Heat effects and kinetics of coal spontaneous combustion at various oxygen contents

Z Yutao, Z Yuanbo, L Yaqing, S Xueqiang, Z Yujie - Energy, 2021 - Elsevier
In order to explore the effect of oxygen concentration on the exothermic characteristics of
coal spontaneous combustion (CSC), the coal exothermic reaction process under different …

Effects of thermal boundary conditions on spontaneous combustion of coal under temperature-programmed conditions

X Shi, Y Zhang, X Chen, Y Zhang - Fuel, 2021 - Elsevier
Coal spontaneous combustion (CSC) is one of major disasters that threaten the safety and
production of coal mines. A method to calculate the key parameters of coal oxidation reaction …

Risk evaluation of coal spontaneous combustion on the basis of auto-ignition temperature

Y Zhang, Y Liu, X Shi, C Yang, W Wang, Y Li - Fuel, 2018 - Elsevier
The spontaneous combustion of coal, if not eradicated immediately, may lead to coal ignition
and even a full-blown fire. A new method, DSC Inflection Point (DSCIP), was proposed to …

Co-spontaneous combustion of coal and gangue: Thermal behavior, kinetic characteristics and interaction mechanism

Y Zhang, Y Zhang, X Shi, Y Li, X Zhang - Fuel, 2022 - Elsevier
The co-spontaneous combustion of coal and gangue widely exists in the world and threatens
the safety of coal mines. In this paper, the microstructure of coal and gangue were tested …

Numerical simulation of coal dust self–ignition and combustion under inclination conditions

X Shi, X Chen, Y Zhang, Y Zhang, R Guo, T Zhao, R Liu - Energy, 2022 - Elsevier
In industries related to fossil energy, coal dust is often deposited at an angled position. A two–step
parallel coal dust oxidation reaction mechanism is used to study the self–ignition and …

Numerical study on the oxidation reaction characteristics of coal under temperature-programmed conditions

X Shi, Y Zhang, X Chen, Y Zhang, T Ma - Fuel Processing Technology, 2021 - Elsevier
To understand the oxidation reaction of coal and predict and control generation and development
of coal fires, a one-step global dynamic model of the chemical reaction between coal …

Determination of ignition temperature and kinetics and thermodynamics analysis of high-volatile coal based on differential derivative thermogravimetry

Y Zhang, Y Zhang, Y Li, X Shi, B Che - Energy, 2022 - Elsevier
In order to accurately determine the ignition temperature (T i ) of coal, Coal spontaneous
combustion (CSC) process was tested by a simultaneous thermal analyzer. Next, the abrupt …

On the influence of material and shape of the hot particles on the ignition characteristics of coal dust

X Shi, H Wu, P Jin, Y Zhang, Y Zhang, F Jiao, Y Zhang… - Energy, 2023 - Elsevier
The multi-field coupling of coal dust ignited by hot particles of different shapes and materials
has not been studied in detail, which is an important basis for understanding the multiphase …

Flame propagation characteristics and surface functional groups changes of corn starch dust during the combustion process

…, X Zhang, Z Zhou, S Geng, Y Zhang, Y Lan, X Shi… - Powder Technology, 2023 - Elsevier
Corn starch (CS) is one of the most common powders in industrial production and daily life,
but its inherent risks of ignition and explosion cannot be disregarded. In this study, the flame …

Determination and dynamic variations on correlation mechanism between key groups and thermal effect of coal spontaneous combustion

Y Zhang, Y Zhang, Y Li, X Shi, S Xia, Q Guo - Fuel, 2022 - Elsevier
This study is aimed at exploring the relationship between the variations of micro-groups and
the thermal effect during the heating process of coal spontaneous combustion (CSC). To …