公开(公告)号：US10446279B2

公开(公告)日：2019-10-15

申请号：US14831232

申请日：2015-08-20

申请人： Hitachi-GE Nuclear Energy, Ltd.

发明人： Yuriko Onishi ,  Kazuhiro Yoshikawa ,  Takashi Sumikawa

IPC分类号： G21C9/00 ,  G21C15/18 ,  G21D1/02 ,  G21D3/04 ,  G21C1/08

摘要： To more reliably supply cooling water to a reactor pressure vessel and a reactor containment vessel using a back-up building if a severe accident should occur, a boiling water type nuclear power plant includes a nuclear reactor building including a reactor containment vessel, and an external building, which is installed independently outside the nuclear reactor building and which has an anti-hazard property. The external building has a power source and an operating panel independent of the nuclear reactor building. The boiling water type nuclear power plant includes a water injection pump installed inside the external building, an alternative water injection pipe performing water injection at least on a reactor pressure vessel or the reactor containment vessel in the nuclear reactor building from the water injection pump, and a valve connected to the alternative water injection pipe, making it possible to perform alternative water injection if a severe accident occurs.