Scraper device

D - Textiles – Paper – 21 – C

Patent

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Details

D21C 7/08 (2006.01) B01D 21/18 (2006.01) D21C 3/24 (2006.01)

Patent

CA 2158957

A scraper device is provided herein. Such scraper device is preferably a bottom scraper arranged at the bottom of a continuous digester for pulp production. The scraper comprises at least one scraper arm, preferably arranged with shovel members, a shaft and a drive device for driving the scraper arm. An axially-extending bore is provided inside the shaft for supplying liquid. A sealing arrangement is provided for sealing between the atmosphere and the medium in which the scraper arm is intended to rotate. The bore extends along only a limited part of the shaft at that end of the shaft on which the scraper arm is arranged.

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