金属矿深部开采现状与发展战略

Current status and development strategy of metal mines

  • 摘要: 在调研国内外众多金属矿山和收集大量相关文献的基础上, 综述了国内外金属矿山开采现状及研究进展, 聚焦深部开采主要工程技术难题, 从开采动力灾害预测防控、深井高温热害控制治理、深井提升、深井开采方法工艺变革、深部选矿新技术、智能无人采矿这六个方面, 提出了解决我国深部开采难题的战略建议, 结果表明: (1)5000m开采深度将会是我国金属矿深部开采中长期战略研究目标; (2) 无绳垂直提升技术具有提升效率高, 使用限制少的特点, 建议我国重点针对此类技术装备研发; (3)将深部矿产资源开采与深部能源开发相结合, 可以有效降低深部降温成本, 是解决深部采矿经济性的新途径; (4) 新一代采矿技术需对原有的采矿模式和开采工艺进行变革, 机械连续切割破岩技术是未来超深矿井建设的重要发展方向; (5) 充填法是保证深部开采安全最有效的方法之一,应对充填材料、充填工艺进行更深入的研究; (6) 我国尚不具备全面推广遥控智能化无人采矿的条件, 可以通过产学研联合攻关等方式逐步提高矿山生产自动化和遥控智能作业水平.

     

    Abstract: Mineral resources provide an importantmaterial basis for a country's economic and social development.After decades of large-scalemining, the shallow-metalmineral resources of China have been reduced annually and the development ofmetal resources has reached the stage of comprehensive promotion of deepmining at present.Based on the investigation of a number ofmines in China and abroad and an extensive review of the relevant literature, this study summarizes the present situation and research progress ofmetalmining by focusing on themain technical engineering problems of deepmining and proposing some strategic recommendations to solve the problems of deepmining from six aspects, including the prediction and prevention of dynamicmining disasters, the control of hightemperature thermal environments and treatment of hazards, deep-well hoisting, deep-wellminingmethod and technology reform, new technology for deepmineral processing, and intelligent unmannedmining.The results include the following: (1) Themedium and long-term strategic research target for the deepmining ofmetals in China will be the depth of 5000m.(2) High efficiency and less restriction are characteristics of the cordless vertical lifting technology, which suggests that China should focus on the research and development of this technology and related equipment.(3) Combining themining of deepmineral resources with that of deep energy resources can effectively reduce the cost of deep cooling and offers a new way to solve the economic challenges of deepmining.(4) Newgenerationmining technologies need to change the original mining models and technologies, and the continuous mechanical cutting and rock breaking technology represent an important development direction for the future construction of ultra-deepmines.(5) The fillingmethod is one of themost effectivemethods for ensuring deep-production safety, and further research is needed on the fillingmaterial and filling process.(6) The conditions necessary for comprehensively promoting remote intelligent unmannedmining in China do notyet exist, andmining progress can be facilitated by university-industry collaboration.

     

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