A ball mill for use in mechanical alloying and grinding comprising a plurality of ferromagnetic balls within a spherical or cylindrical chamber or cell of a paramagnetic material. The chamber has a substantially horizontal axis of rotation. At least one magnet is mounted outside the chamber to produce a magnetic field within the chamber.
The present invention is to provide a bean processing device comprising: a first processing tank, which comprises a first pulverizer, the first processing tank is for loading the beans for soaking, cooking and crushing; a second pulverizer, which is applied as a holding tank for the fine crushing of the primary crushed beans from the first processing tank; a second processing tank, which is ...