CO_2食品冷冻冷藏制冷系统的性能分析  

Performance analysis of CO_2 refrigeration system for food frozen storage

作　　者：宁静红[1] 李慧宇[1] 彭苗[1] 

机构地区：[1]天津商业大学天津市制冷技术重点实验室

出　　处：《制冷与空调》2011年第5期118-121,共4页Refrigeration and Air-Conditioning

摘　　要：对用于食品冷冻冷藏的几种不同形式的CO2跨临界双级压缩制冷循环进行热力计算,通过性能分析对比得出,采用两级节流中间完全冷却的CO2跨临界制冷循环,系统的能耗小、运行性能好、初投资少。Introduces the thermodynamics calculation of different type refrigeration cycle of CO2 trans-critical two-stage compression for food frozen storage.By analyzing and comparing their performance,concludes that the CO2 trans-critical refrigeration cycle of two-stage throttle and complete cooling in middle has lower energy consumption,better running performance and lower initial investment.

关 键 词：CO2 跨临界 双级压缩 冷冻冷藏 

分 类 号：TB657.1[一般工业技术—制冷工程]