I would like to ask: should there be one or two main inlet and outlet pipes for the spherical tank?
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For cryogenic ethylene and propylene spheres, when the inlet and outlet are not at the same location, can the inlet and outlet main pipes be combined into one? Currently, all the spherical tanks designed by SEI are installed by jacking from the top down. What is the reason for this? Are there such requirements in the petrochemical industry? Urgently needed, thanks!
In cases where entry and exit do not occur simultaneously, the inlet and outlet main pipes can be designed as one. For details, see the pressure vessel equipment catalog.