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低除染燃料製造システム特性評価手法に関する調査(2)

Ther study of characteristic evaluation techniques about nuclear fuel pellet manufacturing system (2)

半沢 正利*; 吉村 忠宏*; 宗片 英樹*; 田巻 喜久*; 大山 有代*

not registered; not registered; not registered; Tamaki, Yoshihisa*; not registered

本検討では、FBRサイクル実用化戦略調査研究のフェーズIIの2年度として、低除染ペレット法に対する機器の運転特性、機器交換頻度を考慮した稼働率を検討するとともに、機器交換による廃棄物発生量を算出できるようにシミュレータの改良を行った。また、他の燃料製造システムに適用することで、製造システム間の稼働率の比較検討を行い、下記の成果を得た。 (1)機器の運転特性による機器稼働率の計算方針を整理するとともに、稼働率を向上できるバッファ容量、機器処理能力、台数に関する最適化を行った。 (2)部品を定期交換するケースと故障時に部品を交換するケースに対応できる廃棄物発生量算出プログラムを作成した。 (3)他の燃料製造システムへの適用を行い、製造システム間の特性比較の考え方を整理し、稼働率の比較検討を行った。 (4)昨年度さくせいした特性評価シミュレータのデータ入力方法について、より簡便な方法を検討し、シミュレータに組み込んだ。

In this study, while examining the operating ratio which took into consideration the operation characteristics of apparatus for the low decontamination pelltizing method, and apparatus exchange frequency as the 2nd fiscal year of phase II of FBR cycle utilization strategy investigation research, the system characteristics evaluation simmulator was modified to able to calculate waste amount generated by fixed exchange of the parts. A comparison study of the operating ratio in a few other fabrication system was also performed by applying the simulator to them, and the following result was obtained. (1)While arranging the setting plan of operation characteristics of apparatus in connection with the apparatus operating ratio, optimization of the buffer capacity, throughput, and the number which improve operating ratio was performed. (2)The calculation program of waste amount generated which can respond to the case of fixed exchange of the parts, and the case parts of exchange at the time of failure was made. (3)The comparison method of the system characteristics among fabrication systems was considered, and comparison examination of operating ratio was performed by applying to the other fuel fabrication systems. (4)The simpler method for data input of the characteristic evaluation simulator manufactured in the last fiscal year was examined, and the simulator modification was carried out.

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