Reducing drum for the extraction of cellulosic matters

Details Reducing drum for the extraction of cellulosic matters Reducing drum for the extraction of cellulosic matters

B - Operations, Transporting

02

C

241/122

B02C 18/14 (2006.01) B02C 17/00 (2006.01) B03B 9/06 (2006.01) B07B 1/24 (2006.01)

Patent

CA 1110214

ABSTRACT OF THE DISCLOSURE Disclosed is a device for extraction of cellulosic or similar materials mixed with a large quantity of different mate- rials called contaminants such as rags, plastic materials, light metals, wood or others. It comprises the following means, taken in combination: a drum of general cylindrical shape, with its axis horizontal or substantially inclined in relation to the horizontal, driven so as to rotate slowly in a certain direction; a rotor inside the drum, with its axis parallel or in coincidence with the axis of the latter, driven in fast rotation in a direc- tion which is the reverse of said certain rotation of said drum, and provided on its peripheral surface on part at least of its length, with shredding teeth; a feed hopper placed at one end of the drum; and a fixed barrier forming a chute for the contaminants placed at the other end of the drum.

282265

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