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Dow’s fire and explosion index: a case-study in the process unit of an oil extraction factory

机译：陶氏火灾和爆炸指数：一家采油厂工艺单元中的案例研究

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Introduction The incidence of fires and explosions have led to severe damage in many industries, primarily in industries’ financial losses. This study was conducted to estimate losses due to fire and explosion and the impact of control measures on the number of losses applying Dow’s Fire and Explosion Index. Methods This is a case study conducted in one of the process units of an oil extraction factory. Dow’s Fire and Explosion Index Hazard classification guide, 7~(th)edition, issued by the American Institute of Chemical Engineers was applied. Data were obtained mainly through interviews and consultation with experts, as well as reported operating parameters and process documents. Results The Dow Index of the processing unit was estimated to be 243.68, and the most probable base damage was approximately $4.15 million in 2008. The actual damages were estimated to be $2,863,500, and the number of lost work days to be 64.56 days. The interruption losses were estimated to be $15,817,200 and the total losses to the system to be $18.67 million. These results demonstrated that losses resulting from production interruptions are greater than losses due to the destruction of equipment. A series of corrections was then proposed and risk analysis was performed again to examine the effects of reforms. The comparison shows that by applying reforms the FEI can change to 86.62 and the total loss can reduce to $9.03 million. Conclusion This study shows that Dow’s Index is a systematic tool to examine the impact of control measures. It also enhances resource management considering an optimal insurance contract. Considering the priority of reducing damage factors, several correction actions were suggested, such as modifying the drainage system, installation of hexane detectors, an automatic sprinkler system, fire detectors on the cable tray, and finally, using the water spray washing on the tanks.
机译：简介火灾和爆炸的发生已导致许多行业遭受严重破坏，主要是行业的财务损失。进行这项研究是为了评估火灾和爆炸造成的损失，以及采用陶氏火灾和爆炸指数得出的控制措施对损失数量的影响。方法这是在石油开采工厂的一个处理单元中进行的案例研究。采用了美国化学工程师协会发布的陶氏火灾和爆炸指数危险等级分类指南（第7版）。数据主要通过与专家的访谈和磋商以及报告的运行参数和过程文件获得。结果2008年处理单元的道氏指数估计为243.68，最可能的基本损失约为415万美元。实际损失估计为286.35万美元，损失的工作日数为64.56天。中断损失估计为15,817,200美元，系统总损失为1,867万美元。这些结果表明，生产中断造成的损失大于设备损坏造成的损失。然后提出了一系列更正，并再次进行了风险分析以检查改革的效果。比较显示，通过实施改革，FEI可以更改为86.62，总损失可以减少到903万美元。结论这项研究表明，陶氏指数是检查控制措施影响的系统工具。考虑到最佳保险合同，它还可以增强资源管理。考虑到减少损坏因素的优先考虑，建议采取多种纠正措施，例如修改排水系统，安装己烷检测器，自动洒水系统，电缆桥架上的火灾检测器，最后使用对水箱进行喷水清洗。

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