B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
B01F 3/04 (2006.01)
Patent
CA 2646848
An apparatus for mixing gas and liquid is disclosed. The apparatus may have a plurality of blades rotated about a common shaft. The blades may have a forward portion, which cuts through a liquid, and a trailing portion, which forms the leading part of a gas cavity. The gas cavity is in communication with a gas inlet and the bulk fluid. As the blades pass through a liquid, a reduced pressure zone is formed immediately behind the blade. The reduced pressure zone allows air to be aspirated from the gas inlet into the gas cavity adjacent to the blade. Gas in the gas cavity is sheared into discrete bubbles and transferred to the liquid by the action of the trailing blade wake currents.
L'invention concerne un appareil de mélange de gaz et de liquide. L'appareil peut comporter une pluralité de lames en rotation autour d'un arbre commun. Les lames peuvent avoir une partie avant, coupant dans un liquide, et une partie de fuite, constituant la partie d'attaque d'une cavité de gaz. La cavité de gaz est en communication avec une admission de gaz et le fluide de base. Tandis que les lames traversent un liquide, une zone de pression réduite est formée juste derrière la lame. La zone de pression réduite permet d'aspirer l'air depuis l'admission de gaz dans la cavité de gaz adjacente à la lame. Le gaz dans la cavité de gaz est cisaillé en bulles discrètes et transféré vers le liquide sous l'effet des courants des sillons de la lame de fuite.
Hills Blair H.
Smart & Biggar
LandOfFree
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