B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 61/20 (2006.01) B01D 61/18 (2006.01) B01D 65/02 (2006.01) C02F 3/12 (2006.01) C02F 3/20 (2006.01)
Patent
CA 2650694
The invention concerns an aerating device for a water filtering system with immersed membranes (9) designed to be installed substantially beneath said membranes (9). The invention is characterized in that it comprises a floor (1) separating an upper chamber wherein said membranes are immersed and a lower chamber comprising means for feeding a liquid to be treated and means for feeding an aerating gas, said floor being provided with plural strainers (2) and with at least one system (5) for balancing pressures between said upper and lower chambers, and in that each strainer (2) includes a substantially tubular element (13) passing through said floor and having in its upper part at least one orifice (4), and an air chamber forming element (3) mounted atop said upper part.
L'invention a pour objet un dispositif d'aération pour système de filtration d'eau à membranes immergées (9) destiné à être installé essentiellement sous lesdites membranes (9) caractérisé en ce qu'il comprend un plancher (1) séparant une chambre haute dans laquelle lesdites membranes sont immergées et une chambre basse comprenant des moyens d'amenée d'un liquide à traiter et des moyens d'amenée d'un gaz d'aération, ledit plancher étant pourvu d'une pluralité de crépines (2) et d'au moins un système d'équilibrage des pressions (5) entre lesdites chambres haute et basse, et en ce que chaque crépine (2) comprend un élément essentiellement tubulaire (13) traversant ledit plancher et présentant dans sa partie supérieure au moins un orifice (4), et un élément formant cloche (3) coiffant ladite partie supérieure.
Brois Etienne
Busnot Aurelien
Otv Sa
Oyen Wiggs Green & Mutala Llp
LandOfFree
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