A water-saving tailings discharge method
A technology of tailings and tailings ponds, applied in the field of metallurgy and mines, can solve the problems of tailings ponds that are prone to dust, difficult operation, high infrastructure investment and dehydration operation, and achieve high anti-sliding stability, large permeability coefficient, and safety factor big effect
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Embodiment 1
[0028] When the amount of coarse tailings in the tailings is relatively large, the tailings dam can adopt the downstream dam-filling method.
[0029] figure 1 In the middle, the height of the initial dam 2 is confirmed according to its formed storage capacity to store at least the amount of tailings for more than half a year after the beneficiation plant is put into operation, and meets other regulations of the specification. The initial dam is preferably a permeable rockfill dam, or an earth-rock dam with drainage facilities on the inner slope of the dam, which can lead the internal seepage of the tailing slurry to the outside of the dam, accelerate the consolidation of tailings, and increase the stability of the dam.
[0030] The flood drainage system 3 is arranged according to topography and geological conditions, and generally adopts other types such as drainage well-drainage pipe type, drainage well-drainage tunnel type or drainage chute-drainage pipe type.
[0031] The drainage...
Embodiment 2
[0036] When the amount of coarse tailings in the tailings is small and there are more beneficiation or mining wastes, the tailings dam can adopt the improved downstream dam method, the inner side of the dam adopts coarse-grained tailings after classification, and the outer side of the dam adopts waste rock. An inverse filter layer is provided in the middle joint part.
[0037] figure 2 In the middle, the height of the initial dam 2 is confirmed according to its formed storage capacity to store at least the amount of tailings for more than half a year after the beneficiation plant is put into operation, and meets other regulations of the specification. The initial dam 2 is preferably a permeable rockfill dam, or an earth-rock dam with drainage facilities on the inner slope of the dam, which can guide the internal seepage of the tailing slurry to the outside of the dam, speed up the tailings consolidation, and increase the stability of the dam.
[0038] The flood drainage system 3 i...
Embodiment 3
[0044] When the amount of coarse tailings in the tailings is small, and the beneficiation or mining waste rock is small, the tailings dam can use the center line dam method.
[0045] image 3 In the middle, the height of the initial dam 2 is confirmed according to its formed storage capacity to store at least the amount of tailings for more than half a year after the beneficiation is put into production, and meets other regulations in the specification. The initial dam 2 is preferably a permeable rockfill dam, or an earth-rock dam with drainage facilities on the inner slope of the dam, which can guide the internal seepage of the tailing slurry to the outside of the dam, speed up the tailings consolidation, and increase the stability of the dam.
[0046] The flood drainage system 3 is arranged according to topography and geological conditions, and generally adopts other types such as drainage well-drainage pipe type, drainage well-drainage tunnel type or drainage chute-drainage pipe...
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