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JT-60高周波加熱装置大電力増幅設備及び電源設備等の解体検討

Study on disassembly work of the radio frequency heating system in the amplifier rooms and heating power supply building

横倉 賢治; 下野 貢; 長谷川 浩一; 澤畠 正之; 鈴木 貞明; 寺門 正之; 平内 慎一; 五十嵐 浩一; 佐藤 文明; 和田 健次; 鈴木 高志; 小林 貴之; 森山 伸一

Yokokura, Kenji; Shimono, Mitsugu; Hasegawa, Koichi; Sawahata, Masayuki; Suzuki, Sadaaki; Terakado, Masayuki; Hiranai, Shinichi; Igarashi, Koichi; Sato, Fumiaki; Wada, Kenji; Suzuki, Takashi; Kobayashi, Takayuki; Moriyama, Shinichi

本報告は、大型トカマク実験装置JT-60Uの次期装置として計画されているJT-60SAの建設に先立って必要な、JT-60高周波加熱装置大電力増幅設備及び電源設備等の解体について検討した結果をまとめたものである。RF増幅室I,RF増幅室II,RF増幅室III,加熱電源棟,トランスヤード,一次冷却棟,加熱ポンプ室,ドライエリアを含むJT-60実験棟地下設備,JT-60実験棟屋上に至る広い範囲での設備解体について検討を行い、その(1)対象機器,(2)作業内容と内訳,(3)物量の推定,(4)解体の手順方法と留意事項についてまとめた。

Construction of the JT-60SA (super advanced) is planned as an upgrade of JT-60U as the satellite tokamak in ITER broader approach and as the national centralized tokamak facility program in Japan. The present JT-60U will be disassembled and the JT-60SA will be constructed at the same location in the JT-60 tours hall. The disassembly work will be planned in the period from 2009 to 2011. In this report, disassembly of the radio frequency heating system of JT-60U in the amplifier rooms and heating power supply building is studied on (1) object for disassembly, (2) work plan, (3) estimation of materials amount, (4) procedure.

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