单机双级滚动活塞压缩机热泵系统的性能特性

doi:10.3969/j.issn.0438-1157.2013.10.015

化工学报 ›› 2013, Vol. 64 ›› Issue (10): 3599-3605.DOI: 10.3969/j.issn.0438-1157.2013.10.015

单机双级滚动活塞压缩机热泵系统的性能特性

刘琦, 马国远, 许树学

北京工业大学环境与能源工程学院, 北京 100124

收稿日期:2013-02-22 修回日期:2013-06-18 出版日期:2013-10-05 发布日期:2013-10-05
通讯作者: 许树学
作者简介:刘琦(1988-),女,硕士研究生。
基金资助:
国家自然科学基金项目(51076003)

Performance characteristics of two-stage compression heat pump system coupled with dual-cylinder rolling piston compressor

LIU Qi, MA Guoyuan, XU Shuxue

School of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China

Received:2013-02-22 Revised:2013-06-18 Online:2013-10-05 Published:2013-10-05
Supported by:
supported by the National Natural Science Founding of China(51076003).

摘要/Abstract

摘要： 将R410A为工质的单机双级滚动活塞压缩机闪发器系统用于房间空调器,能有效地降低排气温度、提升制冷/制热能力,具有显著的节能效果。通过对单机双级滚动活塞压缩机闪发器热泵系统的分析计算,得出压缩机适宜的高低压腔容积比为4/5。对研制出的样机进行了实验研究,结果表明,在蒸发温度为5℃,冷凝温度为35～45℃的工况下,制冷COP_r最高可达3.81,排气温度低于91℃;蒸发温度为-5～-10℃,冷凝温度为40℃时,制热COP_h最高可达3.38,排气温度低于111℃。

关键词: 滚动活塞压缩机, R410A, 单机双级压缩, 容积比, 性能系数

Abstract: When the two-stage compression cycle coupled with dual-cylinder rolling piston compressor is used in the room air conditioner with the refrigerant of R410A,its heating/cooling capacity can be remarkably improved and the discharge temperature can be reduced.By analyzing thermodynamically the two-stage compression heat pump system coupled with dual-cylinder rolling piston compressor,simulated calculation indicated that the favorable volume ratio of higher-pressure chamber to lower pressure one was 4/5.The experiments for the developed prototype were conducted.The experimental results showed that the coefficient of performance(COP)for cooling conditions could go up to 3.81 and discharge temperature was lower than 91℃ when evaporating temperature kept 5℃ and condensing temperature varied from 35℃ to 45℃,and COP for heating conditions could rise up to 3.38 and discharge temperature was lower than 111℃ when condensing temperature was 40℃ and evaporating temperature varied from -5℃ to -10℃.COP could be improved by 6.8%—15.4% when compared with one-stage compression cycle.

Key words: rolling piston compressor, R410A, two-stage compression, volume ratio, coefficient of performance

中图分类号:

TB61⁺5

刘琦, 马国远, 许树学. 单机双级滚动活塞压缩机热泵系统的性能特性[J]. 化工学报, 2013, 64(10): 3599-3605.

LIU Qi, MA Guoyuan, XU Shuxue. Performance characteristics of two-stage compression heat pump system coupled with dual-cylinder rolling piston compressor[J]. CIESC Journal, 2013, 64(10): 3599-3605.

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单机双级滚动活塞压缩机热泵系统的性能特性

Performance characteristics of two-stage compression heat pump system coupled with dual-cylinder rolling piston compressor

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