Chemical dehydration process
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The dehydration packs of the two liquefied gas tanks are connected to each other and feed into a small dehydration tank below. The liquid level in this small dehydration tank is automatically controlled, with dehydration being carried out using control valves. However, the liquid level in the dehydration packs keeps rising, while the liquid level in the small dehydration tank below does not increase; no more liquid flows there. I seek advice from experts. The pipeline is unobstructed; it was steamed a few days ago and is working properly. The tank below is filled with liquefied gas, which is why water cannot flow down.
Find a way to relieve the pressure on the dehydrator below. With proper design, there should be a vapor equilibrium line between the top of the dehydration tank and the top of the liquefied gas tank.
Is the pressure in one of the tanks higher than that in the other spherical tank? Did this cause the liquefied gas to flow back from the dehydration tank to the dehydration pack?
There is a vapor-liquid equilibrium line, but it doesn’t work when it’s turned on