FREEZING TUNNEL COLD-GAS EXTRACTION HOODS WITH VARIABLE-OPENING EXTRACTORS

An installation for cryogenic cooling or freezing of products includes: a cryogenic tunnel through which products that are to be cooled or frozen circulate, between an entrance into the tunnel and an exit from the tunnel on a conveyor belt; an upstream extraction hood situated facing the entrance to...

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Bibliographische Detailangaben
Hauptverfasser:	MAYOUFI OUERGHEMMI, Nadia, GERARD, Aurelia, ALATERRE, Vincent, PATHIER, Didier
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COLD ROOMS COMBINED HEATING AND REFRIGERATION SYSTEMS COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS HEAT PUMP SYSTEMS HEATING ICE-BOXES LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION OR COOLING REFRIGERATORS WEAPONS
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Beschreibung
Zusammenfassung:	An installation for cryogenic cooling or freezing of products includes: a cryogenic tunnel through which products that are to be cooled or frozen circulate, between an entrance into the tunnel and an exit from the tunnel on a conveyor belt; an upstream extraction hood situated facing the entrance to the tunnel and/or a downstream extraction hood situated facing the exit from the tunnel; and movable blinds or shutters that make it possible to close all or part of a suction cross section of at least one of the said hoods over a width and depth of the conveyor belt.