FIELD: sand benefication at gold placer. SUBSTANCE: method lies in compacting and loosening material by shaking up. The material is placed in a bowl, which executes rotary motion around its axis and planetary motion. Speed of bowl planetary motion is determined by the formula: , where ωp is angular speed of bowl planetary motion, radian/sec; ωa is speed of bowl rotary around its axis, radian/sec; Rr is the highest inner radius of the bowl, m; Rn is bowl planetary revolution radius, m. EFFECT: higher productivity. 3 dwg
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Authors
Dates
1997-05-20—Published
1996-01-30—Filed