СПОСОБ ВЫПУСКА РУДЫ ИЗ БЛОКОВ

摘要

FIELD: mining, particularly underground ore deposit development, particularly for ore drawing from blocks. ^ SUBSTANCE: method involves preparing ore stock by sub level drifts or cross drifts cutting; drilling ore stock with holes; installing ore discharge control device at loading drift end, wherein the ore discharge control device comprises frame and sheet fastened to upper frame part and extending in horizontal direction at loading drift roof level; cutting ore and discharging ore through ends of loading drifts along with sheet introduction in cut ore massif. Sheet if inclined from drift roof before sheet insertion in cut ore massif and sheet is introduced for the full drift width. Lower sheet part is lowered to level enough for loading machine shovel insertion and normal operation. ^ EFFECT: increased discharge output, reduced loses and ore dilution. ^ 2 dwg