Results 11 to 20 of about 2,118 (255)
Investigation on flow field characteristics in an open-pit coal mine [PDF]
Environmental Science and Pollution Research, 2021 Abstract In this paper, the atmospheric flow field characteristics in a deep open-pit mine are investigated numerically and theoretically. A theoretical model on the recirculation length based on the energy equation is used, a total variation diminishing (TVD) difference scheme with second order accuracy is used to solve the NS equations with a
Wanjun, Tang +3 more
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Analysis of the impact of rock joint cracks on blastability of burnt rock in Xinjiang open pit coal mines [PDF]
Scientific ReportsIn response to the problems of developed rock fractures and unsatisfactory bench blasting effects in open-pit coal mines in Xinjiang, China, By using on-site research, theoretical analysis, numerical simulation and other methods, the main influencing ...
Ziling Song, Yu Wen, Zhengzhao Jia
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Study on Optimization of Coal Truck Flow in Open‐Pit Mine [PDF]
Advances in Civil Engineering, 2020 A semicontinuous process system consisting of a single‐bucket excavator, truck, crushing station, and belt conveyor is the main coal mining process system of a large‐scale hard coal open‐pit mine. Through analyzing the coal mining production process, the key issues of coal mining truck flow optimization are obtained.
Haiming Bao, Ruixin Zhang
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Landslide mechanism and stability of an open-pit slope: The Manglai open-pit coal mine
Frontiers in Earth Science, 2022 Abstract A clear understanding of landslide mechanisms and stability analyses is of great significance for landslide monitoring, prediction, and control. A large-scale end wall landslide occurred on August 7–20, 2020, in the Manglai open-pit coal mine, China.
Tao Chen +3 more
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Platform Design and Key Technology Application of Autonomous Haulage System in Open-pit Coal Mines
Kongzhi Yu Xinxi Jishu, 2022 In view of the problems of high-cost, high-risk and low efficiency existing in the transportation system of open-pit coal mines, this paper puts forward a platform construction idea of deep integration of information technology and mining technology, and
HE Aiping
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Meikuang Anquan, 2022 Using SBAS-InSAR based on StaMPS and taking Antaibao Open-pit Coal Mine as research area, this paper carries out time series interferometry processing on 33 sentinel ascending and descending images, extracts ground deformation information of open pit ...
SUN Jun, ZHANG Jin
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Research Progress on Extraction Technology of Rare Earth Elementsfrom Coal Ash
Kuangchan zonghe liyong, 2023 This is an essay in the field of mining engineering. High-value utilization of rare earths in fly ash can effectively alleviate the environmental pollution caused by fly ash in my country, expand the supply chain of rare earth raw materials, and ensure ...
Zhijuan Gao, Xiangren Wang
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Research on unmanned driving system of mine-used truck
Gong-kuang zidonghua, 2021 With the deep exploration of large open-pit coal mines, the phenomenon of steep slopes and many bends has gradually increased. Moreover, the mine-used truck driving is difficult and there are hidden safety hazards.
YAN Ling1, HUANG Jiade2
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Research on emergency management system of unmanned transportation system in open-pit coal mine
Gong-kuang zidonghua, 2022 With the development of the intelligent mine, open-pit coal mine unmanned transportation system has gradually carried out experimental applications. But the application of new technologies brings new management challenges.
XUE Qiwen +4 more
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Meikuang Anquan, 2022 In order to explore the influence of coal seam spontaneous combustion process on slope stability, the slope slip process under different coal seam spontaneous combustion depths was simulated by using FLAC3D based on the engineering background of Hequ ...
LUO Ke, GAO Yu, ZHANG Bin
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