Fluidized bed air cooling system

Details Fluidized bed air cooling system Fluidized bed air cooling system

1992-03-11

1993-06-29

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

62 57, 62384, F25J 100

Patent

active

052223639

ABSTRACT:
A method and apparatus for effecting the cooling of a stream of air or gas by sublimation of dry ice particles utilizes an upwardly directed, variable velocity stream of air to maintain a supply of dry ice particles provided on a moving perforated conveyor in a fluidized bed condition to maximize the rate of sublimation of the dry ice particles. The cooled air may then be employed to effect the rapid and efficient freezing of a plurality of food articles passing through the same insulated chamber as the dry ice particle conveyor is located, or an adjacent insulated chamber.

REFERENCES:
patent: 2608838 (1952-09-01), Rupp
patent: 2665850 (1954-01-01), Wiczer
Advertisement by Liquid Carbonic Corporation entitled "Cryo-Shield Liquid Carbonic Food Freezing Systems CO.sub.2 ".
Advertisement by Tomco Systems.sup.2 entitled "Finally, a stainless steel, modular hydraulic expandable CO.sub.2 Freezer Tunnel".

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