【摘要】 回收冷凝热对流经蒸发器的空气再热，减少电加热器耗能，是降低蒸发冷却空调试验室能耗的有效方法。为研究试验室环境温度、冷凝温度对蒸发冷却空调试验室冷凝热回收系统性能的影响，在不同试验室环境温度、冷凝温度工况下进行实验。结果表明：冷凝热回收系统的制冷量随着环境室温度的升高而增大，当试验室环境温度由27℃增至35℃,冷凝热回收系统制冷量由105 kW增大到146 kW,提高了39%,比传统制冷系统提高了17.8%;冷凝热回收系统的显热回收量随着冷凝温度的升高而增大，由冷凝温度40℃下的20.7 kW显热量增至56℃工况下的30.4 kW,提升了46.9%。此外，随着冷凝温度升高，系统的制冷系数下降，当冷凝温度为56℃时，制冷系数降至2.16。更多还原

【Abstract】 Recovering condensing heat can be used to reheat the air flowing through the evaporator to reduce the energy consumption of the electric heater. Thus, it is an effective way to reduce the energy consumption of the evaporative cooling air conditioning laboratory. This study focuses on the influence of laboratory ambient room temperature and condensation temperature on the performance of the condensation heat recovery system in the evaporative cooling air conditioning laboratory. Experiments were carried out under different laboratory ambient temperature and condensation temperature. The results show that the cooling capacity of the condensing heat recovery system increases with the increase of the ambient room temperature. When the ambient temperature increases from 27 ℃ to 35 ℃, the cooling capacity of the condensing heat recovery system increases from 105 kW to 146 kW by 39%. Compared with the traditional cooling system, the cooling capacity of the condensing heat recovery system increases by 17.8%. The sensible heat recovery capacity of the condensing heat recovery system increases with the increase of condensing temperature, from 20.7 kW at 40 ℃ to 30.4 kW at 56 ℃ by 46.9%. In addition, the cooling factor of the system decreases as the condensing temperature increases. The cooling coefficient of performance drops to 2.16 when the condensing temperature is 56 ℃.更多还原