modelVerticalMill_L3

Vertical roller mill such as ball-and-race mill and roller-bowl mills

Extends from ClaRa.Basics.Icons.RollerBowlMill, ClaRa_Obsolete.Basics.Icons.Obsolete_v1_3 (This model will be not longer supported than Version 1.5!), ClaRa.Basics.Icons.ComplexityLevel (Displays the complexity level inside model icon ).

Parameters

TypeNameDefaultDescription
Fundamental Definitions
ClaRa.Basics.Media.Fuel.PartialFuelcoalsimCenter.fuelModel1Medium to be used
TILMedia.Gas.Types.BaseGasgassimCenter.flueGasModelMedium to be used in tubes
Mill Definition
ClaRa.Components.Mills.HardCoalMills.Fundamentals.RollerBowlMillDefinitionmillKoeffClaRa.Components.Mills.HardCoalMills.Fundamentals.STV1()Coefficients of the mill
IntegerN_mills1Number of equal mills in parallel
Initialisation
ClaRa.Basics.Units.TemperatureT_out_startsimCenter.T_amb_startInitial temperature in mill
ClaRa.Basics.Units.Massmass_rct_start1000Initial mass of Raw Coal on the Table
ClaRa.Basics.Units.Massmass_pct_start100Initial mass of Pulverized Coal on the Table
ClaRa.Basics.Units.Massmass_pca_start100Initial mass of Pulverized Coal in the Air
ClaRa.Basics.Units.MassFraction[coal.nc - 1]xi_wc_startcoal.defaultCompositionInitial Wet Coal composition
IntegerinitOption0Type of initialisation
Summary and Visualisation
BooleancontributeToCycleSummarysimCenter.contributeToCycleSummaryTrue if component shall contribute to automatic efficiency calculation
Expert Settings
BooleanapplyGrindingDelayfalseTrue if grinding process introduces a dead time
ClaRa.Basics.Units.TimeTau_delay120Grinding dead time
Expert Settings › Shutdown
BooleanactivateGrindingStatusfalseTrue, if Status input is activated which makes it possible to stop the grinding process

Connectors

TypeNameDefaultDescription
Modelica.Blocks.Interfaces.RealOutputDelta_p_millPressure Difference between inlet and outlet connector
Modelica.Blocks.Interfaces.RealInputclassifierSpeedSpeed of classifier
Basics.Interfaces.FuelFlueGas_inletinletCombined gas-and-coal(raw, wet) inlet
Basics.Interfaces.FuelFlueGas_outletoutletCombined gas-and-coal(pulverised, dry) outlet
Modelica.Blocks.Interfaces.RealOutputP_millsMill power of all parallel mills
Modelica.Blocks.Interfaces.RealInputgrindingStatusgrindingStatus_Input to stop grinding process, when mill is shutdown

Components

TypeNameDefaultDescription
Stringcomplexity (from ComplexityLevel)"??"
ClaRa.Basics.Interfaces.Connected2SimCenterconnected2SimCenter
ClaRa.SimCentersimCenter
TILMedia.Gas.Gas_pTgasIn
ClaRa.Components.Mills.HardCoalMills.Fundamentals.SummaryMillsummary
TILMedia.Gas.Gas_pTgasOut