Immersion freezer with bottom chamber series of cascading...

Details Immersion freezer with bottom chamber series of cascading... Immersion freezer with bottom chamber series of cascading...

F - Mech Eng,Light,Heat,Weapons

25

D

F25D 13/06 (2006.01) A23L 3/36 (2006.01) A23L 3/375 (2006.01) F25D 3/11 (2006.01)

Patent

CA 2198538

The present invention is an immersion freezer which employs a postcooling chamber. The immersion section of the freezer initially immerses all or part of the items to be frozen (typically food items) in a bath of a liquid refrigerant to impart a crust freeze on the items, which locks in moisture and prevents clumping. The postcooling chamber, located underneath the immersion section, then uses the vaporized refrigerant from the immersion section to complete the freezing process while also maximizing efficiency. The postcooling chamber also imparts agitation to the items (which further prevents clumping) through the use of a series of cascading conveyor belts.

La présente invention se rapporte à un congélateur par immersion doté d'un compartiment de post-refroidissement. Dans la section d'immersion du congélateur, l'ensemble ou une partie des produits à être congelés (habituellement des aliments) sont initialement immergés dans un bain contenant un frigorigène, afin d'obtenir une congélation superficielle des produits pour retenir l'humidité et prévenir la prise en pain. Le compartiment de post-refroidissement, situé sous la section d'immersion, utilise alors le frigorigène vaporisé de la section d'immersion pour compléter le processus de congélation tout en maximisant son efficacité. Dans le compartiment de post-refroidissement, les produits sont de plus agités (ce qui prévient davantage la prise en pain), au moyen d'une série de courroies transporteuses en cascade.

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