Insitec系统在炭素生产中的应用-在线粒度监控在炭素

Page1200PIDPIDOn-lineParticleControlSystemusedforCarbonIndustryWuAnJingChinaAluminumIndustryStockCo.,LtdGuizhouBranchCarbonTechnologyOfficeAbstract:Presentlyinthecarbonindustrythecarbonpowdersizedistribution,alsonamedpurity,ismostlymeasuredbyuseofthe200meshsieves.Andthelaserparticlesizeanalyzersalsohavebeenusedinthisfield.However,thesetwomethodsbothusingdiscontinuoussamplinganalysis,andhenceitwillhasdisadvantagesfortheproductioncontrolandtheoptimization.Theonlineparticlesizemeasurementsystem,whichisfromMalvernInstrumentsinBritish,hasbeenusedinourcompany.Theuseofithasmadetheproductioncontrolquitesimpleandconvenient,timelyanddependable.What’smore,itcanmakesureofastableandstrictqualificationoftheproducts.AndbyusingofthePIDautomationcontrol,theproductioncontrolandtheoptimizationgetmuchgreatersecuritythanbefore.ThemaincontentofthisarticleincludesthattheworkingprincipleoftheMalvernonlineparticlesizemeasurementsystem,itstechnicaladvantages,systemfunctionsandthenewideaofrealizingtheautomationintheproductioncontrol.Keywords:granularity,on-linemeasurement,real-timeoptimization,PIDautomationcontrol,processoptimization,rotatespeedofcyclones24Page213INSITEC121.(3)2.3.4.2500/1/4PLCDCSPage31.242.3.4.PLCDCS474umPLCPID74µ74µ74µ4Page4405567567Page524PLCDCSPID