Apparatus and method for mechanical deaeration

Details Apparatus and method for mechanical deaeration Apparatus and method for mechanical deaeration

B - Operations, Transporting

01

D

B01D 19/00 (2006.01) C02F 1/20 (2006.01) C02F 9/02 (2006.01) C02F 11/04 (2006.01)

Patent

CA 2724171

The invention provides an apparatus (1) for deaerating a feed liquid (3) comprising a liquid suspension or pulp, the apparatus comprising a feed conduit (2) to convey the feed liquid (3) into a separator (4), the separator (4) comprising a mechanical agitator (5) for inducing a rotational flow of the feed liquid in a separation chamber (6), such that the rotational flow generates a centrifugal vortex (15) to separate the feed liquid into a first component (7) consisting essentially of froth or gas and a second component (8) consisting essentially of deaerated liquid or sludge, the separator (4) further comprising a device (17) for controlling the location of the vortex (15) in the separation chamber (6). The invention also provides a method for deaerating a feed liquid (3) comprising a liquid suspension or pulp.

La présente invention concerne un appareil (1) de désaération dun liquide dalimentation (3) comprenant une suspension liquide ou une pulpe, lappareil comprenant un conduit dalimentation (2) pour acheminer le liquide dalimentation (3) dans un séparateur (4), le séparateur (4) comprenant un agitateur mécanique (5) destiné à induire un flux rotationnel du liquide dalimentation dans une chambre de séparation (6), de manière à ce que le flux rotationnel génère un vortex centrifuge (15) pour séparer le liquide dalimentation en un premier composant (7) constitué essentiellement de mousse ou de gaz et un deuxième composant (8) constitué essentiellement de boue ou de liquide désaéré, le séparateur (4) comprenant en outre un dispositif (17) de contrôle de lemplacement du vortex (15) dans la chambre de séparation (6). La présente invention concerne en outre un procédé de désaération dun liquide dalimentation (3) comprenant une suspension liquide ou une pulpe.

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