Abstract
Coal mine gas accidents pose a serious threat to the safety of coal mines in China. To prevent such accidents, the Chinese government and relevant agencies have issued a number of related control policies, though the effect of these policies on gas accidents is still lacking. In this study, the relevant data of coal mine gas accidents in China from 2003 to 2018 are sorted and analyzed. The analysis results show that the number of coal mine accidents and deaths has decreased significantly. However, gas accidents account for the highest proportion of deaths and pose the largest threat, compared with other types of accidents. Subsequently, the developmental stages of China’s gas control policies are summarized; they are the independent development stage, the promotion stage and the consolidation stage. A method of calculating the intervention degree of the gas control policies is proposed. The results show that the policy intervention degree is the highest, and the number of accidents is the fastest in the stage of promotion. It is concluded that gas control policies have obvious inhibitory effects on the occurrence of gas accidents, and these policies are fundamental in preventing coal mine gas accidents.
Highlights
Coal plays an important role in the supply of energy worldwide for producing heat, electricity and other valuable industrial materials over the past few centuries
According to the Coal Mine Accident Analysis Reports from the State Administration of Coal
From the above analysis results, great progress has been made in the safety production and gas prevention of coal mines in China
Summary
Coal plays an important role in the supply of energy worldwide for producing heat, electricity and other valuable industrial materials over the past few centuries. Mine Safety (SACMS) over the years [27,28,29,30,31,32,33,34], the number of accidents and death toll were obtained. The number of accidents decreased from 4143 to 224 for coal mines in China from to 2018, and the associated deaths decreased from 6434 to 333 during the same period. A number of 25,588 coal mine accidents have occurred since the year 2003, resulting in 42,439 deaths. Among these accidents, there were 1843 major accidents and 8252 deaths, accounting for 7.20% of the total accidents. Of the total of the total deaths,of respectively; and 55 extraordinarily serious extraordinarily serious accidents and deaths, accounting for of the total accidents and accidents and 3282 deaths, accounting for 0.21% of the total accidents and 7.73% of the total number of of the total number of deaths, respectively.
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