Mix Type Flotation Machine

This type of flotation machine is formed by a U-shaped trough, hollow shaft inflation and suspension stator and especially a new type impeller which is a cone impeller whose blades lean backwards just like a centrifugal pump wheel with height ratio rotary speed and it has the advantages of big blending quantity, small pressure, low energy consumption and simple structure. Inside the impeller chamber, there is a cylinderical air distributor with many holes so that the air will evenly distribute on the major parts of the impeller blades in advance, thus providing relatively big contact interface for pulp and air.

When the flotation machine works, with the rotation of the impeller, the pulp in the trough is sucked from the bottom of the impeller through the trough bottom to the middle space of the impeller blades, and at the same time, the low pressure air fed by the air blower also goes into the middle space through the hollow shaft and the air distributor of the impeller. After the pulp and the air are fully mixed in the middle space of the impeller, the mixture is pushed out from the upper part of the impeller, being stabilized by the stator in current and direction, and goes to the whole trough. When the froth rises to the stable area, after the enrichment processing, the froth will overflow to the froth trough from the overflow weir. Another part of pulp will flow to the lower part of the impeller and after being stirred by the impeller, it will mix again and become mineralized froth, and the rest pulp will flow to the next trough until become to tailings.

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