Flotation cell is short of concentrator, which refers to the machinery and equipment used to complete flotation process. To add pulp treated by agentia into flotation cell and stir the air to make some mineral particles selectively floating above bubbles, and collect the bubbles floating to pulp surface to get foam product, while the rest still remain in the pulp to achieve the purpose of separating minerals. The flotation concentrator has many forms of structure, and the most commonly used is the mechanical flotation concentrator. Flotation cell is mainly used for lead, nickel, gold and other non-ferrous metals, sorting copper, zinc, and the rough concentration and garbling concentration of black metal and non-metallic.
The impeller rotates when flotation cell works, the pulp in tank will be sucked to impellers from groove bottom through the lower end of the impeller, meanwhile, the low-pressure air will be fed into the tank through the hollow shaft and the air distributor of impeller. The pulp will be pushed out from the first half of the impeller after sufficiently mixing with air, and then entered the tank after flow regulating and orientating by stator.
In concluding Prof. Nelson mused on where the next innovations might be made and suggested that we should be looking outside the narrow confines of the minerals industry, and evaluate the methodologies used in related fields, such as dissolved air flotation in water treatment, and techniques used in oil and tar sands processing, as well as the new field of nanotechnology.
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