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CFC对大气层的破坏及温室效应,已引起了全球性关注。国际社会对CFC替代技术进行了广泛的研究。本文通过计算及分析R717、R290替代R22、R502的可能性,为制冷工质回归自然提供参考信息。
The destruction of the atmosphere by CFCs and the greenhouse effect have drawn global attention. The international community has conducted extensive research on CFC alternative technologies. In this paper, by calculating and analyzing the possibility that R717 and R290 replace R22 and R502, this paper provides a reference for the return of refrigerant to nature.