FLOTATION MACHINE Russian patent published in 1996 - IPC

FIELD: mineral concentration; ore flotation. SUBSTANCE: flotation machine includes chamber accommodating aerator mounted on shaft. Aerator consists of disk in form of truncated cone with its small base facing upward and blades attached to disk lower side and formed from trapezoidal plates installed with gap, disk with circulating hole located under aerator, stator located around the aerator on the disk located under aerator. Machine has vertical tube located coaxially with shaft with a spaced relation. Tube upper end is fixed to shaft. Tube lower end is secured to aerator disk. Aerator disk above interblade space has holes for pulp circulation inside the chamber. Ratio between the depth of immersion of aerator and its height amounts from 3.0 to 4.5. EFFECT: higher efficiency. 2 dwg