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国内事故
石油化工
辽宁大连石化“8·17”火灾事故
2017年8月17日，中国石油大连石化公司140万吨/年重油催化裂化装置原料泵发生泄漏着火，事故造成Some equipment such as the upper pipe gallery of the raw material pump and the air cooler were damaged. The direct cause of the accident was: during the production process, the raw material oil pump driving end bearings were abnormally damaged, causing the raw material oil pump to vibrate violently, causing the seal bellows to break, and the preheating wire at the pump outlet to break, causing oil leakage and fire.
"8·10" fire accident of Zhongjie Petrochemical Co., Ltd. in Cangzhou, Hebei Province
On August 10, 2017, a fire accident occurred at Zhongjie Petrochemical Co., Ltd. in Cangzhou, Hebei Province, resulting in 2 deaths and 12 injuries. The direct cause of the accident was: 1.2 million tons/year catalytic cracking unit air compressor outlet cooler internal leakage, the company did not effectively isolate the system during the process of organizing the maintenance unit to replace the cooler outlet valve, resulting in condensed oil From the absorption tower, escapes into the cooler outlet and leaks and spreads. When metal hits, sparks flash and , causing on-site workers casualties.
Gansu Lanzhou Petrochemical Company "8.27" hydrogen sulfide poisoning accident
On August 27, 2002, a hydrogen sulfide gas leak occurred on the Xigu Ring East Road outside the north wall of the refinery of Lanzhou Petrochemical Branch, resulting in a personnel poisoning accident, resulting in 5 deaths , 45 people were poisoned to varying degrees, and the economic loss was more than 2.5 million yuan. The immediate cause of the accident was that the operators of alkylation workshop violated regulations and discharged part of the acidic waste oil in the waste acid settling tank into the sulfurous sewage system. The discharged high-concentration waste acid reacts with sulfide in sulfur-containing sewage to produce hydrogen sulfide gas. As the reaction continues, a large amount of hydrogen sulfide gas accumulates and diffuses in the sewage pipe, and is discharged through the unsealed observation well. The higher concentration of hydrogen sulfide gas diffuses along the ground to the road, causing people in passing cars and road Pedestrians were poisoned and died.
Fine chemical industry
Shandong Dongying Binyuan Chemical Co., Ltd. "8.31" explosion accident
On August 31, 2015, the diamine workshop of Shandong Dongying Binyuan Chemical Co., Ltd. with an annual output of 20,000 tons of modified adhesive new material joint production project The mixed dinitrobenzene unit exploded during the feeding trial process, killing 13 people. The direct cause of the accident was: before the explosion accident, the enterprise had organized feeding trials twice, but both of them were forced to stop because of the large temperature fluctuation and unstable operation of the nitration machine. On the day of the accident, the person in charge of the enterprise forcibly organized a test run again when the cause of the above-mentioned abnormal situation was not found. Nitrobenzene, causes fire and explosion. Since the follow-up device has not been completed, many foreign construction teams were working and staying in the production area when the accident occurred, resulting in increased accident casualties.
Zhejiang Ningbo Jiangning Chemical Co., Ltd. "8.7" poisoning and suffocation accident
On August 7, 2013, a staff poisoning and asphyxiation accident occurred in the maleic anhydride plant under construction in Ningbo Jiangning Chemical Co., Ltd., Zhejiang Province, resulting in 3 deaths. The direct cause of the accident was: three unlicensed radiographic inspection workers from the subcontractor entered the maleic anhydride reactor in violation of regulations to carry out weld flaw detection operations. Because the nitrogen pipelines connected to the reactor were not safely isolated, the operator on the gas phase side opened it by mistake. Nitrogen gas pipe valve , nitrogen into the reactor, resulting in 3 people died of suffocation.
Anhui Fengyuan (Suzhou) Biochemical Co., Ltd. "8.10" poisoning accident
August 10, 2009, Anhui Fengyuan (Suzhou) Biochemical Co., Ltd. 50,000An ethanol poisoning accident occurred during the molecular sieve filling process in the 1 ton absolute ethanol project, resulting in 3 deaths and 1 injury. The direct cause of the accident was: the construction personnel of the contractor entered the molecular sieve tank to work in the molecular sieve tank without applying for a work ticket to enter the confined space and did not take any protective measures, and fainted due to inhalation of ethanol vapor poisoning. After the two guardians found out, they did not take protective measures to enter the tank to rescue people, which eventually resulted in the death of three people.
