环境温湿度对冷藏陈列柜空气预冷器性能的影响  

Effect of AmbientTemperature and Humidity on Performance of Pre-cooler in Display Cabinet

作　　者：张文慧[1] 龚毅[1] 吕彦力[1] 

机构地区：[1]郑州轻工业学院,郑州450002

出　　处：《制冷学报》2008年第6期57-60,共4页Journal of Refrigeration

基　　金：河南省科技厅科技攻关项目(No.423022100)资助~~

摘　　要：中温立式多搁架冷藏陈列柜为研究对象,增加过热器作为空气预冷器对原有陈列柜进行改造。通过试验研究,分析了环境温湿度对冷藏陈列柜空气预冷器性能的影响。试验结果表明:保持环境温度不变时(25℃),减湿预冷器的使用在相对湿度较大时效果较好,当相对湿度降至40%以下时,除湿预冷器的除湿效果就不太明显;若保持相对湿度不变(60%),空气预冷器的效果没有明显的变化。A superheat exchanger was designed as the pre-cooler of the return air in a mid-temperature multi-shelf vertical display cabinet. The experiment investigation was performed to determine the effect of ambient temperature and humidity on the performance of the pre-cooler in display cabinets. The results show that the dehumidification capability of the pre-cooler was higher when the relative humidity was greater than 40% while lower when the relative humidity was smaller than 40% at the ambient temperature of 25 ℃. However, at the ambient relative humidity of 60%, the temperature influenced the pre-cooler performance slightly.

关 键 词：热工学 食品冷藏技术 陈列柜 空气预冷器 温湿度 

分 类 号：TB657[一般工业技术—制冷工程]