Results 31 to 40 of about 4,725,858 (203)
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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Mechanism and control of strong ground pressure in fully mechanized mining face
, 2021 In order to ensure the safe use of the withdrawal roadway in the fully mechanized mining face of thick coal seam, taking the strong ground pressure behavior of the withdrawal roadway in 31102 working face of Nalinhe No.2 well as the method of combination
Hao, LI, Yin, ZHANG, Yi, ZHAO
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Study on the Structural System of Roof in Fully Mechanized Top Coal Caving
, 2011 Based on the structural characters of roof in fully mechanized top coal caving, mechanical analysis, mechanical calculation and simulation experiment were used to explore the particularity of roof structure in fully mechanized top coal caving.
Jie Shen +5 more
core +3 more sources
Design and application of automation control system of fully mechanized coal mining face
Gong-kuang zidonghua, 2014 In view of problem of low efficiency of automation coal mining on fully mechanized coal mining face, a design scheme of automation control system of fully mechanized coal mining face was proposed, composition and functions of the system were introduced ...
SUN Bingke, HE Yonghua
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Research of automation system integration of fully mechanized coal mining face
Gong-kuang zidonghua, 2014 The paper analyzed functions and problems of automation system of fully mechanized coal mining face, and studied automation integration solutions of fully mechanized coal mining face, which had guiding significance for implementation of automation of ...
XIA Huguo, SONG Weijun, YANG Xianguo
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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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Shock and Vibration, 2021 The conditions of the hard roof in my country vary greatly, ranging from a few meters to tens of meters or even hundreds of meters in thickness. The coal reserves under the hard roof account for about one-third of the total reserves.
Jiaxin Dang +3 more
semanticscholar +1 more source
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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