Is it possible to feed the vapor from the top of the flash tower into the atmospheric pressure tower in a bag-like manner?
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Experts, in the flash tower that we have constructed on-site and which is connected to the atmospheric pressure tower, the height of the top of the flash tower is much higher than that of the section connecting to the atmospheric pressure tower, resulting in a sort of pocket formation. Is this acceptable? Why? Thank you!
Let’s draw a simple diagram to see. Will a liquid seal form? (If insulation won’t work)
There are no major issues; no phase change.
Could fluid accumulation cause fluid pulse or surges?
Personally, I don’t think it will happen. Vapor is released from the top of the flash tower, and vapor is also released from the regular vent; it depends on how the pressure is distributed between the two towers, and a liquid seal will not form. This can happen if the operation is not done properly
The vapor phase at the top of the flash tower – the normal vapor phase exiting from it – depends on the pressure between the two towers; a liquid seal will not occur. The expansion bend problem can be considered.
That won’t happen; our setup is of this type. At the top of the flash tower, there is mainly a gas phase, the pipelines are short, and no phase change occurs, so there will be no liquid seal.