Tianjin Yikun Fine Chemical Company "8.7" explosion accident
On August 7, 2006, an explosion occurred in the reactor of the nitrification workshop of Tianjin Yikun Fine Chemical Technology Development Co., Ltd. The accident caused 10 deaths and 3 injuries. The immediate cause of the accident was that the speed of adding concentrated sulfuric acid to No. 5 nitration reactor was improperly controlled, which caused the rapid accumulation of chemical reaction heat in the tank, and the failure to cool down in time resulted in the explosion of No. 5 nitration reactor. The impact force and fragments of the explosion caused No. 3, No. 4, and No. 6 reactors to explode one after another.
Shandong Wucheng Kangda Chemical Co., Ltd. "8.4" poisoning and asphyxiation accident
On August 4, 2006, a nitrogen dioxide poisoning accident occurred in the methoxyacetic acid workshop of the first branch of Shandong Wucheng Kangda Chemical Co., Ltd., resulting in 4 people were killed and 4 were injured. The direct cause of the accident was: an operator entered the methoxyacetic acid reactor from the manhole to work, and was asphyxiated by nitrogen dioxide poisoning. When the enterprise organized rescue, without any preventive measures, many people entered the reactor successively for rescue, resulting in poisoning and suffocation.
Inorganic chemical industry
Shandong Guojin Chemical Factory "8.25" explosion accident
On August 25, 2012, an explosion accident occurred in the hydrogen peroxide workshop of Shandong Guojin Chemical Factory, resulting in 3 deaths, 7 injuries and direct economic losses 7.5 million yuan. The direct cause of the accident was that the palladium catalyst and alumina powder in the clay bed entered the oxidation tower along with the hydrogenation solution, causing hydrogen peroxide to decompose and increasing the pressure and temperature inside the tower. After the emergency shutdown, emergency measures such as discharge and pressure relief were not taken, and the high temperature and high pressure caused the upper tower of the oxidation tower to explode.
Harbin Kaile Chemical Products Factory "8.5" Explosion Accident
On August 5, 2011, an explosion occurred in Harbin Kaile Chemical Products Factory, resulting in 3 deaths and 1 injury. The direct cause of the accident was: when 4 staff members were subpackaging sodium chlorite and citric acid , the solid sodium chlorite encountered an open flame or other ignition sources, causing fire and explosion, which eventually led to The barreled sodium chlorite detonated.
Organic Chemicals
"8.26" Explosion Accident of Guangxi Hechi Guangwei Chemical Co., Ltd. on August 26, 2008, an explosion occurred in the organic factory of Guangwei Chemical Co., Ltd. in Hechi City, Guangxi Zhuang Autonomous Region, killing 21 people and 59 others Injured, more than 11,500 people were evacuated within 3 kilometers of the factory area, and the accident caused a direct economic loss of 75.86 million yuan. The direct cause of the accident was: the liquid level of the CC-601 series storage tanks storing acetic acid and acetylene synthesis reaction liquid in the synthesis section decreased as a whole, resulting in the formation of negative pressure in the tank and the inhalation of air. ) mixed to form an explosive gas mixture, which overflows from the liquid level gauge steel wire rope hole, and is detonated by the static spark generated by the steel wire rope and pulley lifting activities, and then the material in the tank flows out and evaporates into a large amount of flammable and explosive vapor cloud that spreads with the wind, and in case of fire A big explosion and fire spread to the whole factory.
chemical fertilizer
“8.2” methanol storage tank explosion accident of Guizhou Xinghua Chemical Co., Ltd.
