What flow rate should be chosen for the unloading pump of a liquefied gas tank truck?
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It seems that the liquid-phase interface of the liquefied gas tank truck is DN50. If the diameter at the inlet to the pump remains unchanged, and considering an outlet flow rate of 1.5–2.0 m/s, a pump model of 50-40-xxx would be appropriate; the flow rate in this case would be around 10 m3/h. Wouldn’t that mean it would take a long time to transfer the liquid? What were people’s actual thoughts on the spot?
Based on the technical parameters provided by the poster, it can be seen that the maximum flow rate of such an LPG pump is around 18 cubic meters； When loading and unloading LPG, the pumps used generally have a capacity of 15 cubic meters, but in practice their actual capacity is around 12 cubic meters.
Unloading the compressor... isn’t that better? Pumps are generally used for loading; for unloading, shouldn’t pressure be applied to the liquid phase using a pump?
Compressors are generally used for unloading; using pumps is too slow, and there are issues with cavitation