B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 33/21 (2006.01) B01D 33/48 (2006.01) B01D 37/02 (2006.01)
Patent
CA 2167088
The present invention relates to a method and apparatus for thickening lime mud with a disc filter. The invention also relates to a method of cleaning the filter sectors (12) of a disc filter. The method and apparatus according to the invention are especially well suitable for continuously renewing the precoat layer on the filter surfaces of the disc filter and/or washing the wire surfaces by means of washing nozzles (34).
Ce procédé et ce dispositif, qui sont destinés à épaissir les boues résiduaires de chaux, permettent également de nettoyer les secteurs de filtre (12) d'un filtre à disques. Ce procédé et ce dispositif conviennent tout particulièrement au renouvellement en continu de la précouche des surfaces filtrantes d'un filtre à disques et/ou au lavage à l'aide de buses (34) des surfaces de toiles métalliques.
Ruokolainen Pekka
Titoff Juha
Andritz-Ahlstrom Oy
Gowling Lafleur Henderson Llp
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