Gas and liquid contact apparatus – Contact devices – Injector type
Patent
1979-10-01
1981-06-02
Chiesa, Richard L.
Gas and liquid contact apparatus
Contact devices
Injector type
43 57, 138 40, 210169, 210220, 261121M, 261DIG75, B01F 304
Patent
active
042710995
ABSTRACT:
An apparatus with a unique venturi construction and restriction structure, a liquid intake conduit and mixing chamber is provided for mixing virtually any liquid with any gas, and is particularly designed for efficient aeration of water, such as for use with aquariums and home aquaculture systems. The relative placement of different portions of the apparatus and relative sizes of the component parts are found to be a factor in improving efficiency. One embodiment, combining the unique restriction structure with a rough-edged ring inside the apparatus, is designed for excellent operation efficiency at liquid circulation pressures previously thought to be too low for incorporation of an aerating or intermixing device. The need for an additional intermixing pump is thereby eliminated and a high percentage of gas is dissolved in the liquid, compared to other similar use devices. A second embodiment is designed more specifically for use at higher liquid pressures such as for purification of standing bodies of water, for sewage treatment and for commercial "fish farms", providing excellent intermixing at these higher pressures.
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patent: 3113593 (1963-12-01), Vicard
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