HYDRAULIC CONCENTRATOR Russian patent published in 1998 - IPC

FIELD: devices for separation of grainy materials into fractions by density; may be used in ore concentration. SUBSTANCE: concentrator has inclined separation, branch pipes for feed supply and discharge of concentrate and tailings; devices for altering and cutting off of flow. Inclined separation chamber is made in tube of round cross-section. Devices for altering the flow are made in the form of parabolic segment and connected with devices for cutting off the flow at an angle of 20-40 deg and located inside inclined separation chamber successively over its entire length. EFFECT: higher efficiency of material separation. 2 cl, 5 dwg