The Investigation of Grindability of Refractory Wastes in ...
2015-10-20 · Laboratory scale ball mill and vertical pinned stirred mill were used in the grinding tests. Laboratory Scale Ball Mill. Grinding experiments were carried out in a laboratory ball mill 30.5 cm in length and 30.5 cm in diameter. The mill has a smooth lining and rounded corners, which is easier to empty completely after each grinding test.