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How does a horizontal three-phase centrifuge achieve material separation?

Oct 22, 2018

In the process of processing the material by the horizontal three-phase centrifuge, the first suspension to be treated enters the drum from the feeding tube and the spiral discharge port, and the centrifugal force generated by the high-speed rotation is utilized by the difference in specific gravity of the three phases. Next, the solid phase particles having a relatively large specific gravity are deposited on the inner wall of the drum, and the separated supernatant liquid flows out of the drum through the clear liquid outlet at different depths on the drum.


With the high-speed operation of the horizontal three-phase centrifuge, the two liquids with different densities will form a concentric cylinder, the liquid phase with a smaller specific gravity is in the inner layer, the heavier liquid phase is in the outer layer, and the thickness of different liquid rings can be Change the height by adjusting the overflow mouth plate. The heaviest phase deposited on the inner wall of the drum is pushed by the spiral conveyor for relative movement to the cone end of the drum, discharged from the discharge port, and the separated intermediate phase is discharged from the intermediate pipe and flows into the pipe network. The separated lightest liquid phase flows out of the side tube and enters the storage tank.


The separation of the material by the horizontal three-phase centrifuge is mainly achieved by the relative movement between the screw and the drum, and the difference between the two is realized by the differential, and the size is controlled by the secondary motor. The main motor drives the rotating drum to rotate, which also drives the rotation of the differential and the outer casing. The auxiliary motor controls the speed of the differential input shaft through the coupling of the coupling. The differential can be transmitted to the spiral at a certain speed ratio, thereby achieving the process of continuous separation of materials.