单元式直接蒸发冷却空调机组应用实测及分析

Test and analysis on unit direct evaporative cooling air-conditioning unit

对应用于西安某地铁高架站台的单元式直接蒸发冷却空调机组进行实际测试,结果表明,该机组的直接蒸发冷却效率可达86.5%,峰值制冷量为21.54 kW,最佳能效比可达到12.73,其送风口最高风速可达10.6 m/s,送风范围可达9.7 m,进出风口的PM10和PM2.5均可达到GB 3095—2012《环境空气质量标准》中的一级浓度标准。

The actual test on the unit direct evaporative cooling air-conditioning unit in a subway elevated platform in Xi’an is conducted. The result shows that the direct evaporative cooling efficiency of the unit can reach 86.5%, the peak cooling capacity is 21.54 kW, and the best energy efficiency ratio can reach 12.73. The maximum wind speed of the air supply outlet can reach 10.6 m/s, and the air supply range can reach 9.7 m. The PM10and PM2.5of the air inlet/outlet can reach the level 1 concentration standard in the GB 3095-2012 Ambient air quality standard.