Method of cooling of articles and materials

Details Method of cooling of articles and materials Method of cooling of articles and materials

1976-01-12

1978-02-07

Capossela, Ronald C.

Refrigeration

Processes

Treating an article

62 65, F25D 1306

Patent

active

040720268

ABSTRACT:
A method of chilling articles and materials, especially for the embrittlement thereof prior to comminution, wherein a cooling-gas stream is produced from a deep-cooled liquefied gas and the cooling-gas stream is passed into direct contact with the materials to chill the same. The invention comprises evaporating the liquefied gas to produce a first cold gas stream into indirect heat exchange with an evaporating fluid (of an independent refrigerating cycle) to cool the further gas stream and generate therefrom a second cold gas stream, and mixing the first and second cold gas streams to form a mixture which is brought into direct contact with the materials as part of the cooling thereof.

REFERENCES:
patent: 3427820 (1969-02-01), Hart
patent: 3507128 (1970-04-01), Murphy et al.
patent: 3881322 (1975-05-01), Le Diouron
patent: 3934987 (1976-01-01), Bivins, Jr.
patent: 3952540 (1976-04-01), Okada et al.

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