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ISプロセス信頼性試験(ブンゼン反応系機器)の安全対策

Safety measures for integrity test apparatus for IS process (Bunsen section)

久保 真治; 田中 伸幸; 野口 弘喜; 岩月 仁; 小貫 薫; 稲垣 嘉之

Kubo, Shinji; Tanaka, Nobuyuki; Noguchi, Hiroki; Iwatsuki, Jin; Onuki, Kaoru; Inagaki, Yoshiyuki

熱化学水素製造法ISプロセスでは、硫酸,ヨウ素,ヨウ化水素酸等の有害な化学物質を使用するため、試験研究の実施に際しては作業者及び外部への影響に対する安全対策が重要である。現在、実用材料製反応機器を用いたISプロセス信頼性試験装置の製作を進めており、それらのうちブンゼン反応系機器の製作を完了した。本試験(ブンゼン反応系機器)は、腐食性溶液量の取扱量は約100リットルと比較的多く、また、加圧条件にて反応機能に着目した機能確認、耐食機能に着目した機器信頼性の確認を目的とするものである。本試験開始に先立ち、装置の安全対策、作業の安全対策及び異常時の対策について検討を行った。本報告書はこれらの検討結果を取りまとめたものである。

Providing safety measures for workers and external environments are indispensable in R&D activities of the iodine sulfur water-splitting hydrogen production process, since this process uses toxic chemicals as sulfur dioxide, sulfuric acid, iodine and hydriodic acid. One of the R&D subjects is proof of manufacturability of chemical reactors made of practical structural materials and confirmation of the reactors' sound performance in the harsh process conditions. In order to examine the task, test apparatuses of the process are being constructed; the apparatus for a Bunsen reactor has been built and assembled. Capacities of vessels of the apparatus are about 50-150 liter; normal operating pressure will be 0.5 MPa [abs], and that of temperature will be 90 degrees centigrade. Safety measures for the test apparatus, operations, and in abnormal situations were considered prior to the start of the operation. This report summarizes the results of the considerations.

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