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مدلسازی و ارزیابی پیامد حریق و انفجار نیروگاه بیوگاز مشهد | ||
| مدل سازی در مهندسی | ||
| دوره 23، شماره 80، فروردین 1404، صفحه 175-196 اصل مقاله (1.21 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22075/jme.2024.31924.2542 | ||
| نویسندگان | ||
| مجتبی کمایستانی؛ محراب فلاحی* | ||
| دانشکده مهندسی شیمی، دانشگاه آزاد اسلامی واحد اهر، اهر، ایران | ||
| تاریخ دریافت: 20 مهر 1402، تاریخ بازنگری: 31 اردیبهشت 1403، تاریخ پذیرش: 19 شهریور 1403 | ||
| چکیده | ||
| مطالعه حاضر با هدف بکارگیری روشی نوین و دقیق جهت مدلسازی و ارزیابی سناریوهای محتمل حریق و انفجار در نیروگاه تولید برق بیوگاز شهر مشهد طراحی شده است. در این مطالعه ابتدا سناریوهای بالقوه نشتی و پارگی تجهیزات با استفاده از روش HAZID شناسایی و مدلسازی پیامدهای ممکن با در نظر گرفتن کلیه پارامترهای تاثیر گذار با استفاده از نرم افزارPHAST انجام شد. در این مطالعه سه سناریو با اندازه نشتی های 5، 25 و 130میلی متر(پارگی کامل لوله ها) برای مدلسازی پیامد نیروگاه تعیین شد. نتایج مدلسازی پیامد سناریو نشتی 5 میلی متر نشان داد که شدت تشعشع آتش فورانی ناشی از رهایش مواد ناچیز بوده ( حداکثر 03/0 کیلووات بر مترمربع) و حداکتر تا فاصله تقریباً 2 متر ادامه خواهد داشت. میزان تشعشع این حریق در سناریو نشتی 25 میلی متر، نزدیک 2 کیلوات بر مترمربع است و تشعشات آن تا فاصله 9 متری از محل حادثه ادامه خواهد داشت. در حالیکه سناریو پارگی خطوط لوله (نشتی 130 میلی متر) منجر به آتش فورانی قابل ملاحظه می گردد. تشعشع این حریق در این سناریو نزدیک به 26 کیلوات بر مترمربع است و تشعشات آن تا فاصله 30 متری از محل حادثه ادامه خواهد داشت. این میزان تشعشع برای ایجاد آسیب جدی و غیر قابل جبران افرادی که در این ناحیه قرار دارند کافی می باشد. | ||
| کلیدواژهها | ||
| ایمنی؛ مدلسازی پیامد؛ ارزیابی پیامد؛ نیروگاه بیوگاز | ||
| عنوان مقاله [English] | ||
| Modeling and Evaluation of Fire and Explosion Consequence of Mashad Biogas Power Plant | ||
| نویسندگان [English] | ||
| Mojtaba Komayestani؛ Mehrab Fallahi Samberan | ||
| Department of Chemical Engineering, Ahar Branch, Islamic Azad University, Ahar, Iran | ||
| چکیده [English] | ||
| The present study is designed with the aim of using a new and accurate method to model and evaluate possible scenarios of fire and explosion in the biogas power plant of Mashhad. In this research, the potential scenarios of leakage and rupture of the equipment were identified using the HAZID method and modeling of the possible consequences was done by considering all the influencing parameters using the PHAST software. In this study, three scenarios with leakage sizes of 5, 25 and 130 mm (complete rupture of pipes) were determined to model the consequences of the power plant. The results of modeling the consequences of the 5 mm leakage scenario showed that the radiation intensity of the explosive fire caused by the release of materials was insignificant (maximum 0.03 kW/m2) and the maximum will continue up to a distance of approximately 2 m. The amount of radiation of this fire in the 25 mm leakage scenario is nearly 2 kW/m2, and its radiation will continue up to a distance of 9 m from the accident site. While the pipeline rupture scenario (130 mm leak) leads to a significant fire eruption. The radiation of this fire in this scenario is close to 26 kW/m2 and its radiation will continue up to a distance of 30 m from the accident site. This amount of radiation is enough to cause serious damage to the people who are in this area. | ||
| کلیدواژهها [English] | ||
| Safety, Consequence modeling, Consequence assessment, Biogas plant, PHAST software | ||
| مراجع | ||
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