Results 21 to 30 of about 4,720,782 (169)

Research on the Mechanism and Control of Spalling on 8 m Fully Mechanized Mining Face in Huoxi Coalfield

open access: yesApplied Sciences
The great success of fully mechanized mining with a large mining height of 8 m and above in Mongolia and Shaanxi proves the feasibility of this technology. Although fully mechanized mining with a large mining height significantly increases the production
Lin Meng   +3 more
doaj   +2 more sources

Development status and prospect on key technical equipment of high efficiency fully mechanized mining in super high and super long working face [PDF]

open access: yesMeitan kexue jishu
As an important energy support for China”s economic development, coal will remain dominant in energy consumption for a period of time in the future.
Mingzhong LI   +10 more
doaj   +2 more sources

Research on information model of coal mine fully mechanized mining equipment based on industrial Internet

open access: yesGong-kuang zidonghua
The equipment for coal mine fully mechanized working faces comes from different manufacturers, with inconsistent interfaces, different data systems and business logic, resulting in data barriers and slow data exchange between systems.
PAN Wenlong   +5 more
doaj   +2 more sources

Design of Automatic Combination Cutting-and-conveying Unit of Fully Mechanized Coal Face

open access: yesGong-kuang zidonghua, 2011
In order to improve automation level and production efficiency of fully mechanized coal face, the paper proposed a design scheme of automatic combination cutting-and-conveying unit of fully mechanized coal face.
GONG Fu-zhang   +5 more
doaj   +1 more source

Mechanism and control of strong ground pressure in fully mechanized mining face

open access: yes, 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
core   +1 more source

Study on the Structural System of Roof in Fully Mechanized Top Coal Caving

open access: yes, 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

open access: yesGong-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
doaj   +1 more source

Research of automation system integration of fully mechanized coal mining face

open access: yesGong-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
doaj   +1 more source

Sudden change mechanism of mine pressure in fully mechanized caving face and its countermeasures

open access: yesMeikuang 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
doaj   +1 more source

Research on application of fast roaming and Mesh network technology of WiFi communication on fully mechanized coal mining face

open access: yesGong-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
doaj   +1 more source

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