On December 26, 2018, the municipal and Environmental Engineering Laboratory of Beijing Jiaotong University exploded and burned, killing three students. On February 13, 2019, the Beijing Municipal Government & ldquo; 12 & middot; 26 & rdquo; and the Accident Investigation Team published the Accident Investigation Report.
According to the conclusion of the accident investigation, the public security organ investigates Li Desheng, the person in charge of the scientific research project of the accident, and Zhang Qiong, the administrator of the accident laboratory, according to the law, and investigates the case, and investigates the criminal responsibility. According to the authority of cadre management and the decision of the Ministry of Education and Beijing Jiaotong University, 12 cadres, such as Cao Guoyong, Secretary of the Party Committee of Beijing Jiaotong University, Ningbin, Vice-President Guan Zhongliang, and the Party Committee of the Civil Construction Engineering College, were held accountable and given disciplinary sanctions respectively.

Beijing Jiaotong University & ldquo; 12_26 & rdquo; accident investigation report
On December 26, 2018, the municipal and Environmental Engineering Laboratory of Beijing Jiaotong University exploded and burned, causing three deaths. After the accident, the main leaders of the Municipal Party Committee gave instructions, demanding that all efforts be made to carry out rescue and rescue to ensure the safe disposal of the scene; the main leaders of the Municipal Government rushed to the scene of the accident and directed the deployment of rescue and emergency disposal. The Municipal Government immediately set up an accident investigation team, and the Municipal Discipline Commission and Municipal Supervision Commission appointed personnel to participate in the investigation and treatment.
According to the principles of “ scientific and rigorous, according to the law and regulations, seeking truth from facts and emphasizing practical results, the accident investigation team has conducted in-depth analysis and repeated demonstration by a group of experts in the fields of chemical engineering, explosion, criminal investigation and fire investigation through on-site investigation, detection and identification, investigation and evidence collection, simulation experiments, and commissioned experts from the relevant fields of chemical engineering, explosion, criminal investigation and fire investigation to identify the course and causes of the accident and identify the accident. Quality and responsibility, and put forward suggestions on the handling of the responsible personnel and units, and accident prevention and corrective measures. Recently, the municipal government officially approved the Beijing Jiaotong University & ldquo; 12 & middot; 26 & rdquo; accident investigation report. The accident investigation team confirmed that the accident was a responsible accident.

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After investigation, the direct cause of the accident is that in the process of stirring and reacting magnesium powder and phosphoric acid with a mixer, the hydrogen generated in the hopper is ignited and exploded by the spark produced by metal friction and collision at the rotating shaft of the mixer, which then causes the explosion of magnesium dust cloud, which causes the combustion of surrounding magnesium powder and other combustibles, and causes the burning of three students at the scene. At the same time, the accident investigation team found that the personnel of Beijing Jiaotong University carried out experiments and risky operations in violation of regulations; purchased and stored dangerous chemicals in violation of regulations; and the safety management of laboratories and scientific research projects was not in place.
According to the conclusion of the accident investigation, the public security organ investigates Li Desheng, the person in charge of the scientific research project of the accident, and Zhang Qiong, the administrator of the accident laboratory, according to the law, and investigates the case, and investigates the criminal responsibility. According to the authority of cadre management and the research and decision of the Ministry of Education and Beijing Jiaotong University, 12 cadres, including Cao Guoyong, the Secretary of the Party Committee of the school, Ningbin, the vice-president, Guan Zhongliang, and the Party Committee of the Civil Construction Engineering College, are held accountable and given disciplinary sanctions respectively.
In addition, one afternoon before the accident, people reported to the Haidian District Environmental Protection Bureau and the Municipal Non-Emergency Relief Service Center that organic gases and laboratory exhaust gases were emitted from the Civil Engineering Laboratory on the north side of the Nanmen Teaching Building in the East Campus of Beijing Jiaotong University, which often gave off peculiar odors, causing inconvenience to nearby residents. The Municipal Discipline Commission and the Municipal Supervisory Committee shall investigate and collect evidence on the acceptance of the reports and conduct interviews with relevant personnel. The investigation shows that the acceptance of the report by the Haidian Environmental Protection Bureau and the Municipal Non-Emergency Relief Service Center conforms to the procedures and requirements stipulated in the Opinions on the Classification of Letters and Visits by Legal Approaches and the Measures for the Management of the Hotline Work of Environmental Protection Reporting.
Safety management system, strengthen personnel training, clear responsibility for safety management, strict implementation of safety management measures, resolutely prevent such accidents. In view of the problems exposed by the accident, the municipal Party committee and the municipal government require that all levels of Party Committee and government strictly abide by the safety & ldquo; red line & rdquo; learn the lessons of the accident deeply and truly achieve the & ldquo; be responsible for keeping the soil and fulfilling the responsibility of keeping the soil & rdquo; all levels of leading cadres should dare to touch the truth and strictly implement the safety responsibility system to achieve the & ldquo; be responsible for the same party and government, one post and two posts, jointly grasp the responsibility, and pursue responsibility for negligence & R The whole city should carry out the special rectification of the safety management of the production, sale, transportation and storage of dangerous chemicals and thoroughly investigate the potential safety hazards in all links. Institutions of higher learning should draw lessons from accidents, draw lessons from one incident to the other, earnestly implement the safety management standards for hazardous chemicals in laboratories of Beijing ordinary colleges and universities, earnestly fulfill the responsibility of the main body of safety management, comprehensively carry out the investigation and rectification of potential laboratory safety hazards, clarify the working rules of laboratory safety management, and further improve and perfect them.
(Source: New Chemical Additive Materials)