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CHF-X14 m 3 flotation machine is large inflatable flotation machine mechanical agitation, the structure shown in Fig. The working principle of this flotation machine is mainly to apply the vertical circulation of the slurry and to charge enough low-pressure air to improve the efficiency of the sorting. The vertical circulation in the flotation tank eliminates the stratification and sand accumulation of the ore particles, increases the possibility of sorting coarse and heavy minerals, and increases the chance of collision between the ore particles and the bubbles. The working principle is shown in Figure 2. Show. When the impeller rotates, the slurry in the impeller chamber is mixed with the air and then scooped out, so that the pressure zone of the A region on the back side of the impeller blade, the circulating slurry enters the negative pressure zone through the annular hole between the circulation cylinder and the bell. The low-pressure air enters the impeller chamber sealed by the circulating slurry through the central cylinder and the bell to promote the thorough mixing of the air and the slurry in the impeller chamber. The mixture is pulled out against the cover blade by the centrifugal force generated by the rotating impeller and further The air bubbles are subdivided and dispersed in the slurry. Under the action of the vertical circulating upflow, it spreads upward from the bottom of the entire groove bottom. The slime foam is separated from the gangue minerals in the calm zone above the trough, and the useful minerals are selected into the foam product.
Figure 1 Schematic diagram of XJK flotation machine
1-seat board 2-air tube 3-spindle 4-slurry circulation plug 5-impeller 6-stabilizer 7-cover (guide vane)
8-accident sand release gate 9-connection pipe 10-coarse sand gate adjustment pipe 11-suction pipe
12-bearing sleeve 13-spindle belt shaft 14-tailing gate screw and hand wheel 15-scraper 16-foam overflow lip 17-slot 18-DC tank feed port 19-motor pulley 20-tailing overflowå °é—¨ 21-tailing overflow å °22-feed pipe (suction pipe) 23- roving gate 24 intermediate chamber partition 25-internal slurry circulation sluice adjustment rod
Figure 2 Schematic diagram of CHF-X14 m 3 flotation machine
1-impeller; 2-cover; 3-bell;
4-cycle cylinder; 5-spindle component; 6-center cylinder; 7-air cylinder
The aeration function of the flotation machine is not to draw air into the tank by the negative pressure generated by the rotating impeller, but to supply air to the impeller chamber through the central cylinder by a blower. Its aeration efficiency is mainly related to the amount of aeration and the amount of pulp circulating through the impeller. The amount of inflation can be adjusted as needed, and the maximum inflation can reach 1.5 to 1.8 m 3 / (m 2 · min). Therefore, the motor power can be small, the power consumption is reduced, and the mechanical wear is reduced. Many large flotation machines developed at home and abroad are inflated mechanical mixing types. The disadvantage of this type of flotation machine is that the foam (middle mine) cannot be returned. The manufacturer needs to configure the foam pump (the suction tank can also be set up to solve the problem). And in the configuration plane can not be in the same plane, you need a stepped configuration.
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