超低温制冷装置的研究现状和进展  

Research status and progress of ultra-low temperature refrigeration plant

作　　者：郭耀君 谢晶[1,2] 朱世新[1,2] 王金锋[1,2] 汤元睿[1,2] 

机构地区：[1]上海海洋大学食品学院,上海201306 [2]上海水产品加工与贮藏工程技术研究中心,上海201306

出　　处：《食品与机械》2015年第1期238-243,共6页Food and Machinery

基　　金："十二五"国家支撑计划项目(编号:2012BAD38B09);上海市科委(编号:13dz1203702)

摘　　要：-40^-80℃的超低温被广泛应用于食品加工、石油化工、生物制药、科学实验等领域。文章主要介绍了超低温制冷系统及其所用制冷剂和压缩机的研究进展,通过对国内外的技术分析比较,指出未来超低温制冷装置的发展可从自复叠制冷系统优化、制冷剂替代采用天然工质、压缩机变频技术和CO2压缩机性能等方面进行进一步研究。Ultralow temperature of-40 ℃--80 ℃is mainly used in the fields such as food processing,petrochemical industry,biological pharmacy and scientific experiments.The ultralow temperature refrigeration system and the research progress with refrigerant and compressor were introduced.Based on the comparison with the current research at home and abroad.the future development of ultralow temperature refrigeration unit can be optimized from the autocascade refrigeration system,and the natural refrigerants as a substitute can also be concerned,further studies for the compressor inverter technology and other aspects of CO2compressors＇ performance.

关 键 词：超低温 制冷系统 制冷剂 替代 压缩机 

分 类 号：TB657[一般工业技术—制冷工程]