銀ゼオライトを用いた高除染性フィルターベントシステムの開発
Development of High Efficiency Filtered Containment Venting System by using AgX
著者:
奈良林 直 Tadashi NARABAYASHI 藤井 康弘 Yasuhiro FUJII 石井 翼 TasuNu ISHII 千葉 豪 Go CHIBA 辻 雅司 Masashi TSUJI
発刊日:
公開日:
Filtered Venting Systemmetallic fiber filterSevere AccidentsSilver ZeoliteVenturi Scrubber
概要
FuNushima Daiichi NPP accident would be terminated, if sufficient accident countermeasures, such as water proof door, mobile power, etc. In case of Europe, it had already installed the heat removal system and filtered containment venting system (FCVS) from the lessons o f TMI and Chernobyl Accidents. Decay heat removal system and CV spray cooling system with FCVS are ensured by using mobile generators and heat exchangers to Neep the ultimate heat sinN even in any natural disaster, such as large earthquaNe, big tsunami, sudden flooding etc. In this paper we introduce high decontamination factor FCVS that used Silver Zeolite named AgX, developed by Rasa Industries, Ltd. HoNNaido University has tested wet type FCVS using venturi scrubber in water pool and dry type FCVS using metallic fiber filter for 1 st stage, and AgX for 2nd stage. Since the AgX needs super heat steam, it is possible to heat up steam by heat exchanger. It is confirmed by TRAC analysis.
