Fabrication and Thermal Properties of a New Heat Storage Concrete Material

武汉理工大学学报-材料科学版(英文版), 2010, 25(4): 628-630. doi: 10.1007/s11595-010-0058-3

^1, , ^2, , ^3, , ^4,

1.School of Materials Science and Engineering,Wuhan University of Technology,Wuhan 430070,China;The Cement Plant of Gezhou Ba,Jingmen 448032,China

2.School of Materials Science and Engineering,Wuhan University of Technology,Wuhan 430070,China

3.School of Materials Science and Engineering,Wuhan University of Technology,Wuhan 430070,China

4.School of Materials Science and Engineering,Wuhan University of Technology,Wuhan 430070,China

基金项目: the National '863' Program(2007AA05Z459) the National '973' Program(2010CB227105)

Fabrication and Thermal Properties of a New Heat Storage Concrete Material

GUO Chengzhou ^1, , ZHU Jiaoqun ^2, , ZHOU Weibing ^3, , CHEN Wen ^4,

1.School of Materials Science and Engineering,Wuhan University of Technology,Wuhan 430070,China;The Cement Plant of Gezhou Ba,Jingmen 448032,China

2.School of Materials Science and Engineering,Wuhan University of Technology,Wuhan 430070,China

3.School of Materials Science and Engineering,Wuhan University of Technology,Wuhan 430070,China

4.School of Materials Science and Engineering,Wuhan University of Technology,Wuhan 430070,China

Keywords： solar thermal power

A new type heat storage concrete material used in solar thermal power was fabricated by using aluminates cement to be the gelatinizer,and using high heat capacity materials,such as basalt and bauxite,as aggregate,and adding high heat conductivity graphite and high efficient water reducing agent.The experimental results show the addition of graphite can improve the thermal conductivity of the concrete,the value of thermal conductivity is about 2.34 W/mK which means the obtained concrete storage material has excellent thermal properties,and it is expected to be a good heat storage material used in solar power.

参考文献

[1]	Ulf Herrmann;David W. Kearney .Survey of Thermal Energy Storage for Parabolic Trough Power Plants[J].Journal of Solar Energy Engineering,2002(2):145-152.
[2]	Rainer Tamme;Doerte Laing;Wolf-Dieter Steinmann .Advanced Thermal Energy Storage Technology for Parabolic Trough[J].Journal of Solar Energy Engineering,2004(2):794-800.
[3]	Doerte Laing;Wolf-Dieter Steinmann;Rainer Tamme;Christoph Richter .Solid media thermal storage for parabolic trough power plants[J].Solar Energy,2006(10):1283-1289.

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