Apparatus and method for producing frozen particles of a liquid
AssigneeE. I. Du Pont de Nemours and Company
InventorsAbdel A. Fawzy, Alferd J. Forestell
Life of this patent
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Abstract
This invention relates to an apparatus and process for producing frozen particles of a liquid product having a liquid product nozzle for introducing liquid product droplets to be frozen and a plurality of cryogenic nozzles for introducing a cryogenic liquid directed away from the liquid product droplets.
Claims27
An apparatus for utilizing a cryogenic liquid for producing frozen particles of a liquid product which comprises:
- (a) a housing;
- (b) a liquid product nozzle for introducing droplets of the liquid product into the housing;
- and
- (c) a plurality of cryogenic liquid nozzles for introducing the cryogenic liquid into the housing, said cryogenic nozzles directing the cryogenic liquid away from the liquid product droplets,
- whereby the cryogenic liquid introduced into the housing forms cryogenic liquid droplets and gaseous cryogen thereby freezing the liquid product droplets to produce frozen particles.
An apparatus for producing frozen particles of a liquid product which comprises:
- (a) a housing with a vertically disposed upper cylinder having an upper diameter and a vertically disposed lower cylinder having a lower diameter larger than the upper diameter, the upper and lower cylinders connected by a truncated conical section;
- (b) a liquid product nozzle for introducing droplets of the liquid product into the housing in a downward direction;
- and
- (c) a plurality of cryogenic liquid nozzles disposed in the housing about the liquid nozzle for introducing a cryogenic liquid into the housing, the nozzles being positioned to direct the cryogenic liquid radially away from the liquid product droplets, the cryogenic liquid impinging on the housing,
- whereby the cryogenic liquid introduced into the housing forms cryogenic liquid droplets and gaseous cryogen thereby freezing the liquid product droplets to produce frozen particles.
A process for utilizing a cryogenic liquid for producing frozen particles of a liquid product in a housing which comprises the steps of:
- (a) introducing droplets of the liquid product into the housing;
- and
- (b) introducing the cryogenic liquid into the housing and directing the cryogenic liquid away from the liquid product droplets;
- whereby the cryogenic liquid introduced into the housing forms cryogenic liquid droplets and gaseous cryogen thereby freezing the liquid product droplets to produce frozen particles.
Dependencies are inferred from the claim text.