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To deeply investigate the current situation and characteristics of coal mine gas explosion accidents, this paper takes 63 gas explosion accidents from 2015 to 2021 as the research object, and uses the statistical analysis method combined with charts to analyze the accident level, area, month, time, and detonation fire. The number of accidents and fatalities is sorted and analyzed from five dimensions of source, and the improved Human Factor Analysis and Classification System(HFACS) model is used to construct five causal levels including external factors, organizational influence, unsafe supervision behavior, preconditions for unsafe behavior, and unsafe behavior. The causal factor model of coal mine gas explosion accidents and the causal relationship in different causal levels is analyzed with the help of the chi-square test and concession ratio analysis method. The results show that:(1) Shanxi, Shaanxi, and Heilongjiang account for 28.57% and 37.9% of the total number of gas explosion accidents in the country, and they are the key prevention and control provinces.(2) From October to December every year, the most accidents occur, causing the most injuries, and the accident frequency is the highest during the shift period and the 1st to 2nd hours after each shift.(3) Management factors, lack of organizational atmosphere, inadequate supervision, poor operator status, and operational errors are the five high-frequency causal factors affecting gas explosions and the high-frequency causal chain leading to gas explosions. Insufficient supervision by government supervision departments is the deepest causative factor, which leads to the lack of organizational atmosphere and loopholes in the organizational process of coal mining enterprises. As a result, it has adverse effects on coal miners and eventually leads to accidents. Therefore, to reduce and prevent the occurrence of gas explosion accidents, coal mining enterprises must pay attention to emergency management, and establish an emergency management index system in the whole life cycle to provide a certain reference for preventing gas explosions.
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Basic Information:
DOI：10.13637/j.issn.1009-6094.2022.1540
China Classification Code:TD712.7
Citation Information:
[1]JING Guoxun,MU Lulu.Study on statistical analysis and emergency management of coal mine gas explosion accident[J].Journal of Safety and Environment,2023,23(10):3657-3665.DOI:10.13637/j.issn.1009-6094.2022.1540.
Fund Information:
国家自然科学基金项目(U1904210,51774120)
2023-01-06
2023-01-06
2023-01-06