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熱化学法ISプロセス水素製造実証試験装置の設計検討

Design consideration on hydrogen production demonstration plant of thermochemical IS process

岩月 仁 ; 野口 弘喜  ; 寺田 敦彦  ; 久保 真治  ; 坂場 成昭 ; 小貫 薫; 日野 竜太郎

Iwatsuki, Jin; Noguchi, Hiroki; Terada, Atsuhiko; Kubo, Shinji; Sakaba, Nariaki; Onuki, Kaoru; Hino, Ryutaro

高温ガス炉の熱利用系の候補であるISプロセスについて、高温高圧の実用プロセス条件下、原子炉を模擬した電気ヒータで加熱したヘリウムガスによって供給される熱を用いた水素製造試験を行うために必要な実用材料製水素製造試験装置に関する予備的な設計検討を行った。HTTRの基本仕様,水蒸気改質プロセスによる炉外試験の経験などを考慮して暫定的な基本設計条件を定め、それに基づき、ISプロセス技術の現状を踏まえて、新規技術実証に必要な主要単位操作及び主要系統構成を明らかにした。さらに、装置材料の耐食性に配慮しつつ、主要機器の型式を選定するとともに、製作に向けての課題を抽出した。また、適用法令についても、調査・検討を行い、結果をとりまとめた。

Preliminary design study was carried out on the hydrogen production demonstration plant of IS process for thermochemical hydrogen production. In the pilot test, hydrogen production will be examined under prototypical condition using an apparatus made of industrial materials, which is driven by the sensible heat of helium gas heated by an electric heater that simulates the High Temperature Engineering Test Reactor (HTTR). Tentative system condition was defined considering the HTTR specification and the experience on the construction and the operation of the mock-up test facility of steam reformer. The process condition and the system flow diagram were discussed to meet the system condition. Based on the defined process condition, types of the main components were discussed taking the corrosion resistance of the structural materials into consideration. Applicable rules and regulations were also surveyed regarding the plant construction and operation.

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