【中文摘要】 本文介绍了大、中型超市的制冷需求和超市制冷中制冷剂的应用现状,回顾了CO2的特性,总结和分析了CO2用于大、中型超市的制冷系统的基本方式。在文献的基础上,本文对CO2在国内外大、中型超市制冷系统的应用现状作了分析,最后对CO2在大、中型超市制冷上的应用作了展望。

【英文摘要】 In this paper,the refrigeration requirements in Large/Medium size supermarkets are presented and the application status of refrigerants in Large/Medium size supermarkets' refrigeration systems is introduced.Also,the properties of CO2 are reviewed,and basic types of CO2 refrigeration systems in Large/Medium size supermarkets are summarized and analyzed.Based on literatures,the application status of CO2 refrigeration systems in worldwide supermarkets is summarized.Also the prospect of CO2 in the refrigeration systems of Large/Medium size supermarkets is discussed at the end of this paper.

【中文关键词】 CO2-二氧化碳; 制冷; 超市

【英文关键词】 CO2-carbon dioxide; refrigeration; supermarket