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شبیهسازی و تحلیل عملکرد پیشگرمکن خورشیدی نیروگاه تولید همزمان برق و حرارت صنعت نیشکر | ||
| مهندسی بیوسیستم ایران | ||
| دوره 57، شماره 1، اردیبهشت 1405، صفحه 107-128 اصل مقاله (2.03 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/ijbse.2026.406402.665627 | ||
| نویسندگان | ||
| ایوب کعبی مفرد1؛ عباس عساکره* 2؛ ابراهیم حاجی دولو3؛ مصطفی کیانی ده کیانی4 | ||
| 1گروه مهندسی مکانیک، دانشکده مهندسی، دانشگاه شهید چمران اهواز، اهواز، ایران | ||
| 2گروه مهندسی بیوسیستم، دانشکده کشاورزی، دانشگاه شهید چمران اهواز، اهواز، ایران | ||
| 3گروه مهندسی مکانیک، دانشکده مهندسی، دانشگاه شهید چمران اهواز، اهواز، ایران. | ||
| 4گروه مهندسی بیوسیستم، دانشکده کشاورزی، دانشگاه شهید چمران اهواز، اهواز | ||
| چکیده | ||
| در این پژوهش، عملکرد و امکانسنجی فنی، محیط زیستی و اقتصادی پیشگرمکن خورشیدی برای نیروگاه تولید همزمان برق و حرارت شرکت دعبل خزاعی مورد بررسی قرار گرفته است. هدف این مطالعه، کاهش مصرف سوخت فسیلی و افزایش بازده حرارتی نیروگاه از طریق جایگزینی بخشی از گاز طبیعی در فرآیند پیشگرمایش آب تغذیه دیگ بخار با انرژی خورشیدی است. شبیهسازیهای دینامیکی با استفاده از نرمافزار ترنسیس انجام شد تا رفتار حرارتی سامانه، شامل دو نوع کلکتور خورشیدی لوله خلأ و سهموی، ارزیابی و مقایسه شود. دادههای آبوهوایی و خصوصیات فنی سامانه پایه در مدل لحاظ گردید و اعتبار مدل از طریق تطبیق خروجیها با دادههای تجربی تأیید شد. نتایج نشان داد کلکتور لوله خلأ به ازای هر هکتار سطح قادر به تولید 26519 گیگاژول انرژی حرارتی در سال است، در حالی که کلکتور سهموی به ازای هر هکتار سطح توان تولید 16239 گیگاژول در سال را دارد. دمای خروجی هر دو نوع کلکتور در ساعات اوج تابش خورشیدی قادر به دستیابی به دمای طراحی سامانه است. از دیدگاه محیط زیستی، استفاده از کلکتورهای خورشیدی موجب کاهش سالانه ۴۲۴۳ تن CO₂ eq در سامانه لوله خلأ و ۳۰۹۶ تن CO₂ eq در سامانه سهموی شد. تحلیل اقتصادی نشان داد که طرح استفاده از جمعکننده لوله خلاء با دوره بازگشت سرمایه 2/7 سال و نرخ بازده سرمایه 9/31 درصد اقتصادیتر است. در مجموع، یافتهها بیانگر کارایی بالای ادغام انرژی خورشیدی در پیشگرمایش آب خوراک دیگ بخار و تأثیر مثبت آن بر کاهش مصرف سوخت، ارتقای بازده حرارتی و کاهش انتشار گازهای گلخانهای در نیروگاه دعبل خزاعی است. | ||
| کلیدواژهها | ||
| تحلیل انرژی؛ شبیه سازی با ترنسیس؛ کلکتور سهموی شکل؛ کلکتور لوله خلاء؛ گازهای گلخانهای | ||
| عنوان مقاله [English] | ||
| Simulation and Performance Analysis of the Solar Preheater of the Cogeneration Power Plant of the Sugarcane Industry | ||
| نویسندگان [English] | ||
| Ayoub Kaabimofrad1؛ Abbas Asakereh2؛ Ebrahim Hajidavalloo3؛ Mostafa Kiani Deh Kiani4 | ||
| 1Department of Mechanical Engineering, Faculty of Engineering, Shahid Chamran University of Ahvaz, Ahvaz, Iran | ||
| 2Department of Biosystems Engineering, Faculty of Agriculture, Shahid Chamran University of Ahvaz, Iran, Ahvaz, Iran | ||
| 3Department of Mechanical Engineering, Faculty of Engineering, Shahid Chamran University of Ahvaz, Ahvaz, Iran | ||
| 4Department of Biosystems Engineering, Faculty of Agriculture, Shahid Chamran University of Ahvaz, Ahvaz, Iran | ||
| چکیده [English] | ||
| This research investigated the technical and environmental feasibility of a solar preheater at the Dehbal Khuzayi CHP plant. The goal was to reduce fossil fuel consumption and boost thermal efficiency by using solar energy for boiler feedwater preheating. Dynamic simulations were performed using TRNSYS software to evaluate and compare the thermal behavior of the system, including evacuated tube and parabolic trough collectors. Weather data and the technical characteristics of the base system were considered in the model, and the model’s validity was confirmed by matching its outputs with experimental data. he results showed that the ETC is capable of producing 26,519 GJ of thermal energy per hectare annually, while the PTC has the capacity to produce 16,239 GJ per hectare annually. The outlet temperature of both collector types is capable of reaching the system’s design temperature during peak solar radiation hours. From an environmental perspective, the use of solar collectors resulted in an annual reduction of 4,243 tons of CO₂-eq in the ETC and 3,096 tons of CO₂-eq in the PTC. The economic analysis showed that the ETC is more economical, with a payback period of 2.7 years and an internal rate of return of 31.9 percent. Overall, the results indicate the high efficiency of integrating solar energy into boiler feedwater preheating and its positive impact on reducing fuel consumption, improving thermal efficiency, and decreasing greenhouse gas emissions at the Dehbal Khuzayi power plant. | ||
| کلیدواژهها [English] | ||
| Energy analysis, Simulation TRNSYS, Parabolic trough collector, Evacuated tube collector, Greenhouse gases | ||
| مراجع | ||
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