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吊篮是压水堆内的关键设备,吊篮辐板螺栓的缺陷与堆芯安全直接相关。对某核电厂换料大修中发现吊篮辐板螺栓缺陷进行分析,制定了修复方案。修复方案施行结果表明,此项高辐照条件下的水下修复技术方案是可行的。
Hanging basket is the key equipment in pressurized water reactor. The defect of the webbed bollard is directly related to the core safety. In a nuclear power plant refueling overhaul found hanging basket web bolt defects, developed a repair program. Rehabilitation program implementation results show that this high irradiation under the conditions of underwater repair program is feasible.