含R290混合物用于家用空调冷媒的性能研究

Theoretical Study on the Mixtures Containing R290 as Refrigerants for Domestic Air-conditioners

对含R290的共沸混合工质用于替代R22的可行性进行了研究。理论计算结果表明, 共沸混合物除了具有优良的热物理性能之外,容积制冷量亦有所提高,有可能成为R22的替代物; 对这几种工质的可燃性进行了评估,认为其用于家用空调器是安全的。

The paper analyzes the feasibility of the azeotropic mixtures containing R290 as alternatives to the traditional R22 refrigerant. Theoretical calculations show that these azeotropic mixtures may be used as possible alternative replacements to R22 because of their environmentally friendly nature, excellent thermodynamic properties and similar volumetric capacity with that of R22. The flammability of the alternatives is also discussed. It can be concluded that they should be safety even for domestic air-conditioners.