METHOD OF FORMING DUMP Russian patent published in 2018 - IPC B09B1/00 E21C41/26 E02B7/06 

FIELD: mining.

SUBSTANCE: invention relates to the mining industry and can be used in potash and other mining industries, when forming dumps from wastes of ore dressing. Method includes discard dumps with a hydraulic slurry followed by placement of the rocks by dry deposition on top of the washed layers. And initially in the base of the dump arrange a system of anti-filtration protection in the waterproofing screen and drainage system, then the first tier of the dump is formed by hydro-washing with land marks, while the liquid phase of the hydraulic fill slurry is removed from the surface of the wash by filtration through the body of the dump into the drainage system and further into the settling pond outside the dump, and then on the surface of the first tier a second tier is formed by dry dumping.

EFFECT: technical result of the proposed invention is to ensure the safe and uninterrupted placement of ore dressing waste in a dump, increase its capacity and reduce the area of storage of waste due to the successive formation of the heap in height in two tiers.

1 cl, 3 dwg