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Conceptual design of engineering-scale plant applied the simplified MA-bearing fuel fabrication process

簡素化法を用いた工学的規模MA含有燃料製造施設の概念検討

山田 美一; 瀬川 智臣; 加藤 正人

Yamada, Yoshikazu; Segawa, Tomoomi; Kato, Masato

日本原子力研究開発機構では、廃棄物処分の負担軽減を目指して、高速炉及び加速器を利用したMA分離変換技術の研究開発を進めている。本研究開発を進めるためには、遠隔保守・補修を可能とした自動化燃料製造ラインを実現する必要がある。今回、燃料製造工程を簡素化した工学的規模のホットセル方式によるMA含有燃料製造施設の概念検討を実施したので報告する。

Japan Atomic Energy Agency (JAEA) have proposed the transmutation of minor actinides by fast reactors as a way to contribute significantly to the reduction of the volume and the potential radiotoxicity of radioactive wastes. In order to achieve this goal, it is important to introduce a fully automated and remote operation fuel fabrication plant with shielded hot cells and manipulators. JAEA's facilities including Plutonium Fuel Production Facility (PFPF) have fabricated MOX fuel. On the basis of the operational and technical experience obtained in above facilities, the conceptual design of engineering-scale plant applied the simplified MA-bearing fuel fabrication process with shielded hot cells and manipulator was done. It will be able to fabricate high MA-bearing fuel and to perform the maintenance and repairing of each equipment with manipulators. This plant will be constructed based on this concept and development plan.

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