Device for removing water from a fibrous material strip
AssigneeAndritz Inc.
InventorsEdgar Brogyanyi, Karl Hornhofer, Wilhelm Mausser, Franz Petschauer, Johann Sbaschnigg
Life of this patent
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Abstract
A device for dewatering a pulp web having a dewatering section comprising top and bottom wires forming a wedge-shaped dewatering zone which can be adjusted and/or pressure-loaded at the downstream end, and with a pair of press rolls mounted at the end of the bottom wire. The top roll of the pair of press rolls is a shoe press roll.
Claims11
Device for dewatering a pulp web with a dewatering section comprising a top wire and a bottom wire defining longitudinally spaced upstream and downstream ends and a wedge-shaped dewatering zone, a first pair of press rolls mounted at the downstream end of the bottom wire, and means for adjusting the wedge shape of the dewatering zone at the downstream end, the first pair of press rolls defining a first shoe press unit including first top and bottom press rolls, the first top press roll being a first shoe press roll and the first bottom press roll including oppositely disposed face ends, an outer shell defining a plurality of holes, and an inner roll shell defining a plurality of longitudinally extending grooves.
Device for dewatering a pulp web with a dewatering section comprising a top wire and a bottom wire defining longitudinally spaced upstream and downstream ends and a wedge-shaped dewatering zone, a first pair of press rolls mounted at the downstream end of the bottom wire, and means for pressure loading the dewatering zone at the downstream end, the first pair of press rolls defining a first shoe press unit including first top and bottom press rolls, the first top press roll being a first shoe press roll and the first bottom press roll including oppositely disposed face ends, an outer shell defining a plurality of holes, and an inner roll shell defining a plurality of longitudinally extending grooves.
Dependencies are inferred from the claim text.