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我国经济的发展带动了金矿行业的发展,为了减小金矿损失,各个矿山对遗留的矿柱及残矿想尽一切办法进行回收,主流浅眼留矿法已不能满足所有矿柱回收,针对一些特殊情况,需采取不同的方法对矿柱进行回收,广东金鼎黄金有限公司采矿公司,针对一些顶板差,顶部浮碴多且顶柱宽度大的情况,采用中孔爆破崩落法回收矿房顶柱,取得显著的经济效益。
The development of our economy has led to the development of the gold mining industry. In order to reduce the loss of gold mines, all mines have tried their best to recover the remaining pillars and residual mines. The mainstream shallow miner mining method can no longer meet the needs of all pillars, For some special cases, different methods need to be taken to recover ore pillars. Guangdong Jinding Gold Co., Ltd. mining company, for some roof difference, the top of the ballast more and the width of the top column, the use of medium-volume blasting caving recovery mine Top column, made significant economic benefits.