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Decomposition of key parts of decanter centrifuge


drum  hydraulic power unit  satellite

discharge screw  drum over

The solid drum is internally installed with a concentric discharge screw. As they rotate in the same direction at a high speed, they have a certain rotational speed difference, which is caused by the driving system and the differential case. 
Suspension enters the internal of the charge screw through the speed pipe and then goes into the drum after being accelerated. Under the centrifugal force, solid particles of big density settle on the inwall of the drun, and form a circular layer of cake, which is continuously pushed by the discharge screw to the small end of the drum and then out of it, while the settled liquid is continuously discharge out of the drum from the vortex finder of the big end of the drum, hence solid-liquid sparation of suspension.