Investigating the catastrophic roof failure of a fatty acid storage tank: Causes, mechanisms, and safety implications

IF 3.6 3区工程技术 Q2 ENGINEERING, CHEMICAL

Journal of Loss Prevention in The Process Industries Pub Date : 2024-11-09 DOI:10.1016/j.jlp.2024.105484

Anggara Dwita Burmana , Iriany , Yacine Benguerba , Rosdanelli Hasibuan , Sri Aprilia , Wan Rizki Ansari , Silvia Nova , Vikram Alexander , Dwina Rahmayani Hasibuan , Taslim

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Abstract

This paper investigates the catastrophic failure of the roof weld on a carbon steel storage tank at a fatty acids plant, which was attributed to pressure overload. The incident resulted in the tank's roof, weighing over 5 tons and spanning 8 m in diameter, being propelled 25 m from the tank. Despite installing several safety devices, including pressure regulating valves, pressure indicator controls, and pressure vacuum relief valves, inadequate maintenance led to their malfunction. This study examines the mechanisms and causes behind the failure, highlighting the crucial role of regular maintenance in ensuring the functionality of safety instruments. While neither toxic nor flammable, the plant's compressed air system poses a significant hazard due to the energy stored at slight overpressure, necessitating vigilant management by the safety department. The findings underscore the importance of robust maintenance strategies and procedural adherence to prevent similar incidents, enhancing industrial storage systems' overall safety and reliability.

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调查脂肪酸储罐屋顶灾难性故障：原因、机制和安全影响

本文研究了一家脂肪酸工厂的碳钢储罐顶盖焊缝因压力超载而发生的灾难性故障。事故导致重达 5 吨以上、直径达 8 米的罐顶被推离罐体 25 米。尽管安装了若干安全装置，包括压力调节阀、压力指示控制装置和压力真空泄压阀，但由于维护不当，导致这些装置失灵。本研究探讨了故障背后的机理和原因，强调了定期维护对确保安全仪器功能的关键作用。虽然该工厂的压缩空气系统既无毒也不易燃，但由于在轻微超压时会储存能量，因此具有很大的危险性，安全部必须对其进行严格管理。调查结果突出表明，必须采取强有力的维护策略并遵守相关程序，以防止类似事件的发生，从而提高工业存储系统的整体安全性和可靠性。

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来源期刊

Journal of Loss Prevention in The Process Industries 工程技术-工程：化工

CiteScore

7.20

自引率

14.30%

发文量

226

审稿时长

52 days

期刊介绍： The broad scope of the journal is process safety. Process safety is defined as the prevention and mitigation of process-related injuries and damage arising from process incidents involving fire, explosion and toxic release. Such undesired events occur in the process industries during the use, storage, manufacture, handling, and transportation of highly hazardous chemicals.