On the design issues of siphon reboilers in EDRs
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The distillation tower is operated under vacuum, at a pressure of around 0.2 bar. When designing it in siphon mode, after entering the relevant data such as the installation height and proceeding with operation, the EDR alerts that the pressure drop is greater than 0.2 bar. But doesn’t a siphon system have sufficient hydrostatic head to overcome such a pressure drop? Why then does the software still indicate that the pressure drop is too high, exceeding 0.2 bar? I think the lower the reboiler is installed, the greater the static pressure drive, and of course the pressure drop will also be greater, definitely exceeding 0.2. Why does the software warn about this?
You need to post all the warnings; it’s best to upload a file