准二级低温热泵机组与普通热泵机组的性能比较
Performance Comparison between Quasi-Secondary Compression Heat Pump System and Single Stage Compression Heat Pump System
DOI: 10.12677/HJCE.2019.83085, PDF,    科研立项经费支持
作者: 司来胜, 倪美琴, 常静毅, 苏玉翠, 吴文婧：扬州大学，水利与能源动力工程学院，江苏 扬州
关键词: 空气源热泵；低温特性；单级压缩；准二级压缩；Air Source Heat Pump； Low Temperature Characteristics； Single Stage Compression； Quasi-Secondary Compression
摘要: 空气源热泵以空气作为低位热源，具有取热方便、节能、环保等优点。但是空气源热泵在北方地区应用时存在低温下供热性能下降等问题。本文主要阐述了空气源热泵的低温运行特性以及准二级压缩技术，对比准二级压缩式热泵系统与单级压缩式热泵系统在冬季的供热性能。结果表明，在环境温度低于−4.78℃时，准二级压缩式热泵系统的性能优于单级压缩式热泵系统。
Abstract: The air source heat pump uses air as a low-level heat source, which has the advantages of conven-ient heat extraction, energy saving and environmental protection. However, when the air source heat pump is applied in the northern region, there are problems such as a decrease in heating performance at a low temperature. This paper mainly describes the low temperature characteris-tics of air source heat pump and quasi-secondary compression technology, and compares the heating performance of quasi-secondary compression heat pump system and single stage com-pression heat pump system in winter. The results show that the performance of the qua-si-secondary compression heat pump system is better than that of the single-stage compression heat pump system when the ambient temperature is lower than −4.78˚C.
文章引用：司来胜, 倪美琴, 常静毅, 苏玉翠, 吴文婧. 准二级低温热泵机组与普通热泵机组的性能比较[J]. 土木工程, 2019, 8(3): 728-734. https://doi.org/10.12677/HJCE.2019.83085

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