SF Flotation Cell

SF Flotation Cell


When the impeller rotates, the centrifugal force with the action of upper and lower vanes is produced, and drives the slurry in upper and lower wheel chambers thrown around, by which the negative pressure area is formed in upper and lower wheel chamber. At the same time, the slurry on top of cover plate is absorbed into upper wheel chamber to form upper circulation via the circular hole on the cover plate. When the slurry is thrown around by the lower vane, the lower slurry flows to the center to complement, by which the lower circulation is formed. And the air is sucked into the upper impeller chamber via suction pipe and center cyl-inder, mixing with absorbed slurry, and forming a large number of tiny air bubbles. After steady flow through the cover board, these bubbles are evenly dispersed in tank, forming mineral laden bubbles. Then mineral laden bubbles will rise to the foam layer, and become foam products by the scraper.

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The impeller with backward-style two-sided vanes ensures double circulation of ore slurry in tank. Large clearance between impeller and cover plate ensures large amount of air suction. Low circular velocity of impeller ensures long service life of wear parts. Forward-style tank body with small dead angle ensures high speed of bubble motion. Large amount of air suction and low energy consumption. Long service life of wear parts. Better for the flotation of coarse-grained minerals.


SF mechanical agitation flotation cell can be widely used in the mineral classifications of non-ferrous metals, black met-als, and non-metals. It is suitable for roughing and scavenging in large and medium flotation plant.

Technical Parameters

Model Effective Volume (m3) Capacity (m3/min) Impeller Diameter (mm) Impeller Revolution (r/min) Motor Power for Stir (kW) Motor Power for Scraper (kW) Single Tank Weight (kg)
SF-0.37 0.37 0.2~0.4 300 352~442 1.5 0.55 387
SF-0.7 0.7 0.3~1.0 350 336~384 3 1.1 629
SF-1.2 1.2 0.6~1.6 450 312 5.5 1.1 1151
SF-2 2 1.5~3 550 280 11 1.5 1879
SF-2.8 2.8 1.5~3.5 550 280 11 1.5 1902
SF-4 4 2.0~4 650 235 15 1.5 2193
SF-6 6 3~6 760 191 30 2.2 3540
SF-8 8 4.0~8 760 191 30 2.2 4043
SF-16 16 5.0~16 850 169~193 45 1.5 7415
SF-20 20 10~12 850 169~193 45 1.5 9800

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