Comprehensive Prevention of Underground Space Mine Fires and Gas Disasters, as Well as Prevention of Water Injection Seepage Disasters

Dear Colleagues,

Coal fires are a major disaster threatening the safety of mine production. The vast majority of their causes stem from the spontaneous combustion of coal, and such fires often occur in enclosed spaces such as goafs, coal pillars, and structural zones. In the research field of the occurrence and development laws of coal fires, existing achievements mainly focus on four aspects: first, research on the self-heating and oxidation characteristics of coal; second, numerical simulation calculations and similar simulation experiments carried out with commercial software; third, the exploration of early prediction and monitoring technologies for coal fires; fourth, the practical application of fire prevention and extinguishing technologies and related materials. In addition, as an important active prevention and control method, water injection seepage disaster prevention technology has become an important part of research due to its mechanism of action in inhibiting coal body temperature rise and blocking the formation of spontaneous combustion conditions. Although existing research has covered multiple dimensions, many key details still need to be further explored. For example, the evolution law of combustion characteristics of coal in high-temperature environments and the quantitative analysis of the fire-extinguishing efficiency of various composite materials all need to be further focused on in future research.

1. Low-temperature oxidation characteristics of coal;
2. Disaster mechanism of mine fires/spontaneous combustion;
3. Theoretical modeling method and numerical simulation;
4. Fire source location detection (gob, coal pillar, roadway, etc.);
5. Development of fire extinguishing materials and equipments;
6. Early warning and control technology for underground coal fires.

1. Study on Evolution Law of Critical Parameters for Coal Spontaneous Combustion Under Multi-Field Coupling in Goafs
2. Study on the Correlation Between Combustion Characteristics and Structural Deterioration of Coal Under High-Temperature Stress
3. Construction of an Early Warning Model for Coal Fires in Confined Spaces Based on Multi-Source Sensing and Machine Learning
4. Efficiency Quantification and Mechanism Analysis of Novel Composite Fire-Extinguishing Materials for Coal Fires in Confined Spaces
5. Study on Coupling Law of Water Injection Seepage-Heat Transfer and Parameter Optimization in Complex Geological Structures

Dr. Yipeng Song
Dr. Hao Xu
Dr. Peng Liu
Dr. Jia Liu
Dr. Tianbai Zhou
Prof. Dr. Yueping Qin
Guest Editors

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• coal spontaneous combustion
• underground space
• flame combustion
• numerical modeling
• fire prevention and control
• thermodynamics
• extinguishing materials
• monitoring method