Flake freezing machine and system using same

Details Flake freezing machine and system using same Flake freezing machine and system using same

F - Mech Eng,Light,Heat,Weapons

25

C

F25C 1/14 (2006.01)

Patent

CA 2231592

Flake freezing machine (100) includes an evaporator (200) having a cast aluminum cylindrical structure (210) with an embedded stainless steel helical tubing assembly (220). Refrigerating fluid is circulated through the tubing assembly (220) to cool the inner surface (211) sufficiently to freeze a liquid. Positioned inside the cylindrical structure (210) is a rotatable shaft (130), which supports a liquid distribution pan (150) having radially extending nozzles (154) for distributing the liquid onto the inner surface (211) of the cylindrical structure (210) so as to freeze it as a frozen sheet and a blade member (170) for removing the frozen sheet in the form of frozen flakes. A flake freezing system (1000) is also provided, which includes the flake freezing machine (100), as well as an accumulator (400), a compressor (500), a condenser (600), and a heat exchanger (800). Operation of the system (1000) is controlled automatically by a controller (900).

Machine (100) de congélation de flocons qui comporte un évaporateur (200) doté d'une structure cylindrique (210) en fonte d'aluminium contenant un ensemble tube hélicoïdal (220) encastré en acier inoxydable. Du fluide de réfrigération circule dans l'ensemble tube (220) de manière à refroidir suffisamment la surface interne (211) pour geler un liquide. A l'intérieur de la structure cylindrique (210) se trouvent un arbre rotatif (130) qui soutient un plateau (150) de distribution de liquide doté de buses (154) à direction radiale destinées à répartir le liquide sur la surface interne (211) de la structure cylindrique (210) de manière à le geler sous forme de film, et une lame (170) destinée à détacher le film gelé sous forme de flocons gelés. La présente invention concerne également un système (1000) de congélation de flocons qui comporte une machine (100) de congélation de flocons, ainsi qu'un accumulateur (400), un compresseur (500), un condenseur (600) et un échangeur de chaleur (800). Le fonctionnement dudit système (1000) est commandé automatiquement par une unité de commande (900).

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