制冷剂的替代与延续技术  

Substitution and Postponable Technology of Refrigerants

作　　者：马一太[1] 王伟[1] 

机构地区：[1]天津大学热能研究所,天津300072

出　　处：《制冷学报》2010年第5期11-17,23,共8页Journal of Refrigeration

基　　金：国家科技支撑计划(2006BAK04A22)资助项目~~

摘　　要：HCFCs制冷剂的替代进程已经确定,本文总结了目前已经推出的各种HFCs人工合成制冷剂和碳氢化合物等自然工质制冷剂,分析了其优点和不足。作为替代技术的补充,还应该研究HCFCs制冷剂的减量延续技术,通过系统优化的方式合理设计新型循环系统,如用干式蒸发器替代满液式蒸发器可减少约50%的充灌量,降膜式替代满液式可减少约30%的充灌量。随着温室气体的减排进程加快,HFCs制冷剂在未来被淘汰也是不可避免的,欧盟的No.842-2006禁氟法规已经限制了R134a的使用。应当重视法规和标准在制冷剂替代过程中的决定性作用,积极跟踪国外法规的最新动态,才能在制冷剂替代问题上掌握主动权。The substitution course of HCFC refrigerants has been determined.In this paper, various HFCs and natural refrigerants for substitution are summarized and their advantages and shortcomings are analyzed.HCFCs charge decrease and postponable technology with new circulation systems by system optimization should be considered to be supplement for substitution technology, e.g., 50% and 30% decrease of charge with a dry-type evaporator and a falling film evaporator instead of a flooded evaporator, respectively.With the accelerated reduction of greenhouse gases, it is inevitable that HFCs will be phased out in the future.R134a has been limited by EU No.842-2006 Rugulation.Regulations and standards play a decisive role in the refrigerant replacement.It is suggested that we should track the latest development of foreign laws and regulations actively in order to seize the initiative on the issue of refrigerant substitution.

关 键 词：热工学 HCFCS HFCS 替代 延续技术 

分 类 号：TB612[一般工业技术—制冷工程]