深部金属矿开采关键理论技术进展与展望 |
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引用本文: | 王勇,吴爱祥,杨军,杨钢锋,王珍岐,李健. 深部金属矿开采关键理论技术进展与展望[J]. 工程科学学报, 2023, 45(8): 1281-1292. DOI: 10.13374/j.issn2095-9389.2022.11.12.004 |
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作者姓名: | 王勇 吴爱祥 杨军 杨钢锋 王珍岐 李健 |
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作者单位: | 1.北京科技大学土木与资源工程学院,北京 100083 |
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基金项目: | 国家自然科学基金资助项目 (52130404 );中国矿业大学(北京)深部岩土力学与地下工程国家重点实验室开放基金课题资助项目(SKLGDUEK2127);中央高校基本科研业务费资助项目(QNXM20220002, FRF-TP-19-002C2Z,FRF-IDRY-GD22-004) |
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摘 要: | 深部岩体相比浅部岩体具有强流变性、强湿热环境和强动力灾害等差异,相关岩体力学理论和开采技术不再适用于深部金属矿开采.因此本文对深部岩体力学、深部建井提升、绿色开采、智能开采这4个金属矿深部开采的关键理论技术的研究现状进行综述,并针对性提出未来的研究重点.最后,基于现阶段深部金属矿开采的关键技术和理论的研究现状以及存在的问题,提出了发展和完善极深部岩体力学理论、进行原位流态化开采技术研究和应用以及建设超大型深部智慧化无人矿山这3个方面的展望.随着金属矿开采深度不断下降,亟需研究金属矿深部开采相关理论技术,确保深部金属矿产资源安全、高效、经济、环保地进行开采.
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关 键 词: | 深部金属矿 岩体力学 建井提升 绿色开采 智能开采 |
收稿时间: | 2022-11-12 |
Progress and prospective of the mining key technology for deep metal mines |
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Affiliation: | 1.School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, China2.State Key Laboratory for GeoMechanics and Deep Underground Engineering, China University of Mining & Technology (Beijing), Beijing 100083, China |
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Abstract: | Mineral resources are essential to human life and social development and play an important role in national security and economic development. China has huge reserves of metal mineral resources, but the per capita possession is low. Especially, it is difficult for iron, copper, aluminum, and other metal mineral resources to be self-sufficient and heavily dependent on foreign countries. Because of the massive exploitation of metal mineral resources, shallow resources are becoming exhausted, and deep mining will become the main force for the supply of metal mineral resources in the future. “Going deep into the earth” corresponds to the current state of national resource strategy development. It is found that there is still a certain gap between China’s deep metal mining technology and mining depth compared with internationally developed mining countries. The mining depth of foreign mining countries is mostly over 3000 m, with three South African mines having a mining depth of over 4000 m, whereas the mining depth of Chinese mines is mostly below 2000 m, and most of the metal mines have not yet broken through the kilometer depth. Furthermore, the level of mining technology in established mining countries abroad is high, and the degree of mechanization and intelligence is high. Deep mining technology in China is insufficient to meet the need for deep mining. China still has a large gap compared with internationally developed countries; therefore, the related rock mass mechanics theory and mining technology are no longer suitable for deep metal mining. In this paper, we summarize the research status of four major theories and technologies for deep mining of metal mines, namely, deep rock mechanics, deep well building and lifting, green mining, and intelligent mining, and proposes future research emphases. Finally, based on the research status and existing problems of the key technologies and theories of deep metal mining at present, the paper puts forward three strategic ideas: deep-part construction of a super-large intelligent autonomous mine, in-situ fluidized mining, and rock mechanics. With the continuous increase of mining depth, it is urgent to study the related theory and technology of deep mining of metal mines so as to ensure the safe, efficient, economical, and environmentally friendly mining of deep metal mineral resources and ensure the resource security of our country. |
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