Detection of Spontaneous Combustion Areas of Coal Gangue Dumps and Comprehensive Governance Technologies: A Case Study
Yang Liu, Xuyao Qi, Dayong Luo, Yongqing Zhang, Jiangtao Qin · 2023
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Description
Yang Liu and four colleagues present a case study of finding and extinguishing fires inside coal waste dumps in China. Coal gangue piles can ignite spontaneously, releasing toxic gases and risking explosions. The team first mapped the fire zones. Infrared thermal imaging found shallow burning, and dense drilling located deep fire. Results showed fire spreading inward from the surface, driven by a stack effect, with sources three to five meters down.
Three-phase foam was perfused to cool the pile, and cracks were sealed with curing material. Land reclamation then restored the site ecologically. Shallow and deep fire areas proved interconnected, which raises the danger during handling. The twenty twenty-three study offers other mining regions a full sequence: detect, stabilize, extinguish, and reclaim.
Catalog record
| CREATOR | Yang Liu, Xuyao Qi, Dayong Luo, Yongqing Zhang, Jiangtao Qin |
|---|---|
| YEAR | 2023 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 32 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |