高速炉燃料再処理における機械式解体システムの検討

Study of mechanical disassembly system for FBR fuel reprocessing

樋口 英俊; 遠矢 優一*; 鷲谷 忠博 ; 小泉 健治 ; 平野 弘康 

Higuchi, Hidetoshi; Toya, Yuichi*; Washiya, Tadahiro; Koizumi, Kenji; Hirano, Hiroyasu

FBRサイクル実用化研究開発(FaCT)の一環として行っているFBR燃料再処理用解体システム開発において、これまでに実施した機械式解体システムについての切断工具の適用性、及び引抜解体方式の適用性に関する試験の成果について報告する。

Japan Atomic Energy Agency (JAEA) has been developing a reliable disassembly system for FBR fuel reprocessing as a part of FaCT. As For the disassembly system, laser type disassembly system had been developed, but it had some subjects as adhesion and fuel pin damage caused by dross. Then JAEA have proposed a new disassembly technology by mechanical disassembly system that consists of a mechanical cutting step and a wrapper tube pulling step. Mechanical cutting performance and pulling separation performance are confirmed by fundamental test, and Fundamental design of the mechanical disassembly system is established.