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Inverter control and saving requirements for high-speed three-phase centrifuges

The working principle of the high-speed three-phase centrifuge is that after the two liquid phases and one solid phase enter the centrifuge, the centrifugal force field is effectively expanded by several thousand times during the operation, and the solid phase is settled by the centrifugal force. The two liquid phases are also stratified, thereby achieving solid-liquid-liquid three-phase separation and discharging the body separately under the action of a special mechanism. The entire feed and separation process is continuous, closed, and automated.

  

The high-speed three-phase centrifuge is mainly composed of drums, spirals, differentials, motors, frames, casings, etc., to a certain extent, the drums are mainly designed with double vertex angles, to a certain extent. A longitudinal concave-convex groove is specially designed on the inner wall of the drum for improving the efficiency of the spiral conveying solid phase. The working surface of the spiral blade has a hard alloy protective layer, which effectively improves the wear life of the spiral blade.

  

The main motor of the high-speed three-phase centrifuge is controlled by the inverter, and the sub-motor of the equipment is directly controlled by the sub-inverter, and the frequency of the motor can be adjusted arbitrarily. The power supply of the auxiliary frequency converter is provided by the main frequency converter, which is called DC common bus power supply. The DC common bus power supply realizes the energy feedback when the auxiliary motor is in the working state of the generator, which can effectively save energy.

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