Results 91 to 100 of about 800 (179)
Clarity method of fog and dust image in fully mechanized mining face [PDF]
At present, the abnormal state of equipment and surrounding rocks in the fully mechanized mining face is mainly detected by visual methods. However, the vision sensor works in a low-light environment and it is affected by factors such as water fog and ...
Zhang, G +5 more
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Research and exploration of longwall fully mechanized mining in steeply dipping coal seams
Meitan kexue jishuTo address the challenges of safe and efficient mining in steeply dipping coal seams in China and support the intelligent transformation of the coal industry, this article focuses on fully mechanized longwall mining technology for such seams.
Yongping WU +10 more
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Idea of whole design of unmanned fully-mechanized coal mining face and its implementation method
Gong-kuang zidonghua, 2013 Unmanned or lee-manned fully-mechanized coal mining face is a core topic about coal mine safety. A view was pointed out that automatic coal mining should be pondered on from the whole fully-mechanized system, and fully-mechanized equipments should be ...
FU Guo-jun, YANG Ming-liang, XU Tai-shan
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Gong-kuang zidonghuaThe existing straightness evaluation methods for fully mechanized mining faces adopt planar straightness, describing straightness through information from a single piece of equipment such as a hydraulic support or a scraper conveyor, without considering ...
LIU Kun +5 more
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Gong-kuang zidonghua, 2014 For problems of complex hardware structure, high cost, oversized and non-ideal heat dissipation existed in current domestic monitoring and control system of conveyor equipment of fully mechanized coal face of coal mine, a design scheme of monitoring and control platform of conveyor equipment of fully mechanized coal face based on embedded technology ...
DU Yan +4 more
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, 2018 When mining the fully-mechanized longwall caving face along strike, the unstable equipment, the low top-coal recovery ratio and the difficulty in controlling surrounding rock may occur due to large dip angle.
Ma Liqiang +3 more
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Frontiers in Computing and Intelligent SystemsThis paper proposes a high and low frequency filtering denoising algorithm based on Complete Ensemble Empirical Mode Decomposition with Adaptive Noise (CEEMDAN). CEEMDAN to address the issue of noise in speech signals obtained in the environment of fully mechanized mining face equipment trains.
Hanhan Wu, Rongpeng He, Tao Dou
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, 2019 16 hydraulic fracturing holes were designed in 1310 fully mechanized mining face. Each hydraulic fracturing hole features with the 50～55°between drilling holes and horizontal plane, the vertial side wall of roadway, the distance between drilling holes as
Fajun Zhao (6949394)
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Review on application of fully-mechanized mining equipment technologies based on digital twin
Meitan kexue jishuAdvancing the intelligent development of mines is a crucial pathway to enhance the safety, efficiency, and green development of the coal industry. As a new-generation information technology, digital twin technology provides important support for the ...
Ying TIAN +5 more
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Practice and prospects of fully mechanized mining technology for thin coal seams in China
, 2012 In China, thin coal seams are rich in resources but are technically challenging. The mineable reserves in these seams account for 20.4% of the total coal resources, while the current production accounts for only 10.4% of the total annual production ...
F Wang (7715261) +2 more
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