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Overview of standard and technology development of underground explosion-proof electrical equipment
Gong-kuang zidonghua, 2015 The paper summarized coal mine underground explosion-proof electrical technique and its development, emphatically introduced the actualities and development trend of coal mine underground explosion-proof electrical standards, analyzed and studied the ...
GAO Peng +3 more
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Underground gravity survey in a coal mine [PDF]
Podzemni radovi, 2014 Underground gravity surveys are usually conducted in order to define geological structures and to locate and delineate ore bodies. In the coal mines, on the other hand, these surveys are often applied in solving stability and safety problems of the mine. Basic principals of underground gravity measurements and examples of application in coal mining are
Vasiljević Ivana +2 more
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A modern vision of simulation modelling in mining and near mining activity [PDF]
, 2018 The paper represents the creation of the software simulation system, which reproduce the basic processes of mining and near production. It presents the consideration of such systems for both traditional and non-traditional
Cabana, Edgar +12 more
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Gong-kuang zidonghua, 2018 Due to affects of clock synchronization error, clock timing error, multipath effect, not line of sight （NLOS）delay error, electromagnetic disturbance between positioning substation and positioning card, it has large positioning error in the existing ...
SUN Zhexing, WANG Yanwen
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Overall requirements for an advanced underground coal extraction system [PDF]
, 1980 Underground mining systems suitable for coal seams expoitable in the year 2000 are examined with particular relevance to the resources of Central Appalachia. Requirements for such systems may be summarized as follows: (1) production cost; (2)miner safety;
Goldsmith, M., Lavin, M. L.
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Original experimental platform system and application of underground coal mine reservoirs
Meitan xuebaoCoal is the main energy source in China, and the western region in China is the main coal production area. The protection and utilization of coal mine water is the major technical challenge in the coal mining. The coal green mining research team of China
Dazhao GU +12 more
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Application of coal mine roof rating in Chinese coal mines
International Journal of Mining Science and Technology, 2018 The coal mine roof rating (CMRR) is a measure of roof quality or structure competency for bedded roof types typically of underground coal mines. The CMRR has been used widely in the US, South Africa, Canada and Australia.
Yongyin Wang, Abbas Taheri, Xianbi Xu
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Technology and engineering test of filling goaf with coal gangue slurry
Scientific Reports, 2023 Based on the greening and low interference disposal requirements of coal gangue in high-yield and high-efficiency mines in Inner Mongolia and Shaanxi, and by integrating the existing theories and technologies such as underground filling technology of ...
Shengrong Xie +7 more
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Data on methane concentration collected by underground coal mine sensors
Data in Brief, 2021 Coal mining requires working in hazardous conditions. Miners in an underground coal mine can face several threats, such as, e.g. methane explosions.
Michał Kozielski +2 more
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Miraculous Survival of Three Trapping Miners by Drinking High Mineral Mine Water for 25 [PDF]
, 2010 Little is known that how long a human been can survive a complete starvation. There were dozens of miners who lost their lives in a coal mine disaster at Qinglong,Guizhou,China in June 2009, only three of them were rescued 25 days later after they had ...
Cheng C. Liang +3 more
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