Statistics and characteristics analysis of coal mine water accidents in Yunnan Province from 1991 to 2022
In 2022,there were three water accidents in Yunnan Province,and the coal mine water disaster is one of the ma-jor disasters restricting coal production.In view of the history and current situation of frequent coal mine water accidents in Yunnan Province,the summary of coal mine water accidents in the past 30 years(1991-2022),The statistical analysis and analysis of the causes of typical water accidents are carried out from the time order,occurrence area,flooding feature,accident water source,mine type,casualty and injury situation.The study shows that:(1)from 1991 to 2022,43 water damage accidents occurred,and 189 people died;(2)67%of the water accidents in Yunnan Province occurred in Qujing city in eastern Yunnan province;(3)The water source of water damage is mainly old kiln(empty)water,and the occurrence time of water damage accidents is mostly between 8:00 and 24:00.In June every year,the water damage accident is the highest in November,with a total of 7.in gener-al,Historically,the closure of coal mines and the continuous mergers and reorganization of coal mines,There are many closed mines and abandoned roadways in the mining area,Increase the possibility and complexity of water damage accidents,water dam-age in the old goaf is the main control factor affecting safety production,Prevention and control need to be strengthened,and the a-bove problems should be actively addressed in the development of the 14th Five-Year coal industry.
Yunnan provincewater damage accidentsstatistical analysisintegrated coal mine area
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NSTL
万方数据
