FIELD: crushing or grinding of various materials.
SUBSTANCE: invention relates to devices for grinding various materials and can be used in chemical industry, agriculture, production of construction materials and other industries. Ball mill includes housing 1, inside of which there are successively attached elastic toroidal chambers 2 filled with grinding bodies 3, drive 7, air supply branch pipe 8. Dimensions of grinding bodies 3 successively decrease from loading device 4 to unloading device 5, wherein elastic toroidal chambers 2 are separated by perforated partitions 6. First and last elastic toroidal chambers 2 are located coaxially to the longitudinal axis of housing 1, and the intermediate ones are installed with eccentricity and are turned relative to each other by 120°. Perforated partitions 6 have an elliptical shape and are directed by their convex side to unloading device 5, and air supply branch pipe 8 is located above loading device 4 and is inclined to the longitudinal axis of housing 1 at an acute angle.
EFFECT: ball mill provides high quality of grinding.
1 cl, 2 dwg
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