Control of dumping of a reactor

Details Control of dumping of a reactor Control of dumping of a reactor

1982-07-20

1984-09-04

Sever, Frank

Distillation: processes, separatory

With measuring, testing or inspecting

Of temperature or pressure

202206, 203 88, 203DIG18, 422112, 422131, B01D 342

Patent

active

044695608

ABSTRACT:
In a batch process in which reaction effluent is dumped from the reactor to a flash tank through a dump line which contains both a dump valve and a control valve, the control valve is manipulated in response to a signal which opens the control valve at a desired rate as a function of time or in response to a signal which is representative of the maximum opening of the control valve which can be maintained without exceeding a pressure limit in the flash tank whichever signal is representative of the lower opening of the control valve. In this manner, reaction effluent is withdrawn from the reactor at a substantially maximum rate without causing flashing across the dump valve and without exceeding a pressure limitation for the flash tank.

REFERENCES:
patent: 3676653 (1972-07-01), Arens
patent: 3941664 (1976-03-01), Scoggin

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