Why is the liquid level at the bottom of the catalytic stabilizer fluid?
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During the inspection, it was found that there are several glass plates used to monitor the liquid level at the bottom of the stabilizer; however, the liquid level on one of these plates was flowing, while the glass plates above it were full. I asked the experienced workers, and they said it might be due to a problem with the angle valves on those glass plates – I’m not sure if that’s indeed the cause
The glass plate level gauge referred to by the poster is segmented, right? To explain this phenomenon, one must consider the structure of the components inside the tower; sometimes, the properties of the medium in question also play a role. In catalytic processes, towers often have multiple partitions, filtration layers, catalyst layers, etc. Towers with straight channels from top to bottom are rare, and the liquid level at the top is not necessarily directly connected to the liquid level at the bottom of the tower. It’s also possible that two media with different densities are present. Devices that operate under negative pressure occasionally encounter this situation; when dealing with highly volatile substances, it is even more likely for the liquid level to be full yet flow continuously, creating phenomena similar to the \"drinking bird\" miracle.