Results 21 to 30 of about 2,064 (256)
Technological schemes of coal extraction in closed mines with the use of backhoes [PDF]
E3S Web of Conferences, 2021 At the present time on the fields of operating and closed-down mines there are sections of open-pit operations. However, the adopted technology does not meet environmental requirements, there are no scientific recommendations on the technology of open ...
Makarov Vladimir +2 more
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Discussion on the stability evaluation standard of a rock slope in a noncoal open-pit mine
工程科学学报, 2022 As an important way to obtain mineral resources, open-pit mining has accounted for about 77% of the total production of the mined iron ore, and about 52% of the total production of non-ferrous ore, indicating huge development potential.
Shun-chuan WU +5 more
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Meikuang Anquan, 2020 This paper first analyzes the existing problems of open-pit coal mine from the perspective of industry background, policy guidance, management and control concept, expounds the necessity of establishing intelligent mine, studies the definition, overall ...
HE Shuai, WANG Haiyang, ZHAO Li
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Study on direction of coal utilization in open-pit mine based on VIKOR method
Meikuang Anquan, 2021 During the production of open pit coal mine, coal seams with different natural index values of coal quality are often mined at the same time. In view of this phenomenon, the market competitiveness of enterprises can be improved through the balance of ...
YANG Fuqing, ZHOU Wei, LU Xiang, TIAN Ya, KONG Ruiqian, CAI Qingxiang
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Reasonable coal pillar design and remote control mining technology for highwall residual coal resources [PDF]
Royal Society Open Science, 2019 Highwall mining (HWM) technology is an efficient method for exploiting residual coal resources in Chinese open-pit coal mines. However, on-site personnel and equipment can be damaged by the instability of the highwall mining residual coal pillars and ...
Fangtian Wang, Cun Zhang
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Meitan kexue jishu, 2023 Due to the discontinuity of the stripping project in seasonal stripping open-pit coal mines, the untimely advance distance of the working slope is huge. In order to reduce the advance stripping and save the stripping distance, research was carried out on
Guangwei LIU +3 more
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Gong-kuang zidonghuaAt present, research on fault diagnosis of mine belt conveyors mainly focuses on three aspects: single-signal detection, traditional algorithm modeling, and multi-feature fusion.
LI Zhongfei +6 more
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Mathematics, 2022 The stability of an open-pit slope is an extremely important factor related to the safe production of an open-pit mine. It is the first safety technical problem encountered and should be solved in the process of mine design and production.
Xiaoyan Du, Jinfei Chai
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Small Target Detection Model for Open-Pit Coal Mines Based on UAV Perspective
IEEE AccessTo address issues such as missed detection of small targets, low computational efficiency, and difficulties in deploying on edge devices encountered in the detection of uncrewed mining trucks under the complex environment of open-pit coal mines, this ...
Kuan Lv +4 more
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Meikuang AnquanTo address the challenges of non-uniform grout diffusion and the difficulty in forming a continuous water cutoff curtain in water-rich muddy silt layers of open-pit coal mines, a novel method combining high-pressure pulsed gas pre-splitting for soil ...
Yan FENG +5 more
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