Typical Causes of Chemical Industry Accidents in China in Five Years

Operator misoperation. According to Guangming News Network, Hebei Tangshan Huayi Industrial Company's "3 times 1" major explosion accident: On March 1 day, 2065, Hebei Tangshan Huayi Industrial Co., Ltd. organized the contractor Qian 'an Tian Liang Construction Electromechanical Installation Engineering Co., Ltd. to overhaul the sewage tank of benzene hydrogenation workshop, and an explosion accident occurred, resulting in 4 deaths and 6,544 people. The direct causes of the accident are: a small amount of benzene series organic matter is entrained in the salt-dissolving sewage of benzene hydrogenation workshop, which accumulates in the sewage tank and volatilizes into the gas phase space above the liquid level; The management of hot work in Huayi Company is not in place, and the ignition source generated by the operator during the inspection and maintenance of the tank top causes the flammable gas on the tank top to catch fire, which in turn leads to deflagration.