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Technology application of district heating system with Co-generation based on absorption heat exchange

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  • Li, Yan
  • Fu, Lin
  • Zhang, Shuyan

Abstract

Aiming to explore the energy saving potential of Co-generation and improve the feasibility of district heating, a new type of district heating system with Co-generation based on absorption heat exchange (Co-ah system) has been proposed. It can improve the heating capacity and the energy efficiency by recycling the waste heat from the exhausted steam, and enhance the delivery capacity of the heat network by increasing the temperature difference between the supply and the return water. This paper focuses on the first large-scale industrial application project built in Datong City, China. The delivery capacity of the heat network had increased by 40%, and the heating capacity of the Co-generation system had increased by 50% due to the Co-ah technology. Study of the process design and the operation scheme of the Co-ah system have been introduced in this paper. By experiment methods, the feasibility and reliability of the Co-ah technology have been verified. In addition, through the analyses of measured data in the practical operation condition, the optimum operation condition is determined.

Suggested Citation

  • Li, Yan & Fu, Lin & Zhang, Shuyan, 2015. "Technology application of district heating system with Co-generation based on absorption heat exchange," Energy, Elsevier, vol. 90(P1), pages 663-670.
    • Handle: RePEc:eee:energy:v:90:y:2015:i:p1:p:663-670
    DOI: 10.1016/j.energy.2015.07.090
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    References listed on IDEAS

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    1. Sun, Jian & Fu, Lin & Sun, Fangtian & Zhang, Shigang, 2014. "Study on a heat recovery system for the thermal power plant utilizing air cooling island," Energy, Elsevier, vol. 74(C), pages 836-844.
    2. Li, Yan & Fu, Lin & Zhang, Shigang & Zhao, Xiling, 2011. "A new type of district heating system based on distributed absorption heat pumps," Energy, Elsevier, vol. 36(7), pages 4570-4576.
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    6. Yang, Bo & Jiang, Yi & Fu, Lin & Zhang, Shigang, 2018. "Modular simulation of cogeneration system based on absorption heat exchange (Co-ah)," Energy, Elsevier, vol. 153(C), pages 369-386.
    7. Picardo, Alberto & Soltero, Victor M. & Peralta, M. Estela & Chacartegui, Ricardo, 2019. "District heating based on biogas from wastewater treatment plant," Energy, Elsevier, vol. 180(C), pages 649-664.
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    10. Beatriz María Paredes-Sánchez & José Pablo Paredes & Natalia Caparrini & Elena Rivo-López, 2021. "Analysis of District Heating and Cooling Energy Systems in Spain: Resources, Technology and Management," Sustainability, MDPI, vol. 13(10), pages 1-22, May.
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    12. Heng Chen & Jidong Xu & Yao Xiao & Zhen Qi & Gang Xu & Yongping Yang, 2018. "An Improved Heating System with Waste Pressure Utilization in a Combined Heat and Power Unit," Energies, MDPI, vol. 11(6), pages 1-20, June.
    13. Wu, Wei & Ran, Siyuan & Shi, Wenxing & Wang, Baolong & Li, Xianting, 2016. "NH3-H2O water source absorption heat pump (WSAHP) for low temperature heating: Experimental investigation on the off-design performance," Energy, Elsevier, vol. 115(P1), pages 697-710.
    14. Averfalk, Helge & Ingvarsson, Paul & Persson, Urban & Gong, Mei & Werner, Sven, 2017. "Large heat pumps in Swedish district heating systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 79(C), pages 1275-1284.
    15. Jinshi Wang & Weiqi Liu & Guangyao Liu & Weijia Sun & Gen Li & Binbin Qiu, 2020. "Theoretical Design and Analysis of the Waste Heat Recovery System of Turbine Exhaust Steam Using an Absorption Heat Pump for Heating Supply," Energies, MDPI, vol. 13(23), pages 1-19, November.
    16. Sun, Fangtian & Li, Junlong & Fu, Lin & Li, Yonghong & Wang, Ruixiang & Zhang, Shigang, 2020. "New configurations of district heating and cooling system based on absorption and compression chillers driven by waste heat of flue gas from coke ovens," Energy, Elsevier, vol. 193(C).
    17. Dong, Hye-Won & Lee, Sung-Joon & Yoon, Dong-Seob & Park, Joon-Young & Jeong, Jae-Weon, 2017. "Impact of district heat source on primary energy savings of a desiccant-enhanced evaporative cooling system," Energy, Elsevier, vol. 123(C), pages 432-444.

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