Refiner plate with steam relief pockets

Details Refiner plate with steam relief pockets Refiner plate with steam relief pockets

1997-07-01

1999-01-26

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

Wood and similar natural-fibrous vegetable material

2412612, 241298, B02C 712

Patent

active

058630007

ABSTRACT:
A refiner plate for the face of a refiner disc comprising a plurality of refiner segments arranged side-by-side on the face of the disc to form a substantially annular refining region. Each refiner segment has a plurality bars and grooves for refining a lignocellulosic material and a plurality of steam pockets for receiving, storing and transmitting steam generated during the refining process. Each steam pocket is defined by a series of gaps in adjacent bars such that the steam pocket extends radially and laterally across the refiner segment and such that the surface of the steam pocket is at or below the height of the groove surface. At least one bar extends radially between each adjacent steam pocket in a segment, thereby forming a discontinuous path for the movement of steam.

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patent: 5181664 (1993-01-01), Kohler
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