1 Domestic accident
1 Petrochemical
Shandong Binhua Binyang Fuel Chemical Co., Ltd. "1·1" naphtha poisoning accident
On January 1, 2014, an naphtha leaked during the tank cutting operation in the middle of the storage and transportation workshop of Shandong Binhua Binyang Fuel Chemical Co., Ltd., causing hydrogen sulfide poisoning accident, causing 4 deaths and 3 injuries, and direct economic losses of 5.36 million yuan. The direct cause of the accident was: the cleaning pipeline system was open at the time of the incident. When the operator was performing the can cutting operation, he mistakenly opened the valve on the oil pouring line of the tank, so that the high sulfur-containing naphtha was inserted into the cleaning line through the oil pouring line, and the naphtha leaked from the flange disassembled by the cleaning line. The hydrogen sulfide in the leaked naphtha volatilized, causing hydrogen sulfide poisoning on-site operators and subsequent disposal personnel in the workshop.
"1·19" heavy oil catalytic device explosion accident in PetroChina Fushun Petrochemical's "1·19" heavy oil catalytic device Explosion accident on January 19, 2011, a flash explosion accident occurred in the stability unit of the PetroChina Fushun Petrochemical Branch's PetroChina Fushun Petrochemical Branch's PetroChina Fushun Petrochemical Branch's stable unit, causing 3 deaths and 4 minor injuries. The direct cause of the accident was: the low-point condensation valve on the lower inlet pipeline of the shell of the heavy oil catalytic device stabilization unit reboiler, the welding point of the fixed valve stem nut gland cracked, the valve gate lost its fixation, the valve failed, the deethane gasoline leaked and evaporated, and formed an explosive mixture with the air, and the explosion caused by static electricity generated by the injection.
Explosion accident in the "1.7" tank area of PetroChina Lanzhou Petrochemical
On January 7, 2010, a fire and explosion occurred in the 316 tank area of Lanzhou Petrochemical Company, causing 6 deaths, 1 serious injury and 5 minor injuries. The direct cause of the accident is that there are defects in the elbow of the carbon four-ball tank discharge pipe in the 316# tank area, causing local brittle cracking of the elbow, causing the flammable and explosive carbon four- material to leak and spread, and causing explosions when exposed to an open flame of the incinerator. The company failed to conduct regular inspections of the accident pipelines in accordance with regulations, failed to implement the accident pipeline replacement plan in accordance with regulations and set up automatic interlocking and cutting devices for the material pipes in and out of the storage tank, resulting in the inactivity of the leakage source being unable to be urgently cut off in the accident state, resulting in the expansion of the leakage and causing an accident.
2 Fine Chemical
Zhejiang Linhai Huabang Pharmaceutical Chemical Company's "1·3" explosion accident
On January 3, 2017, an explosion and combustion accident occurred in the C4 workshop of Zhejiang Huabang Pharmaceutical Chemical Co., Ltd., located in Linhai Park, Zhejiang Provincial Chemical Raw Materials Base, Linhai City, causing 3 deaths and direct economic losses of more than 4 million yuan. The direct cause of the accident was: toluene did not steam out during decompression distillation, and the workers on duty increased the steam opening without authorization and used the steam bypass channel illegally, causing the main channel pneumatic valve to automatically cut off and lose its function. The steam volume is too large, and the unreacted raw materials continue to react and exothermic. The temperature in the kettle continues to rise and exceeds the decomposition temperature of the reaction product (including orosoic acid). The reaction product decomposes rapidly and releases heat, and the system pressure and temperature rise rapidly, which eventually leads to a physical explosion in the overpressure of the reactor.
"1·9" hydrogen fluoride leakage poisoning accident in Weifang Changxing Chemical Co., Ltd.
