| 漳州核电厂严重事故场外后果评价准则探讨 |
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| 引用本文： | 邢继,石雪垚,黄树明.漳州核电厂严重事故场外后果评价准则探讨[J].核动力工程,2022,43(6):122-127. |
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| 作者姓名： | 邢继 石雪垚 黄树明 |
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| 作者单位： | 中国核电工程有限公司，北京，100840 |
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| 摘 要： | 为了对“在技术上实现减轻放射性后果的场外防护行动是有限的甚至是可以取消的”这一基本目标进行量化评价，本文从简化事故后场外应急的角度，提出了严重事故后“3 km外不需要撤离、5 km外不需要隐蔽及服碘”的设计目标。结合漳州核电厂的厂址条件，推导出了一套用于漳州核电厂的严重事故后放射性后果评价准则。通过对“华龙一号”典型严重事故过程及放射性释放过程进行分析，结果表明，漳州核电厂“华龙一号”堆型满足本文提出的放射性后果评价准则，能够实现在严重事故后“3 km外不需要撤离、5 km外不需要隐蔽及服碘”的目标。
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| 关 键 词： | 华龙一号 严重事故 放射性源项 简化应急 |
| 收稿时间： | 2021-12-29 |
Discuss on Off-site Consequence Evaluation Criteria after Severe Accident for Zhangzhou NPP |
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| Affiliation: | China Nuclear Power Engineering Co., Ltd., Beijing, 100840, China |
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| Abstract: | In order to quantitatively evaluate the basic objective of “offsite protective actions that can reduce the radiological consequences technically are limited or even can be cancelled”, this paper proposes the design objective of “no evacuation is required beyond 3 km, no concealment and iodine taking are required beyond 5 km” after severe accidents from the perspective of simplifying off-site emergency after accidents. Combined with the site conditions of Zhangzhou NPP, a set of radioactive consequence evaluation criteria for Zhangzhou NPP are derived. Through the analysis of the typical severe accident process and radioactive release process of HPR1000, the results show that the HPR1000 reactor type of Zhangzhou NPP meets the radiological consequence evaluation criteria proposed in this paper, and can achieve the goal of “no evacuation is required beyond 3 km, no concealment and iodine taking are required beyond 5 km” after a severe accident. |
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