梅山铁矿缓倾斜矿体回收的实践  

Practice of Recovery of Gently Inclined Ore Body in Meishan Iron Mine

作　　者：杨兵 Yang Bing(Mining Branch,Nanjing Baoland Meishan Industrial City Development Co.,Ltd.)

机构地区：[1]南京宝地梅山产城发展有限公司矿业分公司,江苏省南京市210041

出　　处：《现代矿业》2020年第5期44-46,50,共4页Modern Mining

摘　　要：针对梅山铁矿缓倾斜矿体开采存在的问题,优化生产勘探设计,确定缓倾斜矿体赋存状况,根据矿体赋存状况,优化采矿结构参数,并确定与之匹配的爆破参数,对缓倾斜矿体矿柱回收巷道受力情况进行数值模拟分析,确定合理巷道规格,采用光面爆破技术减少爆破对围岩的扰动和破坏,研究解决相关工艺问题,实现了缓倾斜矿体资源的有效回收。Aiming at the problems of mining gently inclined ore body in Meishan Iron Mine,to optimize the design of the production exploration,gently inclined ore body occurrence condition is determined.according to the ore body occurrence condition,optimize the mining structure parameters,and determine the blasting parameters of matching.Numerical simulation analysis is carried out of slowly inclined ore body pillar recovery stress distribution of tunnel,determine reasonable specifications of tunnel.Using smooth blasting technology to reduce the disturbance and damage of blasting to surrounding rock,and the research is carried out to solve the process problem.The effective recovery of gently inclined ore body resources is realized.

关 键 词：缓倾斜矿体 结构参数 爆破参数 光面爆破 爆破故障 

分 类 号：P61[天文地球—矿床学]