Counter-current triple-effect evaporation, pressure distribution in the separation chamber
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For example, the absolute pressure of the raw steam is 500 kPa, while that of the last effect is 20 kPa. If an estimation is made based on a constant pressure drop, then the pressures (in absolute terms) in the separation chambers of the first, second, and third effects would be 340 kPa, 180 kPa, and 20 kPa respectively. Have any of you encountered a situation in actual production where the absolute pressure in the first-effect separation chamber was 340 kPa?
The pressure difference between 500 kPa, 340 kPa, 180 kPa, and 20 kPa is 160 kPa, indicating a reasonable pressure distribution.