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黄金科学技术 ›› 2021, Vol. 29 ›› Issue (2): 200-207.doi: 10.11872/j.issn.1005-2518.2021.02.134

• 采选技术与矿山管理 • 上一篇    

三山岛金矿井下无人开采区域中深孔落矿嗣后充填连续采矿工艺设计

赵兴东1(),曾楠1,陈玉民2,魏慧1,王成龙2,侯成录2,杜云龙2,范纯超2   

  1. 1.东北大学采矿地压与控制研究中心,辽宁 沈阳 110819
    2.山东黄金集团有限公司,山东 济南 250101
  • 收稿日期:2020-07-26 修回日期:2020-11-04 出版日期:2021-04-30 发布日期:2021-05-28
  • 作者简介:赵兴东(1975-),男,辽宁辽中人,教授,从事采矿地压与控制研究与教学工作。zhaoxingdong@mail.neu.edu.cn
  • 基金资助:
    国家重点研发计划项目“地下金属矿规模化无人采矿关键技术研发与示范”(2018YFC0604401);NSFC-山东联合基金“胶西北滨海深部含金构造探测与采动灾害防控机理研究”(U1806208)

Design of the Medium-deep Hole Caving and Subsequent Filling Continuous Mining Technology in Underground Unmanned Mining Area of Sanshandao Gold Mine

Xingdong ZHAO1(),Nan ZENG1,Yumin CHEN2,Hui WEI1,Chenglong WANG2,Chenglu HOU2,Yunlong DU2,Chunchao FAN2   

  1. 1.Geomechanics Research Center,Northeastern University,Shenyang 110819,Liaoning,China
    2.Shandong Gold Group Co. ,Ltd. ,Jinan 250101,Shandong,China
  • Received:2020-07-26 Revised:2020-11-04 Online:2021-04-30 Published:2021-05-28

摘要:

为了建成国内首个井下无人采矿示范区,在三山岛金矿西山矿区选取-630 m中段至-645 m中段作为试验采场。通过工程地质调查,结合矿床地质、工程地质与岩石力学基础资料以及无人采矿设备的应用,提出采用下向中深孔落矿嗣后充填连续采矿法。该采场方法的各个开采中段与主斜坡道相通,设备可在各个中段之间按照开采计划进行调度;中段通过辅助斜坡道与各个分段相通,保证设备在生产中段内部的作业调度;各分段均布置采场联络巷与矿体连通,方便设备进入矿体进行凿岩、爆破、铲运等作业,有利于无人机械设备在各个地点通行作业。采矿过程涵盖了“掘—采—运—充—辅助”各工艺环节的连续无人作业过程,能够有效保障多类型无人开采装备安全、高效和连续化生产、运行,在保障矿山生产安全的同时,提高矿山生产能力,对我国未来矿业智能化发展具有推进作用。

关键词: 无人采矿, 采矿方法, 下向中深孔, 嗣后充填, 连续开采工艺, 三山岛金矿

Abstract:

The development of China’s mineral resources has gradually entered the depths,the difficulty of mining has increased significantly,and the safety risks have increased.At the same time,the ageing of China’s underground employees is serious and it is difficult to continue.The development of intelligent and even unmanned mining technology,reducing underground personnel,and improving production efficiency and safety are the inevitable choice and the only way for China’s deep resource extraction.At present,most of China’s metal mines have been mechanized and gradually developed toward intelligence.In order to build the country’s first underground unmanned mining demonstration area,the middle section of -630 m to -645 m was selected as the test stope in the Xishan mining area of the Sanshandao gold mine.The traditional mining method has a complicated mining process,and it is difficult to meet the work and scheduling of various unmanned equipment.Therefore,the continuous mining technology of the unmanned mining area in Sanshandao gold mine was studied.The design adopts downward medium-deep hole caving and subsequent filling mining method.The specific mining work of the mining method includes:The remote-controlled rock drill enters the rock-drilling tunnel in the section through the auxiliary ramp,and digs downward fan-shaped holes;The charge is filled with the detonating bomb unmanned filling system,the wireless detonation network and the remote control detonation system are built,realize remote initiation;Local fan forced ventilation is used for stope ventilation to ensure clear and visible equipment operating environment;Use unmanned scrapers to enter the stope for shoveling and loading of ore;After each mining room is completed,the filling work is carried out;After subsection mining is over,proceed to the next subsection.The unmanned continuous mining process covers the continuous unmanned operation process of each process of “digging-mining-transporting-filling-assisting”.This mining method can effectively guarantee the safe,efficient and continuous production and operation of multiple types of unmanned mining equipment,and the mine production capacity should be improved while safety of mine production is ensured,which will promote the future development of China’s mining intelligence.

Key words: unmanned mining, mining method, downward medium-deep hole, subsequent filling, continuous mining technology, Sanshandao gold mine

中图分类号: 

  • TD853

图1

三山岛金矿试验区域中段平面图"

图2

三山岛金矿试验区域三维模型"

图3

中深孔落矿嗣后充填连续采矿法"

图4

矿房回采顺序示意图"

图5

集控平台远程控制流程图"

图6

炮孔布置示意图"

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