| Buried oil tank is an important storage and transportation facilities of oil,which has many advantages,such as delaying the evaporation loss of oil,easy to use and daily management,combating reconnaissance and strike.The building has undergone three stages of development since the founding of the PRC,a large number of buried oil tank were widely used in oil depot construction.But in recent ten years,many oil and gas tank fire and explosion accidents occurred,exposed the flaws in the design,construction and application in the management of the buried oil tank.Improving design by learning lessons to reduce the probability of buried oil tank major accidents and restrain the expansion trend of accident loss effectively has became an important subject of buried oil tank construction.Through the course development of all kinds of buried oil tank,building structure and investigation of application of management etc.The advantages and disadvantages of the oil tank are analyzed systematically.On the basis of statistical analysis of oil tank accidents,combining with specific accident cases,through the causal chain theory and risk theory.Analyzed of main types of buried tank accidents probability and cause.By using the method of blocking the accident link and limiting the element superposition,to improve the design of layout,oil seal and the ventilation system of the buried oil tank.And the scheme is used in certain project of oil product expansion,solved the buried oil tank safety problems of block oil seal,fire layout,etc.Improved the ability of oil depot safety and accident prevention.Finally,according to the existing problems of specification of buried oil tank construction and design.Proposing that is necessary to improve the design of fire distance,soil structure,capacity selection,fire protection,ventilation,electrical system and so on,to form a special specification for design and construction of buried oil tank.For providing a better basis for the design of soil buried oil depot. |
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