FIELD: grinding solid materials. SUBSTANCE: device includes housing 1 with loading and unloading ports and vertical millstones 4, 8 and 9 located inside it; millstones have different graininess; their flat surfaces are provided with communicating grooves 5. Millstones are mounted on sections of axle having opposite direction of thread. They are fixed by means of flexible members 11 and 12 connected with fixing devices which have flexible member 13. Center revolving millstone may be connected with V- belt drive. EFFECT: enhanced efficiency. 2 cl, 2 dwg
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Authors
Dates
1997-12-10—Published
1995-11-23—Filed