Gas injection apparatus and method

Details Gas injection apparatus and method Gas injection apparatus and method

1995-09-21

1996-08-20

Freay, Charles

Pumps

Successive stages

With interstage intake or additional inlet to latter stage

417252, 417 53, 415116, F04B 2500

Patent

active

055473474

ABSTRACT:
An apparatus and method for dispersing a gas in a liquid and for increasing gas pressure of a gas from a supply pressure to a delivery pressure. A first pump pumps the liquid to produce a pressurized liquid stream. The gas is injected into the pressurized liquid stream through for instance, a piping tee. The gas injection produces a pressure drop within the gas and as a result, the first pump pumps the liquid stream so that it has a static pressure no greater than the injection pressure. A second pump pumps the resultant pressurized gas-liquid stream so that an outlet liquid stream is produced with the liquid having a greater head than that of the pressurized liquid stream and the gas having the increased delivery pressure.

REFERENCES:
patent: 3116872 (1964-01-01), Buechel et al.
patent: 4059714 (1977-11-01), Scholl et al.
patent: 4200207 (1980-04-01), Akers et al.

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