Refrigeration – Processes – Accumulating holdover ice in situ
Patent
1991-01-08
1992-03-03
Capossela, Ronald C.
Refrigeration
Processes
Accumulating holdover ice in situ
62121, 62307, 62384, 62388, 62434, F25D 300
Patent
active
050921339
ABSTRACT:
A vented cold tank is provided and partially filled with a eutectic solution. CO.sub.2 snow forming structure is provided within the interior of the tank above the level of eutectic solution therein and liquid CO.sub.2 injection structure is provided in an lower portion of tank below the level of eutectic solution and arranged to create circulation of the eutectic solution within the tank including generally opposite upper and lower horizontal components of movement and generally opposite vertical components of movement of the solution within the tank. The CO.sub.2 injection structure also is operative to educt a portion of the circulating solution from a lower portion of the interior of the tank adjacent the bottom thereof, mix CO.sub.2 snow with the educted portion of solution, and downwardly direct the mixed CO.sub.2 snow and educted portion of solution on to an area of the surface of the solution within the tank substantially at the beginning of the upper horizontal component of eutectic solution circulation within the tank.
REFERENCES:
patent: 3670522 (1972-06-01), Breslin
patent: 4502293 (1985-03-01), Franklin, Jr.
patent: 4766732 (1988-08-01), Rubin
patent: 4848095 (1989-07-01), Franklin
patent: 4924935 (1990-05-01), Van Winkel
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