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Position: Home > Articles > Experiment on Hybrid Solar Drying System Assisted by Heat Pump for Grain In-store Drying Transactions of the Chinese Society for Agricultural Machinery 2010,41 (7) 109-113

太阳能辅助热泵综合就仓干燥系统实验研究

作  者:
李海峰;李勇;代彦军;高素芬;魏雷;李宗良
单  位:
中央储备量昆明直属库;上海交通大学制冷与低温工程研究所;中国储备粮管理总公司;河南未来机电工程有限公司
关键词:
太阳能;热泵;就仓干燥;实验
摘  要:
设计了一种由太阳能空气集热器、热泵和翻粮机组成的太阳能辅助热泵就仓干燥系统,用于粮食就仓干燥。对系统进行了实验研究,研究结果表明,太阳能空气集热器平均热效率达到63%,热泵性能系数达到5.4,联合系统能够提供充足、稳定的热量,并且干燥效果明显、干燥时间短、耗电量小、干燥均匀性好。应用该系统可安全、节能、有效地降低仓储玉米含水率。
译  名:
Experiment on Hybrid Solar Drying System Assisted by Heat Pump for Grain In-store Drying
作  者:
Li Haifeng1 Li Yong1 Dai Yanjun1 Gao Sufen2 Wei Lei3 Li Zongliang4(1.Institute of Refrigeration and Cryogenics,Shanghai Jiao Tong University,Shanghai 200240,China2.China Grain Reserves Corporation,Beijing 100044,China 3.Henan Weilai Machines Engineering Co.,Ltd.,Zhengzhou 450001,China 4.State Grain Reserves Kunming Depot,Kunming 650100,China)
关键词:
Solar energy,Heat pump,In-store drying,Experiment
摘  要:
A hybrid solar drying system assisted by heat pump for grain in-store drying was developed.The system is composed of solar air collector,heat pump and stir machine for grain.The experimental study was conducted for maize drying.The results indicated that average thermal efficiency of the air collector is up to 63% and COP of the heat pump can reach 5.4.The combined system can supply adequate and stable thermal energy.The effect of drying is obvious.Drying time is reduced and energy consumption is low.Besides,the uniformity of moist content is improved.Utilized for maize in-store drying,the system can reduce the moisture content of maize in the granary with the characteristics of safety,energy saving and better effect.

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