Results 21 to 30 of about 647,843 (330)

Experimental study on ignition of methane and coal dust on the surface of high temperature heat source

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
doaj   +1 more source

Variation and Prediction Methods of the Explosion Characteristic Parameters of Coal Dust/Gas Mixtures

Energies, 2021
In order to investigate the change law of the explosion characteristic parameters of hybrid mixture of coal dust and gas, and then establish an effective prediction method of these parameters, the maximum explosion pressure, explosion index, and lower ...
Yingquan Qi, Xiangyang Gan, Zhong Li, Lu Li, Yan Wang, Wentao Ji   +5 more
doaj   +1 more source

Influence of Molasses on the Explosion and Decomposition Properties of the Coal Dust Deposited in Underground Mines

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, Minglei Lin, Longzhe Jin, Gang Li, Shengnan Ou, Yapeng Wang, Tianyang Wang, Mulati Jueraiti, Yunqi Tian, Jiahui Wang   +9 more
doaj   +1 more source

Assessment of explosion risk for wood dust in a ventilation-dust separation installation, by determining the concentration of total dust in suspension inside of the installation [PDF]

MATEC Web of Conferences, 2022
Most of combustible dusts present both fire and explosion hazard. Explosion may occur at certain concentrations of dust mixed with air and in the presence of an ignition source.
Kovacs Marius, Toth Lorand, Simion Sorin
doaj   +1 more source

Prediction Method of Coal Dust Explosion Flame Propagation Characteristics Based on Principal Component Analysis and BP Neural Network

Mathematical Problems in Engineering, 2022
To study the flame propagation characteristics of coal dust explosion, principal component analysis and BP neural network are used to predict the farthest distance and the maximum speed of flame propagation.
Tianqi Liu, Zhixin Cai, Ning Wang, Rui Jia, Weiye Tian   +4 more
semanticscholar   +1 more source

Combustion and Explosion Characteristics of Pulverised Wood, Valorized with Mild Pyrolysis in Pilot Scale Installation, Using the Modified ISO 1 m3 Dust Explosion Vessel

Applied Sciences, 2022
Biomass is a renewable energy source with great potential worldwide and in the European Union. However, valorization is necessary to turn many types of waste biomass into a tradable commodity that has the potential to replace coal in power plants without
M. Saeed, L. Niedzwiecki, Muhammad Yousaf Arshad, J. Skřínský, G. Andrews, H. Phylaktou   +5 more
semanticscholar   +1 more source

Analysis of micro morphology characteristics of coal dust explosion solid residues based on SEM and IPP

Meikuang Anquan, 2022
The existing research on the morphology characteristics of solid residues of coal dust explosion is qualitative. In order to quantitatively study the morphology characteristics of solid residues of coal dust explosion, the 20 L spherical explosion system
ZHU Chao, WANG Hao
doaj   +1 more source

Explosion Flame and Pressure Characteristics of Nonstick Coal Dust and the Inhibition of Explosion Suppressants

Journal of Chemistry, 2022
Nonstick coal is widely distributed in the world and is an important resource for human beings. The explosion characteristics and explosion suppression of nonstick coal dust are increasingly concerning.
Tianqi Liu, Ruiheng Jia, Xiaoting Dong, Xuan Zhao, Weiye Tian, Zhixin Cai, Ning Wang   +6 more
doaj   +1 more source

Particle size change of solid residue and flammability analysis of gaseous residue of lignite coal dust explosion

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
doaj   +1 more source

Research on perception method of coal mine gas and coal dust explosion based on explosion sound recognition

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, YU Xingchen, WANG Yunquan, LI Xiaowei   +3 more
doaj   +1 more source