Results 21 to 30 of about 18,898 (219)

Deformation Characteristics and Control Countermeasures for Surrounding Rock of Deep Roadway under Mining Disturbance: A Case Study

Shock and Vibration, 2022
Highly efficient maintenance and control of the deep strong mining roadway’s stability is a reliable guarantee for the safe production and sustainable development of a coal mine.
Deyu Qian, Jinping Deng, Sujian Wang, Xingguo Yang, Qi Cui, Zexiang Li, Shengyao Jin, Wenjing Liu   +7 more
doaj   +1 more source

Theory and technical framework of coal mine rock burst origin prevention

Meitan xuebao, 2023
Although the safety in the production of the mines in China has improved, coal bursts pose a serious threat to coal mines, especially deep mining. There have been eight coal bursts accidents with forty-eight deaths in the past five years. These accidents
Qingxin QI, Shizhi MA, Xikui SUN, Shankun ZHAO, Yunpeng LI, Haitao LI, Bin YU, Pengzhi PAN, Shouguang WANG, Hong LI, Yizhe LI, Xudong WANG, Xiufeng ZHANG, Xuebin WANG, Hongyan LI, Caiping LU, Shuwen WANG, Jun HAN, Wenjun QIAO, Ningbo ZHANG   +19 more
doaj   +1 more source

Challenges and Opportunities for End-of-Life Coal Mine Sites: Black-to-Green Energy Approach

Energies, 2021
This paper presents the possibilities of adapting active mines to generate green energy after their closure using their resources and/or infrastructure. For this purpose, firstly, the temporal horizon of selected mines in Poland was determined, its basic
Aleksander Frejowski, Jan Bondaruk, Adam Duda   +2 more
doaj   +1 more source

Collaborative mining system of geothermal energy and coal resources in deep mines

工程科学学报, 2022
Coal resources are non-renewable one-time energy. With the increase in mining depth, thermal energy is released with the exploitation of deep coal resources.
Ji-xiong ZHANG, Ji-yang WANG, Nan ZHOU, Yan-long KONG, Cun-li ZHU, Heng-feng LIU   +5 more
doaj   +1 more source

Research on Efficient Construction Paths for Intelligent Coal Mines in China from the Configuration Perspective

Applied Sciences, 2023
The intelligent transformation of coal mines is an inevitable choice to promote the green transformation of energy and to achieve safety and efficiency in the industry.
Xiaofang Yuan, Yutong Wu, Linhui Sun, Xinping Wang   +3 more
doaj   +1 more source

Application of coal mine roof rating in Chinese coal mines

International Journal of Mining Science and Technology, 2018
The coal mine roof rating (CMRR) is a measure of roof quality or structure competency for bedded roof types typically of underground coal mines. The CMRR has been used widely in the US, South Africa, Canada and Australia.
Yongyin Wang, Abbas Taheri, Xianbi Xu
doaj   +1 more source

Environmental Evaluation of Coal Mines Based on Generalized Linear Model and Nonlinear Fuzzy Analytic Hierarchy

Geofluids, 2020
To create a good working environment for workers in coal mines and ensure that they can work safely and comfortably, environmental assessments of coal mines represent an important method used to achieve this goal.
Xueming Du, Hongyuan Fang, Kang Liu, Binghan Xue, Xin Cai   +4 more
doaj   +1 more source

Research status and development direction of 5G key technologies for coal mines

Gong-kuang zidonghua
Based on the current research results and practical experience of 5G in coal mines, this paper analyzes the research status and development direction of key technologies for 5G in coal mines from three aspects:5G private network architecture, coverage ...
LI Chenxin
doaj   +1 more source

Way of Carbon Emission Reduction in Coal Mines Based on Carbon Balance Method and B-Wilson Method

Chemical Engineering Transactions, 2018
This study is to analyze carbon balance method and B-Wilson method in carbon emission reduction in coal mines. The carbon balance method and B-Wilson method are studied in four open-pit coal mines in Yimin River, Anjialing, Heidaigou and Buzhaoba.
Shuhui He
doaj   +1 more source

Research progress on gas resource evaluation, extraction and utilization in abandoned coal mines in China

Meikuang Anquan, 2021
China has a large number of abandoned coal mines, many of which are highly gassy mines. Considering the pros and cons of gas occurrence in abandoned coal mine and its timeliness characteristics, it is considered that there is an urgent need to develop ...
WU Jingang, MAO Junrui
doaj   +1 more source