At about 16:41 on June 13, 2020, a major explosion of a liquefied petroleum gas tanker occurred at the Wenling West Exit of Wenling Section of the Shenhai Expressway in Wenling City, Taizhou City, causing 20 deaths and 175 hospitalizations Treatment, of which 24 people were seriously injured, and the direct economic loss was 94.77815 million yuan.
On December 31, the Zhejiang Provincial Department of Emergency Management website recently announced the investigation report on the major explosion accident of the "6·13" LPG tanker in the Wenling section of the Shenhai Expressway.
Regarding the problems in the performance of duties of local party committees, governments and relevant departments and other public officials discovered during the investigation of the accident, the Zhejiang Provincial Commission for Discipline Inspection and Supervision organized inspections and investigations in accordance with regulations and laws, and held accountability for 30 responsible persons. .
Through in-depth investigation and comprehensive analysis, the accident investigation team determined that the direct cause of the accident was:
When Xie Zhigao, the driver of the accident vehicle, drove the vehicle from the 60km/h road section to the 30km/h curved road section, failing to take timely deceleration measures caused the vehicle to roll over, the front end of the tank and the flyover The end of the concrete guardrail was violently impacted to form a breach, which was quickly torn and disintegrated under the action of the impact force and the pressure in the tank. The liquefied petroleum gas in the tank was quickly released, vaporized, and diffused. When it encountered sparks generated by passing motor vehicles, it ignited. A steam cloud explosion occurred.
The accident investigation team conducted surveys, sampling, inspection and identification of the accident site to eliminate the factors that may cause rollover due to vehicle failures; eliminate the factors that may cause the tank to tear and disintegrate due to the actual performance of the tank material that does not meet the requirements.
The accident investigation team eliminated unlicensed driving, drunk driving, drug driving and other factors by investigating and collecting evidence and judicial appraisal of drivers. The accident investigation team organized experts to demonstrate the impact of the accident on the accident when the rotating anti-collision fence and the concrete fence of the flyover bridge were not overlapped. It can be determined that the rotating anti-collision fence did not conform to the design and construction. Technical standard requirements are the indirect cause of accidents.
In addition, the relevant units of the accident also have corresponding problems:
Ruian Ruiyang Dangerous Goods Transportation Co., Ltd. and Ye Yanfu and other main persons in charge ignore the national laws and regulations on the transportation of hazardous chemicals, fail to implement the main responsibility of safety production such as GPS dynamic supervision, safety education management, and truthful uploading of electronic road bills, and there are vehicles anchored Business violations are the main cause of accidents.
The GPS monitoring platform operation service provider violated the regulations and helped Ruiyang Transportation Company to evade the main responsibility of GPS monitoring and electronic road bill uploading. The industry association failed to truthfully carry out the grade assessment of the safety production standardization construction. The owners, construction and supervision units of the accident ramp upgrading and renovation project were on the anti-collision fence Failure to perform their duties during the construction process is an important reason for the accident.
