Statistical analysis of major coal mine fire accidents in China

doi:10.16265/j.cnki.issn1003-3033.2023.01.0457

Abstract

Abstract:

To study the general characteristics and cause of major coal mine fire accidents in China, 360 major accidents from 2000 to 2021 were comprehensively discussed using the statistical analysis method from the dimensions of time, region, location, coal mine ownership, ignition source and external causes. The results show that the fourth quarter is the peak period for major fire accidents. The number of major fire accidents and deaths in Guizhou, Shanxi and Heilongjiang Provinces account for 45.28% and 47.11% respectively. The probability of catastrophic fire accidents in the chamber is the highest, accounting for 52.38% of major accidents in the chamber. Major fire accidents in the coalface show an increasing trend from 2011 to 2021. The major coal mine fire accidents in township coal mines account for more than 60% of the total number of accidents and deaths, but show a gradient descent trend year-on-year and keep basically stable. The proportion of major accidents caused by illegal open flame, self-heating fire and friction impact gradually increases, while the proportion of major accidents caused by electric spark ignition and blasting ignition gradually decreases. Poor management is the main cause of major coal mine fire accidents.

Key words: coal mine, major coal accidents, fire accidents, statistical analysis, ignition source

LI Min, LIN Zhijun, WANG Deming, SHI Shiliang, LU Yi. Statistical analysis of major coal mine fire accidents in China[J]. China Safety Science Journal, 2023, 33(1): 115-121.

Figures/Tables 10

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