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- Material Type
- 規格・テクニカルリポート類
- Author/Editor
- 重留 義明今本 信雄山内 孝道小田 好博綿引 優
- Publication Date
- 1998-05
- Publication Date (W3CDTF)
- 1998
- Alternative Title
- Damage of cell ventilation filters in the fire and explosion incident of bituminization demonstration facility
- Periodical title
- PNC TN8410 98-088
- Target Audience
- 一般
- Note (General)
- 出版タイプ: NA平成9年3月11日に発生したアスファルト固化処理施設の火災・爆発事故では、火災発生後の早い段階で換気系異常(セル換気系高性能フィルタの閉塞)が起き、また10時間後に発生した爆発においてはセル換気系フィルタの破損が生じた。そこで火災・爆発事故時に使用していたセル換気系フィルタの被害状況調査を行った。調査はフィルタの破損状況、放射性物質による汚染の程度、フィルタメディアへの煤の付着重量について行った。また、SEM写真により煤のフィルタメディアへの付着の様子を観察した。本報において、これら調査を行った結果を示す。At the fire and explosion incident of Bituminization Demonstration Facility, the fault of cell ventilation system (plugging of the HEPA filter) occurred in a short time. In addition the breakdown of the filter occurred at the explosion which happened ten hours after the extinguishment of the fire. Investigation of filter damage was conducted in order to know the extent of the breakdown, the contamination by radioactivity and soot mass gain of HEPA filter. Scanning electron micrograph (SEM) was also used to observe the appearance of soot adhesion on the filter media. This report shows the result of the investigation.
- Source
- /PNC-TN8410-98-088.pdf (fulltext)