| 摘要 |
PROBLEM TO BE SOLVED: To provide a cooling structure for a reactor container in which reduction of heat removal effects can be suppressed by suppressing reduction of a flow velocity of cooling air.SOLUTION: A cooling structure comprises a baffle plate 4 which is disposed between a reactor container 1 and a reactor building 2 and forms a cooling flow passage 3 for air-cooling the reactor container 1. The cooling flow passage 3 includes a first cooling flow passage 31 which is formed between the reactor container 1 and the baffle plate 4, a second cooling flow passage 32 which is formed between the reactor building 2 and the baffle plate 4, and a communicating part 33 which communicates the first cooling flow passage 31 and the second cooling flow passage 32 at a lower side of the baffle plate 4. The cooling structure further comprises a first straightening plate 5 which is disposed within the first cooling flow passage 31 and the second cooling flow passage 32 so as to extend in a perpendicular direction, and a second straightening plate 6 which is disposed within the communicating part 33 so as to guide cooling air from the second cooling flow passage 32 to the first cooling flow passage 31. |
