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Key technologies and practices for safe, efficient, and intelligent mining of deep coal resources
Meitan kexue jishuThe geological conditions of deep coal resources are complex, and intelligent mining is the only way for the safe, efficient, and green development of deep coal resources. The complete set of intelligent mining technology and equipment that adapts to the
WEI LI, Xikui SUN
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, 2020 The mining spatial structure of isolated island face in extra-thick fully mechanized top-coal caving mining is unique, which leads to a complex mining stress distribution and serious safety hazards.
Min Tu, Qingwei Bu, Yu Wang, Baojie Fu
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Meitan xuebaoFully-mechanized caving mining with super-large mining height is an effective method for safe and efficient mining of thick and extra-thick coal seams. Aiming at the problem of poor top coal caving ability at the end of fully-mechanized caving mining in ...
Ying MA +3 more
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Key technologies and demonstration of unmanned steeply inclined short-wall fully mechanized top-coal caving intelligent mining [PDF]
Since the 14th Five-Year Plan, my China’s coal mine digital intelligence technology has developed rapidly, especially in thin coal seam mining. However, the unmanned intelligent mining technology of steeply inclined short-wall fully mechanized caving is ...
Xin TIAN +10 more
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, 2011 The size of the fully mechanized caving face is optimized by theoretical analysis and the dip length of the face is determined as 260m. With the method of numerical simulation, the reasonable cutting height of the face is determined as 3.5m and the ...
Shan Chao Hu +2 more
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Method of tail beam posture prediction of top coal caving hydraulic support based on LSTM
Meitan kexue jishuFully mechanized caving is the main mining method for extra-thick coal seams in my country. The control accuracy of the caving actuator depends largely on the data feedback of the tail beam posture.
Yupeng YAO, Jinglin ZHANG, Wu XIONG
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, 2017 In mining process, the height of water flowing fractured zone is important significance to prevent mine of water and gas, in order to further research the failure characteristic of the overlying strata.
Nur Asiha Binti Sazali
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A multifactor coupling prediction model for the failure depth of floor rocks in fully mechanized caving mining: a numerical and in situ study. [PDF]
R Soc Open Sci, 2019 Jiang Y, Cai T, Zhang X.
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, 2018 The multichannel retracement in the auxiliary laneway has become one of the key technologies in the high-yield and high-efficiency production of large and extra-large coal mines in western China.
Zhongxi Jiang, Liu Fei
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Scientific ReportsIn the mining process of the II1 coal seam at Zhaogu No. 2 coal mine, a method of stratified mining is employed, leaving relatively wide coal pillars in sections.
Du Feng +6 more
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