JSFR実用炉の概念設計,11; 簡素化燃料取扱いシステム

Conceptual design toward the commercial reactor of JSFR, 11; Simplified fuel handling system

宇都 成昭  ; 近澤 佳隆  ; 加藤 篤志 ; 鵜澤 将行*; 小幡 宏幸*

Uto, Nariaki; Chikazawa, Yoshitaka; Kato, Atsushi; Uzawa, Masayuki*; Obata, Hiroyuki*

高出力及び多集合体数,高燃焼度に伴う使用済み燃料発熱量の増加,MA含有に伴う新燃料の発熱量及び線源強度の増加など実用化段階で想定される環境条件に適合し、建設費及び廃棄物低減,稼働率向上を実現し得る燃料取扱いシステムの概念について、これまでの採否評価結果を報告する。

The innovative fuel handling system concept of Japan Sodium-cooled Fast Reactor (JSFR) is aimed at contributing to reduction in construction cost and radioactive waste and improvement in plant availability. The concept is designed to meet predicted actual reactor conditions such as high output, large fuel inventory, increase in decay heat generated from spent fuel due to high burnup, increase in decay heat and activity of fresh fuel bearing miner actinide. This paper reports the result of applicability study of this concept to JSFR.