D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
D21F 5/18 (2006.01) B01D 46/10 (2006.01) D21C 9/18 (2006.01)
Patent
CA 2568840
The invention relates to a device (34) and a method for cleaning of a filter net (28) of a pulp dryer's (10) fan tower (12, 12'), a pulp dryer's fan tower and a pulp dryer. The device (34) according to the invention comprises: one or more nozzles (51-53); one or more connections (54-56, 58) for leading of underpressure to the nozzle; nozzle guiding means (44) which are arranged in connection with the filter net (28) at least mainly in an immobile manner and into which the nozzle is fixed in a mobile manner, and; power means (44, 66, 72) for moving the nozzle in relation to the guiding means.
L~invention concerne un dispositif (34) et un procédé de nettoyage d~un filet de filtration (28) de la tour de ventilation (12, 12') d~un sécheur de pâte (10), une tour de ventilation d~un sécheur de pâte et un sécheur de pâte. Le dispositif (34) selon l~invention comporte : une ou plusieurs buses (51-53) ; un ou plusieurs raccords (54-56, 58) pour acheminer une sous-pression jusqu~à la buse ; un moyen de guidage de buse (44) raccordé au filet de filtration (28) principalement au moins de manière immobile et auquel la buse est fixée de manière mobile, et des moyens moteurs (44, 66, 72) pour déplacer la buse vis-à-vis du moyen de guidage.
Lindholm Johan
Rajanummi Kimmo
Gowling Lafleur Henderson Llp
Metso Paper Inc.
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