Results 1 to 10 of about 2,064 (256)

Optimization study on transverse mining zoning during the capacity expansion stage of nearly horizontal open-pit coal mines [PDF]

Scientific Reports
To address key challenges during the capacity expansion of the Baoqing Chaoyang Open-Pit Coal Mine from 7 to 11 Mt/a—such as insufficient working-line length, excessive advancing intensity, poor coordination between mining zones, elevated internal dump ...
Yu Wen, Ziling Song, Qianjun Su, Zhongwei Liu, Changshuai Wu, Long Zhang   +5 more
doaj   +2 more sources

Pumped storage hydropower in an abandoned open-pit coal mine: Slope stability analysis under different water levels

Frontiers in Earth Science, 2022
Many coal mines are being abandoned for economic and environmental reasons in China. The repurposing of abandoned open-pit coal mines into pumped storage hydropower (PSH) can help with the storage of renewable energy, improve mine environments, and ...
Feiyue Liu, Feiyue Liu, Feiyue Liu, Ke Yang, Tianhong Yang, Yuan Gao, Jinduo Li, Qinjie Liu, Qiang Fu   +8 more
doaj   +3 more sources

Blasting ore size detection based on efficient dehazing network and multi-dimensional feature fusion [PDF]

Scientific Reports
Ore particle size distribution is an important metric for evaluating blasting outcomes and affects the energy consumption of ore crushing equipment. Faced with dense accumulation of ore, nonuniform size distributions, dust occlusion, and target loss due ...
Pingfeng Li, Shoudong Xie, Wanzhong Zhang, Deming Chen, Sheng Peng, Weibin Fang, Dehao Zeng   +6 more
doaj   +2 more sources

Dust dispersion and prevention in deep concave open-pit coal mines [PDF]

Scientific Reports
To address dust diffusion in deep concave open-pit coal mines, this study examined Fushun East open-pit coal mine in Liaoning Province, a deep concave open-pit coal mine.
Yifang Long, Ziling Song, Leng Wu, Yu Wen   +3 more
doaj   +2 more sources

Dynamic optimization of open-pit coal mine production scheduling based on ARIMA and fuzzy structured element

Frontiers in Earth Science, 2023
A dynamic optimization method was created to address the production schedule issue in an open-pit coal mine while taking into account the characteristics of the fuzzy structured element.
Guangwei Liu, Weiqiang Guo, Ensan Fu, Ensan Fu, Chuanda Yang, Jiaming Li   +5 more
doaj   +3 more sources

Study on Crust-Shaped Dust Suppressant in Non-Disturbance Area of Open-Pit Coal Mine—A Case Study [PDF]

International Journal of Environmental Research and Public Health, 2023
Zhongchen Ao, Zhiming Wang
exaly   +2 more sources

Analysis of the impact of rock joint cracks on blastability of burnt rock in Xinjiang open pit coal mines [PDF]

Scientific Reports
In 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
doaj   +2 more sources

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
doaj   +3 more sources

Ground deformation monitoring of open-pit coal mine based on SBAS-InSAR and offset tracking techniques

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
doaj   +1 more source

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
doaj   +1 more source