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Can the liquid-phase outlet be set to none in the tank model in HYSYS?

2020-06-19View Original

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I want to use a tank model to create a storage tank. Could you advise if it’s possible to only allow material to be fed in, control the pressure inside the tank via the gas phase, without allowing any liquid to exit?
Reply #22020-06-19
Help, does anyone know this? I saw that the model mentioned in the article allows for doing this.
Reply #32020-06-20
Steady-state simulation doesn’t work (as it is primarily based on a continuous steady-state model), while dynamic simulation does (by closing the liquid-phase discharge valve and vapor-phase extraction valve and opening the feed valve)
Reply #42020-06-23
Thank you, that problem has been resolved. But there is still one issue: I need to simulate the discharge process of the tank. Both the feed valve and the liquid-phase discharge valve are equipped with flow control mechanisms. The feed valve is closed, while the discharge valve is set to 50% open. However, the flow rates through these two valves are not correct; I’m not sure what needs to be checked
Reply #52020-11-19
Is it because the size and structure of the storage tank have not been specified? HYSYS defaults a tank volume of 2 m3 with an initial liquid level of 50%.

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