二元混合熔盐的制备及热物性研究

李鹏; 李彦; 朱群志

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DOI:10.3969/j.issn.1006-4729.2016.02.005

Journal of ShangHai University of Electric Power :2016,32(2):125-128

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二元混合熔盐的制备及热物性研究

李鹏, 李彦, 朱群志

(上海电力学院能源与机械工程学院)

Preparation and Thermal Properties of Binary Mixed Molten Salts

LI Peng, LI Yan, ZHU Qunzhi

(School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China)

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Received:October 28, 2015

中文摘要: 采用静态混合熔融法制备了多组LiNO₃-KNO₃不同比例的二元混合熔盐,通过X射线衍射仪(XRD)、TG/DSC同步热分析仪分别对其组成和热物性进行表征.实验结果表明,5:5组混合熔盐的熔点最低,为129.6 ℃;4:6组混合熔盐的相变潜热值最高,为170.2 J/g;6:4组仍有部分过剩的LiNO₃不能参与共熔.

中文关键词: 熔盐熔点相变潜热

Abstract:Multiple sets of LiNO₃-KNO₃ different proportions of binary mixed molten salts are prepared by static mixed melting method,and their compositions and thermal properties are characterized by XRD (X-ray diffraction),TGA/DSC thermal analyzer respectively.The melting point of 5:5 group of mixed molten salt is 129.6 ℃,which is the mimimum in all groups;4:6 group of mixed molten salt has the highest value of phase change latent heat;it is 170.2 J/g;and there are still some excess LiNO₃ which cannot participate in eutectic in 6:4 group.

keywords: molten salt melting point phase change latent heat

文章编号：20160205 中图分类号： 文献标志码：

基金项目:上海发电环保工程技术研究中心项目(11dz2281700);上海市科学技术委员会部分地方院校能力建设项目(13160501000).

Author Name	Affiliation	E-mail
LI Peng	School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China
LI Yan	School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China	yli@shiep.edu.cn
ZHU Qunzhi	School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China

Author Name	Affiliation	E-mail
LI Peng	School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China
LI Yan	School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China	yli@shiep.edu.cn
ZHU Qunzhi	School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China

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