METHOD OF FORMATION AND STORAGE OF COAL MINING WASTE IN ROCK DUMPS Russian patent published in 2023 - IPC E21C41/32 B09B1/00 E02B7/06 

Abstract RU 2794705 C1

FIELD: mining.

SUBSTANCE: method includes the formation of a dump and a pit, where a waterproof screen is arranged along the side slopes and the base of this pit is made from compacted fine fractions of overburden and clayey rocks. The coal-rock mass is moved and compacted into the pit from the zones of stripping contacts of overburden rocks with coal seams, zones of tectonic disturbances, zones of off-balance seams and coal waste from dry concentration areas, including waste with an increased concentration of potentially hazardous chemical elements and their compounds. Clay rocks are laid on the specified mass and compacted. Overburden rock of a fine fraction are placed above and the formation of a waste dump is continued.

EFFECT: increased overall environmental safety in mining operations.

2 cl, 1 dwg

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RU 2 794 705 C1

Authors

Reznik Aleksandr Vladislavovich

Gavrilov Vladimir Leonidovich

Nemova Natalia Anatolevna

Cheskidov Vladimir Ivanovich

Karpov Vladimir Nikolaevich

Dates

2023-04-24Published

2022-11-10Filed