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As are about 0.25 MJ, ethylene ignition energy of explosive gas mixtures is only 0.0096 MJ, it is easy to ignite an explosion. Liquefied hydrocarbon under reduced pressure or elevated pressure storage can make it vaporize, volume can be increased 250 times -300 times in an instant, an explosion caused by overpressure. Fire caused by liquefied hydrocarbon leakage, explosion, fire in China's petrochemical enterprises, a large proportion of the explosion, the liquid hydrocarbon tank area is the most accident spill. To prevent an explosion accident, Liquid Hydrocarbon Storage Tank ball in pouring cycle, transfusion process, the fluid flow rate generally not more than 4 m / sec, empty cans into the oil flow rate is less than 1 m / sec, when the inlet is oil after the product immersion can increase the flow rate, but at any time shall not exceed a flow rate of 6 m / sec. According to People's Daily reported that the accident occurred in the enterprise has recently ruled out a security risk. Rizhao Bureau of Quality Supervision special equipment inspection personnel in the enterprise a 1,000 cubic meters of liquefied petroleum gas spherical tanks for regular inspection, found that the spherical tank spherical shell plate matrix present on the surface a crack, then the threat is removed. Public information, Shandong Shida is the chemical industry restructuring and revitalization plan, Shandong Province, the focus of the project is to support key projects Rizhao. The total investment of 30 billion yuan, covers an area of ​​about 1300 acres, plans to build 5 million tons / year oil refining and chemical integration project. Since the project started in 2010, in October 2012 the completion and acceptance. Edit: SN123 Data Figure: Xiao Tian. Video screenshot Deqing County Animal Husbandry Bureau, former director of Dai Hanbiao helped plurality ineligible to apply for farm subsidies to pig farms. Pictured wearing Hanbiao (left) visited the farm. Hebei Ningjin official informed that on the 16th, the county Wang Dong Wang Zhendong Village, dens of illegal fireworks explosion occurred on the 12th, by the public security department of DNA testing than to confirm a total of 21 people were killed. In addition, suspected missing 1; 2 people seriously injured, slightly injured 23 people injured were not life-threatening. Edit: SN123 Umbrellas, cold drinks become a hot day shopping 'standard.' Beijing Times reporter Tan Qingshe BEIJING, July 16 Harbin Electric (Wang Dongliang) Spring Airlines Harbin Branch today released news that, given South Korea a week No new MERS disease