太阳能-热泵联合茶叶烘焙装置的创新设计与实验研究
收稿日期: 2016-09-22
修回日期: 2016-12-13
网络出版日期: 2017-02-28
基金资助
广东省产学研合作项目(2013B091500059)
Experimental Study on an Innovative Hybrid Solar Heat Pump System for Tea Drying
Received date: 2016-09-22
Revised date: 2016-12-13
Online published: 2017-02-28
姚 远 , 廉永旺 , 王显龙 , 陈 颖 . 太阳能-热泵联合茶叶烘焙装置的创新设计与实验研究[J]. 新能源进展, 2017 , 5(1) : 47 -55 . DOI: 10.3969/j.issn.2095-560X.2017.01.007
An innovative hybrid solar heat pump drying system is presented in this paper. For the dual loop solar water subsystem, the parabolic trough solar collectors with optimized structure was employed. For heat pump subsystem, a new type of heat pump working fluid was used, which can produce hot air of 85oC to 90oC. This system can realize three kinds of working modes, including solar energy alone drying, heat pump alone drying and hybrid solar heat pump drying. An experimental study on the three working modes was carried out, respectively. The results show that under the same conditions, the power consumption for solar alone drying mode is the lowest, while the energy consumption for heat pump alone drying mode and hybrid mode is almost the same. Solar drying alone working mode can save more than 50% energy than the other two modes.
Key words: solar collector; heat pump; drying; energy conservation
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