On August 2, 2008, an explosion and combustion accident occurred in the methanol storage tank of Guizhou Xinghua Chemical Co., Ltd., resulting in the death of 3 construction workers and 2 People were injured and 6 storage tanks were destroyed. The direct cause of the accident was: during the construction of the methanol tank inert gas protection facility, due to violations of regulations by the construction unit, the spare nipple on the top of the refined methanol storage tank was opened, and it was connected with the carbon dioxide pipelineThe connecting pipe is carried out, and the other end of the pipe is extended to the lower part outside the tank, so that the tank body is communicated with the atmosphere through the pipe, and the air enters the tank. The methanol -air mixed gas in the tank leaks through the piping, and the electric welding sparks of the illegal hot work near the refined methanol tank cause explosion and combustion at the nozzle area, and cause the methanol-air mixed gas in the tank to explode through the connecting pipe. After being washed away, a large amount of methanol leaked and burned, causing five nearby storage tanks to explode one after another.
Medicine
Ningxia Yinchuan Yongning County Ningxia Duowei Tairui Pharmaceutical Co., Ltd. "8.4" poisoning accident
On August 4, 2011, the valve of the sewage pipe in the pump room of Ningxia Duowei Tairui Pharmaceutical Co., Ltd. in Yongning County, Yinchuan City, Ningxia Hui Autonomous Region, broke and the pipeline Hydrogen sulfide gas escaped inside, killing 3 people and injuring 2 others. The direct cause of the accident was: the valve of the sewage pipe in the pump room burst suddenly, the shift monitor fainted when he went down to check after hearing the abnormal noise, and two workers on duty fainted when they entered the scene to rescue, and then the personnel involved in the rescue had discomfort reactions respectively. Due to blind rescue, 3 people died in the end.
Coal Chemical Industry
Fujian Jianou Jinfeng Chemical Gas Co., Ltd. "8.31" explosion accident
On August 31, 2019, Jianou Jinfeng Chemical Gas Co., Ltd. was shut down for maintenance. A safety officer and 2 maintenance workers During the hot work on the wet acetylene gas holder, the acetylene gas holder flashed and killed 3 people. The direct cause of the accident was: Jinfeng Chemical hired unqualified personnel to carry out hot work, did not perform replacement exhaust and concentration detection of acetylene gas in gas cabinet before the operation, and commanded hot work in violation of regulations, resulting in residual acetylene and air in the gas cabinet. The formed explosive mixture flashes.
Ningxia Zhongwei United Xinli Chemical Co., Ltd. "8.29" explosion accident
On August 29, 2019, an explosion occurred during the operation of the 2 gas generator of Zhongwei United Xinli Chemical Co., Ltd., resulting in 4 deaths and 3 others Injuried. The direct cause of the accident was: 2. The jacketed boiler of the gas generator was seriously short of water and operated in violation of regulations to replenish water, resulting in the explosion of the jacketed boiler due to violent gasification.
Others
Tianjin Port "8.12" Ruihai Company Dangerous Goods Warehouse Special Severe Fire and Explosion Accident
On August 12, 2015, a fire broke out in Ruihai Company’s dangerous goods warehouse in Binhai New District, Tianjin, followed by two violent incidents The explosion caused a total of 165 deaths, 8 missing, 798 injured, and a direct economic loss of 6.866 billion yuan. The direct cause of the accident was: the nitrocellulose in the container on the south side of the arrival area of Ruihai Company was partially dry due to the loss of wetting agent, and was accelerated to decompose and release heat under the action of high temperature (weather) and other factors, and the accumulated heat spontaneously ignited, causing relative The nitrocellulose and other dangerous chemicals in adjacent containers were burned in a large area for a long time, resulting in the explosion of ammonium nitrate and other dangerous chemicals piled up in the arrival area.
The "8.5" explosion and fire accident at Qingshuihe Hazardous Chemicals Warehouse, Shenzhen City, Guangdong
On August 5, 1993, a huge explosion occurred at the Qingshuihe Hazardous Chemicals Warehouse of Shenzhen Anmao Dangerous Goods Storage and Transportation Company, killing 15 people , 200 people were injured, 25 of them were seriously injured, and the direct economic loss was 250 million yuan. The direct cause of the accident was: the dry miscellaneous warehouse in Qingshuihe was illegally converted into a dangerous chemical warehouse, and a large number of oxidants potassium permanganate , ammonium persulfate , ammonium nitrate, potassium nitrate , etc. Combustibles such as camphor essence and other combustibles were mixed in the warehouse, and the oxidizing agent and the reducing agent reacted and released heat to cause combustion, causing more than 3,000 boxes of matches and a total of more than 210 tons of ammonium nitrate to catch fire, and then caused an explosion. After 1 hour, the fire area A second, powerful explosion occurred, causing more extensive damage and fires.
