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ID:16399536
大小:23.87 KB
页数:9页
时间:2018-08-09
《步进梁式加热炉压力测量资料(pressure measurement data of walking beam reheating furnace )》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、步进梁式加热炉压力测量资料1(Pressuremeasurementdataofwalkingbeamreheatingfurnace1)ApplicationofDCScontrolsysteminwalkingbeamreheatingfurnaceTop(0)2012-07-1811:40:02articlesource:OFweekindustrialcontrolnetworkIsaytwo(0)Introduction:steppingfurnacechargingstepandchargingintoandoutbySIEM
2、ENSPLCcontrol.Thehigh-speeddiscretecontrol,processcontrolandsafetycontrolintoaLogixcontrolplatformandadvancedcontroltechnology,thecontrolaccuracyofthefurnace'stemperatureat50DEGC-5DEGC,liftingonly12min;fuelratioautomaticoptimizationsoftwaretoreplacethecalorimeterandoxygen
3、analyzerfunctionspace.KeywordsDCSreheatingfurnace1IntroductionAnyangsteelhighspeedwirerollingfurnaceisawalkingbeamfurnacewithexcellentperformance.Itseffectivesizeis20700x12700mm.Ratedheatingcapacity:120t/h,maximumheatingcapacity:140t/h.Blankspecification:singlerowcloth:15
4、0x150x12000mm;doublerowcloth:150x150x5800mm;nonfixedblank:9000-12000mm;maximumbilletweight:2190kg.Combustionmedium:highcokeovengasmixture,lowcalorificvalueis7536+210kj/m3.Maximumdosageof24812m3/h.ItsthermalcontrolsystemiscompletedbyRockwellcompany'sprocesslogixdcssystem.S
5、tepchargingstepfurnaceandcharginginandoutofthefurnacearecontrolledbySIEMENSplc.Thehigh-speeddiscretecontrol,processcontrolandsafetycontrolintoaLogixcontrolplatformandadvancedcontroltechnology,thecontrolaccuracyofthefurnace'stemperatureat50DEGC-5DEGC,liftingonly12min;fuelr
6、atioautomaticoptimizationsoftwaretoreplacethecalorimeterandoxygenanalyzerfunctionspace,realizetheoptimumproportionoffuelflowandairflow,sothattheburningofthebeststate.2systemhardwarecompositionProcesslogixDCScontrolsystem(controlbuilderanddisplaybuilder)isusedinhighspeedre
7、heatingfurnacerockwell.Thesystemisconfiguredwith3parts:operationstation,serverandcontrolstation.Thestructureisshowninfigure1.(1)serverInordertousetheprocessparametersefficiently,thesystemisconfiguredwithDellserver,andthesystemplatformiswindowsnt.Afterconfiguringtheprocess
8、logixserver,theserverhasareal-timedatabaseandfunctionalmodules.Theusercanconfigureandoptimizethe
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