Influence of different air inflow rates on low-pressure flash evaporation from a water pool

Abstract The sealing problem of flash vaporization equipment interferes with the flash evaporation process and reduces flash evaporation equipment's operating efficiency, wasting energy. This issue has not been given sufficient attention. The influence of air inflow rate on low-pressure static flash evaporation is studied by adding an intake valve on the flash chamber in experiments. The suitable adjustment ranges of the intake and extraction valves' opening levels are determined through experiments. By analyzing the effects of different initial back pressures and initial liquid temperatures on the flash process, the relationship between the dimensionless evaporation efficiency and the dimensionless rate of pressure rise caused by the air inflow is proposed.