Gas and liquid contact apparatus – Contact devices – Injector type
Patent
1979-07-05
1981-10-06
Chiesa, Richard L.
Gas and liquid contact apparatus
Contact devices
Injector type
137209, 210220, 261123, B01F 304
Patent
active
042935067
ABSTRACT:
An apparatus is provided for causing circulation within a large body of fluid. The apparatus comprises a "large bubble" generator exposed to the pressure of the fluid at a predetermined level, a vertically extending standpipe, preferably of adjustable height, an inverted siphon between the standpipe and the generator, and a transverse connection between the standpipe and a vertically extending stackpipe. Upon generating a large gas bubble into the stackpipe, the gas acts as a piston within the stackpipe, pushing liquid upwardly therethrough, and thereby drawing liquid into the bottom. The continuous passage of such large bubbles through the stackpipe results in a current flow circulation through the large standing body of liquid. The advantage of the present type of large bubble generator, is that the generator can be placed at a position beneath the surface of the standing body of liquid a distance limited only by the rapidity at which a large bubble can be generated, as it is desirable that in steady state operation, a large bubble enter the stackpipe before the preceding large bubble has exited from the top.
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Atara Corporation
Chiesa Richard L.
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