Results 31 to 40 of about 4,472,603 (224)

Numerical Simulation Study on Law of Dispersive Pollution of Dust in Fully Mechanized Mining Face

Meikuang Anquan, 2020
Aiming at the problem of dust movement in the fully mechanized mining work, a 3D model of the fully mechanized mining face was established based on the gas-solid two-phase flow theory based on the 3604 face in Chenbanzhuang Coal Mine.
KONG Yang, PANG Haosheng, SONG Shuzheng, MENG Qunzhi
doaj   +2 more sources

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
doaj   +2 more sources

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
doaj   +2 more sources

Study on unmanned mining technology of fully mechanized coal mining face

Gong-kuang zidonghua, 2017
The paper analyzed present situation of development of fully mechanized coal mining face, including application situation and existing problems of technologies of memory coal cutting, hydraulic support automation, coal and rock identification and so on.
SUO Zhiwe
openaire   +3 more sources

Numerical Simulation Research of Fully Mechanized Coal Face of Thick Coal Seam

Gong-kuang zidonghua, 2010
According to distribution condition of joint fissures of top coal in front of fully mechanized coal face of one coal mine, a numerical calculation model of fully mechanized coal face was built, UDEC software was used to make numerical simulation for ...
ZHANG Jin-shan, ZHANG Chun-li
doaj   +1 more source

Research and application of automatic mining technology of unmanned fully-mechanized coal mining face

Gong-kuang zidonghua, 2015
In view of requirement of high efficient mining for unmanned fully-mechanized coal mining face, an automatic mining technology scheme of unmanned fully-mechanized coal mining face was proposed which takes cooperative control technology as core, automatic control technology of shearer, hydraulic support and scraper conveyor as basis, self-advancing ...
WANG Feng
openaire   +3 more sources

Characteristics of overburden failure and evolution of fractures in fully mechanized top coal mining face. [PDF]

Sci Rep
Abstract The characteristics of overlying strata failure and the evolution law of fractures during coal mining are of great significance for mine water prevention and gas control. To further study the overlying strata failure characteristics and fracture evolution in fully mechanized top-coal caving (FMTC) mining faces, a Shanxi coal ...
Wang X, Liu F.
europepmc   +3 more sources

Transparent mining mode and key technologies of fully mechanized working face

Gong-kuang zidonghua, 2022
In order to solve the problem that the intelligent mining technology based on adaptive working face geological conditions can not meet the practical engineering application requirements, a transparent mining mode of fully mechanized working face is proposed, which includes three stages, namely model construction, positioning of space to be mined and ...
YUAN Changsuo, WANG Feng
openaire   +3 more sources

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

Gong-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, LI Shengjun, GAO Quanjun, YANG Luyu, LIU Qingfu, ZHANG Heming   +5 more
doaj   +2 more sources

Movement Laws of Overlying Strata above a Fully Mechanized Coal Mining Face Backfilled with Gangue: A Case Study in Jiulishan Coal Mine in Henan Province, China

Advances in Civil Engineering, 2021
The aim of this study is to obtain movement laws of overlying strata above a fully mechanized coal mining face backfilled with gangue and solve the problem of surface subsidence during coal mining.
Zhengkai Yang, Zhiheng Cheng, Zhenhua Li, Chunyuan Li, Lei Wang, Shuaifeng Yin, Jinhu Zhang   +6 more
doaj   +2 more sources