Vent gas recovery
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At present, the pressure of the torch gas is divided into high-pressure and low-pressure systems. Which is more appropriate, to place the recovered gas tank in the high-pressure pipeline network or the low-pressure pipeline network?
It depends on your tolerance for risk; recovering gas from low-pressure pipelines is definitely cheaper
Recovery gas cabinets are generally used in low-pressure piping systems; high-pressure gas cabinets are too expensive and have a low safety factor.
It is generally placed on the low-pressure website; a cross-line is added between the high-pressure and low-pressure websites, with a pneumatic valve used to separate them.