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Emergency shutdown of fluidized bed reaction systems
http://hdl.handle.net/10131/00013443
http://hdl.handle.net/10131/00013443720fcd24-9ce0-4235-9c35-795416c16b58
名前 / ファイル | ライセンス | アクション |
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Emergency Shutdown of Fluidized Bed Reaction Systems.pdf (652.2 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-10-13 | |||||
タイトル | ||||||
タイトル | Emergency shutdown of fluidized bed reaction systems | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | Fluidized bed reactor, Emergency shut down, Loss function | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Sano, Kazuhiko
× Sano, Kazuhiko× Koshiba, Yusuke× Ohtani, Hideo |
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著者所属 | ||||||
Department of Risk Management, Graduate school of Environment and Information Sciences, Yokohama National University | ||||||
著者所属 | ||||||
Department of Materials Science and Chemical Engineering, Faculty of Engineering, Yokohama National University | ||||||
著者所属 | ||||||
Department of Safety Management, Faculty of Environment and Information Sciences, Yokohama National University | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | With several industrial applications of fluidized bed technology recently commercialized worldwide, it becomes essential to develop safe operation methods for fluidized bed reaction systems (FBRSs) to prevent any influence on their process values, which lead to accidents. To preventing any disaster or malfunction in an FBRS, an emergency shutdown system (ESD) is initiated, closing the reaction system in case of any abnormality by effectively isolating the flammable gas. However, an ESD is also prone to the “inactivation problem,” in which in the case of failure it initiates the emergency shutdown, even when the operating conditions of the reaction system are abnormal. It is also vulnerable to a “malfunction problem,” where the emergency shutdown is performed even when the operating conditions of the reaction system are normal. In this study, these problems were solved by investigating a reaction system through the monitoring of appropriate parameters and setting up of trigger levels, which reflect the uniqueness of an FBRS using an ESD. The parameters were identified by analyzing the scenario leading to an accident. The trigger levels were determined as the points at which the loss is smaller in the presence of an ESD, as compared to the value of the loss function in the presence or absence of an ESD. Furthermore, the ESD design model was applied as a case study in the ammoxidation process of propylene. The results showed that an ESD can prevent an approximately 8 billion yen of loss due to accidents in plant operations, against an investment of 200 million yen. | |||||
書誌情報 |
Journal of loss prevention in the process industries 巻 68, p. 104277, 発行日 2020-09-06 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0950-4230 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11532958 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1016/j.jlp.2020.104277 | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
出版者 | ||||||
出版者 | Elsevier | |||||
関係URI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.jlp.2020.104277 | |||||
関連名称 | https://doi.org/10.1016/j.jlp.2020.104277 |