Refrigeration – Article moving means – Continuous longitudinal-type conveyor
Patent
1995-06-05
1996-05-28
Kilner, Christopher B.
Refrigeration
Article moving means
Continuous longitudinal-type conveyor
62378, 62 63, F25D 2500
Patent
active
055200133
ABSTRACT:
A food freezing conveyor system includes a conveying apparatus consisting of multiple tiers of conveyors, a lower horizontal conveying mechanism, a lifting conveying mechanism, an upper horizontal conveying mechanism and a dropping conveying mechanism. Food products to be frozen are transported along an inverted-U shaped path within a freezing chamber. The lifting conveying mechanism and the dropping conveying mechanism are respectively provided with multiple tiers of choke plates on both sides. Each tier of choke plates and each tier of conveyors jointly define a plurality of inter-connected airflow passages, dividing a freezing operation zone and a manhole maintenance space. Two sets of evaporators and fan devices disposed diagonally on opposite sides of the freezing chamber generate a freezing air flow of a suitable temperature, which is induced into the airflow passages to flow past an upper freezing zone and a lower freezing zone to complete a circulation cycle, in which the freezing air speed in the upper freezing zone is greater than that in the lower freezing zone.
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Industrial Technology Research Institute
Kilner Christopher B.
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