The reboiler of the pre-distillation tower is leaking, causing the temperature and pressure at the bottom of the tower to rise; why then do the temperature and pressure at the top of the tower decrease?
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There is a leak in the reboiler of the pre-distillation tower, resulting in an increase in the temperature and pressure at the bottom of the tower; why then do the temperature and pressure at the top of the tower decrease? The pre-distillation tower is a full-reflux tower
It may be due to an increase in the amount of non-condensable gas at the tower top; regular venting from the tower top is necessary
1. Internal leakage leads to an increase in the heavy components in the bottom of the tower; based on the saturated vapor pressure, the temperature and pressure at the bottom of the tower rise. 2. When the relative internal leakage of the rising light components is reduced, there are also fewer light components after exchange at the tower top; under saturated vapor pressure, the pressure and temperature tend to decrease.