摘要
结合某锡矿急倾斜薄矿体的赋存形态和矿岩稳固性,对崩落采矿法、空场采矿法、充填采矿法进行初选,对初选出的浅孔留矿法和分段矿房法从采场生产能力、采准工程布置、回采工艺和矿石综合回收率进行技术经济比较,确定选择浅孔留矿法开采,并对所选的采矿方法进行了底部结构优化,降低了矿石损失率和贫化率。优化后的平底结构浅孔留矿法对类似生产条件矿山具有一定借鉴意义。
Combing with the occurrence mode of the parallel steeply inclined orebody and stability of rock and orebody of a tine mine, the primary selection of caving mining method, open stoping mining method and filling mining method is done. Then, technical and economical comparison of the shallow hole retention method and sectional chamber method by initial selection is done from the aspects of production capacity of the stope, the layout of the quasi engineering and the engineering quantity, the recovery process and the comprehensive recovery rate of the ore. The shallow hole retention method is regarded as the best one, and its bottom structure is optimized, so as to lower the ore loss rate and dilution rate. The shallow hole retention method with flat-bottom structure can provide reference for the similar mines.
作者
陈纲
李宁
李晓芸
孙国权
Chen Gang;Li Ning;Li Xiaoyun;Sun Guoquan(Guiyang Tin Industry of The 23 Metallurgical Construction Group Co.,Ltd.;Sinosteel Maanshan Instituteof Mining Research Co.,Ltd.;State Key Laboratory of Safety and Health for Metal Mines;Changsha Engineering ＆ Research Institute Ltd.of Nonferrous Metallurgy)
出处
《现代矿业》
CAS
2018年第8期73-76,共4页
Modern Mining
关键词
急倾斜矿体
浅孔留矿法
平底结构
Steeply inclined orebody
Shallow hole retention method
Flat-bottom structure
