Experimental study of natural brine solar ponds in Tibet

被引:96
作者
Nie, Zhen [1 ,2 ,3 ]
Bu, Lingzhong [1 ,2 ,3 ]
Zheng, Mianping [1 ,2 ,3 ]
Huang, Weinong [4 ]
机构
[1] Chinese Acad Geol Sci, Inst Mineral Resources, Beijing 100037, Peoples R China
[2] Minist Land & Resources, Key Lab Saline Lake Resources & Environm, Beijing 100037, Peoples R China
[3] Chinese Acad Geol Sci, R&D Ctr Saline Lakes & Epithermal Deposits, Beijing 100037, Peoples R China
[4] Tibet Zabuye High Tech Lithium Ind Co Ltd, Lhasa 850000, Peoples R China
关键词
Salinity gradient solar pond; Natural brine; Lithium carbonate; Tibet plateau; Zabuye salt lake; CONSTRUCTION;
D O I
10.1016/j.solener.2011.04.011
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
A salinity gradient solar pond (SGSP) is a simple and effective way of capturing and storing solar energy. The Qinghai-Tibet Plateau has very good solar energy resources and very rich salt lake brine resources. It lacks energy for its mineral processes and is therefore an ideal location for the development and operation of solar ponds. In China, solar ponds have been widely applied for aquaculture, in the production of Glauber's salt and in the production of lithium carbonate from salt lake. As part of an experimental study, a SGSP using the natural brine of Zabuye salt lake in the Tibet plateau has been constructed. The pond has an area of 2500 m(2) and is 1.9 m deep. The solar pond started operation in spring when the ambient temperature was very low and has operated steadily for 105 days, with the LCZ temperature varying between 20 and 40 degrees C. During the experimental study, the lower convective zone (LCZ) of the pond reached a maximum temperature of 39.1 degrees C. The results show that solar ponds can be operated successfully at the Qinghai-Tibet plateau and can be applied to the production of minerals. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1537 / 1542
页数:6
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