Rotary Drying Operation Variables

●      General Operation Variables

●      Rotary Drying operation specific variables as listed in the following table:

Variable

Variable ID (varID)

Data

Type

Extra arg.

(val2) and

type

I/O

Perform Reaction Calcula­tions

bPerformRxnCalcs_VID

Boolean

 


I/O

Use Hot Gas flag

bUseHeatingtGas_VID

Boolean

 

I/O

Use Cold Gas flag

bUseCoolingGas_VID

Boolean

 

I/O

Preheat the inlet gas

bUseHeatingAgent_VID

Boolean

 

I/O

Hot gas temperature

hotGasTemp_VID

Double

 

I/O

Radiation heat losses

heatLoss_VID

Double

 

I/O

Size is based on specific evaporation rate TRUE, based on specific feed rate FALSE

bCalcSizeBasedOnSpecEvap­Rate_VID

Boolean

 

I/O

Specific evaporation rate

specificEvapRate_VID

Double

 

I/O

Specific liquid/solid feed rate

specificFeedRate_VID

Double

 

I/O

Primary gas out dew point

gasOutDewPoint_VID

Double

 

O

Liquid/Solid entrainment in primary gas

entrainmentFrac_VID

Double

 

I/O

Main drying flow option

dryingGasFlowOption_VID

Long1

 

I/O

Relative amount of pri­mary gas in to evapora­tion ratio

dryingGasToEvapRatio_VID

Double

 

I/O

Volatile content of pri­mary gas out stream

gasOutVolatilesToNonVola­tiles_VID

Double

 

I/O

Primary gas out tempera­ture

gasOutTemp_VID

Double

 

I/O

Main drying product tem­perature

dryingTemperature_VID

Double

 

I/O

Main drying LOD before evaporation

initialLOD_VID

Double

 

O

Main drying LOD after evaporation

finalLOD_VID

Double

 

I/O

Main drying vapor frac­tions set by user or calcu­lated

vaporFracSetByUser_VID

Boolean

 

I/O

Main drying, component is volatile flag

bVolatile_VID

Boolean

Component Name (String)

I/O

Main drying, component evaporation fraction

evaporationFraction_VID

Double

Component Name (String)

I/O

 

 

 

 

 

Secondary gas out dew point

secGasOutDewPoint_VID

Double

 

O

Liquid/Solid entrainment in secondary gas

secEntrainmentFrac_VID

Double

 

I/O

Secondary flow option

secDryingGasFlowOption_VID

Long1

 

I/O

Relative amount of sec­ondary gas in to evapora­tion ratio

secDryingGasToEvapRa­tio_VID

Double

 

I/O

Volatile content of sec­ondary gas out stream

secGasOutVolatilesToNonVola­tiles_VID

Double

 

I/O

Secondary gas out tem­perature

secGasOutTemp_VID

Double

 

I/O

Secondary product tem­perature

secDryingTemperature_VID

Double

 

I/O

Secondary LOD before evaporation

secInitialLOD_VID

Double

 

O

Secondary LOD after evaporation

secFinalLOD_VID

Double

 

I/O

Secondary vapor fractions set by user or calculated

secVaporFracSetByUser_VID

Boolean

 

I/O

Secondary, component is volatile flag

secIsVolatile_VID

Boolean

Component Name (String)

I/O

Secondary, component evaporation fraction

secEvaporationFraction_VID

Double

Component Name (String)

I/O

●      

Note: Use GetOperVarVal2/ SetOperVarVal2 when an extra argument (val2) is required

Long1: Note that you can use the following correspondence between the number and the Main Drying (Primary) & Post-Drying Cooling (Secondary) flow option:

Gas In Stream Flow Option

Long

Available in Stream

1

Set Relative Amount

2

Set Volatile Content of Gas Out Stream

3

Calculated Based on Gas Out Tem­perature

4