Method and apparatus for producing snow at marginal ambient temp

Details Method and apparatus for producing snow at marginal ambient temp Method and apparatus for producing snow at marginal ambient temp

1984-04-19

1985-09-17

Bennett, Henry

Refrigeration

Processes

Fractionally solidifying a constituent and separating the same

62124, 62406, 55 82, F25D 1704, B01D 5326

Patent

active

045412502

ABSTRACT:
A method and apparatus for producing snow at marginal ambient temperatures while at the same time eliminating compressed air line freeze-up and oil contamination. Compressed air is delivered from a compressor to a cooling tower wherein oil particles and condensate are removed from the stream of compressed air. The oil particles and condensate-free compressed air stream is then delivered to a cryogenic unit wherein the air is contacted in heat exchange relationship with a liquefied gas so as to supercool the air stream which is then delivered to snow-making apparatus.

REFERENCES:
patent: 2676471 (1954-04-01), Pierce
patent: 3942330 (1976-03-01), Schroder
patent: 4187325 (1980-02-01), Tyree, Jr.
patent: 4200442 (1980-04-01), Willot
patent: 4467614 (1984-08-01), Tropeano

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