This portion has internals something like a perforated tray to breakdown the down flow feed water from the top into fine globules to separate dissolved gases from the steam, which is fed at the lower level of the dome and passes upwards to give good intermixing.
This portion has internals something like a perforated tray to breakdown the down flow feed water from the top into fine globules to separate dissolved gases from the steam. This portion passes upwards to give good intermixing. The steam is fed at the lower level of the dome.