B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 35/16 (2006.01) B01D 29/01 (2006.01) B01D 29/11 (2006.01) B01D 29/68 (2006.01) B01D 29/96 (2006.01)
Patent
CA 2273209
A filter system (10) comprising a filter medium (11) for filtering contaminants from a process fluid, having a filtration side on which contaminants collect and a filtrate side from which filtrate flows; a counter- flow generator (20) located on the filtrate side that directs a localised stream of counter-flow fluid (23) from the filtrate side to the filtration side of the filter medium (11) to thereby dislodge the contaminants from the filtration side of the filter medium (11), wherein the localised stream (23) traverses a substantial proportion of the filter medium (11). The filter system (10) optionally further comprises a clearing-flow generator (30) or like means located on the filtration side of the filter medium (11) which clears contaminants from the filter medium (11).
Ce système filtrant (10), qui comporte un milieu filtrant (11), destiné au filtrage de contaminants d'un fluide de traitement, pourvu d'un coté de filtration sur lequel sont recueillis les contaminants et d'un coté à filtrat à partir duquel s'écoule le filtrat, comporte également un générateur de contre-flux (20) placé sur le coté à filtrat et dirigeant un courant localisé de fluide de contre-flux (23) du coté à filtrat vers le coté de filtration du milieu filtrant (11) afin de détacher les contaminants du coté de filtration. Ce courant localisé (23) traverse une grande partie du milieu filtrant (11). Le système filtrant (10) peut, en outre, comporter éventuellement un générateur de flux de clarification (30) ou analogue, placé sur le coté de filtration du milieu filtrant (11) et débarrassant ce milieu filtrant (11) des contaminants.
Baleen Filters Pty Limited
Fetherstonhaugh & Co.
University Of South Australia
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