Study of Heat-source-tower Heat Pump System Efficiency

摘要

This paper introduced the forms and characteristics of heat-source-tower heat pump air-conditioning system, analyzed its principle and working process, established closed source heat pump equipment and studied on the influence of heat source heat pump performance under different outdoor air parameters, making antifreeze and water as the heat transfer medium. Studies have shown that the wet-bulb temperature is 3.6 °C, relative humidity is 80 %, and it need to be sprayed antifreeze for frost prevention and at this time the system efficiency has increased 5 % to 11 %, suggesting that heat source heat pump can increase its efficiency under frost prevention conditions, which would provide guidelines for designing heat-source heat pump system.