The function of the nitrogen lines on the naphtha and liquefied gas tanks used as hydrogen production feedstocks
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Dear experts, the raw materials used for hydrogen production generally include naphtha and liquefied gas. Why are some naphtha and liquefied gas tanks equipped with a nitrogen line, while others do not? Is the purpose of this nitrogen line for nitrogen sealing? What are the potential uses in principle? Thank you all for your advice.
Some are nitrogen-sealed, while others are used for firefighting [similar to fire-fighting steam]
Pressure replenishment and nitrogen sealing are the two functions that are used quite frequently; looking at the PID diagram, these are generally present
It will definitely serve to create a nitrogen seal. The other is pressure supplementation, to ensure sufficient head at the inlet of the light hydrocarbon pump, so that the pump is less likely to run dry in summer.