Fractionation heat balance control system

Details Fractionation heat balance control system Fractionation heat balance control system

B - Operations, Transporting

01

D

202/55

B01D 3/42 (2006.01)

Patent

CA 1060835

ABSTRACT OF THE DISCLOSURE Heat balance of a fractionation column is maintained through the utilization of differential temperature sensors located at selected points in the height of the column. Signals representative of three delta-T's are employed in regulating the quantity of reflux to the rectification zone and the enthalpy (heat-input content) of the reboiled liquid bottoms stream. With respect to the former, two differential- temperature signals are used; these result from four temper- ature sensors vertically-spaced along virtually the entire height of the fractionation column.

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