LAPSE:2019.0331
Published Article
LAPSE:2019.0331
Research on a Household Dual Heat Source Heat Pump Water Heater with Preheater Based on ASPEN PLUS
Xiang Gou, Yang Fu, Imran Ali Shah, Yamei Li, Guoyou Xu, Yue Yang, Enyu Wang, Liansheng Liu, Jinxiang Wu
February 27, 2019
This article proposes a dual heat source heat pump bathroom unit with preheater which is feasible for a single family. The system effectively integrates the air source heat pump (ASHP) and wastewater source heat pump (WSHP) technologies, and incorporates a preheater to recover shower wastewater heat and thus improve the total coefficient of performance (COP) of the system, and it has no electric auxiliary heating device, which is favorable to improve the security of the system operation. The process simulation software ASPEN PLUS, widely used in the design and optimization of thermodynamic systems, was used to simulate various cases of system use and to analyze the impact of the preheater on the system. The average COP value of a system with preheater is 6.588 and without preheater it is 4.677. Based on the optimization and analysis, under the standard conditions of air at 25 °C, relative humidity of 70%, wastewater at 35 °C, wastewater flow rate of 0.07 kg/s, tap water at 15 °C, and condenser outlet water temperature at 50 °C, the theoretical COP of the system can reach 9.784 at an evaporating temperature of 14.96 °C, condensing temperature of 48.74 °C, and preheated water temperature of 27.19 °C.
Keywords
Aspen Plus, coefficient of performance (COP), dual heat source, heat pump, household water heater, preheater
Suggested Citation
Gou X, Fu Y, Shah IA, Li Y, Xu G, Yang Y, Wang E, Liu L, Wu J. Research on a Household Dual Heat Source Heat Pump Water Heater with Preheater Based on ASPEN PLUS. (2019). LAPSE:2019.0331
Author Affiliations
Gou X: School of Energy and Environmental Engineering, Hebei University of Technology, 5340# Xiping Road, Shuangkou Town, Beichen District, Tianjin 300401, China
Fu Y: School of Energy and Environmental Engineering, Hebei University of Technology, 5340# Xiping Road, Shuangkou Town, Beichen District, Tianjin 300401, China
Shah IA: School of Energy and Environmental Engineering, Hebei University of Technology, 5340# Xiping Road, Shuangkou Town, Beichen District, Tianjin 300401, China [ORCID]
Li Y: School of Energy and Environmental Engineering, Hebei University of Technology, 5340# Xiping Road, Shuangkou Town, Beichen District, Tianjin 300401, China
Xu G: School of Energy and Environmental Engineering, Hebei University of Technology, 5340# Xiping Road, Shuangkou Town, Beichen District, Tianjin 300401, China
Yang Y: School of Energy and Environmental Engineering, Hebei University of Technology, 5340# Xiping Road, Shuangkou Town, Beichen District, Tianjin 300401, China
Wang E: School of Energy and Environmental Engineering, Hebei University of Technology, 5340# Xiping Road, Shuangkou Town, Beichen District, Tianjin 300401, China
Liu L: School of Energy and Environmental Engineering, Hebei University of Technology, 5340# Xiping Road, Shuangkou Town, Beichen District, Tianjin 300401, China
Wu J: School of Energy and Environmental Engineering, Hebei University of Technology, 5340# Xiping Road, Shuangkou Town, Beichen District, Tianjin 300401, China
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Journal Name
Energies
Volume
9
Issue
12
Article Number
E1026
Year
2016
Publication Date
2016-12-03
Published Version
ISSN
1996-1073
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PII: en9121026, Publication Type: Journal Article
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LAPSE:2019.0331
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doi:10.3390/en9121026
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Feb 27, 2019
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Calvin Tsay
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