Hydro-cooling air lock

Details Hydro-cooling air lock Hydro-cooling air lock

1982-11-08

1984-03-06

Capossela, Ronald C.

Refrigeration

Processes

Treating an article

62 70, 62239, F25D 1702

Patent

active

044346239

ABSTRACT:
Vegetation is hydro-cooled, and purged of oxygen-containing air while in an enclosed trailer. Although the trailer itself has doors pivoted over an opening at the rear, the hydro-cooling process occurs while the trailer is backed against an alcove. The alcove has an air seal around the opening in the trailer. Chilled water from a refrigeration unit is sprinkled from a sprinkler built into the top of the trailer onto the vegetation. The water, after flowing over the vegetation, runs out the rear of the trailer into a drain, which is located in the floor of the alcove. To remove the oxygen within the trailer to a minimum, a nitrogen cap is maintained over the chilled water reservoirs and heat exchangers of the refrigeration unit so that oxygen from the air will not dissolve into the cooling water. To purge the oxygen from the trailer, while being hydro-cooled, nitrogen is released within the trailer beneath the vegetation. The air seal on the alcove prevents oxygen-containing air from contaminating the trailer during this process.

REFERENCES:
patent: 2303867 (1942-12-01), Stebbins
patent: 2751882 (1956-06-01), Coyner
patent: 3672182 (1972-06-01), Stowasser et al.

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