Design of Nitrogen Sealing System for Atmospheric Storage Tank
Nitrogen sealing process is a common process of storage tank process design,which is used to seal the gas phase space of storage tank and isolate harmful gas overflow.Nitrogen sealing system is an essential measure to reduce oil evaporation loss.In the petroleum,chemical and other industries,storage tanks are essential storage equipment,nitrogen sealing of storage tanks can effectively reduce oil evaporation loss,improve the service life of storage tanks,and avoid environmental pollution and other problems.For materials with different properties,the nitrogen sealing system scheme needs to be improved according to the properties of the materials.For example,for light oil storage tanks,it is necessary to increase the nitrogen flow rate to keep the internal pressure of the tank stable and prevent oil volatilization.For liquid sulfur which is easy to crystallize at high temperature,it is necessary to increase the nitrogen flow speed to prevent liquid sulfur crystallization and affect the service life of the storage tank.For maleic anhydride,it is necessary to increase the nitrogen flow to reduce the moisture of maleic anhydride and prevent ignition and explosion accidents.Based on this,the design of nitrogen sealing system was mainly discussed and analyzed.
Atmospheric storage tankNitrogen sealing systemSafety control
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