| ¡¡ Gas Engine Driven Heat Pump System Life Cycle
Assessment
Deng Jianqiang£¬Li Wenliang£¬Zhang Zaoxiao
(School of Energy and Power Engineering£¬Xi'an¡¡Jiaotong¡¡University£¬Xi'an 710049£¬China)
Abstract£ºLife cycle assessment (LCA) was used to analyze the influence of a household
gas engine driven heat pump system (GHP) on the human health,the ecosystem quality and the
resource consumption. The results show that its environmental indicator score on the
resource consumption is 5.18 kPt for the GHP.This score is about 5 times of that on the
human health and 50 times of that on the ecosystem quality. In addition, the enviromental
indicator score of GHP is 6.08 kPt.For reducing the environment impacts in GHP life
process,attention should be paid on the influence of the natural gas consumption.The
proportion of influence of the system manufacture, the natural gas consumption, and
recovery processing on 11 environment items was obtained. For the electric power driven
heat pump, its environment indicator score of the electric power consumption model is
greater than that of the GHP natural gas consumption model in the all three aspects: human
health,ecosystem quality and resource consumption.The total environment indicator score of
electric power consumption model is 3 times that of the natural gas consumption model.
Keywords£ºgas engine driven heat pump£»natural gas£»life cycle assessment |
