METHOD AND APPARATUS FOR DETACHING FROZEN CHARGE FROM A TUBE MILL

摘要

A method and associated apparatus for detaching a frozen charge (14) from an inner wall (12) of a grinding pipe (10) of a tube mill such as is used for grinding. The method comprising the steps of controlling a driving device of the grinding pipe (10) to detach a frozen charge (14) from an inner wall (12) of the grinding pipe (10), which driving device is operable to apply a driving torque to the grinding pipe (10), wherein controlling the driving device comprises varying the driving torque applied to the grinding pipe (10) around a predetermined reference level.