| 摘要 |
PROBLEM TO BE SOLVED: To provide a nuclear power equipment carrying-out method that can not only restrain environmental radioactive influences of various tasks in taking out fuel debris from within a reactor pressure vessel but also prevent expansive dispersion of radioactive dust in carrying nuclear power equipment itself out.SOLUTION: In a state of being separated by a shield 41 from the work space, a shield plug is cut and split into multiple pieces by a cutting and washing device and an isolation sheet 40 is opened, one shield plug piece 9a resulting from the splitting of the shield plug is pulled up with a pulling-up device; after one of the shield plug pieces is pulled up with the pulling-up device, in a state in which the isolation sheet 40 is closed to achieve a state of separation from the work space by the shield, the shield plug is cut and washed with the cutting and washing device, the shield plug is further pulled up after the washing, the shield is shifted to be opened to the work space; at the same time, the inside of the reactor well and a work house 30A are shielded, and the shield plug is lifted with a crane within the work house and mounted on a bogie to be taken out of the work house.SELECTED DRAWING: Figure 17 |
