基于热力耦合的LNG接收站集液池结构分析

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中图分类号:TE88 文献标识码:B 文章编号:1004-8901(2025)04-0006-03

Structural Analysis of Collection Tank in LNG Terminals Based on Thermal Coupling

DUMing-yue1,SHIMing-yang,SHIChao-jun,ZHANGRui (1.ChinaWuhuanEngineeringCo.,Ltd.,WuhanHubei 430223,China; 2.NationalPipelineGroupFujian Inuestment(Fujian)NaturalGasCo.,Ltd.,ZhangzhouFujian 363106,China; 3.ConstructionProjectManagement Branch CompanyofNationalPetroleumand NaturalGasPipelineGroupCo.,Ltd., LangfangHebei O6500o,China)

AbstractTheuefoilictiemeaureiiesiealsTsurethrucuralfeyof tiontanks,thissudyalysthetemperaturefieldandmehanicalpropertiesofthecoltiontansstoringlwtemperatureleakedliquid Basedonthermodynamicprciples,theDIANAfiniteelementsoftwarewasusedtoconductaolinearthermomechanicalouplingaalysisf theconcretecollankcollingleakedLGAditionally,tepatofisulationlyersoetmperatueandmchanloprty changesoftheltiotanuctureaestigatedItifoundthatdermperatueodiios,thmpeateofth tankstructuralselatielyucklyWinsuatioetedbaringcapacityfteoneeandforingsat structuraloadequirementsedinaryforingsandlotempeatureeforingrsreasoablystaledHweeiot isulationlaer,thoceeompresiestraclecdsthliitueTeithslatioleattuc turalloadrequirementswhenstoringlow-temperatureleakedliquid,providingareferenceforthedesignofcolectiontankstructures.

Keywords:LNG collectiontank;leakage;temperature field;thermal coupling doi:10.3969/j.issn.1004-8901.2025.04.002

LNG接收站中LNG(设计温度一 ⋅165∘C 进出料管道的泄漏可能危害公众和周边设施的安全,通过收集泄漏的LNG,并通过导液沟排至LNG集液池,使其产生的蒸汽云浓度处于爆炸下限以下,达到控制事故发生的目的[1]。(剩余3747字)

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