Results 31 to 40 of about 1,325 (191)
Design and application of automation control system of fully mechanized coal mining face
Gong-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
Meikuang Anquan, 2023 In recent years, most of the coal mines in Zhungeer Coalfield have entered the mining of the second main coal seams, such as 6#, 10# and 11#, with an average thickness of more than 10 m, so most of the coal mines use fully mechanized caving mining ...
Hua NAN, Zhuoying WANG
doaj +1 more source
Research on Dust Source Traceability Based on Dust Migration Law in Working Area of Large Mining Height Fully-mechanized Face [PDF]
E3S Web of Conferences, 2022 The dust control basis of fully mechanized mining face is clear dust source characteristics. In view of the problem of unclear dust source and unknown distribution characteristics in the working area of 7.8 m large fully mechanized mining face, the fully
Li Zhi, Ma Wei
doaj +1 more source
Gong-kuang zidonghua, 2014 The paper introduced key technologies of automatic fully-mechanized top-coal caving face with large mining height, including automatic control of hydraulic support, machinery-tracked automation, automation of coal caving, remote control, lighting and low
FAN Zhizhong
doaj +1 more source
Shock and Vibration, 2021 To study the problems of dynamic load pressure and frame pressure caused by the concentration of stress by coal extraction pillars during the mechanized short-distance mining of goaves in shallow coal seams, a frame pressure accident, in the Shendong ...
Haifeng Zhou +3 more
doaj +1 more source
Meikuang Anquan, 2022 In order to determine the reasonable length of the mining face for high strength fully mechanized caving mining in low gas seams, taking 42108 fully mechanized caving face of Buertai Mine as the research object, the formula of checking the mining face ...
LYU Qingxu, XIAO Jianru, MAN Yang
doaj +1 more source
Research progress and prospect of wet dust control technology in fully mechanized excavation face
Meikuang Anquan, 2023 The ventilation of fully mechanized roadway in coal mine is easy to cause the rapid diffusion of dust, which makes it more difficult to control dust pollution. In order to improve the working environment of fully mechanized coal mining face, the progress
ZHU Xiaotong +5 more
doaj +1 more source
Mathematical model of automatic following control in the middle of fully mechanized mining face
Gong-kuang zidonghua, 2016 With consideration of bi-directional cutting characteristics of fully mechanized mining face and analysis of coordinated control of shear, hydraulic support and scraper conveyor, a mathematical model was firstly proposed to describe curved path of ...
SHI Yong +3 more
doaj +1 more source
Remote fault diagnosis system of fully mechanized mining equipment group based on cloud platform
Gong-kuang zidonghua, 2021 The currently developed remote fault diagnosis systems for fully mechanized mining equipment are mostly for single-machine equipment such as coal shearers, scraper conveyors and belt conveyors, and for expert remote guidance and maintenance systems based
LI Xu +4 more
doaj +1 more source
Geofluids, 2021 The deformation control of the surrounding rock during gob-side entry driving along deeply fully mechanized caving island working face is one of the main bottlenecks affecting the successful and efficient production in modern mining.
Fei Liu, Yongsheng Han
doaj +1 more source