As an energy-saving and environmentally friendly technology, the urban sewage source heat pump (USSHP) had been widely applied in the field of heating and air conditioning. Chinese researchers recently designed an urban sewage source heat pump system composed of a filth block device, a wastewater heat exchanger, a heat pump, and other assistant facilities, such as pumps, fans, and end user devices. The system was built in 2008, and has been in operation since then. We tested the parameters of the system on the heating and cooling status from the wastewater source to the heat pump, including the temperature and flux of sewage, the inlet and outlet parameters of different facilities, and the performance of different facilities for a typical operation status. Based on the test results, the overall COP of the system in the heating and cooling mode was computed, and the energy efficiency level was analyzed. Then a method was proposed to improve the system’s performance. After the improvements, the characteristic curves of the typical operation status were investigated. The results indicated that the heating COP is about 4.3, and the cooling COP is about 3.5 in the actual operating conditions. These results could serve as a reference for designing or evaluating urban sewage source heat pump systems.
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ASME 2009 3rd International Conference on Energy Sustainability collocated with the Heat Transfer and InterPACK09 Conferences
July 19–23, 2009
San Francisco, California, USA
Conference Sponsors:
- Advanced Energy Systems Division and Solar Energy Division
ISBN:
978-0-7918-4889-0
PROCEEDINGS PAPER
Performance Study of the Engineering Practice of Urban Sewage Source Heat Pump System Available to Purchase
X. L. Zhao,
X. L. Zhao
Tsinghua University, Beijing, China
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J. Z. Zhu,
J. Z. Zhu
The 3rd Railway Survey & Design Institute Group Corporation, Tianjin, China
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B. M. Huang,
B. M. Huang
The 3rd Railway Survey & Design Institute Group Corporation, Tianjin, China
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T. He,
T. He
The 3rd Railway Survey & Design Institute Group Corporation, Tianjin, China
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Y. Jiang
Y. Jiang
Tsinghua University, Beijing, China
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L. Fu
Tsinghua University, Beijing, China
X. L. Zhao
Tsinghua University, Beijing, China
J. Z. Zhu
The 3rd Railway Survey & Design Institute Group Corporation, Tianjin, China
B. M. Huang
The 3rd Railway Survey & Design Institute Group Corporation, Tianjin, China
T. He
The 3rd Railway Survey & Design Institute Group Corporation, Tianjin, China
Y. Jiang
Tsinghua University, Beijing, China
Paper No:
ES2009-90031, pp. 437-443; 7 pages
Published Online:
September 29, 2010
Citation
Fu, L, Zhao, XL, Zhu, JZ, Huang, BM, He, T, & Jiang, Y. "Performance Study of the Engineering Practice of Urban Sewage Source Heat Pump System." Proceedings of the ASME 2009 3rd International Conference on Energy Sustainability collocated with the Heat Transfer and InterPACK09 Conferences. ASME 2009 3rd International Conference on Energy Sustainability, Volume 1. San Francisco, California, USA. July 19–23, 2009. pp. 437-443. ASME. https://doi.org/10.1115/ES2009-90031
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