Patent ID: 6695237
Filing Date: 2004-02-24
Classification: B02C

Abstract:
Test mill forming a reduced-scale model of an industrial mill used in the mining industry and comprising a rotary shell (10) capable of rotating, at a variable speed, about its longitudinal and horizontal axis, said shell (10) being capable of containing a certain amount of grinding media and of receiving a certain amount of material to be ground so as to be able to operate under conditions comparable with those of an industrial mill, characterized in that the shell (10) is divided, in the longitudinal direction, by a perforated transverse partition (24), into a grinding chamber (20) and a measurement chamber (22), in that the perforations in the partition are sized to hold the grinding charge back and allow the ground matter to pass through, and in that the shell (10) comprises a series of injectors (28) allowing gas products to be injected into the grinding chamber (20); and wherein the measurement chamber (22) contains a series of measurement instructions supported by a bracket (26) fixed to the fixed bearing (16).