#### Impact of ball filling rate and stirrer tip speed on milling iron ore ...

The optimal grinding parameters were determined to be grinding concentration of 50%, material ball ratio of, 3:2:5 media ratio (10:15:20 mm) of 3:2:5, medium filling rate of 90%, as well as stirring speed of 110 rpm. ... The successful case of ceramic medium stirring mill replacing twostage ball grinding provides a feasible solution for ...