FIELD: process engineering.
SUBSTANCE: invention relates to gold mining for concentration of fine gold in primary collective concentrates containing magnetic minerals and may be used at slime concentration units of gold fields and concentration plants. Proposed device comprises continuous loading and unloading, magnetic mineral separation chamber and made up of vertical rectangular container, nonmagnetic mineral separator and special-design splitter. To separate magnetic mineral from primary collective concentrates, movable metal case with permanent magnets is arranged on all four sides of vertical nonmagnetic chamber to remove force magnetic minerals from chamber walls to 70-100 mm therefrom and wash them off. Thereafter, metal case is again pressed against the chamber. Note here that aforesaid splitter is made up of quadrangular truncated pyramid.
EFFECT: higher efficiency.
1 dwg
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