儲罐呼吸閥選型計算

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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

在油氣集輸及儲運系統(tǒng)中，儲油罐因油品收發(fā)作業(yè)和晝夜溫差變化產(chǎn)生的呼吸效應(yīng)是威脅罐體安全性與經(jīng)濟性的核心問題。（剩余5132字）