资源描述：
《技术规范(针对水泥磨部分)》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、1.1.TECHNICALSPECIFICATIONS1.1.1.HORIZONTALBALLMILLMillshell:holesforlinersboltaccordingtoDINStandard(250mmaxialpitch,314mmradialpitch);noheadweldings,theconnectionhead-wall/shellhastobedesignedaccordingtoEuropeanconstruction,theweldingsofshell(internal)havetobes
2、moothed(ground).Abovepointshavebeendiscussedduringdifferentmeetingsbeforecontract.TheContractorwillgivetotheOwnerthemanufacturingdrawingofthemillshellforapproval.Inletsystem:devicewithflowofmaterial(chute)separatedfromairflowinordertoallowmillinternalventilation.
3、Millventilation:designairflowspeed(net)1,5m/sat30%ballchargefillingdegree;inletandoutletsystem,centralopeningofdiaphragmshavetobedesignedforairspeedrespectivelyofmax25m/s(inletandoutlet),12m/s(centralopeningsofdiaphragms).Millshellliners:liftingdesignforfirstcomp
4、artment(boltedtype),classifyingdesignforsecondcompartment(boltedorsemi-bolted),linershavetobeinstalledwithalayerofhardrubberorclingerittoavoiddirectcontactbetweenlinerandshellMillratioL/Dmustbefrom3tomax3,3referredtousefuldimensions;thisrequesthastheaimtoavoidthe
5、riskofcoatingduetoover-grindingoflimestoneBallchargefillingdegree:operating28%,design30%(formechanicaldesignofthemill,forinletchuteanddiaphragmscentralopeningdesign).Transportsofthecircuit:havetobedesignedformaximumcapacityofthemill,referredtotheinstalledpower.Mi
6、lldischarge:equippedwithanairlocksystemtoreducefalseair^Toavoidsomecoarseparticles(ironorothermaterial)fromgoingintothedynamicseparator,atrapbetweenmilloutletandseparatorinletfeedshouldbeinstalled.Millsupports:withstandardsupports(noshoepadsbearings),equippedwith
7、lubricationunits(lowpressureandhighpressure),doublefilters,oilcooling,stand-bypumps,oilheatingifnecessary.ForfurtherdetailsrefertothedatasheetA4.3HorizontalBallMillDataSheet.1.1.2.BALLMILLMAINDRIVEShallbedrivenbyacentraldrive(typeSymetro)andthedesignofthegearssha
8、llbebasedonasafetyfactor,accordingtoAGMAstandard,>2,5(referredtotheinstalledpower).TheContractorhastosendallnecessaryinformationforthegeardesignaccordingtoAGMA
