Reverse osmosis sea water desalination system

Details Reverse osmosis sea water desalination system Reverse osmosis sea water desalination system

B - Operations, Transporting

01

D

B01D 61/08 (2006.01) B01D 61/10 (2006.01) C02F 1/44 (2006.01)

Patent

CA 2539699

Reverse osmosis sea water desalination system, which comprises a reverse osmosis membrane, a boost pump and a feed device for distributing the water supplied by the pump and using the pressure of the water rejected by the membrane, wherein the feed device (2) comprises two hydraulic cylinders (7) and (8), each consisting of two jacketed cylinders (71, 72) and (81, 82), respectively that face one another and are each fastened to intermediate bodies (73) and (83) respectively, with two separate chambers (74, 75) and (84, 85), the pistons (76, 77) and (86, 87) of which are connected by common rods (78) and (88) respectively, a central interconnection body (9) that is fastened to the intermediate bodies (73, 83), which have a number of internal pipes that enter the chambers (74, 75, 84, 85) and enter pipes that (12) communicate with the front (7a, 7b, 8a, 8b) and rear (7c, 7d, 8c, 8c) cavities and a number of sliding pieces (10) and (11) that are housed in the chambers (74, 75, 84, 85) and can move between two end positions.

L'invention concerne un système de dessalement d'eau de mer par osmose inverse, comprenant une membrane d'osmose inverse, une pompe à impulsion et un dispositif d'alimentation pour la distribution de l'eau fournie par la pompe et l'utilisation de la pression de l'eau rejetée par la membrane. Le dispositif (2) d'alimentation comprend deux cylindres hydrauliques (7, 8) formés chacun respectivement de deux cylindres chemisés (71, 72 et 81, 82), opposés les uns aux autres et fixés respectivement à des corps intermédiaires, pourvus de deux chambres indépendantes (74, 75 et 84, 85) dont les pistons (76, 77 et 86, 87) sont respectivement reliés par des tiges communes (78 et 88), un corps central (9) d'interconnexion fixé aux corps intermédiaires (73, 83), présentant des conduits internes d'accès aux chambres (74, 75, 84, 85) et à des conduits (12) de communication avec les cavités antérieures (7a, 7b, 8a, 8b) et postérieures (7c, 7d, 8c, 8c), et des pièces coulissantes (10 et 11) logées dans les chambres (74, 75, 84, 85) et pouvant se déplacer entre deux positions d'extrémité.

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