Do you know the working principle of each flotation machine?
Release time:
2022-11-07
The flotation machine is driven by the V-belt drive of the motor to rotate the impeller, which produces centrifugal action to form a negative pressure. On the one hand, it inhales sufficient air to mix with the ore pulp
The flotation machine is driven by the V-belt drive of the motor to rotate the impeller, which produces centrifugal action to form a negative pressure. On the one hand, it inhales sufficient air to mix with the ore pulp, on the other hand, it stirs the ore pulp to mix with drugs, and at the same time refines the foam, so that the minerals adhere to the foam. Float to the pulp surface and form mineralized foam. Adjust the height of the ram to control the liquid level so that the useful foam is scraped off by the scraper.
The coal slime and chemicals are fully mixed and fed to the bottom of the first chamber of the flotation machine. After the impeller rotates, a negative pressure is formed in the wheel cavity, so that the slurry under the bottom of the groove and in the groove enters through the lower suction port and the upper suction port of the impeller respectively. The mixing zone also allows air to enter the mixing zone along the air guide sleeve, where the slurry, air and chemicals are mixed.
Under the centrifugal force of the impeller, the mixed ore slurry enters the mineralized area, and the air forms air bubbles and is crushed, fully contacting the coal particles to form mineralized air bubbles, which are evenly distributed in the tank under the action of the stator and turbulent flow plate section, and move upward into the separation zone, enriched to form a foam layer, which is discharged by the foam scraping mechanism to form clean coal foam.
The sorting rotary ring rotates at a slow speed. When the sorting chamber enters the floating field area, the selected materials are sent to 6 sorting points through the slurry distributor, and the weakly magnetic mineral particles are sucked on the tooth plate and rotate with the sorting ring. Under the action of gravity and pulp flow, the non-magnetic ore particles pass through the gap of the tooth plate and are discharged into the tailings tank at the lower part of the separation ring. When the sorting chamber is transferred to the middling ore cleaning position, a small amount of cleaning water is fed in to wash the mixed gangue, conglomerate and slime into the tailings tank (the machine is not equipped with a middling ore tank) to improve the quality of the concentrate the goal of. When the sorting chamber is turned to a position where the magnetic field is very weak (concentrate washing area), pressurized water is sprayed to flush the weakly magnetic ore particles attracted by the tooth plate into the concentrate tank. Then the sorting chamber turns to another magnetic field area with the opposite polarity, and the sorting ring rotates once, and each sorting chamber repeats this 6 times.
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