Refining segment for a rotatable refining disc, and a refining apparatus comprising a refining disc with such refining segment
AssigneeValmet Fibertech AB
InventorNils Virving
Life of this patent
Estimating the term…
Abstract
Apparatus for use as a portion of a refining surface of a rotatable refining disk is disclosed. The apparatus includes a refining segment having a periphery and being mountable on a rotatable refining disk in juxtaposition with an opposing refiner disk for treating lignocellulosic material in the gap between the disks, and at least one cleaner protruding from the periphery of the refining segment between that periphery and the refiner housing surrounding the refiner whereby lignocellulosic material is cleared from the outer periphery of the refining disk upon its rotation.
Claims12
Apparatus for use as at least a portion of a refining surface of a rotatable refining disk having an outer periphery and rotatable in a predetermined direction of rotation for use in a refiner for lignocellulosic material disposed within a refiner housing, said apparatus comprising a refining segment having a periphery and mountable on said rotatable refining disk in juxtaposition with an opposing refiner disk with a refining gap therebetween for treating said lignocellulosic material, said refining segment being a wear detail that is replaceable at regular intervals;
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- at least one cleaning member protruding from said periphery of said refining segment between said periphery of said refining segment and said refiner housing whereby lignocellulosic material is cleared from said outer periphery of said refining disk upon rotation thereof.
Apparatus for refining and disintegrating lignocellulosic material comprising first and second opposing refining disks rotatable with respect to each other, juxtaposed with a refining gap therebetween and disposed within a refiner housing, said first refining disk comprising a rotatable refining disk having an outer periphery and rotatable in a predetermined direction of rotation, a refining segment having a periphery and mounted on said rotatable refining disk, said refining segment being a wear detail that is replaceable at regular intervals, and at least one cleaning member protruding from said periphery of said refining segment between said periphery of said refining segment and said refiner housing whereby lignocellulosic material is cleared from said outer periphery of said refining disk upon rotation thereof.
Dependencies are inferred from the claim text.