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溶解槽洗浄装置の開発,1; 高圧水式洗浄装置の開発

Development of the washing device for dissolver, 1; Development of high-pressure water washing device

疋田 敬一; 内田 直樹; 鈴木 一之 ; 三谷 浩信; 畠 勝郎; 林 晋一郎; 遊道 光浩*; 酒井 英明*

Hikita, Keiichi; Uchida, Naoki; Suzuki, Kazuyuki; Mitani, Hironobu; Hata, Katsuro; Hayashi, Shinichiro; Yudo, Mitsuhiro*; Sakai, Hideaki*

溶解槽内部には使用済燃料の溶解運転に伴い、不溶解残渣としてMo, Zr等の核分裂生成物及び使用済燃料のせん断時に発生する被覆管の切粉等(以下スラッジ)が堆積するため、溶解槽内に挿入し、スラッジを効率的に除去する装置を開発した。

TRP dissolver deposits dissolver sludge which consists of zircaloy swarf with shearing operation and undissolved fission products such as Mo, Ru, Rh and Pd with dissolution operation. We have developed dissolver cleaning device which can be introduced through a ventilation pipe to inside dissolver.

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