浅孔留矿法在民采矿山的应用改善了工人作业环境,提高了矿山生产能力和矿山安全因素。 开采技术条件: 该方法要求矿体厚度不大,倾角60°~65°以上,矿岩稳固,产状单一,矿石品位较低,无结块性、自燃性,是唐山地区小矿山开采矿体的普遍特点。结合民采生产技术条件,浅孔留矿法比较适合小矿山开采。 浅孔留矿法阶段高度根据矿床的勘探程度,围岩稳定情况,矿体倾角等因素确定。
详述了宝丰山铅锌矿的矿床开采技术条件,介绍了浅孔留矿法在应用中存在的问题。
The technical mining conditions of mineral deposit of Baofengshan Lead-Zinc Mine are stated in detail, some problems in application of shorthole shrinkage stoping introduced.
大冶铁矿露天采场挂帮矿是该矿山露天转地下项目的重要工程,采用浅孔留矿法进行开采。
The hanging wall ore of the open-pit is one of important projects in transition from open pit to underground in Daye iron mine, and the shallow hole shrinkage mining method is adopted in the project.
浅孔留矿法对急倾斜薄矿脉的矿体开采是一种有效的采矿方法,具有高效低耗与工艺简单等优点。
Short-hole shrinkage mining is an effective method for mining steep-thin veins, and it has advantages of high-efficiency and low-waste and simple technology.
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