CENTRIFUGAL CONCENTRATOR Russian patent published in 2002 - IPC

FIELD: beneficiation of mineral resources, geologic prospecting specimens, slurry, sands of natural and man-made deposits containing free gold. SUBSTANCE: centrifugal concentrator has working tool in the form of cup with riffles and inlets to feed loosening water into interriffle space through hollow shaft and corresponding branch pipe. Working tool is put on hollow shaft. Cup with riffles faces downwards with bigger base. Concentrator is fitted with pulser in the form of nut-piston mounted on lower end of shaft for reciprocating motion inside branch pipe feeding water. Working tool is mounted for vertical vibration. EFFECT: raised efficiency and quality of extraction of concentrate. 2 cl, 2 dwg