Apparatus and methods for cryogenic treatment of materials

Details Apparatus and methods for cryogenic treatment of materials Apparatus and methods for cryogenic treatment of materials

1994-06-28

1996-05-28

Kilner, Christopher

Refrigeration

Processes

Treating an article

62 65, 62266, 62268, 62374, 62380, F25D 311, F25D 1306, F25D 2500

Patent

active

055200044

ABSTRACT:
The invention includes a tunnel-conveyor section designed to process large-scale quantities of such materials as automobile tires for frangiation and embrittlement to low- or cryogenic-temperature levels for separation of fibrous and metal portions and subsequent granulation into fine-mesh particles. The system is also designed to subject food products to low- or cryogenic-temperature levels prior to for long-term storage and shipping as well. The system can also be used for freeze drying at very low temperatures (-380.degree. F. and lower) when nonconveyor procedures are used. The unit can be adapted as a horizontal-cylinder as well as a spiral or circular system for large-scale conveyor operations. Smaller systems can also be fabricated for laboratory or smaller-scale procedures.

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