Energy and exergy analysis of a steam power plant to replace the boiler with a heat recovery steam generator

被引:2
|
作者
Mohseni, Mahdi [1 ]
Bahrami, Hamid-Reza [1 ]
Leili, Mohammad Sadegh [1 ]
机构
[1] Qom Univ Technol, Dept Mech Engn, POB 37195-1519, Qom 3718146645, Iran
关键词
energy; exergy; thermal power plant; steam cycle; combined cycle; first law efficiency; second law efficiency; heat recovery; steam generator; turbine; boiler; OPTIMIZATION;
D O I
10.1504/IJEX.2024.136448
中图分类号
O414.1 [热力学];
学科分类号
摘要
This research aims to optimise the power production of a thermal power plant in Iran by replacing the existing boiler with a heat recovery steam generator. A comprehensive study of the existing steam cycle and the proposed combined system reveals that the boiler, turbine, and condenser have the highest exergy destruction rates. The six heaters and boiler contribute 25% and 70% of the turbine input energy, respectively. The inlet temperatures of HP and IP turbines have the largest influence on the efficiency. The combined cycle analysis shows that first and second-law efficiencies can be increased by 27% and 26%, respectively.
引用
收藏
页码:1 / 20
页数:21
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