金属矿山开采技术发展现状与展望

Current status and prospects of mining technology in metal mines

  • 摘要: 金属矿产是人类生存和发展的重要物质基础,是国家安全与经济发展的战略资源和重要保证,其中关键金属矿产资源尤为突出,成为当代大国博弈的焦点. 为了保障国家战略资源的稳定供给,全球矿业强国纷纷布局矿业开发科技攻关计划,以此大力发展矿山先进开采技术. 近年来,我国矿产开采技术取得了惊人的进步,但由于起步较晚,相比矿业发达国家仍存在一定差距. 在此背景下,梳理国内外矿产资源开采技术现状,分析我国与矿业强国差距,进而为我国矿山行业的技术发展指明方向. 本文从矿山规模、工艺装备和软件技术三个角度开展调研分析,结果表明,当前我国采矿技术与国际先进水平的差距主要表现在露天开采智能化无人化技术、地下开采深部化智能化技术和矿业软件的研发与应用等方面,凝练出立足国家资源开发战略和采矿技术发展趋势的影响我国金属矿开采水平的四类技术—卡脖子技术、基础性技术、紧迫性技术和前瞻性技术,并逐一提出了重点技术攻关建议.

     

    Abstract: Metallic mineral resources are essential for human survival and development and serve as a critical material foundation for national security and economic prosperity. Among these, critical metallic minerals have become a focal point in the geopolitical competition between major powers in the contemporary landscape. To secure a stable and reliable supply of these strategic resources, leading mining nations are increasingly investing in scientific and technological initiatives aimed at advancing mining development, with a strong emphasis on improving mining technologies. In recent years, China has made significant strides in mining technologies; however, owing to its relatively late entry into the sector, a noticeable gap remains between China and more developed mining nations. The current study aims to review the state of mining technologies both domestically and internationally, analyze the disparities between China and leading mining powers, and provide strategic guidance for the technological development of China’s mining industry. This research offers a comprehensive analysis from three key perspectives: mining scale, process equipment, and software technology. The findings can be summarized as follows: (1) Owing to limitations in resource endowments and technological capabilities, Chinese metallic mines show considerable discrepancies in both production scale and mining depth compared with the world’s leading mines. This gap is particularly noticeable in ultra-deep mining, where practical experience is especially lacking. (2) Future mining technologies that require urgent attention can be categorized into four types based on their criticality and urgency: bottleneck technologies, foundational technologies, urgent technologies, and forward-looking technologies. (3) The current “bottleneck” technical challenges facing China’s mining sector include the development of intelligent and unmanned technologies for open-pit mining, advanced deep mining technologies for underground operations, and the research and application of specialized mining software. (4) The urgent technologies identified in this study include precise detection and safety management technologies for goaf areas, ultra-large-scale filling mining technologies for metallic mines, and intelligent ore grade detection technologies. (5) Foundational technologies encompass rock mechanics modeling for deep mining, multi-scale fracture simulation processes under geothermal system rock–hydraulic coupling, and dynamic control theories for managing disasters associated with deep mining activities. (6) Forward-looking technologies include a range of innovations, such as new transportation technologies for deep open-pit mines, advanced deep-well lifting techniques, novel efficient rock-breaking technologies, integrated mining and beneficiation technologies, co-extraction methods for both mineral and geothermal resources, and fluidized mining techniques for metallic minerals. To address these findings, it is recommended to develop systematic strategies for the four categories of technologies, prioritizing efforts to overcome bottleneck technologies. Accelerating research and development of urgent technologies is essential for achieving short-term breakthroughs while laying a solid groundwork for foundational technologies and fostering innovation in forward-looking technologies to drive future advancements in mining. The government should take an active role in promoting the establishment of high-level intelligent mining laboratories through collaboration among research institutions, universities, and industry leaders with technological expertise. These initiatives will expedite solutions to bottleneck technologies that hinder intelligent construction and support the development of advanced, high-precision mining equipment. Ultimately, these efforts will ensure the sustainable and high-quality development of China’s mineral resources, strengthen its mining industry, and enhance its competitive standing in the global market.

     

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