无底柱浅孔留矿采矿法60%。
Short-hole shrinkage method without sill pillar occupies 60%.
根据铧厂沟金矿矿体的开采技术条件,选用了浅孔留矿采矿法回采。
According to the technical mining condition in Hua Changgou Gold Mine, the short hole shrinkage mining was chosen.
叙述了堡子湾金矿多年来应用浅孔留矿采矿法的生产实践以及对采切工程的改进。
The paper introduced shallow hole shrinkage stoping method that has been used in Baoziwan Gold Mine for many years.
留矿采矿法是我国使用最早、应用范围很广的采矿方法之一,是一种适应性强、灵活性大的采矿方法。
Shrinkage mining method is China's earliest use and widely applied methods of mining, is a strong adaptability and extreme flexibility mining method.
对极破碎薄矿体的开采,采用了将常规的留矿法中分选废石改为分选富矿石留贫矿石的采矿方法。
In mining the extremely fractured thin ore body, the separation of waste rock in the conventional shrinkage stoping was replaced by the separation of the rich ore and retaining the lean ore.
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.
对于急倾斜极薄矿脉的开采国内外最常用的采矿方法是浅孔留矿法,实践表明,该法存在人工劳动强度大、矿石贫化率高等缺点。
Through an exploratory survey of residual deposit in the sourthern zone of a copper ore mine, inclined thin veins with difficult occurrence and complicated mining conditions were discovered.
对于急倾斜极薄矿脉的开采国内外最常用的采矿方法是浅孔留矿法,实践表明,该法存在人工劳动强度大、矿石贫化率高等缺点。
Through an exploratory survey of residual deposit in the sourthern zone of a copper ore mine, inclined thin veins with difficult occurrence and complicated mining conditions were discovered.
应用推荐