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首页> 外文会议>14th international conference amp; exhibition on liquefied natural gas (LNG 14) >CONTRIBUTION OF STRUCTURAL ANALYSIS TO LNG PLANT DESIGN
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CONTRIBUTION OF STRUCTURAL ANALYSIS TO LNG PLANT DESIGN

机译：结构分析对液化天然气厂设计的贡献

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Most of the equipment in LNG plants is designed by conventional design methods. However, for specific equipment, Finite Element Analysis has contributed to achieving optimal design and operational safety of LNG plants. (1) Pressure vessels : The operation mode of the dehydration drier is cyclic and the temperature of the fluid changes rapidly.Transient thermal analysis and thermal stress analysis are performed to evaluate the fatigue life of the drier. (2) Piping : Bowing analysis is performed to ensure that excessive deformation, due to non-uniform temperature distributions over the cross sectional areas of the piping, will not occur while its cooling down. (3) Support components : The insulation around supports of equipment, piping and pumps under very low operating temperatures is designed so as to ensure that freezing of the supports will not occur. (4) Tanks : Several types of accidents are considered, such as impact loads on the roof or walls of an LNG tank. Nonlinear dynamic analysis is performed ensure that accidents such as these will not lead to catastrophic failure of the LNG tank.
机译：LNG工厂中的大多数设备都是通过常规设计方法设计的。但是，对于特定设备，有限元分析有助于实现LNG工厂的最佳设计和操作安全性。 （1）压力容器：脱水干燥机的工作模式是循环的，流体温度迅速变化，进行瞬态热分析和热应力分析来评估干燥机的疲劳寿命。 （2）配管：进行弯曲分析以确保在冷却时不会由于在配管横截面上的温度分布不均匀而导致过度变形。 （3）支撑部件：在非常低的工作温度下，设备，管道和泵的支撑周围的绝缘材料的设计应确保不会发生支撑冻结。 （4）储罐：考虑了多种类型的事故，例如LNG储罐顶部或墙壁上的冲击载荷。进行非线性动态分析，以确保此类事故不会导致液化天然气罐发生灾难性故障。

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