储罐呼吸阀选型计算

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Abstract：Toreducethepressrefluctuationcausedbythechangeofoilandgasspatial volumeduring theoperationofixedroofoil tanksinoilandgasgatherngandtransferingstatios，acomparativestudyascaridoutoecalulatiomethodsforairowofthe oiltank breathingvalve.ThediferencebetweecalculationmodelsunderstandardsincludingSH/T30O7：2O14，APISTD0：2014， HPIS-G-103：1997，andOilDepotDesignandManagement wasanalyzedsystematicall.Thechangeruleofairfowcalculationresults underdiferentstandadsasrevealedbyumericalsimulatiooftypicalworkingconditios.Theresultsshowthatwhenthefashpont is ，the calculation result of the exhaled air flow under the HPIS-G-1O3 standard is 8.7 % -12.4%higher than that of other standards.When the flash point is >40 （20 ，the calculation result under API STD 2OOO is the largest.There isa significant linear positive correlationbetwen tank volumeandairflow.Thecalculateddeviationofbreathing valvediameterbetwee thefourstandards is ⩽3.3% ： The research findings provide atheoretical basis for the optimal design of oil tank breathing systems.

Keywords：breathing valve;air flow; standard comparison; dynamic balance of pressure; tank safety

在油气集输及储运系统中，储油罐因油品收发作业和昼夜温差变化产生的呼吸效应是威胁罐体安全性与经济性的核心问题。（剩余5132字）