Results 111 to 120 of about 1,325 (191)

Moving mechanism and active control method of scraper conveyor in fully-mechanized mining face

Meitan kexue jishu
In order to study the movement mechanism of the scraper conveyor in the fully-mechanized mining face, the influence of cutting process, working face dip angle and thrust force of hydraulic support on the movement of scraper conveyor are analyzed comprehensively, the movement mechanism of scraper conveyor is clarified, the critical position and ...
Fei ZHAO, Feng ZHANG, Quanzhong LI, Dongdong QIN, Hui WEI   +4 more
openaire   +1 more source

Prevention and Control Technology of Spontaneous Combustion in 8102 Fully-Mechanized Mining Face of Xinwei Mine

Meikuang Anquan, 2020
Aiming at the problem of spontaneous combustion prevention in the process of mining close distance coal seams in southern Sichuan Mining Area, this paper takes the first mining face of No. 8 coal seam in Xinwei Mine as an example, and analyzes spontaneous combustion risk factors during the recovery of 8102 working face.
openaire   +1 more source

Water hazard prevention technology for confined mining beneath dual extremely thin aquicludes in roof and floor. [PDF]

Sci Rep
Wang G, Yin S, Cao M, Zhong C, Hu S, Yang C, Wu M.   +6 more
europepmc   +1 more source

Evolution and dip effect of boundary spatial morphology of top-coal limit equilibrium zone in steeply dipping coal seam. [PDF]

Sci Rep
Wu X, Chi X, Lang D, Wu Y, Zhang Z, Chen S.   +5 more
europepmc   +1 more source

Study on mechanism of air distribution volume's influence on airflow, dust migration and spray dust reduction in fully mechanized caving face. [PDF]

Sci Rep
Hongjie Z, Shaocheng G, Tian Z, Deji J, Xi C, Xingyu C.   +5 more
europepmc   +1 more source

Working face status detection in coal mine based on YOLOv8-EST. [PDF]

Sci Rep
Wang H, Wu G, Yang Q, Huang Y, Lv Z, Yang J.   +5 more
europepmc   +1 more source

Optimization of drawing parameters based on top-coal flow law in thick-seam caving mining. [PDF]

Sci Rep
Wu S, Xu X, Wang J, Kong D, Wu G, Liu Q, Zuo Y.   +6 more
europepmc   +1 more source

The impact of obstacle parameters on mid-high frequency noise propagation in comprehensive mining workfaces and safety implications. [PDF]

Sci Rep
Jia G, Yang M, Jiang D, Guo J, Liu M, Tao Y.   +5 more
europepmc   +1 more source

Research on key technologies of intelligent fully mechanized mining on working face with large mining height

Gong-kuang zidonghua, 2018
In order to solve problems of large number of workers and high labor intensity on fully mechanized mining face with large mining height, according to actual situation of No.2 Coal Mine of Huangling Mining Group Co., Ltd., technical difficulties such as precise control of rib spalling, soft bottom frame and equipment reliability, precision of perception
openaire   +1 more source

Study on coal wall spalling mechanism of large mining height working face based on folding mutation theory. [PDF]

Sci Rep
Li G, Zhang H, Li M, Shen Z, Tian A, Wang L.   +5 more
europepmc   +1 more source