Questions about the gas phase temperature at the bottom of the atmospheric tower!
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Why is the gas phase temperature at the bottom of the atmospheric tower TI16204 only 317.5°C, which is much lower than all surrounding temperatures? What is going on? Has anyone had similar problems?
First, the possibility of instrument failure has been ruled out.
After the initial bottom oil enters the tower, it first undergoes a flash evaporation, and the temperature will drop. After being stripped by stripping steam at the bottom of the tower, the temperature will also drop, so the temperature at the bottom of the tower is lower than that of the feed.
Basically agree with Floor 3, generally the feed temperature is the highest. From the feed to the bottom of the tower is the stripping section of the distillation tower. There is very little gas phase because there is no bottom heating, only steam stripping. If the grade of steam is not high, it is usually superheated low-pressure steam. The energy-saving temperature of many devices is around 300 degrees, so your thermocouple temperature should not be high.