Structures of Flotation Line:
Flotation Line is mainly composed of jaw crusher, ball mill, spiral classifier, mixer, flotation machine, ore concentrator and dryer machine; and combined with ore feeder, bucket elevator and belt conveyor; a complete ore beneficiation production line can be formed.
Procedures of Ore Selecting:
1. Crushing and Grinding stage
The extracted ore should be crushed by jaw crusher initially and then by fine crusher. When it gets the reasonable fineness, it is transported into ball mill by elevating conveyer and feeder, and is milled by ball mill.
2. Classifying stage
The subtle milled ore gets the next procedure: classification. There is a theory that if the weights of solid particles are different, the sedimentations will be different, and the mixed ore can be classified by screw classifier.
3. Mixing and Floatation stage
The classified ore gets into mixing tank for fully mixing. At this stage, chemical agent for foam can be added. After fully mixing, the slurry will enter into flotation machine.
When the floatation machine works, the motor drives the impeller to revolve, so the centrifugal effect and negative pressure are produced. On one hand, ample air is absorbed and mixed with mineral slurry, on the other hand, the mixed mineral slurry is mingled with additive, meanwhile, the foams are thinning, the mineral is bounded with foams, and floats up to the surface of mineral slurry and the mineralized foam is formed. The liquid surface can be adjusted with the height of adjustment flashboard, so that the useful foams are scraped with squeegee.
4. Concentrator thickening and drying
Then copper concentrate is separated from others. Since the separated ore are wet, they should be dewatered by thicker initially, and dried by dryer.
Advantages of Flotation Line
• High quality and productivity
• Stable operation &easy maintenance
• High efficiency
• Low energy cost
• Large production capacity
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