CONCENTRATION CHUTE Russian patent published in 2019 - IPC B03B5/26 

FIELD: technological processes.

SUBSTANCE: invention relates to enrichment of minerals and can be used for separation of solid particles by density in liquid medium, mainly at extraction of relatively light solid particles, for example, amber. Concentration chute includes loading part connected with inclined tray, free end of which represents its unloading part and receivers of valuable concentrate and rock. Bottom of the inclined tray is equipped with transverse catching curvilinear pockets arranged with concavity along the flow and made in lower ends with devices of rock release and its direction into receivers.

EFFECT: higher extraction of valuable component.

1 cl, 2 dwg