CENTRIFUGAL CONCENTRATOR FOR ORE DRESSING Russian patent published in 1997 - IPC

FIELD: ore mining and dressing industries. SUBSTANCE: proposed concentrator comprises body having cover and discharge pipe and housing rotor that includes vertical cylindrical shell having end wall, overflow edge and plurality of intercommunicating separating chambers arranged height-wise along said shell. Chambers are encircled from outside by annular cavity containing washing water admitted into chambers through openings. Shell also comprises means intended to supply washing water into rotor and made in form of distributing reservoir provided with water supply pipe and with radial channels for passage of water flow into annular cavity, inlet branch pipe for charging feed material, and rotor-actuating drive unit having shaft. Said separating chambers are formed by rigidly interconnected rings having conically shaped inner surface, minor base of cone being turned downwards. Said distributing reservoir for washing liquid is mounted on end wall of rotor shell and has radially extending channels. EFFECT: simple and efficient design ensuring high ore concentration percentages. 1 dwg