Cool tank construction for eutectic solution and CO.sub.2 snow

Details Cool tank construction for eutectic solution and CO.sub.2 snow Cool tank construction for eutectic solution and CO.sub.2 snow

1988-05-04

1989-07-18

King, Lloyd L.

Refrigeration

Processes

Gas and liquid contact

62 59, 62307, 62384, 62388, 62434, F28C 100

Patent

active

048480959

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 the eutectic solution therein and liquid CO.sub.2 injection means is provided in a lower portion of the tank below the level of eutectic solution and arranged to create circulation of the eutectic solution within the tank including generally opposite horizontal and generally opposite vertical component of movement of the solution within the tank. Further, structure is provided for communicating the CO.sub.2 snow forming means and the liquid CO.sub.2 injection means with the same source of liquid CO.sub.2 under pressure.

REFERENCES:
patent: 1712701 (1929-05-01), Hassensall
patent: 2759336 (1956-08-01), Seefeldt
patent: 4022119 (1977-05-01), Karr
patent: 4094164 (1978-06-01), Cope
patent: 4404818 (1983-09-01), Franklin, Jr.
patent: 4502293 (1985-03-01), Franklin, Jr.

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