Gas and liquid contact apparatus – With liquid separations – On inlet
Patent
1974-05-01
1976-04-06
Gilreath, Stanley N.
Gas and liquid contact apparatus
With liquid separations
On inlet
259 8, 261 87, B01F 516, B01F 720, B01F 1502
Patent
active
039484920
ABSTRACT:
An improved apparatus and method for mixing a second material into a first fluid material includes a container for the first fluid material, a motor driven centrifugal impeller, and a conduit having an outlet coaxial with and adjacent to the centrifugal impeller for feeding the second material into the center of the impeller. The impeller is located in the container of fluid material, and the improved apparatus includes means for directing a portion of the fluid from the container inward for mixing with the second material as it enters the center of the impeller and means for directing at least a portion of the mixture flowing from the impeller outward for dispersion in the fluid in the container. The apparatus preferably also includes means for recirculating a portion of the mixture from the impeller directly back for mixing with and imparting momentum to the first and second materials as they enter into the center of the impeller. An alternate embodiment of the apparatus includes a venturi section coaxially surrounding the conduit for feeding the second material into the center of the impeller and means for recirculating at least a portion of the mixture flowing from the impeller back to the inlet of the venturi section to augment the pressure at the impeller inlet.
REFERENCES:
patent: 3233876 (1966-02-01), Faure
patent: 3393802 (1968-07-01), Logue
patent: 3820759 (1964-06-01), Hege
Cantor Alan
Gilreath Stanley N.
Hege Advanced Systems Corporation
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