| 摘要 |
FIELD: mineral concentration; devices for separation of noble metals and other heavy useful mineral raw materials. SUBSTANCE: centrifugal separator includes, mounted on frame, conical bowl with annular riffles having variable pitch and depth, and drive. Installed in bowl lower part, parallel to its base with clearance ensuring free passage of the most coarse particles of initial material is disc carrying receiving funnel with spacing ribs. Disc is rotated together with bowl on hollow shaft. EFFECT: satisfactory removal of heavy useful components at low rotation speeds and concentrates washing-off without removal of bowl. 1 dwge
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