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新型転換炉原型炉ふげんにおける炉内試料採取技術実証

Technology demonstration of sampling from reactor core structure of FUGEN Decommissioning Engineering Center

岩井 紘基; 副島 吾郎; 瀧谷 啓晃; 粟谷 悠人; 荒谷 健太; 宮本 勇太; 手塚 将志

Iwai, Hiroki; Soejima, Goro; Takiya, Hiroaki; Awatani, Yuto; Aratani, Kenta; Miyamoto, Yuta; Tezuka, Masashi

新型転換炉原型炉ふげんは、2008年2月に廃止措置計画の認可を受け、廃止措置に取り組んでいる。2018年3月に廃止措置の第1段階(重水系・ヘリウム系等の汚染の除去期間)を終了し、現在第2段階(原子炉周辺設備解体撤去期間)に移行している。本報告では、第3段階における原子炉本体解体撤去に向けて実施した原子炉内部の構造材からの遠隔試料採取に係る技術実証について紹介する。

FUGEN Decommissioning Engineering Center received the approval of the decommissioning plan in 2008, and we have been progressing the decommissioning. The first phase of decommissioning (Heavy Water and Other System Decontamination Period) finished in March 2018, and FUGEN has entered into the second phase of decommissioning (Reactor Periphery Facilities Dismantling Period). This report outlines the technology demonstration of sampling from reactor core structure of FUGEN that to prepare for reactor dismantlement in the third phase.

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