two
foreign accident
The "8.4" explosion in the port of Beirut, Lebanon
At about 6 pm on August 4, 2020, a warehouse storing a large amount of ammonium nitrate in the port of Beirut, Lebanon experienced a violent explosion. According to the latest statistics, the accident caused more than 234 deaths and more than 6,500 people. People were injured, and the intensity of seismic waves produced by the explosion was equivalent to a magnitude 3.3 earthquake. About 300,000 people were displaced, and economic losses amounted to 10-15 billion US dollars. It is by far one of the most deadly ammonium nitrate explosions in human history. According to the results of the preliminary investigation of the accident, the direct cause of the accident was that the sparks generated during the welding operation in the warehouse ignited the inflammables in the warehouse, and then ignited some explosives in the warehouse ( fireworks and firecrackers, , etc.), resulting in stacking About 2,750 tons of ammonium nitrate in the warehouse exploded.
Explosion accident at a chemical plant in Maharashtra, India
On August 31, 2019, an explosion occurred at a chemical plant of Rumit Chemisynth Pvt near Shirpur District, Dhule, Maharashtra, India, killing 13 people and injuring 72 . Due to the intensity of the explosion, it also cracked the walls of nearby houses and shattered glass. The cause of the accident was that a barrel containing 200 liters of flammable chemicals leaked and exploded, causing a chain explosion of nearby boilers and chemical tanks.
Chemical plant explosion in Texas, USA
On August 31, 2017, affected by Hurricane Harvey, Akema-Crosby chemical plant in Texas, USA was flooded, stored in a refrigerated trailerorganic peroxides decomposed, causing peroxide and the trailer to burn, and the burning smoke caused 21 people to be poisoned. A few days later, another fire broke out in eight refrigerated trucks storing peroxide. In total, more than 350,000 pounds of organic peroxide decomposed and burned, and residents within a 1.5-mile radius of the accident site were evacuated. The cause of the accident was that the chemical plant was flooded by floods caused by Hurricane Harvey, which shut down the power of the plant, stopped the cooling system, and caused the organic peroxide in the refrigerated truck to decompose and ignite spontaneously.
Venezuela Amuai oil refinery explosion accident
On August 25, 2012, propane gas leaked from the storage area of the Amuai oil refinery in the Paraguana Peninsula, the largest oil refinery in the Falcon state of Venezuela due to the weather. After the gas cloud encountered an ignition source, a severe explosion occurred, and two naphtha storage tanks caught fire. The fire spread to the surrounding area of the refinery, and the shock wave from the explosion damaged the Venezuelan National Guard barracks, 200 houses and 10 shops opposite the refinery. The fire caused by the refinery explosion produced a huge black smoke column that could be clearly seen from 10 kilometers away. The accident killed 48 people, injured more than 80 and destroyed a large number of buildings. The immediate cause of the accident was: propane and butane leaked, forming a flammable vapor cloud, which exploded when it encountered an ignition source.
Chevron Oil Refinery Pipeline Rupture Fire Accident in Richmond, California, USA
On August 6, 2012, the sideline pipeline of the crude oil unit of Chevron Oil Refinery in Richmond, California, USA ruptured, leaking flammable, high-temperature light Gasoline. Gasoline volatilizes to form a large amount of flammable vapor cloud. Two minutes after the formation of the flammable vapor cloud, it meets an ignition source and catches fire, causing 6 workers to be injured. The fire produced thick black smoke and filled the residential area around the accident site. A week after the incident, nearly 15,000 residents in the surrounding community suffered from shortness of breath, chest pain, sore throat, and headache. Cause of the accident: Sulfur corrosion occurred in the side line pipeline, resulting in the thinning of the pipeline wall and leakage points.
Source: Emergency Management Department
Editor: Dong Chen
