Pressurized water flotation apparatus

C - Chemistry – Metallurgy – 02 – F

Patent

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Details

C02F 1/24 (2006.01) B03D 1/14 (2006.01) B03D 1/24 (2006.01)

Patent

CA 2212231

The present invention relates to an apparatus based on a pressurized water flotation method (DAF), in which dispersion water and the water to be treated, e.g. flocculated water, are supplied to a reaction space (1), in which they encounter and react with each other. The inlet conduit (8) for the water to be treated is constructed in connection with a reaction space (1) in such a way that the distance of the orifice (11) of the inlet conduit (8) from the bottom (2) of the orifice (11) can be controlled by moving the inlet conduit (8) in the direction b of the mid-axis (13) of the reaction space, whereby the encountering location and manner (turbulent, gentle) of the dispersion water and the water to be treated, e.g. flocculated water, inside the reaction space can be adjusted appropriate for the process conditions in question.

La présente invention concerne un appareil de flottation utilisant de l'eau sous pression. Dans cet appareil, de l'eau de dispersion et l'eau à traiter contenant un floc sont amenées à un espace de réaction (1) dans lequel elles se rencontrent et réagissent ensemble. La conduite d'entrée (8) pour l'eau à traiter est réalisée en fonction de l'espace de réaction (1) de manière à ce que la distance des orifices (11) de la conduite d'entrée (8) depuis le fond (2) de l'orifice (11) puisse être modifiée en déplaçant la conduite d'entrée (8) dans la direction b suivant l'axe médian (13) de l'espace de réaction, si bien que l'espace de rencontre et la nature de la rencontre (turbulente, douce) de l'eau de dispersion et de l'eau à traiter contenant un floc, à l'intérieur de l'espace de réaction, peuvent être ajustés d'une manière appropriée aux conditions du procédé.

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