近共沸制冷剂R134a/R290的研究  

STUDY OF THE NEAR-AZEOTROPIC MIXTURE OF R134A AND R290

作　　者：徐明仿[1] 杜维明[1] 晏刚[1] 

机构地区：[1]西安交通大学能动学院制冷与低温工程系

出　　处：《制冷与空调》2004年第5期71-74,共4页Refrigeration and Air-Conditioning

摘　　要：当R134a的质量在 5 5 %～ 6 5 %之间时 ,R134a/R2 90混合物是近共沸混合物。它可以作为R2 2的替代制冷剂 ,并具有优秀的循环性能。这种制冷剂用在空调器中是安全的 。The mixture of R134a and R290 is near-azeotropic when the content of R134a is between 55% and 65% by mass.It can be used as the alternative refrigerant of R22 with excellent performance.It is safe to be used in air conditioner and it is possible to use mineral oils or alkyenzene as the lubricants.

关 键 词：R290 制冷剂 R134A 循环性能 空调器 替代 矿物油 共沸混合物 烷基苯 研究 

分 类 号：TB64[一般工业技术—制冷工程]