DISC REFINER SEGMENT; PATTERN OF BARS AND GROOVES WITH DAMS PLACED IN THE GROOVES AT ANGLE OF LESS THAN 30 DEGREES TO RADIUS OF DISC

摘要

Refiner segments for use in disk refiners for the disintegration of lignocellulose-containing material are disclosed, in which the refiner segment is formed with a pattern of bars and grooves and includes dams placed in the grooves. The dams are arranged so that their angle in relation to the radius of the refiner segment is less than about 30 DEG , preferably less than about 15 DEG .