8 12 What is the cause of the explosion accident in Tianjin Binhai New Area?

The nitrocellulose in the container on the south side of the arrival area of the dangerous goods warehouse of Hairui Company was partially dried due to the loss of wetting agent, which was accelerated to decompose and release heat under the action of high temperature (weather) and other factors, and accumulated heat and spontaneously ignited, which led to the long-term and large-scale combustion of dangerous chemicals such as nitrocellulose in adjacent containers and the explosion of dangerous chemicals such as ammonium nitrate accumulated in the arrival area.

065438+August, 2005 12 At about 0: 00 in the evening, a container terminal at the intersection of Fifth Avenue and Yuejin Road in Tianjin Binhai New Area exploded. The first explosion occurred at 23: 34: 6 on August 20, 2005, and the magnitude of the near earthquake was about 2.3, equivalent to 3 tons of TNT. The second explosion 30 seconds later, the near earthquake magnitude ML is about 2.9, which is equivalent to 2 1 ton TNT. The earthquake was felt within 10 km, and mushroom clouds could be seen overhead. After the explosion, earthquakes were felt in Tanggu, Binhai, Tianjin, Hejian, Suning, Jinzhou, Gaocheng and other places in Hebei Province, resulting in 165 people killed, 8 people missing (including 5 people in tianjin fire, 3 employees of surrounding enterprises and family members of firefighters in Tianjin Port), 798 people injured and 304 buildings.120. As of 20 15, 12 and 10, the direct economic loss was 6.866 billion yuan. The investigation team of the State Council determined that the fire and explosion accident was a particularly serious production safety responsibility accident. 2016165438+19 October, the Tianjin port bombing case was pronounced in the first instance, and 49 defendants were sentenced to death with suspended sentences ranging from one year to six months.