| 摘要 |
1. Annular gap-type ball mill for continuously pulverizing in particular hard mineral substances comprising a closed grinding container housing a rotor whose outer surface defines with the inner surface of the grinding container a grinding gap containing grinding pellets, the top portion and the lower portion of the rotor being tapered in opposite directions, characterized in that the grinding container (12) is supported rotatably and connected to a rotary drive. |
