对“磷灰石”联合企业“中央”矿井的深溜井的十多年的实际操作经验进行分析,得到了一系列关于溜井放矿工艺及在出现矿山压力的条件下长期安全操作的重要数据。在矿山压力和装矿卸矿的影响下,不支护的生产溜井井壁的稳固性情况有较大的科学上和实践上 After more than ten years of practical experience in the deep well of “Central” coal mine of “apatite” joint enterprise, a series of important data about long-term safe operation under the condition of ore mine pressure and mine have been obtained. Under the influence of mine pressure and ore dressing and unloading, the stability of unsupported production slip-out shaft lining is more scientifically and practically