Results 21 to 30 of about 1,143 (178)
Gong-kuang zidonghua, 2020 Due to the difference between fully-mechanized caving face and single stoping process face, there would be a big error in predicting gas emission rate on fully mechanized caving face by use of AQ 1018-2006 The Predicted Method of Mine Gas Emission Rate ...
WANG Xiaopeng
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Design and Application of Automatic Control System for Fully Mechanized Mining Face in Coal Mine
Advances in Multimedia, 2022 In order to improve the automatic control effect of fully mechanized mining face in coal mine, this paper combines the literature research method to analyze the disadvantages of traditional research and combines the demand analysis to analyze the structure of the automatic control system of fully mechanized mining face in coal mine.
Zhi Yuan, Huanlei Chi, Yan Cao
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Sudden change mechanism of mine pressure in fully mechanized caving face and its countermeasures
Meikuang Anquan, 2022 In view of the sudden change of mine pressure in 226 upper 02 fully mechanized caving face of Huangyuchuan Coal Mine, the mechanism and countermeasures of sudden change of mine pressure in fully mechanized caving face are studied by using the methods of
LI Yong, WANG Zhuoying
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Gong-kuang zidonghua, 2019 At present, there are problems about few application research of WiFi communication in the specific environment of fully mechanized coal mining face, propagation characteristics of WiFi signal on the fully mechanized coal mining face were analyzed ...
GAO Siwei, LI Se
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Gong-kuang zidonghua, 2014 The paper introduced key technologies of automatic fully-mechanized top-coal caving face with large mining height, including automatic control of hydraulic support, machinery-tracked automation, automation of coal caving, remote control, lighting and low
FAN Zhizhong
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Gong-kuang zidonghua, 2020 In the context of intelligent fully mechanized caving and mining, it is important to consider not only the cutting by the shearer, but also the coal caving at the back of the support and top coal recovery.
HAN Xiuqi +4 more
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Research on Dust Source Traceability Based on Dust Migration Law in Working Area of Large Mining Height Fully-mechanized Face [PDF]
E3S Web of Conferences, 2022 The dust control basis of fully mechanized mining face is clear dust source characteristics. In view of the problem of unclear dust source and unknown distribution characteristics in the working area of 7.8 m large fully mechanized mining face, the fully
Li Zhi, Ma Wei
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Gong-kuang zidonghua, 2022 The coal resources in Xinjiang are shallowly buried, the coal seam is thick, resulting in poor top coal caving and drawing. And the roof is overhanging in a large area, which makes it impossible to achieve safe and efficient top coal mining.
SUN Qiang +6 more
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Meikuang Anquan, 2021 Aiming at the problem of over-limit gas in the return air corner of the “U” type downward ventilation fully mechanized caving face in Baode Coal Mine, the law of gas migration in the stope and goaf was studied. Using Fluent numerical simulation software
ZHANG Zenghui, XUE Yanping
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Determination on Reasonable Mining Height and Top Coal Caving Technology in Huating Coal Mine
Meikuang Anquan, 2020 In view of the problems, such as coal wall spalling, roof caving and low recovery rate of top coal in 250107-1 fully mechanized caving face of Huating Coal Mine at present, the method of combining FLAC3D numerical analysis and theoretical calculation ...
QIAO Zhongdong, QU Ying, YANG Guohong, LIU Biao
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