Method and apparatus for surface freezing

Details Method and apparatus for surface freezing Method and apparatus for surface freezing

F - Mech Eng,Light,Heat,Weapons

25

D

F25D 13/06 (2006.01) A23L 3/36 (2006.01) A23L 3/375 (2006.01) F25D 25/04 (2006.01)

Patent

CA 2288909

In a method of freezing a surface layer of a food product (6), this is placed on a non-foraminous conveyor belt (7). Cold air in the form of jets is blown towards the underside of the non-foraminous conveyor belt. An apparatus for carrying out the method comprises, in addition to the non-foraminous conveyor belt (7), a plurality of stationary nozzles (14) for producing jets towards the underside of the non-foraminous conveyor belt in an area which extends over the width of the non-foraminous conveyor belt.

L'invention concerne un procédé de congélation d'une couche superficielle d'une denrée alimentaire (6). Selon ce procédé, la denrée alimentaire est placée sur une courroie transporteuse (7) non-foraminée. De l'air froid est soufflé sous forme de jets sur la face inférieure de la courroie transporteuse non-foraminée. L'appareil permettant d'appliquer ce procédé comprend non seulement la courroie transporteuse (7) non-foraminée mais aussi plusieurs buses stationnaires (14) servant à produire des jets en direction de la face inférieure de la courroie transporteuse non-foraminée dans une zone qui s'étend sur toute la largeur de la courroie transporteuse non-foraminée.

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