Grading requirements and working principle of pusher solid-liquid centrifuge

- Jun 17, 2019-

A pusher solid-liquid centrifuge is a machine that uses centrifugal force to separate liquid and solid particles or components of a mixture of liquid and liquid. The centrifuge is mainly used to separate the solid particles in the suspension from the liquid, or to separate the two liquids of different density and incompatible liquid in the emulsion (for example, separating the cream from the milk), it can also be used for elimination. A liquid in a wet solid, such as a wet clothes in a washing machine.

 

The special ultra-speed tube separator in the push-type solid-liquid centrifuge can also separate gas mixtures of different densities; using different density or granularity of solid particles to set different speeds in the liquid, some sedimentation centrifuges can also be used for solid particles. Classification by density or particle size.

 

A propelled solid-liquid centrifuge has a cylinder that rotates at a high speed about its own axis, called a drum, which is usually driven by an electric motor. After the suspension (or emulsion) is added to the drum, it is rapidly driven to rotate at the same speed as the drum, and the components are separated under the action of centrifugal force and discharged separately. Generally, the higher the drum speed, the better the separation.

 

The centrifugal separator has two working principles: centrifugal filtration and centrifugal sedimentation. Centrifugal filtration is the centrifugal pressure generated by the suspension under the centrifugal force field, acting on the filter medium, causing the liquid to pass through the filter medium to become the filtrate, and the solid particles are trapped on the surface of the filter medium to achieve liquid-solid separation; centrifugal sedimentation is utilized The principle of rapid sedimentation and stratification of the components with different densities (or emulsions) in the centrifugal force field enables liquid-solid (or liquid-liquid) separation.

 

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