Superheated steam, when mixed with water, becomes saturated steam
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Calculation of water addition amount for superheated steam to become saturated steam
Q = M*I, where M is the mass flow rate and I is the enthalpy difference; note that steam has a latent heat of vaporization, so Q_steam = Q_water
If the pressure remains constant, it is a thermostatic regulator, which is used to calculate the temperature required to reach the saturation temperature.
Under constant pressure, theoretically, it can be calculated based on heat balance.
The calculation can be done, but only theoretical values will be obtained; it is very difficult to achieve such precise control in actual operating conditions. Even slight deviations can lead to excess steam or water remaining, which prevents the formation of pure saturated steam and reduces the heat exchange efficiency.