核石墨与熔盐相容性测试装置设计与实验
TL342; 钍基熔盐堆(Thorium Molten Salt Reactor,TMSR)是以核石墨为反射体及慢化体、2LiF-BeF2(FLiBe)熔盐为主冷却剂的反应堆.在TMSR中,核石墨直接与熔盐接触.由于石墨的多孔特性,熔盐有可能渗入石墨的孔隙中,引发其力学、热学性能的变化.研究熔盐在TMSR环境下是否渗入候选核石墨及其浸渗量,对于反应堆的运行安全至关重要.基于自行研制的熔盐浸渗实验装置,采用静态熔盐浸渗试验方法,测试TMSR候选核石墨T220在不同压强下的熔盐浸渗量,并研究了温度、时间对T220、NBG-18及IG-110石墨材料熔盐浸渗行为的影响.研究结果表明:T220石墨的临...
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| Published in | 核技术 Vol. 41; no. 7; pp. 88 - 94 |
|---|---|
| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
中国科学院上海应用物理研究所嘉定园区 上海 201800
10.07.2018
中国科学院大学 北京 100049%中国科学院上海应用物理研究所嘉定园区 上海 201800 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 0253-3219 |
| DOI | 10.11889/j.0253-3219.2018.hjs.41.070605 |
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| Abstract | TL342; 钍基熔盐堆(Thorium Molten Salt Reactor,TMSR)是以核石墨为反射体及慢化体、2LiF-BeF2(FLiBe)熔盐为主冷却剂的反应堆.在TMSR中,核石墨直接与熔盐接触.由于石墨的多孔特性,熔盐有可能渗入石墨的孔隙中,引发其力学、热学性能的变化.研究熔盐在TMSR环境下是否渗入候选核石墨及其浸渗量,对于反应堆的运行安全至关重要.基于自行研制的熔盐浸渗实验装置,采用静态熔盐浸渗试验方法,测试TMSR候选核石墨T220在不同压强下的熔盐浸渗量,并研究了温度、时间对T220、NBG-18及IG-110石墨材料熔盐浸渗行为的影响.研究结果表明:T220石墨的临界浸渗压强介于600~700 kPa之间,这说明在TMSR工况下(<500 kPa)该石墨不发生FLiBe熔盐浸渗.温度(600°C和700°C)及时间(20~2000 h)对三个牌号石墨熔盐浸渗行为影响不大. |
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| AbstractList | TL342; 钍基熔盐堆(Thorium Molten Salt Reactor,TMSR)是以核石墨为反射体及慢化体、2LiF-BeF2(FLiBe)熔盐为主冷却剂的反应堆.在TMSR中,核石墨直接与熔盐接触.由于石墨的多孔特性,熔盐有可能渗入石墨的孔隙中,引发其力学、热学性能的变化.研究熔盐在TMSR环境下是否渗入候选核石墨及其浸渗量,对于反应堆的运行安全至关重要.基于自行研制的熔盐浸渗实验装置,采用静态熔盐浸渗试验方法,测试TMSR候选核石墨T220在不同压强下的熔盐浸渗量,并研究了温度、时间对T220、NBG-18及IG-110石墨材料熔盐浸渗行为的影响.研究结果表明:T220石墨的临界浸渗压强介于600~700 kPa之间,这说明在TMSR工况下(<500 kPa)该石墨不发生FLiBe熔盐浸渗.温度(600°C和700°C)及时间(20~2000 h)对三个牌号石墨熔盐浸渗行为影响不大. |
| Author | 贺周同 夏汇浩 唐辉 张灿 汪雪 |
| AuthorAffiliation | 中国科学院上海应用物理研究所嘉定园区 上海 201800;中国科学院大学 北京 100049%中国科学院上海应用物理研究所嘉定园区 上海 201800 |
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| Author_FL | TANG Hui HE Zhoutong ZHANG Can WANG Xue XIA Huihao |
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| Author_xml | – sequence: 1 fullname: 唐辉 – sequence: 2 fullname: 贺周同 – sequence: 3 fullname: 张灿 – sequence: 4 fullname: 汪雪 – sequence: 5 fullname: 夏汇浩 |
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| DocumentTitle_FL | Equipment design and experiment of compatibility test of nuclear graphite and molten salt |
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| Keywords | 浸渗量 核石墨 熔盐浸渗实验装置 钍基熔盐堆 |
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| Publisher | 中国科学院上海应用物理研究所嘉定园区 上海 201800 中国科学院大学 北京 100049%中国科学院上海应用物理研究所嘉定园区 上海 201800 |
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| Snippet | TL342; 钍基熔盐堆(Thorium Molten Salt Reactor,TMSR)是以核石墨为反射体及慢化体、2LiF-BeF2(FLiBe)熔盐为主冷却剂的反应堆.在TMSR中,核石墨直接与熔盐接触.由于石墨的多... |
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| Title | 核石墨与熔盐相容性测试装置设计与实验 |
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