A solar assisted heat pump drying system for grain in-store drying

被引：19

作者：

Li H. ^{[1
]}

Dai Y. ^{[1
]}

Dai J. ^{[1
]}

Wang X. ^{[2
]}

Wei L. ^{[3
]}

机构：

[1] Institute of Refrigeration and Cryogenics, Shanghai Jiao Tong University

[2] China Grain Reserves Corporation

[3] Henan Weilai Machine Engineering, Co., LTD

来源：

Frontiers of Energy and Power Engineering in China | 2010年 / 4卷 / 3期

关键词：

airflow; heat pump; in-store drying; solar energy;

D O I：

10.1007/s11708-010-0003-3

中图分类号：

学科分类号：

摘要：

For grain in-store drying, a solar assisted drying process has been developed, which consists of a set including a solar-assisted heat pump, a ventilation system, a grain stirrer, etc. In this way, low power consumption, short cycle time and water content uniformity can be achieved in comparison with the conventional method. A solar-assisted heat pump drying system has been designed and manufactured for a practical granary, and the energy consumption performance of the unit is analyzed. The analysis result shows that the solar fraction of the unit is higher than 20%, the coefficient of performance about system (COPS) is 5.19, and the specific moisture extraction rate (SMER) can reach 3.05 kg/kWh. © 2010 Higher Education Press and Springer Berlin Heidelberg.

引用

页码：386 / 391

页数：5

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