FIELD: mining industry. SUBSTANCE: mine water is collected in mine working from cleaned sump of skip shaft, from stand and skip shafts. Collected water is delivered into clarifying reservoirs, cleaned and discharged. Before collecting the mine water, a temporary casing is built between the stand and skip shafts on the cleaning level of skip shaft sump. The main water drain chamber and clarifying reservoirs are made in the temporary through hole. Water is discharged into the main water drain collectors. EFFECT: higher efficiency. 1 dwg
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Authors
Dates
1994-12-15—Published
1991-07-09—Filed