替代制冷剂R290与R404A的对比特性研究  

Comparative Study on Alternative Refrigerants R290 and R404A

作　　者：王传龙 邵美玲 Wang Chuanong;Shao Meiing(AVIC Electromechanical(Shenyang)Sanyo Refrigeration Equipment Co.Ltd.,Shenyang,110027,China)

机构地区：[1]沈阳中航机电三洋制冷设备有限公司,沈阳110027

出　　处：《冷藏技术》2024年第2期68-71,79,共5页Journal of Refrigeration Technology

摘　　要：本文研究了R290与R404A在低温转子式压缩机中的性能差异,在冷凝温度54.4℃,蒸发温度-23.3℃,根据理论及实测数据得出结论,R290制冷能力比R404A低16%左右,功率、电流比R404A低20%左右;在冷凝温度54.4℃,蒸发温度-6.7℃,根据理论及实测数据得出结论,R290制冷能力比R404A低14%左右,功率、电流比R404A低20%左右。This article investigates the performance differences between R290 and R404A in low-temperature rotary compressors,with condensation temperature of 54.4℃and evaporation temperature of-23.3℃,based on theoretical and experimental data that the refrigeration capacity of R290 is about 16%lower than R404A,and the power and current are about 20% lower than R404A;With condensation temperature of 54.4℃ and evaporation temperature of-6.7℃,based on theoretical and measured data,it can be concluded that the refrigeration capacity of R290 is about 14% lower than R404A,and the power and current are about 20% lower than R404A.

关 键 词：替代制冷剂 R290 R404A 对比特性 

分 类 号：TB64[一般工业技术—制冷工程]