(1) Processing amount. The empirical formula for calculating the amount of hydrocyclone treatment according to the ore volume is:
formula
Where V is the hydrocyclone throughput (m 3 /h) by the ore volume; K α - the hydrocyclone cone angle correction factor, calculated by the following formula
formula
Α——the cone angle of the hydrocyclone, when a=100, Kα=1.15; when α=20 degrees, Kα=1.0; KD——the diameter correction coefficient of the hydrocyclone, check the table below, or press Calculation
Formula table
D——Hydraulic cyclone diameter (cm); dn——the equivalent diameter of the feeding pipe (cm), calculated by the following formula:
formula
B—the width of the mine mouth (cm); h—the height of the mine mouth (cm); d c – the diameter of the overflow pipe (cm); P 0 – the working pressure of the slurry at the inlet of the hydrocyclone (MPa).
For hydrocyclones larger than 50 cm in diameter, the gauge pressure at the inlet should take into account the height of the hydrocyclone, ie:
P0=P+0.0IH r Ï n
P——the pressure of the slurry at the inlet of the hydrocyclone (MPa); H r – the height of the hydrocyclone (m); Ï n – the density of the ore slurry (t/m 3 ).
(2) Separation particle size. The separation size of hydrocyclones has different definitions, so there are various methods for calculating the separation granularity. Here, only one method for calculating the separation granularity according to the maximum particle size (ie, d95 particle size) in the overflow is used, that is,
formula
Where, d H - maximum particle size in the overflow (d95) (μm); β u - solid content in the ore (%); â–³ - diameter of the grit chamber (cm); Ï, Ï 0 - respectively It is the density of solid material and water in the slurry (t/m 3 ); dc, P 0 , K D - the same as before.
(3) The diameter of the grit chamber is â–³. The calculation formula of the diameter â–³ of the grit of the hydrocyclone is as follows:
formula
In the formula, △——spinner grit diameter (cm); Ï——material density (t/m 3 ); C w —— grit mass concentration (%); u——sand amount (t/ h).
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