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Do you know what factors affect the separation performance of hydrocyclones?

Author: Time: September 11, 2020 78 views

Because of its simple structure, low cost, large processing capacity and small volume, hydrocyclone has attracted more and more attention from the industrial sector. In addition to a large number of applications in mineral processing industry, hydrocyclone separation technology is more and more widely used in environmental protection, petrochemical, food, papermaking, electrochemistry, bioengineering and other fields.

 Hydrocyclone

It is well known that the separation performance of hydrocyclone is determined by the fluid flow characteristics inside the hydrocyclone. Due to the inherent fluid flow characteristics in ordinary hydrocyclones, the separation process is always accompanied by some shortcomings, such as the separation efficiency and separation accuracy are not high enough.

Although the structure and operation of hydrocyclone are simple, its internal separation process behavior is very complex. In the flow field of conventional hydrocyclone, there are outer swirl, inner swirl, circulating flow, short-circuit flow and air column. Air column has a great influence on the flow field and separation performance of hydrocyclone, so many researches have been done on air column.

The air column inside the hydrocyclone is effectively eliminated by the introduction of the central solid rod. With the elimination of air column, the flow field in hydrocyclone becomes stable, which is conducive to the accurate separation process. The separation performance of the hydrocyclone is effectively enhanced by replacing the air column with a central solid rod.

 Hydrocyclone

Compared with the hydrocyclone with a gas column, the hydrocyclone with a central solid rod has higher total separation efficiency, higher total correction separation efficiency, smaller separation particle size and higher separation accuracy. With the increase of the internal space in the cone section of hydrocyclone, the central solid rod has a better effect on enhancing the cyclone separation performance.