B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
B02C 7/12 (2006.01) D21B 1/14 (2006.01) D21D 1/30 (2006.01)
Patent
CA 2409387
The present invention relates to a refining segment (7; 17; 27; 37) for a rotatable refining disc included in refining apparatus for disintegrating and refining material containing lignocellulose in a refining gap between two opposing refining discs (4, 5) rotatable in relation to each other. It is characterized in that it is provided with at least one cleaning member (10; 20; 30; 40) for clearing away material that has collected outside the outer edge of the refining disc. The invention also relates to refining apparatus provided with at least one such refining segment.
La présente invention concerne un segment de raffinage (7, 17, 27; 37) destiné à un disque de raffinage rotatif contenu dans un appareil de raffinage destiné à la désintégration, et un matériau de raffinage contenant de la lignocellulose dans un intervalle de raffinage entre deux disques de raffinage (4, 5) opposés tournant l'un par rapport à l'autre. Ce segment est caractérisé en ce qu'il est pourvu d'au moins un élément de nettoyage (10; 20; 30; 40) permettant d'enlever la matière collectée en sur le bord extérieur du disque de raffinage. L'invention concerne également un appareil de raffinage doté d'au moins un segment de raffinage.
Fetherstonhaugh & Co.
Valmet Fibertech Ab
LandOfFree
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