CIESC Journal ›› 2014, Vol. 65 ›› Issue (11): 4551-4556.doi: 10.3969/j.issn.0438-1157.2014.11.048

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Partial load performance of biogas engine driven air source heat pump system

WU Jiying1,2, MA Yimin1,2   

  1. 1. Mechanical and Energy Engineering College, Jimei University;
    2. Fujian Province Key Laboratory of Energy Cleaning Utilization and Development, Xiamen 361021, Fujian, China
  • Received:2014-02-19 Revised:2014-08-13 Online:2014-11-05 Published:2014-09-02
  • Supported by:

    supported by the Natural Science Foundation of Fujian Province(2010J01301) and the Cleaning Combustion and Energy Utilization Research Center of Fujian Province(2009H2006).

Abstract: A biogas engine driven heat pump system for comprehensive utilization and conservation of energy is presented. An experimental platform was constructed and the system performance was tested. Based on theoretical analysis and experimental data, the relationship between load rate of biogas engine and biogas consumption, waste heat recovery, system coefficient of performance (COP) and primary energy ratio (PER) was studied. Results indicate that the partial load performance of this system is good, with the maximum COP of 4.18 and the maximum PER of 1.4 for recovering the waste heat of biogas engine exhaust fume only. Therefore, the biogas engine driven air source heat pump system can significantly improve heating capacity and lower energy consumption so as to achieve comprehensive and effective utilization of biogas energy.

Key words: renewable energy, thermodynamic process, waste heat recovery, experimental validation, load rate, energy conservation system

CLC Number: 

  • TU832.2
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