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Hydrocyclone

 

 

 

 

Hydrocyclone Application


 

Hydrocyclone is widely used in concentrating plants of black and non-ferrous metals as well as chemical and other industries
Hydrocyclone is a device to classify/separate or sort particles in a liquid suspension based on the densities of the particles. A hydrocyclone may be used to separate solids from liquids or to separate liquids of different density.


 

Hydrocyclone structure

 

A hydrocyclone will normally have a cylindrical section at the top where liquid is being fed , and a base. The angle, and hence length of the conical section, plays a role in determining operating characteristics.
A hydrocyclone has two exits on the axis: the smaller on the bottom (underflow or reject) and a larger at the top (overflow or accept). The underflow is generally the denser or thicker fraction, while the overflow is the lighter or more fluid fraction.


 

Working principle of Hydrocyclone

 

Internally, centrifugal force is countered by the resistance of the liquid, with the effect that larger or denser particles are transported to the wall for eventual exit at the reject side with a limited amount of liquid, whilst the finer, or less dense particles, remain in the liquid and exit at the overflow side through a tube extending slightly into the body of the cyclone at the center.
Forward hydrocyclones remove particles that are denser than the surrounding fluid, while reverse hydrocyclones remove particles that are less dense than the surrounding fluid.

In a reverse hydrocyclone the overflow is at the apex and the underflow at the base. There are also parallel flow hydrocyclones where both the accept and reject are removed at the apex. Parallel-flow hydrocyclones remove particles that are lighter than the surround fluid.

 

Hydrocyclone technical parameters

 

Diameter
mm

For ore mouth
fmm

overflow
mm

Shen flow mouth

Taper

Cone
mm

Cylinder altitude
mm

Overflow with depth
mm

Handle amounts
m3/h

100

30×5

14

11

20

275

60

 

1.5-9

30×7

18

30×10

26

125

25×10

50

15-30

20

225

110

 

2.4-15

150

40×8

20

15

20

326

100

 

4.8-54

40×10

30

40×12

40

250

50×20

125

35

20

595

170

 

6.5-61.2

300

75

125

50

20

800

200

200

24-60

 

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