FIELD: technological processes.
SUBSTANCE: invention relates to mechanochemical treatment of materials. Device consists of grinding jars with internal working chambers and grinding balls. Inner working chamber of the grinding jars is square shaped. Vertices of the straight two-sided angles formed by the intersection of mutually perpendicular vertical faces, as well as the intersection of the vertical faces with the bottom / the cup bottom, are made in the form of cylindrical grooves, which radius is equal to or greater than the radius of the grinding ball.
EFFECT: energy tension and productivity of the grinding process of the solid material are increased, and the adhesion of the charge and powder to the profile of the cylindrical troughs is eliminated.
1 cl, 9 dwg
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