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The minimum throughputs of industrial decanter centrifuges are generally far greater than the throughputs required for the quantities of products available in research laboratories. In the past, the processing stage of continuous separation therefore frequently had to be simulated with alternative batch-wise separation methods.
The laboratory decanters are used for solid-liquid separation, their principal application being the separation of liquid-based suspensions of organic and inorganic solids.
The working principle of the decanter centrifuge is elementary. It has been known to the public for a century. The drum and spiral are supported by separate suspensions. The material enters through the inlet pipe and accelerates into the core drum body through the drum.
Separation process:
The core part consists of a cylindrical and conical rotating bucket. The force of the centrifuge makes the solid material deposit on the wall of the rotating drum.
Solid discharge:
The spiral body and the rotating drum have the same shape and angle, and the speed is slightly faster than that of the rotating drum so that the separated solid is pushed to the narrow cone end and discharged from the rotating drum. The degree of substantial dehydration depends on many factors. In addition to the material itself, it also depends on the separation time of the solid in the centrifuge and the tight cone angle of the conveying solid. In addition, the differential speed between the screw and the drum is also an important factor.
Draining:
A chuck for adjusting the depth of the liquid level is installed at the bottom of the drum. The clarified liquid flows along with the spiral cylinder to the bottom and then is collected in the liquid hopper and discharged from the machine. The depth of the clear liquid in the drum can be changed by changing To adjust the liquid stopper.
● Food and fermentation industries
● Chemical and pharmaceutical industries
● Biotechnology
● Bioenergy
