ارزیابی فنی - اقتصادی بازیافت حرارت از دودکش کوره‌های واحد نم‌زدایی پالایشگاه گاز بیدبلند به کمک چرخه رانکین آلی

نوع مقاله : مقاله کاربردی

نویسندگان

1 استادیار، گروه مهندسی مکانیک، دانشکده فنی و مهندسی، دانشگاه صنعتی خاتم‌الانبیاء بهبهان، بهبهان، ایران

2 استادیار، گروه مهندسی شیمی، دانشکده فنی و مهندسی، دانشگاه صنعتی خاتم‌الانبیاء بهبهان، بهبهان، ایران

3 کارشناسی ارشد، مهندسی سیستم‌های انرژی، دانشکده علوم و فنون نوین، دانشگاه تهران، تهران، ایران

چکیده

دوچندان می‌سازد. چالش‌های اصلی مدیران صنایع در اجرای یک طرح بازیابی حرارت اتلافی در کنار توجه به مسائل اقلیمی و زیست‌محیطی، کاهش مصرف سوخت و وابستگی به برق و همچنین توجیه‌پذیر بودن طرح از لحاظ اقتصادی است. در پژوهش حاضر، بهره‌گیری از حرارت اتلافی از کوره‌های واحد نم‌زدایی پالایشگاه بیدبلند موردتوجه قرار گرفته و با نمونه‌برداری از گازهای احتراقی در مقطعی از دودکش به ارتفاع 11 متر و قطر 1.24 متر، علاوه بر پارامترهای موردنیاز برای آزمایش‌های زیست‌محیطی، انرژی اتلافی از کوره‌ها نیز محاسبه گردید. فرآیند تولید توان به کمک چرخه رانکین آلی در سه طرح ساده، فوق گرم و بازیاب شبیه‌سازی شده است. در اجرای طرح فرض بر این است که دمای منابع ورودی و خروجی در محدوده معین و در حالت پایدار قرار دارد. درنهایت بر اساس تحلیل ترمودینامیکی و اقتصادی انجام شده، سیال R142b در چرخه فوق گرم و R245fa در چرخه ساده به ترتیب باراندمان 17.17 و 15.02 درصد و دوره بازگشت سرمایه 2.63 و 2.97 سال به ترتیب اولویت‌های اصلی مورد استفاده در پایلوت پالایشگاه هستند.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Techno-Economic Evaluation Evaluation of Heat Recovery from the Chimney of the Furnaces of the Dehumidification Unit of Bidboland Gas Refinery Using the Organic Rankine Cycle

نویسندگان [English]

  • مسعود درفشان 1
  • Paria Amirabedi 2
  • Mohsen Dorfeshan 3

1 Assistant Professor, Department of Mechanical Engineering, Faculty of Engineering, Behbahan Khatam Alanbia University of Technology, Behbahan, Iran

2 Assistant Professor, Department of Chemical Engineering, Faculty of Engineering, Behbahan Khatam Alanbia University of Technology, Behbahan, Iran

3 M.Sc. of Renewable Energies and Environment, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran

چکیده [English]

The energy crisis around the world justifies the exploitation of projects centered on the use of waste energy and has made its implementation necessary. The main challenges of industrial managers in implementing a waste heat recovery plan, besides paying attention to climate and environmental issues, are reducing fuel consumption and dependence on electricity, as well as justifying the plan from an economic point of view. In the current research, the use of waste heat from the furnaces of the dehumidification unit of Bidbland Refinery is taken into consideration by sampling the combustion gases in a section of the chimney with a height of 11 meters and a diameter of 1.24 meters, in addition to the parameters required for environmental tests, waste energy It was also calculated from furnaces. The power generation process has been simulated with the help of the organic Rankine cycle in three designs: simple, superheated, and regenerative. In carrying out this simulation, it is assumed that the temperature of the input sources and the temperature of the output source are in a certain range, and are in the steady state. Finally, based on the thermodynamic and economic analysis, R142b fluid in the superheated and normal butane cycle and R245fa in the simple cycle are the main priorities used in the refinery pilot with a payback period of 2.63, 2.64 and 2.97 years, respectively.

کلیدواژه‌ها [English]

  • Rankine Organic Cycle
  • Waste Heat
  • Thermal Efficiency
  • Gas Refinery
  • Gas Dehumidification Furnaces
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  • تاریخ دریافت: 07 آبان 1402
  • تاریخ بازنگری: 07 آذر 1402
  • تاریخ پذیرش: 26 آذر 1402