Could someone tell me under what circumstances a F1 floating valve tower requires diameter modification?
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Is it only during vacuum distillation? Is the difference in diameter between the lifting section and the distillation section still very large according to the calculations?
Generally, a diameter-changing section is installed when there is a large difference between the diameters of the extraction section and the distillation section calculated.
So, how large is generally the difference?
If the diameters of the distillation section and the stripping section you calculate are different, then it is necessary to consider including a section with a changing diameter between them; in other words, a conical section that serves as a transition. Its length (height) is determined based on whether such a section is also required. Generally, the taper should not be too large. I’m not exactly sure either. Generally, it is best not to exceed the 150 required analysis and design perspectives.