DEVICE FOR SEPARATING MINERAL RESOURCES Russian patent published in 1995 - IPC

FIELD: wet separation of mineral materials. SUBSTANCE: device has symmetrically mounted working compartments. Diaphragm 7 has two parts 9 and 10 enclosing the working part of the working chamber. Fine earth collector 12 having slope in unloading direction is placed in the working chamber. Collector 12 is provided with circulation slit and mounted above swinging riddle 8 connected with bottom tray 19 for small-sized mineral fraction. The bottom tray has a circulation slit. Compartments for discharging the selected mineral and for fine earth to be removed have pivotable unloading devices of double-side action. EFFECT: enhanced effectiveness in separating placer sands. 2 cl, 8 dwg