The basic principles of centrifuge filtration technology

Release time:

Mar 31,2021

The centrifuge is mainly used to separate the solid particles in suspension from the liquid, or to separate the two liquids with different densities and immiscible liquids in the emulsion; it can also be used to remove the liquid in the wet solid, such as using the washing machine to dry wet clothes; the special ultra-speed tube separator can also separate the gas mixture of different densities; the characteristics of different density or particle size of solid particles settling in the liquid are different, and some sedimentation centrifuges can also classify the solid particles according to the density or particle size.

A fully automatic centrifuge has a cylinder called a bowl that rotates at high speed around its axis, usually driven by an electric motor. After the suspension is added to the bowl, it is quickly driven to rotate at the same speed as the bowl, and the components are separated and discharged separately under the action of centrifugal force. In general, the higher the drum speed, the better the separation. The principle of action of centrifugal separator is divided into two types: centrifugal filtration and centrifugal sedimentation. Centrifugal filtration is to make the centrifugal pressure generated by the suspension under the centrifugal force field, acting on the filter medium, so that the liquid becomes filtrate through the filter medium, and the solid particles are trapped on the surface of the filter medium, so as to realize liquid-solid separation; centrifugal sedimentation is the use of the principle that the components with different densities of the suspension are rapidly settled and stratified in the centrifugal force field to realize liquid-solid separation.

What is the way to avoid the accumulation of material in the spiral sedimentation centrifuge

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What is the way to avoid the accumulation of material in the spiral sedimentation centrifuge

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