The explosion equivalent is about 80 kg TNT, and the cause of 5 deaths in Shenyang was released.

It is a gas leak caused by illegal construction

onemoon15On March 20, Shenyang Emergency Management Bureau announced Shenyang "10.21"tofivediefifty-twoAccording to the investigation report of injury and explosion accident, the cause of the accident is that during the gas grid-connected construction in this store, the construction personnel failed to effectively seal the inlet flange after opening it, resulting in gas leakage through the flange opening.threehour25When the mechanical thermostat of the second floor electric ice display cabinet in the room is closed or disconnected, the electric spark will explode, and the explosion equivalent is about.80kg TNT.

The report mentioned that Liu Mouyu, the chairman of Shenyang Gas Co., Ltd., Shimou, the director of Shenyang Urban and Rural Construction Bureau, and Zhang, the head of Heping District Government, should be held accountable.32The name list and related clues shall be handed over to the Supervisory Committee of the Commission for Discipline Inspection for handling according to laws and regulations; Those suspected of committing crimes shall be handed over to judicial organs by the Commission for Discipline Inspection and Supervision for criminal responsibility according to law.

2021year10moon21Taiyuan South Street, Heping District, Shenyang222No. Sheng Wang Erniu Barbecue Restaurant, pipeline gas leakage and explosion accident occurred, resulting infivePeople die,threeSeriously injured,forty-ninePeople are slightly injured, and the direct economic loss is about.4425Ten thousand yuan.onemoon15On April, Shenyang Emergency Management Bureau announced the investigation report of the incident. After investigation, it was found that Taiyuan South Street, Heping District, Shenyang City222No. "10·21The gas leakage and explosion accident in a large pipeline is a major production safety responsibility accident.

It is mentioned in the report that the direct cause of the accident is that during the gas grid-connected construction of Shengwang Erniu Barbecue Restaurant, the construction workers opened the inlet flange of the inlet pipe valve, and after the grid-connected construction welding operation was completed, the flange port was not effectively sealed, and the tightness of the flange port was not checked after ventilation, resulting in gas leakage through the flange port for a long time.threehour25Points.

The leaked gas naturally diffuses in the indoor third floor space of Shengwang Erniu Barbecue Restaurant, and the concentration after mixing with air reaches the explosion limit range (the volume concentration of gas in the first floor space is about7%-9%Between, the second floor space is about7.2%-8.5%Between, three layers of space is about7.4%-8.7%) When the mechanical thermostat of the indoor second-floor electric ice display cabinet is closed or disconnected, it will explode, and the explosion equivalent is about.80kg TNT.

In addition, it is mentioned in the report that there are the following indirect reasons for the explosion accident: Dalian Construction Engineering allowed others to use the company’s qualifications to undertake the pipeline network reconstruction project, failed to immediately supervise the rectification when it was found that there were violations of laws and regulations on the site, and organized the fabrication of false information on project management after the incident; Shenyang Gas Company illegally organized the bid evaluation of engineering projects, and the safety production performance and on-site construction supervision and management were not in place.

Support for the report on the accountability of the person responsible for the accident, and support for Dalian Construction Engineering Corporation and related responsible persons, engineering administrators of Shenyang Gas Company and on-site construction personnel, etc.10Some people suggested that it be transferred to judicial organs. Liu Mouyu, chairman of Shenyang Gas Co., Ltd., Shimou, director of Shenyang Urban and Rural Construction Bureau, and Zhang, head of Heping District Government, who should be held accountable.32The name list and related clues shall be handed over to the Supervisory Committee of the Commission for Discipline Inspection for handling according to laws and regulations; Those suspected of committing crimes shall be handed over to judicial organs by the Commission for Discipline Inspection and Supervision for criminal responsibility according to law.