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Operation of the electron accelerator and the $$gamma$$-ray irradiation facilities

電子加速器及び$$gamma$$線照射施設の運転

上松 敬; 花屋 博秋; 山縣 諒平; 清藤 一; 長尾 悠人; 金子 広久; 山口 敏行*; 川島 郁男*; 八木 紀彦*; 高木 雅英*; 松崎 慎也*

Agematsu, Takashi; Hanaya, Hiroaki; Yamagata, Ryohei; Seito, Hajime; Nagao, Yuto; Kaneko, Hirohisa; Yamaguchi, Toshiyuki*; Kawashima, Ikuo*; Yagi, Norihiko*; Takagi, Masahide*; Matsuzaki, Shinya*

電子・$$gamma$$線照射施設はほぼ順調に稼動した。2013年度における運転時間は、電子加速器では1242時間、コバルト第1棟では18900時間、コバルト第2棟では11804時間、食品棟では6587時間であった。主要なメンテナンスは次の通りである。電子加速器ではSF$$_{6}$$ガス回収装置の更新を行った。コバルト施設の整備時にプール水を保管するための600m$$^{3}$$の貯水タンクを設置した。コバルト第1棟及び第2棟では線源の補充を行った。食品棟では定期整備を行った。

The electron accelerator and the $$gamma$$-ray irradiation facility have been operated approximately smoothly. The annual operation time in FY 2013 for the electron accelerator, the first, the second cobalt irradiation facility and food irradiation facility are 1242 h, 18,900 h, 11,804 h and 6,587 h, respectively. Typically repairs were next ones. The SF$$_{6}$$ gas withdrawal system was renewed at the electron accelerator. The 600 m$$^{3}$$ water storage tank was installed to keep pool-water for the cobalt facilities maintenance. New pieces of $$^{60}$$Co sources were purchased and loaded to the first and the second irradiation facility. The maintenance check was done for the food irradiation facility.

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