On January 9, 2016, an hydrogen fluoride leakage poisoning accident occurred in the tetrafluoroterephthalene dimethanol workshop of Weifang Changxing Chemical Co., Ltd., causing 3 deaths and 1 injury. The direct cause of the accident was: hydrogen fluoride vapor was produced during the production process of tetrafluoroterephthalene dimethanol. Due to the illegal operation of the operation of the production process by the operators and the unscrupulous sealing of the reactor feed cover, the hydrogen fluoride leaked and spread, causing poisoning of workers on site and adjacent workshops.
"1·4" reactor explosion accident in Xiangyang Chemical Plant, Jiaxing, Zhejiang Province
On January 4, 2012, the concentration kettle of the dichloroethane workshop of Xiangyang Chemical Plant, Jiaxing City, Zhejiang Province exploded, causing a fire, killing 3 people and injuring 4 people, and direct economic losses of about 1.2 million yuan. The direct cause of the accident was that excessive amount of hydrogen peroxide and unreacted diisopropylamine were added dropwise, and a chemical explosion occurred under the concentration and heating operation conditions in the concentration kettle.
3 Organic Chemical
Shandong Heli Kerun Chemical Co., Ltd. acetonitrile device "1·1" explosion
On January 1, 2009, an explosion occurred in the acetonitrile device of Dezhou Heli Kerun Chemical Co., Ltd. in Shandong Province, killing 5 people and injuring 9 people.The direct cause of the accident was that the two fixed bed reactors that exploded, are second-hand equipment that were not cleaned. Due to the carbon deposits and oil stains in the shell, the molten salt , the main components of potassium nitrate , sodium nitrate and sodium nitrite were accelerated to decompose at high temperature, and an explosion occurred.
4 Inorganic chemical
Fujian Longyan Zijin Copper Industry Acid Production Workshop "1·26" Poisoning Accident
On January 26, 2012, a poisoning accident occurred in the desulfurization tower operation area of the Zijin Copper Industry Co., Ltd. acid production workshop of Jiaoyang Industrial Concentration Zone, Shanghang County, Longyan City, Fujian Province, killing 3 people and injuring 1 person. The direct cause of the accident was: the ash can was blocked at the time of the incident, a worker on duty fainted during the dust cleaning operation, and the other three workers did not wear protective equipment to rescue them, and were successively poisoned.
Inner Mongolia Wuhai Chemical Co., Ltd. "1·18" explosion accident
On January 18, 2011, Inner Mongolia Wuhai Chemical Co., Ltd. exploded at the leak point at the connection between the high-purity hydrochloric acid intermediate tank waste gas exhaust pipe and the drainage summary pipe in the synthesis section, causing the death of three workers. The direct cause of the accident is that during the acid production process, a small amount of dissolved and entrained hydrogen entered the high-purity hydrochloric acid intermediate tank with hydrochloric acid. Due to the decrease in the pressure of the intermediate tank, the dissolved and entrained hydrogen gradually precipitated from the liquid phase hydrochloric acid. The connection between the drain pipe and the drain assembly pipe cracks, causing hydrogen leakage. The maintenance worker used the angle grinder to generate sparks during the operation, detonating hydrogen. As each hydrochloric acid storage tank is connected in the gas phase space, three hydrochloric acid storage tanks exploded.
5
Fertilizer
Jilin Tonghua Chemical Co., Ltd. "1·18" explosion
On January 18, 2014, an explosion occurred in the water supply pump room of Jilin Tonghua Chemical Co., Ltd. methanol synthesis system, causing 3 deaths and 5 injuries, and direct economic losses of 2.55 million yuan. The direct cause of the accident was that after the discharge of the work, the operator on duty failed to close the Yanjing alcohol delivery valve, and the return pipe valve opened too much, causing the dilute alcohol in the net alcohol tower to drop below the controlled liquid level. The successor also did not find that the dilute alcohol liquid level at the bottom of the net alcohol tower was lower than the control line, causing the high-pressure process gas to flow back to the dilute alcohol tank (atmospheric pressure tank), causing the connection between the dilute alcohol tank and the return pipeline to break, causing a large amount of combustible mixed gas (mainly H2) to quickly fill the water supply pump room, reaching the explosion limit, and an explosion occurred after being ignited by static electricity.
