CENTRIFUGAL-AND-VIBRATION CONCENTRATOR Russian patent published in 1997 - IPC

FIELD: mineral concentration; in particular, separation of gold-containing mineral mixtures of placer deposits. SUBSTANCE: concentrator has frame, bowl with ports in bottom installed on rotary shaft, in eccentric, bowl drive connected with lower end of rotary shaft through flexible member and device for transmission of rotary motion to shaft. Upper end of rotary shaft is connected with dead part of bowl bottom. Device for transmission of rotary motion to shaft is installed in frame lower part under rotary shaft. EFFECT: higher efficiency. 1 dwg