Is it normal that there is no temperature difference between the liquid-phase inlet of the reboiler and the gas-liquid mixture outlet?
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Is it normal that there is no temperature difference between the liquid-phase inlet of the reboiler and the gas-liquid mixture outlet?
You should pay attention to the results of your production control; if there are changes in heat, it doesn’t necessarily mean a change in temperature. It is still necessary to follow the control requirements specified for your position. A reboiler is essentially a heat exchanger; there are heat exchangers in which the temperature changes on one side only, and those in which the temperature changes on both sides. It would be best to include a simple diagram showing the relevant process data, to facilitate discussion and as a reference.
It’s not quite normal, but it’s possible that it could happen； The purpose of a reboiler is to provide heat; normally, the material at the bottom of the reboiler column remains at its bubble point temperature (liquid phase) ； The above situation occurs when there is not a large temperature difference between the heating medium and the bottom of the tower, but the volume of the heating medium is sufficient to vaporize the liquid material.
It is normal when the composition of the liquid at the bottom of the tower is close to that of a single component; in such cases, it is the temperature at which foaming occurs