| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a passive cooling device for a reactor containment vessel, which can maintain pressure reduction and heat removal capabilities of a reactor and the reactor containment vessel over a long period. <P>SOLUTION: A cooling device for a reactor containment vessel includes: a building 3 containing a reactor containment vessel 2; a static containment vessel cooling device 10 installed on a ground surface outside the building 3; a heat exchanger chamber 11 which is installed adjacent to the static containment vessel cooling device 10 and in which a heat exchanger 12 and a drain chamber 13 are arranged; a heat transfer pipe 18 of the heat exchanger 12, which is arranged at a lower part in the static containment vessel cooling device 10; a vapor release pipe 7 connecting the inside of the reactor containment vessel 2 to the heat exchanger 12; and a seawater introduction pipe 22 connected to a bottom of the static containment vessel cooling device 10 via a check valve 23. The heat transfer pipe 18 is positioned lower than a low water level at low tide. <P>COPYRIGHT: (C)2013,JPO&INPIT |
