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Thermodynamic performance of a double-effect absorption heat-transformer using TFE/E181 as the working fluid

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  • Zhao, Zongchang
  • Zhang, Xiaodong
  • Ma, Xuehu

Abstract

Trifluoroethanol(TFE)-tetraethylenglycol dimethylether (TEGDME or E181) is a new organic working-pair which is non-corrosive, completely miscible and thermally stable up to 250 °C. It is suitable for upgrading low-temperature level industrial waste-heat to a higher temperature level for reuse. In this paper, the thermodynamic performance of the double-effect absorption heat-transformer (DEAHT) using TFE/E181 as the working fluid is simulated, based on the thermodynamic properties of TFE/E181 solution. The results show that, when the temperature in the high-pressure generator exceeds 100 °C and the gross temperature lift is 30 °C, the coefficient of performance (COP) of the DEAHT is about 0.58, which is larger than the 0.48 of the single-stage absorption heat-transformer (SAHT), the increase of COP is about 20%. But it is still less than 0.64 of the DEAHT using LiBr-H2O as the working fluid. Meanwhile, the COP of the DEAHT decreases more rapidly with increases of the absorption temperature than that for the SAHT. The range of available gross temperature-lift for the DEAHT is narrower than that of the SAHT. The higher the temperature in the high-pressure generator, the larger the gross temperature-lift could be. So the double-effect absorption heat-transformer is more suitable for being applied in those circumstances of having a higher-temperature heat-resource and when a higher temperature-lift is not needed.

Suggested Citation

  • Zhao, Zongchang & Zhang, Xiaodong & Ma, Xuehu, 2005. "Thermodynamic performance of a double-effect absorption heat-transformer using TFE/E181 as the working fluid," Applied Energy, Elsevier, vol. 82(2), pages 107-116, October.
    • Handle: RePEc:eee:appene:v:82:y:2005:i:2:p:107-116
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    Cited by:

    1. Gao, J.T. & Xu, Z.Y. & Wang, R.Z., 2021. "An air-source hybrid absorption-compression heat pump with large temperature lift," Applied Energy, Elsevier, vol. 291(C).
    2. Parham, Kiyan & Khamooshi, Mehrdad & Tematio, Daniel Boris Kenfack & Yari, Mortaza & Atikol, Uğur, 2014. "Absorption heat transformers – A comprehensive review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 34(C), pages 430-452.
    3. Sun, Jian & Fu, Lin & Zhang, Shigang, 2012. "A review of working fluids of absorption cycles," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(4), pages 1899-1906.
    4. Donnellan, Philip & Cronin, Kevin & Byrne, Edmond, 2015. "Recycling waste heat energy using vapour absorption heat transformers: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 42(C), pages 1290-1304.
    5. S. Mohammad S. Mahmoudi & Sina Salehi & Mortaza Yari & Marc A. Rosen, 2017. "Exergoeconomic Performance Comparison and Optimization of Single-Stage Absorption Heat Transformers," Energies, MDPI, vol. 10(4), pages 1-28, April.
    6. Cao, Haibo & Li, Zhexu & Peng, Wanli & Yang, Hanxin & Guo, Juncheng, 2023. "Optimal analyses and performance bounds of the low-dissipation three-terminal heat transformer: The roles of the parameter constraints and optimization criteria," Energy, Elsevier, vol. 277(C).
    7. Horuz, Ilhami & Kurt, Bener, 2010. "Absorption heat transformers and an industrial application," Renewable Energy, Elsevier, vol. 35(10), pages 2175-2181.
    8. Xu, Z.Y. & Mao, H.C. & Liu, D.S. & Wang, R.Z., 2018. "Waste heat recovery of power plant with large scale serial absorption heat pumps," Energy, Elsevier, vol. 165(PB), pages 1097-1105.
    9. Colorado, D. & Hernández, J.A. & Rivera, W. & Martínez, H. & Juárez, D., 2011. "Optimal operation conditions for a single-stage heat transformer by means of an artificial neural network inverse," Applied Energy, Elsevier, vol. 88(4), pages 1281-1290, April.
    10. Papadopoulos, Athanasios I. & Kyriakides, Alexios-Spyridon & Seferlis, Panos & Hassan, Ibrahim, 2019. "Absorption refrigeration processes with organic working fluid mixtures- a review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 109(C), pages 239-270.
    11. Zhang, Jing & Zhang, Hong-Hu & He, Ya-Ling & Tao, Wen-Quan, 2016. "A comprehensive review on advances and applications of industrial heat pumps based on the practices in China," Applied Energy, Elsevier, vol. 178(C), pages 800-825.
    12. Panowski, Marcin & Zarzycki, Robert & Kobyłecki, Rafał, 2021. "Conversion of steam power plant into cogeneration unit - Case study," Energy, Elsevier, vol. 231(C).

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