"1·6" ammonium nitrate explosion accident in Xinghua Group, Shaanxi Province,
On January 6, 1998, the ammonium nitrate device of Xinghua Group, Shaanxi Province, killed 22 people and injured 58 people, and direct economic losses of 70 million yuan. The direct cause of the accident is: the ammonia supply system is unbalanced, and the accumulated oil and chloride ion liquid accumulated in the ammonia system are brought from the ammonia system to the ammonium nitr production system. The temperature of the ammonium nitrate solution with high oil and chloride ions increases when the granulation system is stopped, and the heat is self-catalyzed and released. In a very short time, the high heat generated by the decomposition and a large amount of high-temperature gas products accumulate, resulting in the explosion of ammonium nitrate .
6 Chemical Pharmaceutical
Jiangsu Kunshan Kangda Pharmaceutical Chemical Company's "1·13" reactor explosion accident
On January 13, 2007, the melting reactor in the nitride workshop of Kangda Pharmaceutical Chemical Co., Ltd., Jiangsu Kunshan Kangda Pharmaceutical Chemical Co., Ltd. exploded, killing 7 people. The direct cause of the accident is that when the operator operates the nitroester melting reactor, in order to speed up the melting speed, he opened the large steam supply valve, causing the temperature to rise too quickly and causing the reactor to explode.
7
Peticide
Anhui Kangda Chemical Co., Ltd."1·9" Poisoning Accident
On January 9, 2014, an employee in the rental site of Anhui Kangda Chemical Co., Ltd. suffered a poisoning accident during the pipeline maintenance process, resulting in 4 deaths and 2 minor injuries. The direct cause of the accident was: the operators illegally entered the pump operation well to inspect the sodium methylmercapto pipeline, inhaled sulfur-containing toxic gases (hydrogen sulfide, methylmercapto , etc.) and were poisoned. Later, the accident was amplified due to improper organization of rescue on the spot.
Hubei Sharonda Co., Ltd. "1·12" reactor explosion accident
On January 12, 1995, a trichlorothiophosphate reactor in the two phosphorus workshop of the pesticide plant of Sharonda Company, Hubei Province, exploded, killing 3 people and injuring 1. The direct cause of the accident is that a large amount of phosphorus trichloride was put into the reaction kettle, and it did not fully react with sulfur , resulting in accumulation. After the materials in the kettle boil, the accumulated phosphorus trichloride reaction gradually intensified, and the explosion-proof film was washed away. The high pressure in the kettle caused the cast iron clip of the kettle cover flange bolt to break, and an explosion occurred.
8 Coal Chemical
Xinjiang Turpan Hengze Coal Chemical Co., Ltd. "1·24" flash explosion accident
On January 24, 2018, a flash explosion accident occurred during the construction of the 180,000 tons/year tar processing environmental protection renovation project of Turpan Hengze Coal Chemical Co., Ltd. in Xinjiang Autonomous Region, causing 3 deaths and 1 injury. The direct cause of the accident was: the relevant operators had seriously violated regulations in operation, and had used open flame baking flange screws without obtaining a fire permit, taking safety measures, and the supervisors were not in place, causing volatile combustible gases to explode inside the high-placement tank of asphalt .
"1·6" gas poisoning accident in Xinjiang Dahuangshan Hongji Coking Co., Ltd.
On January 6, 2011, During the trial production process, a gas poisoning accident occurred in the decarbonization pump room of the synthesis workshop, causing 3 deaths and 1 minor injury. The direct cause of the accident is that the condensate pipeline is connected to the inlet of the saturation tower, and the design is defective; the pipeline in the decarbonized pump room is connected to the gas device, and there is no toxic and harmful gas alarm in the room, and the guide is not set outdoors. The condensate valve entering the saturated tower leaks, causing the coke oven gas in the saturated tower to cross the series to the decarbonized pump room, causing people to be poisoned.
