FIELD: food-processing industry. SUBSTANCE: apparatus has vertical heat-insulated cylindrical housing with charging and discharge units and lock chamber disposed in housing. Peripheral refrigerant supply collector and axial refrigerant discharge collector are positioned above lock chamber. Collectors are communicated via cooling pipes which define helical surface. Food product feeding rollers are positioned adjacent to cooling pipes. Apparatus is further provided with radiation heat emitters, axial vacuum collector and granulated carbon dioxide doser connected with charging unit. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 5 dwg
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