论文部分内容阅读
直通分枝支护溜井广泛应用于各大矿山,但使用中存在利用效率低的问题,特别是处于围岩条件较差的位置,井筒很容易损坏,甚至垮塌,危及主副井的安全。为此,研究使用直通分枝支护溜井多中段控制放矿技术,能够有效控制放矿时对井筒的破坏,减小粉尘对中段内作业环境的污染,为采矿正常运行提供保障。
Straight-through branch support chutes are widely used in major mines. However, there are problems of low utilization efficiency in their use, especially in locations with poor surrounding rock conditions. The wellbores are easily damaged or even collapsed, endangering the safety of primary and secondary wells. Therefore, the research on the use of straight-through branch-support chute with multi-stage control of ore drawing technology can effectively control the damage to the wellbore during ore discharge, reduce the pollution of the dust on the working environment in the middle section and ensure the normal operation of mining.