DEAERATOR Russian patent published in 2010 - IPC C02F1/20 

FIELD: heating.

SUBSTANCE: invention refers to heat engineering and is intended for being used during make-up water heating and corrosion-aggressive gases removal from it in water treatment system of nuclear power station. Deaerator includes housing with feed water and steam inlet connection pipes, vented steam and deaerated water outlet connection pipes, inside which there arranged is water and steam-distributing headers, bubble device and a head piece. The latter is made in the form of spiral grids vertically installed in cylindrical shells having perforated ends and fixed between two additional sheets with perforation in location areas of ends. Water-distributing tube header is made in the form of a volute with holes made in its lower part, and steam-distributing tube header is made in the form of a volute with holes made in its upper part.

EFFECT: increasing efficiency of gas removal from make-up water at operation with increased pressures.

2 dwg