F - Mech Eng,Light,Heat,Weapons – 28 – B
Patent
F - Mech Eng,Light,Heat,Weapons
28
B
F28B 1/02 (2006.01) F28D 9/00 (2006.01)
Patent
CA 2609981
The invention relates to a condenser-type heat exchanger (1) comprising a set of welded plates which define interpenetrating fluid circuits therebetween. According to the invention, the exchanger is characterised in that it comprises: at least two welded plate modules (52, 53) which are each equipped with an independent refrigerant circuit (CF1, CF2), whereby fluid CF2 is preferably colder than fluid CF1; and a connecting chamber (66) which connects two modules in series to the circuit of the fluid to be condensed, such that the circulation direction (VD, VA) of the fluid to be condensed is reversed at the passage from one module (52) to the next (53).
L'invention concerne un échangeur thermique (1), du type condenseur, comportant un ensemble de plaques soudées, définissant entre elles des circuits de fluide s'interpénétrant. Selon l'invention, cet échangeur est remarquable en ce qu'il comporte au moins deux modules (52,53) de plaques soudées, chaque module présentant un circuit de fluide réfrigérant indépendant (CF1, CF2), le fluide (CF2) étant préférentiellement plus froid que le fluide (CF1), et une chambre de liaison (66) reliant en série deux modules sur le circuit de fluide à condenser, de sorte que le sens de circulation (VD, VA) du fluide à condenser est inversé au passage d'un module (52) au module suivant (53).
Concolato Jean-Pierre
Lavanchy Michel
Roussel Claude
Alfa Laval Vicarb
Brouillette & Associes/partners
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