| CO_2低温冷冻冷藏系统的节能分析 |
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| 引用本文： | 卢允庄 王岱,李郁 郭汉玉. CO_2低温冷冻冷藏系统的节能分析[J]. 制冷与空调(北京), 2012, 0(5): 23-27 |
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| 作者姓名： | 卢允庄 王岱 李郁 郭汉玉 |
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| 作者单位： | 大连冷冻机股份有限公司 |
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| 摘 要： | 二氧化碳既可以作为制冷剂,也可以作为载冷剂应用于低温冷冻冷藏工程,这对解决制冷剂替代问题和节能减排都很有意义。本文比较常规载冷剂系统、二氧化碳载冷剂系统和二氧化碳/氨复叠制冷系统的特点和运行能耗。结果表明,二氧化碳制冷剂和载冷剂系统具有制冷机组性能系数高、循环泵耗功小、管路和设备保温散热少及空气冷却器霜层较薄等特点。
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| 关 键 词： | 制冷剂 二氧化碳 载冷剂 复叠式制冷 低温冷冻冷藏 |
Energy-saving analysis of CO_2 low temperature freeze and cold storage system |
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| Affiliation: | Lu Yunzhuang) Wang Dai) Li Yu) Guo Hanyu) )(Dalian Refrigeration Co.,Ltd.) 2)(Dalian University of Technology) |
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| Abstract: | Application of carbon dioxide as refrigerant or secondary refrigerant for low temperature freeze and cold storage system is essential either for refrigerant replacement or for energy-saving.Characteristics and operation energy consumption of conventional secondary refrigerant system,CO2 secondary refrigerant system and CO2/NH3 cascade refrigeration system are compared.The advantages of CO2 are not only safe and environmental protection but also obvious energy-saving for higher coefficient of performance,lower power consumption of circulation pump,less heat insulation of piping and equipment and thinner layer of air cooler frost. |
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| Keywords: | refrigerant CO2 secondary refrigerant cascade refrigeration low temperature freeze and cold storage |
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