Patent ID: 9598818
Date: 2017-03-21
CPC Classifications: D21C,D21D,D21F

Claim:
1. Apparatus for washing and/or dewatering cellulose pulp comprising a first movable permeable surface traveling in a first direction, a pulp transportation chamber wall adjacent to said first movable permeable surface, sized to provide a pulp transportation chamber having a chamber gap between said pulp transportation chamber wall and said first movable permeable surface, a pulp distribution member comprising an inlet and an outlet arranged for distributing said pulp through said outlet onto said movable permeable surface, a moveable throttle adjacent to said outlet of said pulp distribution member in said first direction, said moveable throttle having a throttle gap width, a portion of said first movable permeable surface adjacent to said outlet of said pulp distribution member comprising a second permeable surface for initially dewatering said pulp moving in said first direction before said moveable throttle, said second permeable surface being sufficiently large so as to begin forming and dewatering said pulp before said moveable throttle, and an adjustable throttle member for remotely adjusting said throttle gap width, said throttle gap width being adapted whereby said pulp volume flow into said pulp distribution member is equal to or greater than said pulp volume flow out of said pulp distribution member during operation.