Hydrocyclone troubleshooting methods

Judging and debugging the working status of the hydro cyclone

1. The concentration and fineness of the overflow.

⑴ The overflow concentration is small and the fineness is fine. At this time, it is necessary to reduce the pressure or adjust the concentration of the ore, and the small grit nozzle can also be replaced to meet the requirements.

⑵ Large overflow concentration and coarse fineness. At this time, the requirements can be met by increasing the pressure and adjusting the concentration of the ore, or by replacing the large sedimentation nozzle. However, the above adjustment cannot rely on only one method to adjust, because this may make the cyclone work insufficiently normal and stable.

2. The settled sand is discharged in an umbrella shape. The judgement basis is that the angle of the settling is between 10°-20°, and the concentration reaches about 75%, which is the best working condition. If the settling angle is too large, there are three reasons:

⑴ The grit nozzle is too large and the concentration of grit is too low. At this time, it can be adjusted by replacing the small sand spout.

⑵ If the feed pressure is too small, the feed pressure of the pump should be adjusted to meet the technological conditions.

⑶ The amount of ore feed is too small and the concentration of ore feed is too low. At this time, the amount of ore and the number of cyclones can be adjusted. In short, the size of the sedimentation concentration directly affects the efficiency of the mill, affects the granularity of the mill’s discharge, and has an impact on the entire process.

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