Results 1 to 10 of about 2,129 (172)

Research and application of key technology of intelligent coal caving in high gas fully-mechanized top coal caving face [PDF]

Meitan kexue jishu, 2023
At present, intelligent coal caving in high gas fully mechanized top coal caving face is facing many problems, mainly including poor recognition accuracy of coal gangue, incomplete control research on coal flow and gas concentration, cumbersome design ...
Yao CUI, Jinghong WU, Zhuang YE, Senlang ZHANG   +3 more
doaj   +4 more sources

Theory and key technologies for intelligent fully-mechanized top-coal caving faces of annual production of millions of tons [PDF]

Meitan kexue jishu
The research focused on addressing various challenges in intelligent top caving theory, intelligent perception and recognition key technology, intelligent caving comprehensive decision-making technology, and remote caving intelligent control technology ...
Bin YU, Yang TAI, Gang XU, Yong LI, Dongyin LI, Shibo WANG, Tiejun KUANG, Ercun MENG   +7 more
doaj   +4 more sources

Application of intelligent top-coal caving technology in overlying aquifer protection of extra-thick coal seam [PDF]

Meitan kexue jishu
The grassland areas in eastern Inner Mongolia and northern Xinjiang are rich in coal and groundwater resources. The mining fissures formed by high-intensity coal mining are easy to lead to the strong water-rich aquifer, and it is very easy to cause the ...
Weixuan CHENG, Jingchuan CHEN, Lihui ZHANG, Shengyou LIU, Xin HE, Weidong PAN   +5 more
doaj   +4 more sources

Study on Intelligent Identification Method of Coal Pillar Stability in Fully Mechanized Caving Face of Thick Coal Seam [PDF]

Energies, 2020
The combination of coal precise mining and information technology in the new century is one of the important directions for the future development of coal mining.
Jingjing Dai, Pengfei Shan, Qi Zhou
doaj   +4 more sources

Intelligent decision-making method for coal caving based on fuzzy deep Q-network

Gong-kuang zidonghua, 2023
During the coal caving process in the fully mechanized caving face, due to the impact of coal dust and dust water mist on the workers' line of sight, there are problems of over-caving and under-caving in manually controlled coal caving. In order to solve
YANG Yi, WANG Shengwen, CUI Kefei, FEI Shumin   +3 more
doaj   +2 more sources

Research on key technology of intelligent fully mechanized caving face construction in Baode Coal Mine

Gong-kuang zidonghua, 2023
The current research achievements in the construction of intelligent fully mechanized caving face lack systematic implementation case for a specific fully mechanized caving face.
WU Xicang, ZHANG Xueliang, RUAN Jinlin, WANG Zhiqiang   +3 more
doaj   +2 more sources

Vibration response difference of caving mechanism under coal rock impact based on mechanical–hydraulic coupling [PDF]

Scientific Reports, 2023
Top coal caving in fully mechanized caving mining will cause an irregular impact on the caving mechanism of hydraulic support. The vibration response of the caving mechanism varies under different forms of impact.
Yanpeng Zhu, Qingliang Zeng, Lirong Wan, Yang Yang, Zhe Li   +4 more
doaj   +2 more sources

Influences of coal-rock interface morphology’s spatiotemporal evolutionary characteristics on top coal caving law [PDF]

Scientific Reports
The work examined how the spatiotemporal evolution of the coal-rock interface morphology affected the top coal caving ratio. The geological conditions of the 3307 fully mechanized caving face at Tang’an Coal Mine served as the research context.
Yupeng Shen, Tuo Yang, Jianzhuang Liu, Yang Li, Jianqiao Luo, Xiaonan Zhang   +5 more
doaj   +2 more sources

Research progress on intelligent coal caving theory and technology

Gong-kuang zidonghua
The longwall top-coal caving technology is an effective method for extracting thick and ultra-thick coal seams, and it has become a hallmark technology in China's coal mining industry.
WANG Jiachen, YANG Shengli, LI Lianghui, ZHANG Jinwang, WEI Weijie   +4 more
doaj   +2 more sources

Current status and prospects of surrounding rock control and intelligent coal drawing technology in fully mechanized caving face

Gong-kuang zidonghua
This paper analyzes the current status and existing issues in the control technology of surrounding rock and intelligent top coal caving technology for thick and ultra-thick coal seams in fully mechanized caving faces.
PANG Yihui, GUAN Shufang, JIANG Zhigang, BAI Yun, LI Peng   +4 more
doaj   +2 more sources