1results about How to "Small block" patented technology

The application discloses a kind of gentle inclined thin and medium thick ore body stope inter-column recovery methods, comprising the following steps: S1, determine recovery unit and mining sequence;S2, mining engineering arrangement;S3, recovery unit advance pressure relief and pre-splitting;S4, mechanized continuous recovery, transportation and support;S5, after constructing filling retaining wall in the bottom of recovery unit, subsequent filling is carried out, bagged gravel filling recovery unit and ore roadway corner is used, and the ore roadway is expanded and brushed to the next adjacent recovery unit to carry out ore body advance pre-splitting and pressure relief, to prepare for the recovery of the next recovery unit;The method requires simple equipment, easy to operate, safe, efficient and economical, low ore loss and dilution, and can safely and effectively control the stability of stope surrounding rock and the occurrence of rock dynamic disaster during mining, and has broad application prospect.