Low carbon district heating in China in 2025- a district heating mode with low grade waste heat as heat source

Lin Fu, Yonghong Li, Yanting Wu, Xiaoyin Wang and Yi Jiang

Energy, 2021, vol. 230, issue C

Abstract: Clean district heating systems are needed in large cities, especially in Northern China. This paper presents a low carbon district heating system that features a low return water temperature, use of low grade waste heat as the main heat source, long distance heat transmission with a large temperature difference, distributed peak heating load addition by natural gas and heat-power decoupling with heat pump and thermal storage. This Low carbon district heating 2025 system is suitable for large cities, large waste heat sources, high heating densities and the utilization of using existing large heating networks in almost all the cities of Northern China. These clean heating systems in Chinese cities have great potential to reduce energy use, reduce emissions and improve the district heating system economics.

Keywords: Clean heating systems; Low carbon; Low return water temperature; Low-grade waste heat; Long distance heat transmission; Heat-power decoupling with heat pump and thermal storage (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (15)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:230:y:2021:i:c:s0360544221010136

DOI: 10.1016/j.energy.2021.120765

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