Results 31 to 40 of about 21,178 (224)
A Sensitive and Reliable Carbon Monoxide Monitor for Safety-Focused Applications in Coal Mine Using a 2.33-$\mu$ m Laser Diode [PDF]
, 2020 In this paper, a stable and reliable carbon monoxide (CO) monitoring system with high sensitivity (at sub-ppm level) was designed and demonstrated with particular reference to use in the mining industry, tailoring the design specifically for forecasting ...
Grattan, K. T. V. +8 more
core +1 more source
Study on calcium catalyzes coal spontaneous combustion
Fuel, 2022 Abstract Metal elements are good catalysts for oxidation reactions. In order to explore the influence of metal elements in coal on the reaction of organic matter in coal with oxygen, this paper studies the influence of the macro-element calcium in coal on the spontaneous combustion of coal.
Ling Qiao +6 more
openaire +1 more source
Meikuang AnquanWith the continuous exploitation of coal resources, the economic losses and casualties caused by coal spontaneous combustion have become increasingly prominent.
Yang XIAO +4 more
doaj +1 more source
Meikuang Anquan, 2020 For the special case above the working face of Tashan Coal Mine, the numerical simulation software was used to study the distribution of oxygen molar concentration in the goaf under different mining distances and different amounts of nitrogen injection ...
DU Yang, WENG Xuze, QI Xuyao, HAO Jianfeng, CHEN Ruifeng, CHEN Yuezhen
doaj +1 more source
Study on spontaneous combustion characteristics of oxidized coal in re-mining coal seam
Meikuang Anquan, 2021 According to the current situation of spontaneous combustion of coal in the re-mining coal seam, the differences of spontaneous combustion characteristics of oxidized coal in Jinggezhuang Mine with four different re-mining times are analyzed.
ZHANG Yanfang, WANG Fusheng, WANG Jiantao
doaj +1 more source
Meikuang Anquan, 2020 To study the effect of pre-oxidation on the limit parameters of coal spontaneous combustion, the primary oxidation and secondary oxidation processes of coal are simulated by the program heating device, the oxygen consumption rate, gas productivity ...
WANG Kai, HE Yunzhong, SHANG Bo
doaj +1 more source
Meikuang Anquan, 2022 Based on the characteristics and laws of coal spontaneous combustion in Yanzhou Mining Area, this paper studies the construction of accurate prevention and control system of coal spontaneous combustion, including the research on accurate fire prevention ...
WANG Hongquan +4 more
doaj +1 more source
Advanced Science, EarlyView.A scalable radiative cooling fabric engineered with a multi‐layer assembly core–shell structure and integrated photoluminescent materials is reported. The fabric exhibits remarkable environmental stability, including UV resistance, mechanical durability, hydrophobicity, stain resistance, thermal stability, and flame retardancy, demonstrating its ...
Hongtao Liu +8 more
wiley +1 more source
Meikuang Anquan, 2020 To study the distribution law of coal spontaneous combustion zone in goaf of two intake and one return ventilation working face, the oxygen concentration under different working conditions during the mining of the 8301 working face of Tashan Coal Mine ...
DU Yang, QI Xuyao, WENG Xuze, HAO Jianfeng, CHEN Ruifeng, CHEN Yuezhen
doaj +1 more source
Meikuang Anquan, 2022 Deep mining in Shaanxi and Inner Mongolia mining areas is characterized by high mine pressure and high degree of broken coal. Leaving narrow coal pillars is easy to cause side air leakage along goaf, and the coal left in the adjacent gob will undergo ...
WU Jianbin +5 more
doaj +1 more source