9
Other
Henan Shunda New Energy Technology Co., Ltd. "1·14" poisoning accident
On January 14, 2021, Henan Shunda New Energy Technology Co., Ltd., located in Zhumadian High-tech Industrial Development Zone, , was located in Zhumadian High-tech Industrial Development Zone, and a suffocation accident occurred while performing a protective agent extraction operation in the 1# hydrolyzing protective agent tank, causing 4 deaths and 3 injuries, and direct economic losses of about 10.1 million yuan. The direct cause of the accident is: the operators violated the rules to carry out restricted space operations, causing the operators to faint due to hypoxia, suffocate and faint, the personnel on the scene lacked rescue capabilities, and the organization was chaotic, which led to the expansion of the accident.
"1.27" oil pipeline leakage and explosion accident of Guigang Branch of Guangxi Petroleum Company
On January 27, 2000, the gasoline pipeline of Guigang Branch of Guangxi Petroleum Company leaked, causing combustion and explosion, killing 8 people and injuring 17 people. The direct cause of the accident was: the welds of the oil pipeline cracked, the gasoline in the pipe leaked out and entered the sewer, and the curious migrant workers ignited the oil with a lighter, causing a combustion and explosion.
2 Foreign accident
"18" oil pipeline explosion in Hidalgo State, Mexico
On January 18, 2019, an oil pipeline facility at Petro Mexico, Travelilpan, Hidalgo State, Mexico exploded, killing 100 people and injuring many. The direct cause of the accident was: the oil pipeline leaked after being drilled by illegal elements, and the explosion occurred when it encountered an ignition source. After the leak occurred, a large number of local people gathered nearby to collect the leak, which eventually led to the spread of casualties. It is also reported that the explosion of the pipeline was stopped in late December 2018. Pemex re-activated on January 16 in order to solve the fuel shortage of Mexico City . Under the transportation pressure, cracks appeared in the pipeline that had been repaired before, causing gasoline leakage and causing people to rob.
Fire accident at the refinery of Toran General Petroleum Company in Wakayama Prefecture, Japan
On January 18, 2017, an oil storage tank of the refinery under the Toran General Petroleum Company in Wakayama Prefecture, Japan caught fire during the cleaning operation. It burned for nearly 9 hours and then went out after burning for nearly 9 hours. It caught fire again on January 22. The fire occurred near the lubricant oil production device group No. 2 propane dewaxing device and the lubricant oil extraction, hydrothermal and desulfurization purification device No. 2, which once caused nearly 3,000 people in the surrounding area to take emergency shelter, with an overburning area of about 850 square meters.The direct cause of the accident is that the iron sulfide in the residual slurry in the storage tank spontaneously ignites, and no one may be on-site for supervision in the early stage of the fire, resulting in the expansion of the accident. The reason for the fire again on January 22 was that the high-pressure purge gas pipeline system of the second lubricant oil extraction and hydrogen refining device had multiple cracks and a flange that did not meet the regulations, which may cause the leakage of hydrogen-containing flammable gases and catch fire.
"1.21" explosion accident at the Tusco Avon oil refinery in the United States
On January 21, 1997, an explosion and fire broke out in the hydrocracking unit of the Tusco Avon oil refinery in California, USA, killing 1 person and injuring 46 workers, including 13 seriously injured. The direct cause of the accident: The reactor outlet pipe of Section 2 No. 3 broke due to the reactor temperature deviation (the maximum temperature may exceed 760℃), light gas leaked out of the pipeline, and spontaneously ignited in air, causing explosion and fire; after the employee found that the temperature deviation, the emergency pressure relief system did not be used as required, and the management did not take corresponding rectification measures, and the operator took risks to cause the accident.
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▌Source: Ministry of Emergency Management of the People's Republic of China
is the greatest encouragement to emergency responders!
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