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我矿马槽滩矿区和岳家山矿区,自1966年以来,因地制宜地对部分矿段先后成功地采用了露天漏斗采矿法,达到了工效高、成本低、贫损低和消耗低的效果。 露天漏斗采矿法最适用于可以平硐开拓的露头矿体,开采厚度最好在八米以上。这种采矿法是将露天开采与坑内运输结合起来,由坑内向露天采场打溜井,然后将溜井口扩大形成漏斗状,如此从上往下逐步扩大漏斗的过程,就是回采矿石的过程。采下的矿石自溜入溜井,通过溜井闸门在运输平巷装车。因此,它既具备有露天开采的优点,同时又大大简化了回采
Since 1966, the Mine Mining Beach and Yuejiashan Mining Area have successfully adopted the open-air funnel mining method for some mining areas according to the local conditions, achieving the effects of high work efficiency, low cost, low loss and low consumption. Open-pit funnel mining law is best suited to open outcrop ore body, mining thickness is best in more than eight meters. This mining method is the combination of open pit mining and pit transportation, from the pit to the open pit to play a small hole, and then the slippery wellhead to expand the funnel-shaped, so gradually from top to bottom funnel process is the recovery of ore. Ore taken from the self-slipped into the slide, through the slide gate in the transport lane loading. Therefore, it not only has the advantages of open-pit mining, but also greatly simplifies the mining