

Φ170

M42

160×160

Φ180

M48

170×170

Φ190

M56

180×180

Φ200

M64

190×190

Φ220

（3）Thereshouldbenosundryarticleandwaterineyeletboltsholes.Beforeinstalling,shouldcoverthemtoavertanysundryarticlefallin.

（4）Foundationoveralldimensionsshouldbeinspected,anditselevationsrelativetofactorybuildingandotherequipmentsshouldfitdesign.

（5）Inordertoadjust（heightofequipment）byfittingspacesthatbetweenfoundationandmachinerybaseplate,therefore,foundationelevationshouldbelower30~50mmthanbasesurfaceofequipment.

（6）Inordertogetintegrativecombinationbetweensecondpourandformerfoundation,therefore,shouldshovelsurfacethatwillbetosecondpourandletthembecomepockmarks（pitdiametermaybe30~50mm）,distancebetweenpitseachothermayusuallybeabout150mm.Shovelupnotchesontheirbordersoffoundation.

（7）Foundationtreatment

（a）Shovelitandcutdownbyflatshovelwhenelevationistoohigher,shoveluppockmarksandpatchingpourbyformergradeofconcretewhenitistoolower.

（b）Ifeyeletboltsdrift,mayextendreserveholes,orbakeandmanifesteyeletboltsasdullredandcorrectthem.

1.2Centermarkingboards

Whenfoundationhasbeeninspectedandfitrequirements,accordingtodrawings,whichhavebeenmeasuredmillandhavebeenaltered,thenmayfixcenter-markingboardsinfoundation.（Note:

usingthesamemeasuringtool）.

Centermarkingboardsareusuallymadefromsteelrail.I-steelorchannelbeam（channelbar）,theirdimensionsabout（150~200mm）×（30~60mm）.Fixeddurablytheminfoundation,thenmarkoutcenterpoints,punchverysmallholesbypuncher（orbytheodolite）.Theseholesareregardedasbasesofobtainingthepositionsofequipmentforinstallation.

1.3Datumpoints

Datumpointsareregardedasstandardbasesofelevationsforinstallation,tomeasureuptheirelevationsagainst“zeropointofplantdistrict”,andmakemarksonthem.

Datumpointsareusuallymadeofrivets,andweldupapieceof50mm×50mm,thickness10mmofsteelplatesontheheadsofrivets,orwelduptwopiecesof50mmlong,havebeenbentofscrewysteel.Theyareburiedinpredeterminedarea.Alsodatumpointsmaybespotweldedonrelevantreinforcedsteelbar.

1.4Drawinglinesonbase

Therequirementsofdrawinglinesonbaseshouldbeasfollowing:

（1）Distancebetweentwocrosswisecenterlinesonbaseoftwomainbearingitserrorshouldbenotabove1/10ofmillexpansionmoreovershouldbenotabove2mm.

（2）Thepositionoflengthwisecenterlinethatisindicatedbycentermarkingboard,ascomparedtodrawings,theirdisplacementshouldbenotabove±3mm.

（3）Millcenterlinemustparallelseverelytocenterlineoftransmissionshaft,itserrorshouldbenotabove±0.5mm.

（4）Diagonallinesofadjacentbasesshouldbemeasured,andadjustthembeingequaleachother,toobtainappearing90°betweencrosswisecenterlineandlengthwisecenterlineeachother.

1.5Hangcenterline

Thepurposesofhangingcenterlinearetocheck（positional）relationsofeveryparteachotherininstalling.

（1）Tocheckthedistancebetweentwoactualcenterlinesofmainbearingsonbaseplates,andthepositionofcenterpointofmarkingboardbycentermarkingboards.

（2）Tochecktheverticaldistancebetweenmillshellcenterlineandtransmissionshaftcenterline,andtheverticaldistancebetweenthemotorcenterlineandtransmissionshaftcenterlinebycentermarkingboards.

（3）Tocheckthepositionsoftheeyeletboltsholesshouldfitdrawing.

（II）Installingofeyeletbolts

（1）Eyeletboltsshouldhavebeencleaneddownoilstainsandrust,andsmeargreaseonscrewthreadsmakeantirust.Beforeinstallingshouldavertstrictlyforeignmattersfallinbaseholes.

（2）Eyeletboltsshouldbeperpendicularinthebaseholes,theirperpendicularlytolerancesare5/10000.

（3）Belowthenutwhichisontheeyeletboltshouldaddwashermoreovercheckdeviceshouldbeusedforlockingthem.（lockingnutspringwasher）

（4）Theorderoftighteneyeletboltsshouldbeginatcent