期刊
ENERGY
卷 230, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2021.120765
关键词
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
资金
- Science and Technology Support Plan of Beijing Municipal Science and Technology Commission, China [Z191100009119005]
- Innovation Research Team Project of the National Natural Science Foundation of China [51521005]
The study introduces a low carbon district heating system that is suitable for large cities in Northern China, aiming to reduce energy consumption, emissions, and improve the economics of the heating systems.
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. (c) 2021 Elsevier Ltd. All rights reserved.
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