Method for conveying, mixing, and leveling dewatered pulp...

Details Method for conveying, mixing, and leveling dewatered pulp... Method for conveying, mixing, and leveling dewatered pulp...

2008-07-08

2008-07-08

Halpern, Mark (Department: 1791)

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Charging and/or discharging fibrous material

C162S055000, C162S056000, C162S028000, C162S009000, C428S402000, C428S532000, C428S535000, C428S536000

Reexamination Certificate

active

07396435

ABSTRACT:
Methods for conveying, mixing, leveling, and flaking dewatered pulp to produce pulp flakes suitable to be used in a dryer. Methods for producing a consistent flow rate of pulp, and, for producing uniform pulp flakes in terms of pulp flake size and pulp flake moisture content. A method includes introducing a dewatered pulp to a rotating shaftless screw conveyor. The pulp is deposited from the screw conveyor onto a moving belt conveyor through a chute. The pulp is leveled with a rotary doctor located above the belt conveyor to produce a substantially even rate of mass flow of pulp along a length of belt conveyor. Uniform and consistent quantities of pulp per unit time can then be fed from the belt conveyor to a pulp flaker that then translates into an even rate of pulp mass flow to the dryer.

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