Liquid level control in gas-liquid mixing operations

Details Liquid level control in gas-liquid mixing operations Liquid level control in gas-liquid mixing operations

1990-03-30

1991-04-02

Miles, Tim

Gas and liquid contact apparatus

Contact devices

Rotating

B01F 304

Patent

active

050045717

ABSTRACT:
A gas-liquid mixing vessel utilizes an axial flow, down-pumping impeller in a draft tube to create vortex development so as to draw gas from the overhead in a body of recirculating liquid. A surge tank is used to accommodate volume changes in the vessel, and a liquid level control feature, in which the gas phase pressures in the mixing vessel and the surge tank are adjusted, is used to maintain the liquid level in the mixing vessel at a desired level for proper vortex development.

REFERENCES:
patent: Re32562 (1987-12-01), Litz
patent: 3204768 (1965-09-01), Daniel
patent: 3724667 (1973-04-01), McKinney
patent: 4317731 (1982-03-01), Roberts, Jr. et al.
patent: 4328175 (1982-05-01), Roeckel et al.
patent: 4454077 (1984-06-01), Litz

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