After the Wenling accident, the Ministry of Transport, Zhejiang Province, Shandong Province, and Shanxi Province collectively issued a document requesting a special action for the safety inspection and rectification of the hazardous chemicals transportation industry. Recently, many provinces and cities such as Henan, Hubei, Ningxia, Xinjiang, and Shanghai have successively issued relevant policies on the transportation of hazardous chemicals by road, emphasizing the strengthening of the safety production of hazardous chemicals by road transportation. However, in the past week, dangerous chemical accidents are still happening in succession!
On June 15th, Guangdong Shantou LNG tank truck was rear-ended, Maoming Zhongran emergency rescue!
At 10:20 am on the 15th, an LNG (liquefied natural gas) tank truck driving from Guangxi to Guangzhou was rearranged by a truck on the Yangchun section of the Shan-Zhan Expressway, causing the left side of the LNG tank truck to sag. After preliminary detection at the accident site, the screws at the tank valve and the pipeline interface of the tank truck did not deform and no gas leakage occurred, but there were major safety hazards and the situation was very urgent. Maoming Zhongran Company was notified to cooperate with the rescue work.
After receiving the notice, Maoming Zhongran Company immediately started the first-level safety emergency plan. The safety alert team, safety technology team, fire extinguishing team, unloading team, emergency repair team, and comprehensive support team were all in place. , Firefighting, transportation, market supervision and other departments staff also arrived at the disposal site in advance-Maoming Zhongran Company Yangjiao Town Natural Gas Gasification Station, and pulled up a warning line around the gasification station to prohibit vehicles and pedestrians from entering the station.
At 14:30, the accident tanker was safely escorted to the gate of the gasification station under the escort of the fire and traffic police vehicles. The safety technical team of Maoming Zhongran Company first stepped forward to investigate the damage to the rear of the tank truck and detect the gas leak. After confirming that there was no gas leak, the vehicle was guided into the unloading area of the station and parked. Subsequently, the personnel of the unloading team wearing anti-freezing protective clothing and air breathing apparatus carried out the safety inspection of the tank truck before unloading and the connection of the hose of the unloading truck. Make sure the unloading is carried out safely. Finally, after nearly 7 hours of hard work, the 20 tons of liquefied natural gas loaded on the tank truck were successfully discharged into the storage tank of the gasification station.
6.17 Zhejiang LNG tank truck rear-end
At 8:50 on June 17th, a three-vehicle rear-end collision occurred at Caizhaishang Expressway on Yongjin Expressway in Dongyang City, three kilometers away from Jinhua. One of them was a tanker truck that transported liquefied natural gas. leakage.
It is reported that the whole accident involved a total of 5 vehicles. The tanker truck transported 19 tons of liquefied natural gas. The cause of the accident was introduced by fire rescue personnel and high-speed traffic police. At that time, the road section was being queued due to traffic accidents. The tank truck that came from behind was unable to keep up, and rear-ended with the preceding vehicle, which eventually led to an accident.
Rescue personnel discovered 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 a small hole 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 evacuation plans for the surrounding villages and preparations for organizing the evacuation as appropriate.
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 used a hydrodynamic exhaust device to speed up the diffusion of leaked gas, and used a fire water gun to flush the road surface at the accident site. Rescue workers of Dongyang City 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 perform physical discharge and depressurization 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.
After 19 hours of hard work, at 3 o'clock 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.
6.18 Shandong 30 tons of ethyl acetate tank car crash
At 15:24 on June 18, the command center of Huangdao District Fire Rescue Brigade, Qingdao City, Shandong Province received an alarm, saying that a traffic accident occurred 665 kilometers away from Rizhao on the Shenhai Expressway towards Yantai, and one person was trapped.
However, this accident was not an ordinary rear-end collision, but a tank truck with 30 tons of ethyl acetate collided with a trailer. The vehicle's fuel tank leaked, and the danger was imminent. Vehicles loaded with ethyl acetate are also at risk of leakage. After 20 minutes of emergency rescue, the trapped driver was successfully rescued, and the oil spill was covered with sand.
Because ethyl acetate has the characteristics of flammability and low toxicity, when the concentration is high, it will emit an irritating odor and be easily volatilized. Its vapor and air may form an explosive mixture, which will cause a combustion explosion when exposed to open flames and high heat energy.
In order to prevent accidents, the fire brigade implemented a 300-meter safety alert and used sand and soil to cofferdam the front and rear of the accident vehicle to prevent secondary accidents and environmental pollution caused by ethyl acetate leakage. Foam coverage of oil leakage from the fuel tank of the accident vehicle at the scene, and foam coverage of the tank body and surrounding area of the accident vehicle to prevent ignition of the accident vehicle by open flames and static electricity. The rescue was not completed until three o'clock in the morning on June 19.
The accident caused the closure of Shenhai Expressway's two-way entrance.
On June 19th, a 32.7-ton methanol tanker was rear-ended
On the afternoon of June 19, a traffic accident occurred at 103A, Jinqiao Junction, Guanghong Expressway, Suining City, Sichuan Province: When a towing vehicle loaded with sanitary equipment overtakes, a methanol tank truck with a 32.7-ton rear-end is rear-mounted, causing the rear of the tank truck to deform Risk of methanol leakage or even explosion. The Suining City Emergency Management Bureau of Sichuan Province cooperated with multiple departments to successfully eliminate the danger.
After receiving the accident report, under the leadership of the Municipal Party Committee and Municipal Government, the Municipal Emergency Management Bureau immediately dispatched the staff of the hazardous chemical safety supervision section and emergency rescue section and hazardous chemical experts to the accident site for disposal. After on-site investigation, the tank truck was slightly deformed and no methanol leakage occurred.
Considering that methanol is a flammable and volatile liquid, once the tank body of the tanker breaks and explodes, the consequences are unbearable. In order to avoid the occurrence of secondary accidents, after careful study, the person in charge of the site of the Municipal Emergency Management Bureau worked with various departments to formulate an emergency rescue plan, and decisively took the scientific disposal measures of inverting the methanol of the tank truck to ensure that no dangerous chemical leakage occurred. Accidents to minimize losses.
Under the guidance of experts in the field of hazardous chemicals, the Municipal Emergency Management Bureau immediately contacted the special tank truck and tank truck for methanol transportation to rush to the site to carry out the tank pouring operation. After nearly 2 hours of tank pouring operation, it was completed at 20:50 on the same day. Inverted the tank work and carried out water injection for the accident tanker.
At 20:57, under the circumstances of ensuring safety, all emergency rescue personnel counted equipment and returned to the team safely. After more than 7 hours of fierce battles, with the joint efforts of Suining City Emergency Management Bureau and other departments, the dangerous situation was successfully ruled out. The emergency rescue disposal risk research and judgment, expert guidance and scientific rescue were in place, and no secondary disasters occurred. , To avoid the occurrence of a dangerous chemical accident.
On June 20th, Guangdong Yanghua LNG tank truck caught on fire and two people died
At about 2:30 a.m. on June 20, Guangdong Yanghua Expressway headed for Guangzhou. From the section of Nahuo Station to Bajia Station, a large truck (carrying coal) and a tank truck (carrying liquefied natural gas, leaking) were rear-ended. After the accident that caused the fire. The rear-end collision in Guangdong caused a fire on the front of the LNG tanker, which directly killed two people.
