新浦磷矿采矿方法述评

新浦磷矿为一水文地质条件较复杂,海淤、流砂威胁井下开采的中小型矿山。为适应这一特定的条件并结合矿体的赋存变化,十多年来所使用的采矿方法几经变革。由开始的低分段崩落法、空场法,发展到目前所使用的爆力运搬深孔矿房法。本文对这些采矿方法作了相应的评述。

Review on the mining methd of Xinpu Phosphate Mine

Xinpu Phosphate Mine, medium and small-sized, features Complicated hydrogeological conditions and marine sludge and heaving sand menacing underground operation. In view of these conditions and orebody oecurence, over the past more than ten years the mining methods used have changed many times fron initial sublcvel caving, open-stope to the present casting with explosion-deep hole breast, which are described in this paper.