Method for improving recovery rate of graded tailings
A recovery rate and tailings technology, applied in chemical instruments and methods, solid separation, wet separation, etc., can solve the problem of low recovery rate of classified tailings, reduce the risk of clogging, reduce separation particle size, and improve recovery rate Effect
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Embodiment 1
[0063] figure 1 A flow chart of a method for increasing recovery of fractionated tailings is provided. Specifically, include the following steps:
[0064] Step S1, use the first cyclone with a diameter of 150mm to perform the first cyclone treatment on the feed slurry with a mass concentration of 19%, and the cone angle of the first cyclone is 20°, the diameter of the sand settling pipe is 12mm, and the overflow The diameter of the pipe is 24mm, the ore feeding pressure is 0.06Mpa, the first grit with a mass concentration of 78% and the first overflow with a mass concentration of 12.58% are obtained, and the first separation particle size value is 32.51 μm.
[0065] Step S2, use the second cyclone with a diameter of 100mm to perform the second-stage cyclone treatment on the first overflow, and the cone angle of the second cyclone is 10°, the diameter of the overflow pipe is 22mm, and the diameter of the sand settling pipe is 8mm , the ore feeding pressure is 0.15MPa, and the...
Embodiment 2
[0067] Step S1, use the first cyclone with a diameter of 150mm to perform the first cyclone treatment on the feed slurry with a mass concentration of 19%, and the cone angle of the first cyclone is 20°, the diameter of the sand settling pipe is 12mm, and the overflow The diameter of the pipe is 24mm, the feeding pressure is 0.06Mpa, the first grit with a mass concentration of 78% and the first overflow with a mass concentration of 12.58% are obtained, and the first separation particle size value is 32.51 μm.
[0068] Step S2, use the second cyclone with a diameter of 100mm to perform the second-stage cyclone treatment on the first overflow, and the cone angle of the second cyclone is 10°, the diameter of the overflow pipe is 22mm, and the diameter of the sand settling pipe is 10mm , the ore feeding pressure is 0.15MPa, and the second grit with a mass concentration of 40.70% and the second overflow with a mass concentration of 59.30% are obtained, wherein the second separation p...
Embodiment 3
[0070] Step S1, use the first cyclone with a diameter of 150mm to perform the first cyclone treatment on the feed slurry with a mass concentration of 19%, and the cone angle of the first cyclone is 20°, the diameter of the sand settling pipe is 12mm, and the overflow The diameter of the pipe is 24mm, the feeding pressure is 0.06Mpa, the first grit with a mass concentration of 78% and the first overflow with a mass concentration of 12.58% are obtained, and the first separation particle size value is 32.51 μm.
[0071] Step S2, use the second cyclone with a diameter of 100mm to perform the second-stage cyclone treatment on the first overflow, and the cone angle of the second cyclone is 10°, the diameter of the overflow pipe is 22mm, and the diameter of the sand settling pipe is 12mm , the ore feeding pressure is 0.15MPa, the second grit with a mass concentration of 42.97% and the second overflow with a mass concentration of 57.03% are obtained, and the second separation particle ...
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