Size / Design Variable
Volume
Costing Variable
(Built-in Model)
None
Costing Variable
(User-Defined Model)
Volume in L
Emissions Port
No
Hosts
Batch 3x3 Generic Box Procedure
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Size / Design Variable |
Volume |
|
Costing Variable |
None |
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|
Costing Variable |
Volume in L |
|
|
Emissions Port |
No |
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Hosts |
Batch 3x3 Generic Box Procedure
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A Batch 3x3 Generic Box (GBX) is used to represent an equipment resource typically used to host a generic batch vessel procedure which can carry out different types of vessel operations such as transferring, cooling, heating, phase change, react, cleaning or pressurizing. The procedure can be executed in batch/semi continuous mode only.
See 1x1 Batch GBX: Equipment Tab.
In design mode, the user specifies the max volume, and the program calculates the number of units and volume based on the volume demand that is specified by the operations carried out as part of the (one or more) unit procedures hosted by the equipment resource. Typically, even during the span of a single procedure, more than one operations may demand different volumes. The software will size the vessel based on the largest demand on vessel volume amongst all operations executed in the vessel. If that volume exceeds the maximum volume specification then the software will assume multiple number of identical units, each with a volume that does not exceed the max volume specification, so that the total volume is equal to the demand. From the vessel volume and the height-diameter aspect ratio, the actual dimensions of each vessel (height and diameter) are calculated.
For each operation, the operation’s demand on liquid volume is divided by the operation’s max allowable working to vessel volume ratio to determine the operation’s demand on vessel volume. The equipment’s min and max allowable working to vessel volume ratio limits act as constraints on the operation’s min and max allowable working to vessel volume ratio limits (i.e., the operation’s min and max working to vessel volume ratio limits must be within the range defined by the equipment’s min and max working to vessel volume ratio limits).
In rating mode, the volume of the vessel and the number of units are provided by the user. As in the design mode case, the actual dimensions of each vessel (height and diameter) are calculated from the vessel volume and the height-diameter aspect ratio. The program also calculates exactly as in the design mode case the demand on vessel volume by the operations carried out as part of the unit procedure(s) hosted by the equipment resource, and if any the vessel volume demand of any operation exceeds the actual vessel volume, it generates a warning.
No cost is calculated for this equipment, as it represents generic equipment that is not explicitly available in the current version of SuperPro Designer. The user can directly enter the cost, or a user defined model for the equipment cost.
● Equipment Heat Capacity; the product of equipment mass times its specific heat capacity. It is used by operations that are executed in the vessel and involve heating and/or cooling. If part of the heat exchange is directed to the vessel, then this variable is used to estimate heating/cooling losses.