How are the normal pressure drop and alarm pressure drop of a distillation column determined?
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Now it is possible to determine the pressure drop under normal operating conditions, but I don’t know how to establish an upper alarm limit for this pressure drop in order to reduce the load on the reboiler! ! ! At what level of flooding should this pressure drop value be taken? Could that expert give some advice? ! ! Thank you
The operation of a distillation column is primarily based on the column pressure, the temperatures at the top and bottom of the column, as well as the reflux ratio. As for the load on the reboiler, it depends on the load of the column and the requirements regarding product quality. The pressure drop of the tower is something to consider only when the tower is under overload, just my humble opinion.
It depends on how high the pressure drop was during your last flooding incident, haha. Different devices have different pressure measurement points, so the results will likely vary as well. One should figure it out by installing it themselves.