配管用ベローズ継手システム設計ワーキンググループ活動報告書

Activity report of working group for system design of piping bellows expansion joints

配管用ベローズ継手設計基準WG*; システム設計W*

Desigh Code W/G for Piping Bellows Expansion Joints*; not registered

配管用ベローズ継手システム設計W/Gは,ベローズ継手をFBRに適用するにあたっての総合評価(設計,製作,検査技術,材料,信頼性,安全思想等)を行い,FBR主冷却系配管へ適用可能な配管用ベローズ継手を開発するために設立された組織である。本W/Gでは昭和58年度にFBR配管ベローズ継手分科会の下に発足して以来,動力炉・核燃料開発事業団独自でベローズ継手全般に関する調査・検討を進めてきた。以下に,昭和58,59年度に同W/Gが実施した作業要概要を示す。 実証炉設計の現状調査、一次主冷却系の機器・配管配置の考え方 格納容器径45mにおける,機器・配管配置の検討 昭和58,59年度までの作業を通じて,配管ベローズ継手に関する調査・検討を行い,格納容器径45m配置案を提案した。今後は内容をさらに吟味し,物量削減を図って行く予定である。

"Working Group for System Design of Piping Bellows Expansion Joints" is an organization which was established for the purpose of developing piping bellows applicable to the primary cooling piping system of FBR by performing total evaluation on design, manufacture, inspection technology, material, reliability and safety. Research and investigation concerning the piping bellows in general have been carried out every year by this working group composed of PNC staff since the working group was organized under "FBR Piping Bellows Expansion Joints Section Meeting" in 1983. The outline of the works performed by the group in 1988 and 1989 is as follows. (1)Investigation for the design of FBR Demonstration Plant. (2)Concept on arrangement of components and piping of primary coolant system. (3)Investigation for arrangement of components and piping in containment vessel of diameter 45m. Design using arrangement of components and piping with bellows in containment vessel of diameter 45m was proposed on the basis of reserch and investigation concerning the piping bellows carried out in l988 and 1989. We are planning to make effort to reduce material weight and volume by farther investigating and analysing the proposed design.