A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 2/18 (2006.01) A61L 2/22 (2006.01) B65B 55/10 (2006.01)
Patent
CA 2312804
The continuous process for hyperactivation of fluids for sterilization uses a sterilizing fluid which is mixed with a gas that is inert with respect to the fluid. A sterilizing mixture is obtained which is subsequently evaporated by means of introduction into an evaporation tube in a condition of annular motion, where a liquid phase of the mixture flows against the heated walls of the evaporator at a slower speed than the gaseous phase thereof, which flows in the central zone of the evaporator, internally of the liquid phase. A gaseous vapour/inert gas mixture is thus obtained, which is subjected to a waiting period during which the mixture flows through a transit device which transfers it to a sterilization chamber, a temperature of which is lower than a dewpoint temperature of the gaseous mixture, where a product is sterilized.
Le procédé continu d'hyperactivation de fluides de stérilisation utilise un fluide stérilisant que l'on mélange à un gaz inerte par rapport au fluide. Un mélange stérilisant est obtenu, lequel est ensuite évaporé par introduction dans un tube d'évaporation dans un état de mouvement annulaire, où une phase liquide du mélange s'écoule contre les parois chauffées de l'évaporateur à une vitesse plus lente que celle de sa phase aqueuse, laquelle s'écoule dans la zone centrale de l'évaporateur, à l'intérieur de la phase liquide. On obtient ainsi un mélange de vapeur gazeuse/gaz inerte que l'on soumet à une période d'attente pendant laquelle le mélange s'écoule dans un dispositif de transit lequel le transfère à une chambre de stérilisation, dont la température est inférieure à une température de point de rosée du mélange gazeux, dans laquelle un produit est stérilisé.
Catelli Camillo
Musatti Marco
Ridout & Maybee Llp
Tetra Laval Holdings & Finance S.a.
Tetra Pak Plastics Limited
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