China News Service, Jinhua, June 20 (Reporter Xi Jinyan) On the 20th, the reporter learned that on the 17th, a car rear-end accident occurred in the direction of Jinhua, Zhejiang Yongjin Expressway. The front of a heavy tank semi-trailer loaded with liquefied natural gas was hit and the liquefied natural gas The protective layer of the small storage tank is damaged. The Dongyang Municipal Party Committee and the Municipal Government quickly launched the plan. All functional departments and the local town government cooperated closely. The rescuers worked against the scorching sun and fought high temperatures. After 19 consecutive hours of intensive treatment, the danger was completely ruled out.

  At 8:16 am that day, a heavy tank semi-trailer loaded with 21 tons of LNG drove from Zhoushan to Jinhua. When the vehicle passed the 125km + 600m section of the Jinhua direction of the Yongjin Expressway, it collided with four container semi-trailers running slowly in the slow lane ahead, resulting in a five-car serial rear-end collision accident.

Five cars serially rear-end. Provided by Dongyang Propaganda Department

  After receiving the accident report, in accordance with the instructions of the main leaders of the Dongyang Municipal Party Committee and Municipal Government, the deputy mayor led more than 100 people in the relevant departments and units, rushed to the scene for disposal as soon as possible, and immediately established an accident disposal headquarters. The main leaders of the Jinhua Emergency Management Bureau also rushed to the scene for guidance, and the Jinhua City Fire and Rescue Detachment also rapidly increased its presence in Dongyang. A battle against time and multi-departmental cooperation to eliminate major risks began.

  Rescue personnel found that the tanker was the last of the five rear-end vehicles during the investigation of the accident site. The tank body was intact, but the protective layer of the small LNG storage tank used as the driving force of the vehicle had small holes damaged, and there were about 260 in it. Kg of liquefied natural gas poses an explosion risk. The headquarters immediately took measures to close the two-way highway, and at the same time issued an instruction to Hulu Town, requesting the rapid formulation of the evacuation plan for the surrounding villages and making preparations for organizing the evacuation as appropriate.

Emergency treatment on site. Provided by Dongyang Propaganda Department

  After consulting the opinions of relevant experts, the headquarters formulated a step-by-step disposal plan in accordance with the principle of "explosion-proof first, then de-risk". The Dongyang City Fire and Rescue Brigade uses a hydrodynamic exhaust device to accelerate the diffusion of leaked gas, and uses a fire water gun to flush the road surface at the accident site. Rescue workers of Dongyang Gas Company wear anti-freeze gloves, anti-static clothing and other protective equipment, while monitoring the concentration of leaking combustible gas in real time, while controlling the flow rate to physically discharge the pressure of the tank.

  After the pressure of the tank dropped, the tank of the accident vehicle was safely transferred to the municipal gas company for liquid discharge treatment; the damaged vehicle power LNG storage tank was transferred to the designated open safe area for emptying disposal. At this point, Yongjin Expressway was able to resume traffic.

  At 3 o'clock in the morning on the 18th, the remaining liquid natural gas in the liquefied natural gas power storage tank of the vehicle was completely emptied, and the safe disposal of the tank body was achieved, and a risk was completely eliminated. (Finish)