Method and apparatus for pressure processing a pumpable...

A - Human Necessities – 23 – L

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A23L 3/015 (2006.01) A61L 2/02 (2006.01) B01J 3/03 (2006.01)

Patent

CA 2370711

An apparatus and method for pressure processing a pumpable substance, such as a pumpable food product. In one embodiment, the apparatus includes a plurality of coupled pressure vessels (15), each having an inlet port to receive the pumpable substance, an outlet port to remove the pumpable substance, an isolator (80) to pressurize the pumpable substance and a high-pressure port for receiving pressurizing fluid to bias the isolator toward the pumpable substance. The apparatus can further include blocking valves to limit the travel of materials that may leak through the inlet and outlet valves, a heat exchanger (92a) to heat and/or cool the pumpable substance, and/or a gas controller (140a) to add gas to the pumpable substance or remove gas from the pumpable substance. Cleaning, rinsing, and/or sanitizing fluid can be pumped through the entire system, including through the isolator to cleanse and/or sanitize.

L'invention concerne un dispositif et un procédé de traitement par compression d'une substance pompable, tel qu'un produit alimentaire pompable. Dans un mode de réalisation, le dispositif comprend plusieurs récipients sous pression couplés, ayant chacun un orifice d'entrée destiné à recevoir la substance pompable, un orifice de sortie destiné à éliminer ladite substance, un isolateur servant à mettre sous pression la substance pompable et un orifice de haute pression destiné à recevoir le liquide sous pression en vue de pousser l'isolateur vers la substance pompable. Le dispositif peut également comporter des soupapes d'interdiction limitant le déplacement de substances pouvant donner lieu à des fuites au niveau des soupapes d'entrée et de sortie, un échangeur thermique servant à chauffer et/ou à refroidir la substance pompable, et/ou un régulateur de gaz servant à ajouter du gaz à la substance pompable ou à en retirer. Des liquides de nettoyage, de rinçage et/ou de désinfection peuvent être pompés dans tout le système, y compris à travers l'isolateur, en vue du nettoyage et/ou de la désinfection de ce dernier.

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