Method and arrangement for determining a degree of fullness of a large crushing mill drum, and large crushing mill drum

摘要

Method for determining a degree of fullness of a large crushing mill drum, characterized in that the method comprising the steps of: - measuring force measurement data from reactions caused by the crushing material, said reactions being subjected to at least one lifting bar (5) and at least one lifting bar bolt (7) of the crushing mill, using at least one force transducer (9), (25) attached to said at least one bolt (7) lifting bar; and - calculate the degree of fullness of the crushing mill from said force measurement data.