Techno-economic and environmental performance of a novel thermal station characterized by electric power generation recovery as by-product

Tailu Li, Yao Zhang, Jingyi Wang, Fengyun Jin and Ruizhao Gao

Renewable Energy, 2024, vol. 221, issue C

Abstract: As the quality of life continues to improve, the requirement for district heating is gradually growing, contributing to problems of climate change and environmental degradation. The electricity consumption and heat losses in thermal stations are significant. To address these issues, a novel self-sufficient thermal station in electric power is proposed in this paper. The techno-economic and environmental performances of the novel electricity self-sufficient thermal station under operating conditions is analyzed employing a mathematical model. The results show that the higher the temperature of the primary heating network supply water, the better the overall performance of the system. Additionally, a lower point pinch temperature difference is beneficial for improving the performance of the system. At the primary heating network supply water temperature of 100 °C and the evaporating temperature of 69 °C, the PBP obtains the minimal value of 6.53 years. The annual saving coal can reach 73.21 t and reducing CO2 emissions can reach 199.55 t. Therefore, the novel electricity self-sufficient thermal station can meet certain technical requirements for combined heating and power generation while demonstrating superior economic capability.

Keywords: Organic rankine cycle; Thermal station; Thermodynamic performance analysis; Techno-economic performance (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:221:y:2024:i:c:s0960148123017731

DOI: 10.1016/j.renene.2023.119858

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