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Mining Technology and Mine Management

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

  • Xingdong ZHAO , 1 ,
  • Nan ZENG 1 ,
  • Yumin CHEN 2 ,
  • Hui WEI 1 ,
  • Chenglong WANG 2 ,
  • Chenglu HOU 2 ,
  • Yunlong DU 2 ,
  • Chunchao FAN 2
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  • 1. Geomechanics Research Center,Northeastern University,Shenyang 110819,Liaoning,China
  • 2. Shandong Gold Group Co. ,Ltd. ,Jinan 250101,Shandong,China

Received date: 2020-07-26

  Revised date: 2020-11-04

  Online published: 2021-05-28

Highlights

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.

Cite this article

Xingdong ZHAO , Nan ZENG , Yumin CHEN , Hui WEI , Chenglong WANG , Chenglu HOU , Yunlong DU , Chunchao FAN . Design of the Medium-deep Hole Caving and Subsequent Filling Continuous Mining Technology in Underground Unmanned Mining Area of Sanshandao Gold Mine[J]. Gold Science and Technology, 2021 , 29(2) : 200 -207 . DOI: 10.11872/j.issn.1005-2518.2021.02.134

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国家矿山安监局:坚决遏制矿山重特大事故

4月14日,国家矿山安监局召开全国矿山安全生产紧急视频会议,认真学习贯彻落实习近平总书记关于安全生产重要指示精神,贯彻落实李克强等中央领导同志重要批示要求,深刻汲取近期矿山事故教训,以全面开展矿山安全生产大排查为抓手,深入推进专项整治三年行动集中攻坚,推进全国矿山安全生产形势持续稳定向好,为庆祝建党100周年营造良好的安全生产环境。

会议指出,当前矿山安全生产形势极为严峻复杂,近期事故暴露出一些地区和企业安全发展理念树得不牢、重大灾害治理不到位、企业主体责任不落实、安全生产大排查不认真和监管监察执法宽松软等突出问题。同时,还面临矿产品价格持续高位运行、天气变暖、雨水增多、矿山集中复工复产等带来的安全风险。必须坚持底线思维,有效防范化解安全风险,强化隐患排查治理,坚决遏制矿山重特大事故。

会议要求,各地、各有关部门和矿山企业要立足“两个根本”全面深入开展安全生产大排查,坚持加强领导带头抓排查、突出重点抓排查、集中攻坚抓排查,着力解决深层次问题和突出问题。要全面普查隐蔽致灾因素,强化煤矿瓦斯和水害等重大灾害超前治理,立即开展“雨季三防”专项检查,健全汛期应急处置机制,落实极端天气停产撤人措施。要开展打击超层越界开采和超能力超强度超定员生产、违法违规转包分包和托管等专项整治,严厉打击违法违规生产建设行为。要着力提高安全监管监察质量,强化分类分级监管监察执法和远程监管监察,严格事故查处和责任追究。要大力推进矿山安全高质量发展,坚持基础建设硬件与软件相结合,严格准入与淘汰退出相结合,切实提高安全保障能力。

会议强调,要进一步提高政治站位抓落实,坚持把“两个至上”作为根本价值遵循,把实现“零死亡”作为最坚定的信念,对违法违规行为实施“零容忍”。要切实转变工作作风抓落实,坚持自我革命和刀刃向内,认真反思、剖析原因,务求工作取得实效。要勇于担当作为抓落实,发扬兜底精神,不断增强防范化解安全风险的真本领,坚决守住安全生产底线。

http://www.goldsci.ac.cn/article/2021/1005-2518/1005-2518-2021-29-2-200.shtml

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