公开(公告)号：US20190049105A1

公开(公告)日：2019-02-14

申请号：US16078658

申请日：2017-02-21

申请人： In Dung MOON

发明人： In Dug MOON ,  Sun Jae MOON

IPC分类号： F22B37/24 ,  F22B37/02 ,  G21C15/253

摘要： An apparatus for cooling a substructure of a steam generator in a nuclear reactor is provided. The apparatus includes a plurality of stud bolts (110) fastening a skirt of the steam generator to a sliding base. Each stud bolt is provided at the center thereof with an axial through hole (112), a flange of the skirt is provided on one side thereof with a vent passage (122), and each stud bolt is provided with at least one vent hole (114) communicating with the axial through hole (112), thereby forming an air circulation/cooling path between the vent passage (122) and the axial through hole (112) via the vent hole (114).