OS1-6 PHAに基づくアラームロジック設計手法の開発(OS1 安全のための新技術)

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  • 社澤 裕
    Department of Chemical Engineering Tokyo Institute of Technology
  • 島田 行恭
    Chemical Safety Research Gr., National Institute of Occupational Safety and Health
  • 渕野 哲郎
    Department of Chemical Engineering Tokyo Institute of Technology

書誌事項

タイトル別名
  • OS1-6 Rationalized Alarm Logic Design based on Process Hazard Analysis

説明

In this paper, we focus on a design of the alarm system as a first step to develop a design methodology of IPL (Independent Protection Layers) [1] based on PHA (Process Hazard Analysis). We present a design method based on HAZOP (Hazard and Operability Study) to develop two kinds of alarm systems separately, i.e. one is for cause identification, and the other is for consequence mitigation. The effectiveness of this study is illustrated through a case study for Hydro Desulfuration (HDS) process.

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