New Molten Salt Heat Transfer Fluid for Solar Thermal Power Plant

被引：0
|
作者：
Peng, Qiang [1 ]
Yang, Xiaoxi [1 ]
Wei, Xiaolan [1 ]
Yang, Jianping [1 ]
Ding, Jing [2 ]
Lu, Jianfeng [2 ]
机构：
[1] S China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510641, Guangdong, Peoples R China
[2] Sun Yat Sen Univ, Sch Engn, Guangzhou 510275, Guangdong, Peoples R China
来源：
2013 INTERNATIONAL CONFERENCE ON MATERIALS FOR RENEWABLE ENERGY AND ENVIRONMENT (ICMREE), VOLS 1-3 | 2013年
关键词：
molten nitrate salt; chloride; eutectic mixture; phase diagram calculation; conformal ionic solution (CIS) theory; solar thermal power; PHASE-DIAGRAMS; TOPOLOGY; SYSTEMS;
D O I：
暂无
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：
In order to remove the oxidation of nitrite salt and reduce the cost of lithium nitrate relative to previously available materials, new molten salt heat transfer fluid (KCl-KNO3-NaNO3) is prepared by static fusion method. Eutectic point and component of molten salt are determined firstly from phase diagram that is calculated by using conformal ionic solution (CIS) theory. Then thermal stability of this mixture is investigated by thermogravimetric analysis (DSC-TGA) device. Experimental results show the agreement between measurements and calculations is found to be very good. This kind of molten salt has a lower melting point (210 degrees C), compared to Solar Salt (220 degrees C). It is thermally stable at temperatures up to 500 degrees C, and may be used up to 550 degrees C for short periods. So that was suitable for heat transfer and thermal storage medium.
引用
收藏
页码：496 / 499
页数：4
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