The characteristics and application of three-phase separation centrifuge

- Mar 20, 2018-

The main structures included on the three-phase separation centrifuge include drums, screws, differentials, frames, housings, motors and other related components. The double-corner design is adopted for the drum on the three-phase separation centrifuge. The vertical concave-convex groove is specially designed on the inner wall of the drum, which is to increase the efficiency of the spiral conveying solid phase.


There will be a hard alloy protective layer on the working surface of the spiral blade applied on the three-phase separation centrifuge, which can effectively improve the wear life of the spiral blade. The main motor is controlled by the main inverter and the auxiliary motor is controlled by the auxiliary inverter. The frequency of the motor can be arbitrarily adjusted. The power supply for the sub-inverter will also be provided by the main inverter, which is called the DC common bus supply. The DC common bus supply directly realizes the energy feedback when the sub-motor is in the generator working state, and this time can also be effective. Save energy.


When the material to be separated by the three-phase separation centrifuge is transported by the feed pump to the centrifuge drum, the high-speed rotating drum will inevitably generate strong centrifugal force to settle the solid particles having a higher density than the liquid phase to the inner wall of the drum. And because the rotation speed of the spiral and the drum is not the same, there is a relative movement between the two (ie, a difference in rotation speed, adjustable), and solids (residues) with a high density will settle on the drum wall.


When the three-phase separation centrifuge is used, it should be noted that the clear liquids with different two-phase densities will inevitably form concentric cylinders, the lighter liquid phase will be in the inner layer, and the heavier liquids will also be in the outer layer. The thickness of the different liquid rings will be adjusted by the adjustment plate (ie, the moisture content in the oil or the oil content in the water is adjustable).


The slag deposited on the drum wall is conveyed by the screw conveyor to the cone end of the drum body and discharged from the discharge port to the solid accumulation bin. Water and oil are discharged from the respective outlets. The entire oil, water and slag are three phases. The separation process is automatic feeding and automatic discharging. This three-phase separation centrifuge is mainly used for clarification or de-slag removal of three-phase separation of oil field aging oil, waste oil, restaurant waste oil, etc.