CONCENTRATOR Russian patent published in 2011 - IPC B03B5/32 

FIELD: process engineering.

SUBSTANCE: invention relates to mining, in particular, to devices intended for extraction of heavy noble metals. Proposed device comprises frame accommodating working member made up of bowl, squeezer rolls arranged on platform rotating about vertical axis, and drive consisting of two motors. To increase effects of squeezer rolls on pulp via working member wall, said member is made up of paraboloid of revolution while every roll is divided into separate disks fitted on axle.

EFFECT: higher efficiency of extraction.

3 cl, 2 dwg