电驱动和燃气驱动空气源热泵运行设备的分析

对燃气驱动以及电驱动空气源热泵的制热过程进行了分析,得出各个运行设备的损、效率以及热力完善度。研究结果表明:空气源热泵的四大部件:蒸发器、压缩机、冷凝器、节流阀的损分别为0.372、2.722、1.219、0.322。燃气空气源热泵与电驱动空气源热泵均等效为一次能源时,系统的效率分别为22.52%、17.4%,可以看出燃气空气源热泵效率较电驱动空气源热泵高,燃气机热泵更经济节能。

Exergy Analysis of the Operating Equipment of Electricity Engine-driven and Gas Engine-driven Air Source Heat Pump

The exergy analysis of the gas engine-driven and electricity engine-driven air source heat pump are made.,and the exergy loss,exergy efficiency and thermodynamic perfection degree of each equipment were obtained. The results show that the exergy losses of air source heat pump in the evaporator,compressor,condenser and throttle valve are 0. 372,2. 722,1. 219,0. 322,respectively. When gas engine-driven and electricity engine-driven air source heat pump are all equivalent to primary energy source,the exergy efficiency of the whole system were 22. 52%,17. 4%,it can be seen that the exergy efficiency of the gas engine-driven air source heat pump is higher than that of the electricity engine-driven air source heat pump,and the gas enginedriven air source heat pump is more economical and energy saving.