Results 11 to 20 of about 1,811 (137)
International Journal of Coal Science & Technology, 2023 Nano-to-micron-sized coal dust can cause coal workers’ pneumoconiosis (CWP), and cutting and drilling are the main coal dust-generating processes. Based on a self-developed simulated coal cutting and drilling dust generation system, the effects of ...
Jintuo Zhu +6 more
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Research on secondary explosion characteristic of coal dust
Gong-kuang zidonghua, 2018 Influence of concentration, particle size and ignition energy of coal dust on secondary explosion characteristic of coal dust were studied by use of 20 L spherical explosion device, and the secondary explosion characteristic of coal dust was compared ...
LIU Haoxiong +5 more
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Evaluation of the Risk Factors on Coal Dust Explosion in Warehouse
MATEC Web of Conferences, 2016 Coal has been one of the major energy sources in the world. Many industries use coal as a main fuel. A coal dust explosion is one of the main hazards of coal utilization because of its massive damage.
Chanthaphasouk Latana +4 more
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Numerical simulation study of the effect of coal dust on gas explosion overpressure
Scientific ReportsA numerical simulation study was conducted using Ansys Fluent 2023 R1 simulation software to investigate the influence of coal dust on the overpressure of gas explosion. The results demonstrated that the reliability of the selected mathematical model was
Yingxiang Fang +3 more
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International Journal of Mining Science and Technology, 2022 High humidity and high dust concentration in deep coal mines may severely challenge the performance of respirators worn by coal miners. This paper aims at quantitatively evaluating the respirators used in deep coal mines and providing scientific guidance for the respiratory protection of miners.
Jintuo Zhu, Xinjian He, Liang Wang
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Prediction of road dust concentration in open-pit coal mines based on multivariate mixed model
PLOS ONE, 2023 The problem of dust pollution in the open-pit coal mine significantly impacts the health of staff, the regular operation of mining work, and the surrounding environment. At the same time, the open-pit road is the largest dust source. Therefore, it analyzes the influencing factors of road dust concentration in the open-pit coal mine.
Meng Wang +6 more
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Research on the influence of coal mine dust concentration on UWB ranging precision
Gong-kuang zidonghua, 2021 The environment of the fully mechanized working face in coal mines is harsh and the dust concentration is high. When ultra wide band (UWB) is used for positioning, it is easy to be interfered by dust.
DING Zhen1, ZHANG Yuchen2
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Discussion on Monitoring Technology of Coal Mine Dust
Gong-kuang zidonghua, 2011 The paper analyzed harm and characteristics of coal mine dust and standard of contact concentration of respiratory coal dust in air of working space, introduced developing status of monitoring technology of coal mine dust, and compared characteristics of
LI Dong-xiao
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Fire, 2023 This research aimed to the characteristics and influence factor of methane and coal dust gas/solid two-phase mixture explosions by experiment. Through comparative analysis of flame propagation characteristics, pressure, flame temperature and products ...
Yue Wang +3 more
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Gong-kuang zidonghua, 2021 The high temperature area of coal spontaneous combustion in coal mine goaf may cause methane/coal dust explosion. Therefore, it is necessary to carry out research on coal spontaneous combustion induced methane/coal dust explosion. The current research on
WANG Yi, WANG Haiyan, ZHANG Lei, HU Lang
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