Energy and Exergy Analysis of Steam Power Plant Cycle of the Ninth Refinery of South Pars Gas Complex
Publish place: Iranica Journal of Energy and Environment، Vol: 16، Issue: 1
Publish Year: 1404
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJEE-16-1_013
تاریخ نمایه سازی: 31 تیر 1403
Abstract:
In this research, the energy and exergy analysis of steam power-plant of the ninth refinery of South Pars Complex has been studied. Firstly, according to thermodynamic characteristics, pressure, temperature , flow rate and the type of fluid in terms of saturated water, dense liquid and super heat steam, enthalpy and entropy quantities were calculated and then using energy and exergy balance relationships, the losses and efficiency of various equipments have been calculated. The results of energy analysis showed that Boiler with ۶۲.۰۹ MW, Drum ۱۰۷ with ۱۷.۷۵ MW and Deaerator with ۱۴.۱۷ MW have the highest energy losses and the efficiency of first law is ۴۱%. Also, based on the results of exergy analysis, boiler with ۹۴ MW, Heat exchanger with ۵.۲۹۷ MW and drum ۱۰۷ with ۵.۲۳۳ have the highest amount of exergy destruction and the efficiency of second law is ۳۳%. Also, the results showed that due to the use of the steam output from the turbine in other operating units in the studied refinery, the condensers have less exergy destruction and energy losses compared to other power-plants. In addition, by using the solution proposed in this research to heat input air of the combustion chamber through hot water coming out of the Continues Blow Down (CBD), it is possible significantly increase the exergy of the input air.
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Authors
E. Mehrabi Gohari
Department of Mechanical Engineering, Technical and Vocational University (TVU), Tehran, Iran
I. Pishkar
Department of Mechanical Engineering, Payame Noor University (PNU), P.O. Box ۱۹۳۹۵-۴۶۹۷, Tehran, Iran
E. Omidian
Department of Mechanical engineering,Islamic Azad University, Lamard branch, Fars province, Iran
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