Results 21 to 30 of about 4,725,858 (203)

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 ...
FAN Jingdao
doaj   +2 more sources

Design of multivariate early warning management system for fully-mechanized coal mining equipment

Gong-kuang zidonghua, 2018
In view of problems of low accuracy, low efficiency and poor timeliness in current management mode of fully-mechanized coal mining equipment, a multivariate early warning management system for fully-mechanized coal mining equipment was designed.
YANG Rui, CAO Kai, WANG Jiyu
doaj   +2 more sources

Research on the Mechanism and Control of Spalling on 8 m Fully Mechanized Mining Face in Huoxi Coalfield

Applied Sciences
The great success of fully mechanized mining with a large mining height of 8 m and above in Mongolia and Shaanxi proves the feasibility of this technology. Although fully mechanized mining with a large mining height significantly increases the production
Lin Meng, Mei Wang, Chenlong Wang, Yongkang Yang   +3 more
doaj   +2 more sources

Development status and prospect on key technical equipment of high efficiency fully mechanized mining in super high and super long working face [PDF]

Meitan kexue jishu
As an important energy support for China”s economic development, coal will remain dominant in energy consumption for a period of time in the future.
Mingzhong LI, Wenge ZHAO, Ruyu YAN, Jiachen WANG, Yajun LEI, Zheng YANG, Huijun HAN, Jinhu ZHANG, Yanjun FENG, Desheng ZHANG, Zhizeng HUANG   +10 more
doaj   +2 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

Design of Automatic Combination Cutting-and-conveying Unit of Fully Mechanized Coal Face

Gong-kuang zidonghua, 2011
In order to improve automation level and production efficiency of fully mechanized coal face, the paper proposed a design scheme of automatic combination cutting-and-conveying unit of fully mechanized coal face.
GONG Fu-zhang, WU Qing, RONG Liang, YU Xi-yang, HE Jia-jian, CHEN Zhuo   +5 more
doaj   +1 more source

Research and Practice on Filling Technology of Fully Mechanized Coal Mining Face through Trend Abandoned Roadway

Sustainability, 2021
Taking the fully mechanized mining face (FMMF) through the abandoned roadway (AR) in a coal mine in Shanxi Province, China as the engineering background, the field investigation, theoretical analysis, numerical simulation and field test were ...
Yang Yu, Jian-Fei Lu, Yu-Xin Pan, Xiang-Qian Zhao, Ding-Chao Chen   +4 more
semanticscholar   +1 more source

Concept, realization path and key technologies of intelligent mining based on transparent longwall face

Gong-kuang zidonghua, 2020
Taking transparent coal seam, transparent fully-mechanized mining equipment and transparent decision-making and control as core, concept of intelligent mining based on transparent longwall face was put forward, namely based on enhanced geological ...
WANG Feng
doaj   +1 more source

Probe on concept of automatic fully-mechanized coal mining face

Gong-kuang zidonghua, 2014
Technology status of automatic fully-mechanized coal mining face in China was introduced, and fully-mechanized coal mining equipments were classified into production equipment, auxiliary equipment and monitoring and control system.
FU Guoju
doaj   +1 more source

Cooperative control technology of shear and hydraulic support on fully-mechanized coal mining face

Gong-kuang zidonghua, 2020
Aiming at low cooperative control efficiency of shearer and hydraulic support on fully-mechanized coal mining face, a cooperative control technology of shearer and hydraulic support on fully-mechanized coal mining face was proposed based on technologies ...
LIU Qing, HAN Xiuqi, XU Lanxin, QIN Wenguang   +3 more
doaj   +1 more source