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球墨铸铁在核乏燃料后处理中的应用及发展
Application and Development of Ductile Iron in Nuclear Fuel Reprocessing
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- DOI:
- 作者:
- 宋硕 徐锦锋
SONG Shuo;XU Jinfeng
- 作者单位:
- 西安理工大学材料科学与工程学院
School of Materials Science and Engineering,Xi'an University of Technology,Xi'an 710048,China
- 关键词:
- 球墨铸铁 乏燃料后处理 大断面球铁
nodular cast iron spent fuel post-treatment heavy section ductile iron
- 摘要:
- 目前我国核电事业发展很快,但在乏燃料处理方面尚需进一步研究。在回顾乏燃料后处理流程和乏燃料贮运容器发展现状的基础上,综述了球墨铸铁贮运容器的化学成分、凝固过程和力学性能及热处理工艺等特点,介绍了用于存储放射性物质的多功能球铁罐的铸造工艺方法。最后,指出球墨铸铁罐在乏燃料贮运容器和中低放放射性废物处置容器方面具有良好的应用前景。
At present,the nuclear power industry of China is developing rapidly,but the disposal of spent fuel still needs further research.Based on the review of the reprocessing process of spent fuel and the development of spent fuel storage vessels,the characteristics of the chemical composition,solidification process,mechanical properties and heat treatment technology of the ductile iron storage vessels were summarized,and the casting process of the multi-functional ductile iron tank for radioactive materials storage was introduced.Finally,it is pointed out that the spheroidal cast iron tank has a good application prospect in the spent fuel storage container and the medium and low level radioactive waste disposal container.