Container for liquid with dispersion device

Details Container for liquid with dispersion device Container for liquid with dispersion device

C - Chemistry, Metallurgy

02

F

C02F 1/24 (2006.01) B01F 3/04 (2006.01) B01F 3/08 (2006.01) B01F 5/02 (2006.01) B01F 13/06 (2006.01) B03D 1/24 (2006.01)

Patent

CA 2211002

The invention relates to means for distributing and dispersing highly pressurized air-saturated water and is preferably intended for use in a flotation tank (1) of a water purification plant, and is therewith placed adjacent the inlet openings (2) through which water to be treated in the flotation tank (1) passes. The distribution and dispersion means includes a pre-disperser (27, 28) which is arranged in a distribution pipe (22) or its supply conduit (24) and which includes a perforated pipe mounted preferably coaxially in the pipe concerned. The air-saturated water passes through the perforations or throttling holes (26) such as to obtain a first pressure decrease and subsequent dispersion. The water than passes to the distribution pipe (22) from which it passes through one or more openings (23) in the wall of the distribution pipe (22) and is pressed out into the flotation tank (1) during a further decrease in pressure and dispersion of the water.

L'invention concerne des moyens de distribution et de dispersion d'eau saturée d'air sous pression élevée, conçus, de préférence, pour être utilisés dans un bassin de décantation (1) d'une station d'épuration d'eau et placés en position contiguë aux ouvertures d'entrée (2) à travers lesquelles passe l'eau à traiter dans le bassin de décantation (1). Ces moyens de distribution et de dispersion comprennent un dispositif de pré-dispersion (27, 28) situé dans un conduit de distribution (22) ou dans son conduit d'alimentation (24) et comportant un tuyau perforé, monté, de préférence, sur le même axe que le conduit en question. L'eau saturée d'air passe à travers les perforations ou trous d'étranglement (26), de manière à présenter une première chute de pression et, par conséquence, une dispersion. L'eau passe ensuite au conduit de distribution (22) à partir duquel elle circule à travers une ou plusieurs ouvertures (23) pratiquées dans la paroi dudit conduit (22) et est éjectée dans le bassin de décantation (1) au cours d'une autre chute de pression et d'une autre dispersion.

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