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Twenty - three people have been held accountable for a carbon dioxide asphyxiation accident at Xing'an Coal Mine in Hegang, Heilongjiang Province, on May 20, 2024. The accident was caused by the non - implementation of fire prevention and control measures, illegal organization of operations during the disposal of spontaneous combustion fire hazards, and inadequate safety management. Here is a brief introduction to the accident and its handling: Accident Overview Time: At approximately 19:52 on May 20, 2024. Place: Xing'an Coal Mine of Longmei Hegang Mining Co., Ltd. Casualties: 5 deaths and 4 injuries. Direct Cause of the AccidentDuring the disposal of spontaneous combustion fire hazards in the goaf of the retreating working face, the mine illegally used the grouting pipeline to inject liquid carbon dioxide. The sealing rubber gasket at the pipeline connection became brittle and damaged due to low temperature, resulting in the leakage of liquid carbon dioxide and the generation of high - concentration carbon dioxide gas, which led to the asphyxiation of the operating personnel in the track roadway in front of the closed - off area of the retreating working face. Handling of the AccidentThe accident investigation team put forward suggestions on the handling of 23 responsible persons and relevant units, and the Heilongjiang Provincial Commission for Discipline Inspection and Supervision put forward accountability opinions on the supervised objects and Party members and cadres. A total of 23 people, including the director and Party secretary of Xing'an Coal Mine, the chairman and general manager of Hegang Mining Company, and two people from the safety supervision department of Longmei Group, were given Party discipline and government affairs sanctions. Among them, five people were given administrative sanctions such as fines, suspension, and revocation of the qualification for passing the safety production knowledge and management ability assessment. Xing'an Coal Mine was given administrative sanctions such as temporarily suspending the safety production license and fining. It was required to make a profound inspection to Hegang Mining Company. Hegang Mining Company was ordered to make a profound inspection to Longmei Group, and Longmei Group was ordered to make a profound inspection to the Heilongjiang Provincial Party Committee and the Provincial Government.
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