A heat source or sink may be placed on any stage of the column. A negative sign is used to denote a cooling duty; a positive sign is used to denote a heating duty.
Usage
Push the Heaters and Coolers button from the BATCHFRAC Main Window or Policy Segment Window.
Tray
The tray number for the heater/cooler.
Duty
The duty for the heater/cooler in the dimensional units displayed, with a positive sign indicating a heat source and a negative sign indicating a heat sink. The dimensional unit may be changed using the Unit-Of-Measure Selection Window, which is displayed when the UOM button on the Toolbar is pushed.
Duties specified on the trays in the main DEW will be used in the policy segments. Duties can be changed for any specific policy by overwriting the duties inherited from the previous policy. New duty specified will be used for all the subsequent policies.
If the inheritance of the duties from previous policies need be stopped, then check box should be on, and all the rows in the DEW need be made blank.
Related Topics
BATCHFRAC ® is a registered trademark of Koch-Glitsch, LP