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1、ActiveWetEndManagementandPaperQualitymanagementHeikkiKumpulainenBusinessManager,WetEndMeasurements1©MetsoOverviewofthepresentation-TheroleofWetEndmeasurements-RefinerControls•kajaaniMAP-WetendstabilityandControlconcept•kajaaniWEMandkajaaniRM3•Whitewate
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5、llerChemistryattheareawheresheetRetentionaidpropertiesareset.Headbox7.3kg/s:-5,8kg/sfiberWhiteWater3,3kg/s:-1,5kg/sfiller-2,4kg/sfiber-0,9kg/sfillerFreshfiller-0.3kg/sToLongCirculation1,0kg/s:ThickStock4,7kg/s:-0,7kg/sfiber-4,1kg/sfiber-0,3kg/sfiller-0
6、,6kg/sfiller•LessVariationstoshortcirculation•LessVariationstolongcirculation•Leadingto-Stablesheetstructureformation-Improvedrunnability-Betterprofiles5©MetsoSlide5pvi3trevirtapa,2008-4-18TheCostofInstabilityQuality•Muchvariabilitytoofasttocontrolfrom
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8、dControl6©MetsoDate/Title/AuthorContinuousMeasurements–ToolsforWetEndManagementKajaaniConsistencykajaaniRM3kajaaniWEMkajaaniMAPConsistencyTotalConsistencyChargeDemandFreeness(T227)kajaaniMCAAshConsistencyBasicChemistryFiberProperties•mi
