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Sound Recognition Method of Coal Mine Gas and Coal Dust Explosion Based on GoogLeNet [PDF]
Entropy, 2023 To solve the problems of backward means of coal mine gas and coal dust explosion monitoring, late reporting, and low leakage rate, a sound recognition method of coal mine gas and coal dust explosion based on GoogLeNet was proposed.
Xingchen Yu, Xiaowei Li
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Numerical simulation study of the effect of coal dust on gas explosion overpressure [PDF]
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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Study on flame fractal characteristics of coal dust explosion at the decompression position of Hartmann tube [PDF]
Scientific ReportsThe explosion of coal dust is powerful and has a wide range of spread, which can easily cause mass death and injury. In this paper, the flame microstructure and propagation characteristics of coal dust explosion are recorded by high-speed photography ...
Zemiao Yang, Ke Gao, Yinhui Wang
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Influencing factors of coking coal dust explosion pressure and flame and effect of inert dust on its explosion suppression [PDF]
Scientific Reports, 2022 Coking coal is a precious resource in the world and an important raw material for the production of steel, but it is easy to cause explosion accidents in the process of coking coal mining, which is very detrimental to safe production.
Tianqi Liu +5 more
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Energies, 2023 Coal dust endangers the health and safety of workers in underground coal mines. Therefore, developing coal dust suppressants with dust prevention and explosion-proof properties is critical.
Jianguo Liu +9 more
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Floor dust erosion during early stages of coal dust explosion development [PDF]
International Journal of Mining Science and Technology, 2019 An ignition of methane and air can generate enough air flow to raise mixtures of combustible coal and rock dust. The expanding high temperature combustion products ignite the suspended dust mixture and will continue to propagate following the available ...
Marcia L. Harris, Michael J. Sapko
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Research on inhibitory effect of mixed suppressants CaCO3, KCl, and K2CO3 on coal dust explosion pressure [PDF]
Scientific ReportsTo discuss the inhibitory effect of micrometer scale coal dust explosion pressure, three types of explosion suppressants are selected for mixed explosion suppression.
Tianqi Liu, Kenan Liu
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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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Gong-kuang zidonghua, 2023 The characteristics of coal mine gas and coal dust explosion are analyzed. The gas concentration changes suddenly. The ambient temperature rises rapidly. The air pressure rises suddenly. It produces fireballs and smoke.
SUN Jiping +3 more
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Gong-kuang zidonghua, 2021 The solid and gaseous residues of coal dust explosion are the physical evidence for analyzing the detonation site and propagation path and the basis for deploying rescue work.
ZHU Chao, WANG Hao
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