中文摘要：

简要介绍制冷剂的发展历史,详细介绍相关行业中制冷剂的应用现状及我国目前在替代HCFC-22方面的工作,重点介绍若干最新备受关注的制冷剂如HFO-1234yf及其混合物、HFC-161及其混合物、HFC-32和R290等。由于这些制冷剂普遍存在的可燃性问题,本文也将介绍一些描述可燃性的参数以及相关的国际标准,并提出一些选择可燃制冷剂的注意点。

英文摘要：

Depicts the brief history of refrigerants,the application of the refrigerants to the related industries and the progress of phase-out of HCFC-22 of China.Introduces some promising refrigerants,such as HFO-1234yf and its mixture,HFC-161 and its mixture,HFC-32 and R290.Because of the flammability of those refrigerants,also introduces some parameters which are used to express the flammability and the relevant international standards,points out some considerations of the selection for the flammable refrigerants.