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反应堆在运行中发现冷却剂中的放射性水平增高,在确信燃料棒有破损的情况下,就要停堆,找出破损组件。进而找出破损单棒。然后,或是通过调换破损单棒,使破损组件修复继续参加运行,或是将破损组件另行存放,不再运行。为了积累燃料组件破损检查装置的设计经验,同时为了检查一批存放已久的考验燃料组件,以对燃辩组件的质量做出评价,我们设计安装了燃料组件破损检查装置。并进行了校核模拟试验和正式的检查。
Reactors were found to have increased levels of radioactivity in the coolant while they were operating, and shut down to find damaged components when they were convinced they were damaged. Then find the damaged single stick. Then, either by replacing the damaged rod, the damaged components continue to participate in the repair operation, or the damaged components stored separately, no longer running. In order to accumulate experience in the design of the fuel assembly damage inspection device and to inspect the batch of long-standing test fuel assemblies to evaluate the quality of the fuel assemblies, we designed and installed a fuel assembly damage inspection device. And conducted a simulation test and formal inspection.