| 摘要 |
A circulation type media agitator mill (10) according to the present invention comprises a cylindrical vessel (20); an agitating member (22) arranged rotatably in the cylindrical vessel, the agitating member including a cylindrical wall and a hub (22b) closing one end of the cylindrical wall at periphery, the other end of the cylindrical wall being opened, grinding media (30) contained in a grinding chamber (C2) defined between the cylindrical wall of the agitating member and a surrounding cylindrical wall of the vessel; a media-separating member (32) arranged coaxial with the agitating member in the inner space of the agitating member; an inlet for leading material to be ground to the grinding chamber; an outlet for leading the material separated from the grinding media to the outside of the mill via the media separating member from the grinding chamber to the media separating chamber formed between the agitating member and the media separating member and a circulation passage outside the mill, extending from the inlet to the outlet of the mill, in which the vessel is designed that the quotient of the length L1 divided by the diameter D of the vessel (L1/D) may be smaller than one, the cylindrical wall and hub of the agitating member having a plurality of openings to make the grinding chamber communicate with the media separating chamber. |
