Results 11 to 20 of about 1,325 (191)
Currently, research on the collaborative control of shearers and scraper conveyors has preliminarily established a collaborative control mechanism for mining and transportation systems.
PI Guoqiang +3 more
doaj +2 more sources
Research on fully mechanized mining equipment removal planning during sequencing working face
The current fully mechanized mining equipment removal plan during sequencing working face mainly depends on manual preparation. The large workload and low efficiency lead to the extension of the construction period.
SHI Menghan, ZHU Weibing, REN Haibing
doaj +1 more source
Numerical and in-situ investigation on the ground behavior of the end roof in fully mechanized caving face [PDF]
Fully mechanized top coal caving is a major high-yield and high-efficiency coal mining method for thick seam mining. At present, it is affected by the further popularization and application of fully mechanized caving mining because the recovery rate is ...
Zang Chuanwei +5 more
doaj +1 more source
Clarity method of fog and dust image in fully mechanized mining face
At present, the abnormal state of equipment and surrounding rocks in the fully mechanized mining face is mainly detected by visual methods. However, the vision sensor works in a low-light environment and it is affected by factors such as water fog and dust, which lead to blurred images.
Qinghua Mao +5 more
openaire +1 more source
Effect of Face Length in Initial Mining Stage of Fully Mechanized Top-coal Caving Face With Large Mining Height [PDF]
Abstract Based on the field measurement of the end resistance of the support during the initial weighting of the basic roof and the macroscopic mine pressure behavior during the weighting period of 101,22211,103 and 301 fully mechanized caving face in Changchun Xing Coal Mine, the mine pressure law of the working face is summarized and compared,
Jianhang Wang +4 more
openaire +1 more source
Strata behavior at fully-mechanized coal mining and solid backfilling face [PDF]
Taking Ping Dingshan Coal Mine Group 12 as an example, this paper explains the system layout, key equipment and backfilling technology in detail. It probes into the characteristic of rock strata movement behavior and surface deformation above the gob area through in-site measurement method. The results show that as the overburden strata are effectively
Yin, Wei +3 more
openaire +2 more sources
UDEC Numerical Analysis for Surface Subsidence Characteristics Under Different Mining Methods
UDEC is used to analyze the surface subsidence characteristics under different steps of fully mechanized and layered mining face. The research results show that the trend of surface subsidence in the lower layer mining face and the fully mechanized ...
LIU Zhaoxing
doaj +1 more source
A robust method for dynamic image stitching on a fully mechanized mining face [PDF]
Abstract Video surveillance systems can be applied in coal mines for remote monitoring and for production control. Stitching video images into a panorama enhances the usability of video systems, since a panorama offers a wider view than single images do.
Ben Li, Shanjun Mao, Mei Li
openaire +1 more source
Aiming at the problem of over-limit gas in the return air corner of the āUā 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
doaj +1 more source
Digital twin: meeting the technical challenges of intelligent fully mechanized working face
The goal and task of intelligent fully mechanized working face are to independently complete the reliable coal cutting of the fully mechanized working face, maintain the geometric relationship of the working face and reliable roof support.
GE Shirong +6 more
doaj +1 more source

