| 摘要 |
PROBLEM TO BE SOLVED: To achieve higher selection reliability of debris by efficiently performing selection based on the presence of radioactive contamination of debris.SOLUTION: Selected crushed pieces 100 are continuously supplied to transportation means 12 by supply means 14, and the crushed pieces 100 are continuously transported by the transportation means 12. The layer thickness of the crushed pieces 100 flowing on the transportation means 12 is continuously adjusted by layer thickness adjustment means 16, and then the radioactivity of the crushed pieces flowing in one direction on the transportation means 12 is continuously measured by radioactivity measurement means 18. The measurement accuracy of the radioactivity of the crushed pieces 100 is improved and stabilized, and the total amount of debris is inspected. By separation means 20 disposed at the end of the transportation means 12, the crushed pieces 100 other than crushed pieces 100R having radioactivity of a predetermined value or more detected by the radioactivity measurement means 18 are separated as debris for wide-area processing. |
