Working principle of particle grading high speed decanter centrifuge

The particle fractionation high speed decanter centrifuge is used for the separation of two solid particles of different specific gravity.
The particle fractionation high speed decanter centrifuge is used for the separation of two solid particles of different specific gravity. The specific gravity of the separation liquid is between the specific gravity of the two solid particles to be separated, and the solid particles to be separated are dispersed in the separation liquid. The drum and the spiral rotate at a high speed in the same direction at a differential speed, and the material enters the spiral inner cylinder through the feeding pipe, and enters the rotating drum from the feeding port. Under the action of centrifugal force, large specific gravity solid particles are deposited on the drum wall to form a sediment layer, and small specific gravity solid particles form an inner layer. The separation liquid forms a liquid phase ring between the sediment layer and the inner layer, starting from the drum wall inwardly. It is a solid phase layer, a liquid phase layer and a small specific gravity solid phase layer. The spiral continuously pushes the large specific gravity solid particles deposited on the drum wall to the end of the drum cone, and exits the machine through the slag discharge port. The liquid phase overflows continuously from the overflow of the big end of the drum. The small specific gravity solid particles are discharged from the outside of the machine by the slag discharge port at the big end of the drum. Thereby achieving particle grading.


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