D - Textiles – Paper – 21 – D
Patent
D - Textiles, Paper
21
D
92/34
D21D 5/00 (2006.01) B01D 33/00 (2006.01) B01D 33/04 (2006.01) D21C 9/18 (2006.01) D21D 1/00 (2006.01) D21F 1/80 (2006.01)
Patent
CA 1304248
BKS 159 P2 Abstract of the Disclosure Apparatus for thickening a suspension of pulp material, such particularly as paper making pulp in water, employs a single pair of rolls and a single loop of wire trained around both rolls which are spaced from each other on substantially parallel axes to provide two runs of the wire therebetween. The pulp stock to be thickened is delivered into the wedge zone defined by the wire run approaching one roll and the surface of that roll, so that the pulp is trapped between the wire and roll as it travels around the roll with the wire, and the rolls are driven at sufficient speed to develop centrifugal forces which cause liquid to be expressed through the wire from the pulp trapped against the roll. The resulting partially dewatered pulp is redeposited from the first roll onto the other wire run for travel to the other roll, where it is similarly subjected to centrifugal force for further expression of liquid through the wire, after which the pulp is removed from the surface of the second roll in the wedge zone defined by the surface of that roll and the wire run traveling therefrom to the first roll.
541109
Kinne Michael F.
Markham Larry D.
Seifert Peter
Gowling Lafleur Henderson Llp
Thermo Black Clawson Inc.
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