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黄金科学技术 ›› 2017, Vol. 25 ›› Issue (5): 67-72.doi: 10.11872/j.issn.1005-2518.2017.05.067

• 采选技术与矿山管理 • 上一篇    下一篇

三山岛金矿无架腿支护技术研究与应用

马明辉 1,朱明德 2,陈自辉 1,房铖 1   

  1. 1.山东黄金矿业(莱州)有限公司三山岛金矿,山东  莱州   261442;
    2.山东黄金集团有限公司深井开采实验室,山东  莱州   261442
  • 收稿日期:2017-06-15 修回日期:2017-08-16 出版日期:2017-10-30 发布日期:2018-02-12
  • 作者简介:马明辉(1986-),男,吉林辽源人,工程师,从事采矿工艺、矿山压力与岩层控制等研究工作。mmh0709@163.com

Research and Application of Support Technology Without Legs in Sanshandao Gold Mine

MA Minghui1,ZHU Mingde2,CHEN Zihui1,FANG Cheng1   

  1. 1.Sanshandao Gold Mine,Shandong Gold Mining(Laizhou)Co.,Ltd.,Laizhou    261442,Shandong,China;
    2.Deep Mining Laboratory of Shandong Gold Group Co.,Ltd.,Laizhou    261442,Shandong,China
  • Received:2017-06-15 Revised:2017-08-16 Online:2017-10-30 Published:2018-02-12

摘要:

三山岛金矿西山矿区自1989年投产至今已有27年历史,受价格和品位波动的影响,黄金价格低迷时,部分赋存条件复杂的矿体未能及时回采,因此矿区内存在较多的高品位人工假底下矿体。人工假底下矿体的开采面临着上覆充填体强度较低、围岩条件复杂和资源难以回收等技术难题。通过理论分析、现场工业试验等手段,对三山岛金矿西山矿区内回采人工假底下矿体的支护技术进行分析研究,为确定高品位人工假底下矿体回采支护方案提供科学依据。在S10190采场创新采用无架腿支护技术支护顶板,成功回采金矿3 000余吨,避免非人为故意因素情况下偶然性刮倒、碰倒钢支架情况的发生,大幅减少工字钢和木料等采联及通道支护材料的使用量。该技术可以提升机械化作业效率,从而达到提高采场回采效率的目的,具有良好的经济效益和社会效益。

关键词: 破碎矿体, 人工假底, 回采方案, 支护方案, 支护技术, 无架腿支护, 回采效率

Abstract:

Xishan mining area of Sanshandao gold mine has gone into operation for 27 years from 1989,it reserved many high grade top and bottom pillar orebody effected by price and grade fluctuation.As some of the complicated occurrence conditions orebodies haven’t been mined when the gold prices is in the doldrums.Mining of top and bottom pillar orebodies faces several technical problems,such as lower strength of the upper cover body,complex surrounding rock condition and resources recovery difficulty etc.The supporting technology of top and bottom pillar orebody in Xishan mining area of Sanshandao gold mine is studied combined with theoretical analysis and field industrial test.The results can provide scientific instruction for determining the support scheme of  mining of top and bottom pillar orebody.By innovative using support technology without legs,more than 3 000 tons gold ore was successful stoped in S10190 stope.It also can avoid the steel support knocked down by scraper,reducing the application amount of support material such as I-beam and timber.The technology let the mechanization operation efficiency promoted to improve the mining efficiency of stopes,it has good economic and social results.

Key words: broken orebody, artificial bottom, mining plan, supporting plan, supporting technology, support without legs, mining efficiency

中图分类号: 

  • TD953

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