A method for the comminution of material, in particular of ores, and roller mill for carrying out the method

摘要

A method for the comminution of material, in particular of ore, in which the material as a bulk material is fed to a rolling mill (2) and with the aid of grinding rollers (5), which is disposed on a grinding track (4) of a grinding table (3), comminuted and is discharged, characterized in that the supplied material in the rolling mill (2) of a shear force free grinding to fine material and subjected to arms to fine material free grinding stock is comminuted, wherein a grinding bed (7) with an adjustable height h_m in the range between 1 mm and 150 mm is adjusted and in the grinding rollers (5) are sized and arranged in such a way that, of the elongated roller axes (15), as well as on the vertical mill axis (12) and a horizontal (8) at the height h_m of the bed of material (7) is formed a common intersection point p.