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SF flotation machines are suitable for: Small concentrators Industrial minerals Main benefits of DR floation machines: Increases effective aeration through supercharging Maintains solids in suspension by vertical recirculation of pulp Pulp-air mixture ejected by impeller over entire bottom of cell, lifts and suspends solids Draws large volumes of pulp from upper zone to break up any concentration of sands at the bottom of the cell Main features of flotation machines: It incorporates vertical circulation of pulp by combining a "recirculation well" with distinctive top feed impeller. This arrangement provides positive vertical circulation of pulp. In a cell-to-cell type flotation machine the sanding problem is minimised, as the pulp is 100% mixed in every cell as it passes through the feed pipe and impeller. The DR principle of vertical recirculation of pulp effectively minimises stratification and sanding.
