B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
B02C 4/40 (2006.01) B02C 4/30 (2006.01)
Patent
CA 2215293
A description is made of a roller mill for grinding of particulate material, which roller mill comprises at least one grinding roller (3, 23, 33) which operates interactively with at least one further grinding body (1, 21, 31) such as a grinding table (21), a grinding ring (31), or a grinding roller (1). The roller mill is peculiar in that it comprises means (7) which provide for a continuous grinding-off of at least the areas on the surfaces of the grinding bodies (1, 3, 21, 23, 31, 33) which are subjected to least wear during the grinding process. As a result hereof, the surfaces of the grinding bodies are worn more uniformly across their entire width, thereby avoiding undesirable wear profiles and extending the effective lifetime of the grinding bodies.
L'invention se rapporte à un broyeur à cylindres qui permet de broyer des matières particulaires: il comprend au moins un cylindre de broyage (3, 23, 33) coopérant avec au moins un autre corps de broyage (1, 21, 31), par exemple une table de broyage (21), un élément annulaire de broyage (31) ou un cylindre de broyage (1). La particularité du broyeur en question est qu'il comprend un élément (7) de meulage en continu destiné au moins aux parties des surfaces des corps de broyage (1, 3, 21, 23, 31, 33) qui subissent le moins d'usure pendant les opérations de broyage. En conséquence, les surfaces des corps de broyage sont usées plus uniformément sur toute leur largeur, ce qui permet d'éviter l'apparition de profils d'usure non souhaités et de prolonger la durée de vie effective des corps de broyage.
Borden Ladner Gervais Llp
F.l. Smidth & Co. A/s
LandOfFree
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