Fractionation heat balance control system

Details Fractionation heat balance control system Fractionation heat balance control system

1975-12-29

1977-05-17

Bascomb, Jr., Wilbur L.

Distillation: processes, separatory

With measuring, testing or inspecting

Of temperature or pressure

203DIG18, 202160, 202206, 196132, 208DIG1, 203 99, 203DIG19, B01D 342

Patent

active

040240274

ABSTRACT:
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 temperature sensors vertically-spaced along virtually the entire height of the fractionation column.

REFERENCES:
patent: 2580651 (1952-01-01), Boyd
patent: 2684326 (1954-07-01), Boyd
patent: 3464895 (1969-09-01), Boyd
patent: 3475287 (1969-10-01), DeGraff
patent: 3830698 (1974-08-01), Kleiss
patent: 3855074 (1974-12-01), Mosler

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