HYDRAULIC CYCLONE WITH REDUCED CONTENT OF FINE MATERIAL IN LOWER DRAINING CYCLONE Russian patent published in 2016 - IPC B04C5/103 

FIELD: machine building.

SUBSTANCE: invention relates to separation of mixtures. Hydrocyclone includes inflow area (2) with tangential inlet hole (4) for fed pulp (6), separation area (3), which is adjacent to inflow area (2) and which comprises nozzle (8) of lower drain to discharge coarse materials or coarse fraction. In tangential inlet hole (4) area there is at least one extra inlet to feed barrier fluid flow. Said barrier fluid flow and flow fed pulp separated from each other by means of plate (10), at least in upper area of hydraulic cyclone (1). Invention also relates to method of hydraulic cyclone (1) operation according to invention.

EFFECT: technical result: improvement of separation.

13 cl, 6 dwg