中关铁矿底部出矿嗣后充填采矿方法试验研究  

Experimental Study on Bottom Ore Subsequent Filling Mining Method of Zhongguan Iron Mine

作　　者：郭斌 王社光 王庆刚 杨志强 GUO Bin;WANG Sheguang;WANG Qinggang;YANG Zhiqiang(Shahe Zhongguan Iron Mine Co.,Ltd.,Hebei Iron and Steel Group)

机构地区：[1]河北钢铁集团沙河中关铁矿有限公司

出　　处：《现代矿业》2021年第2期47-49,52,共4页Modern Mining

基　　金：国家重点研发计划课题:金属非金属矿山完整性安全开采理论(编号:2016YFC0801600)。

摘　　要：针对中关铁矿破碎矿体开采难题,开展底部出矿嗣后充填采矿方法的应用研究。首先开展了现场岩体结构面调查与矿石点荷载强度测定,确定矿体与近矿围岩的稳定性级别;然后运用三律适应性原理对底部出矿方法进行分析,对采场宽度、盘区矿柱间距、回采工艺进行优选,确定采场结构及采准工程布置形式;最后分析底部出矿嗣后充填法的主要技术经济指标。结果表明,底部出矿嗣后充填采矿法满足矿山安全生产要求,且矿块生产能力相对提高。In view of the mining problem of broken orebody in Zhongguan Iron Mine,the application research of bottom ore subsequent filling mining method is carried out.Firstly,the field investigation of rock mass structural plane and the determination of ore point load intensity are carried out,the stability lev⁃el of ore body and surrounding rock near the mine is determined.Then,the bottom ore-drawing method is analyzed by using the principle of tri-law adaptability,and the stope width,pillar spacing in panel and mining technology are optimized to determine the stope structure and the layout of mining preparation engi⁃neering.Finally,the main technical and economic indicators of bottom ore subsequent filling mining meth⁃od are analyzed.The results show that the mining method meets the requirements of mine safety produc⁃tion,and the production capacity of ore blocks is relatively improved.

关 键 词：破碎矿体 厚大矿体 底部出矿嗣后充填采矿法 

分 类 号：TD853.34[矿业工程—金属矿开采]