Process and device for pellet-freezing poorable and flowable mat

Details Process and device for pellet-freezing poorable and flowable mat Process and device for pellet-freezing poorable and flowable mat

1994-08-26

1997-12-09

Capossel, Ronald C.

Refrigeration

Processes

Treating an article

62 78, 62373, F25D 1702

Patent

active

056947771

ABSTRACT:
The invention relates to a process and to a device for pellet-freezing pourable and flowable materials in a low-boiling liquefied gas (11) which is located in the interior of an insulated housing (1) having an aperture for introducing the material to be frozen. To generate a cascade-like flow (12), in which small drops can be frozen individually, coupled with a small surface area requirement of the immersion bath, there is, according to the invention, in the interior of the housing (1), a reaction tube (2) with an agitator (3) which is arranged at the lower end, the charging device (13) for the material to be frozen being arranged above the aperture (18) thereof.

REFERENCES:
patent: 2448802 (1948-09-01), Holzcker
patent: 3228838 (1966-01-01), Rinfret et al.
patent: 4704873 (1987-11-01), Imaike et al.
patent: 4761962 (1988-08-01), Andersson
patent: 4848094 (1989-07-01), Davis et al.
patent: 5165256 (1992-11-01), Yamada
patent: 5222367 (1993-06-01), Yamada

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