CO_2/R290制冷热泵双效系统的性能优化  

Optimization on Performance of CO_2/R290 Two-Effect System for Refrigeration and Heating Pump

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：《上海节能》2010年第10期29-35,共7页Shanghai Energy Saving

摘　　要：介绍了CO2高温循环和R290低温循环带经济器和内部热交换器的CO2/R290复叠式制冷热泵双效循环系统,通过热力计算和分析比较得出,CO2高温循环和R290低温循环均带经济器的CO2/R290复叠式循环的性能好、耗材少、投资小。This paper introduces the cascaded CO2/R290 two-effect system for refrigeration and heating pump that uses CO2 as refrigerants for high temperature cycle and R290 as refrigerants for low temperature cycle, the result is obtained by calculating, analyzing and comparing, that the cascaded CO2/R290 with economical heat exchanger in CO2 cycle and in R290 cycle has better performance, smaller material and less cost than the cascaded CO2/R290 with internal heat exchanger in CO2 cycle and in R290 cycle.

关 键 词：CO2/R290 制冷 热泵 性能 

分 类 号：TB657[一般工业技术—制冷工程]