Results 11 to 20 of about 538,157 (249)
Experimental Study on the Influence of Different Coal Species on Gas and Coal Dust Explosion
Meikuang Anquan, 2020 To further explore the propagation law of gas coal dust explosion with different coal species involved, 3 kinds of representative coal dust were tested in a self-made semi-enclosed pipe, and the flame propagation speed, flame surface luminescence ...
JING Guoxun, SHAO Hongyuan, WU Yulou, GUO Shaoshuai, LIU Chuang, ZHANG Shengqi
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Meikuang AnquanThe problems such as poor wettability of ultrafine coal dust (mass fraction of coal dust with a particle size less than 5 μm is not less than 50%) have seriously restricted the effect of mine dust control.
Yan JIN +8 more
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Study on moisture re-absorption characteristics and equilibrium prediction model of coal dust with different rank [PDF]
Meitan kexue jishu, 2023 Moisture re-absorption is an effective method to measure wettability of coal dust, but for different types of coal dust, there are difference in their hydrophilicity.
Fei WANG +5 more
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Chemistry and particle size distribution of respirable coal dust in underground mines in Central Eastern Europe [PDF]
, 2022 This is the final version. Available on open access from Springer via the DOI in this recordDespite international efforts to limit worker exposure to coal dust, it continues to impact the health of thousands of miners across Europe.
Trechera, Pedro +13 more
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High Prevalence of Respiratory Symptoms Among Workers in the Development Section of a Manually Operated Coal Mine in a Developing Country: A Cross Sectional Study. [PDF]
, 2007 Few studies of miners have been carried out in African countries; most are from South Africa, where the working conditions are assumed to be better than in the rest of Africa.
Mamuya, Simon H D +9 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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Effect of coal dust parameters on gas-coal dust explosions in pipe networks
Geomatics, Natural Hazards & Risk, 2022 To study the effects of coal dust particle size and mass of coal dust on gas-coal dust hybrid explosions, we conducted sedimentary gas-coal dust explosion experiments using a pipe network system that included multiple components and individual ...
Jia Jinzhang, Wang Fengxiao, Li Jie
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Development of a compact excavator mounted dust suppression system [PDF]
, 2013 This paper reports on the investigation of an excavator mounted dust suppression system for demolition and construction activities. Ever increasing pressure is placed on contractors to improve their environmental performance, especially dust emissions ...
Cheung, Wai Ming, Wallace, Kieran
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Research of influence factors on characteristic parameters of coal dust explosio
Gong-kuang zidonghua, 2014 Influence of particle size, concentration and ignition energy of coal dust on the maximum pressure and its rising rate of coal dust explosion were researched by use of 20 L spherical explosion equipment. The research results show that under the condition
LIU Zhentang, GUO Rulin, XI Runze
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International Journal of Coal Science & Technology, 2020 Coal dust explosion accidents often cause substantial property damage and casualties and frequently involve nano-sized coal dust. In order to study the impact of nano-sized coal on coal dust and methane–coal dust explosions, a pipe test apparatus was ...
Bo Tan, Huilin Liu, Bin Xu, Tian Wang
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