太阳能光热发电系统蓄热混凝土的制备与性能  

Preparation and Properties of Thermal Storage Concrete of Solar Thermal Power System

作　　者：吕林女[1,2] 吴锡[2,3] 何永佳[2,3] 平兵 胡曙光[2,3] 

机构地区：[1]武汉理工大学理学院,武汉430070 [2]武汉理工大学硅酸盐建筑材料国家重点实验室,武汉430070 [3]武汉理工大学材料科学与工程学院,武汉430070

出　　处：《武汉理工大学学报》2014年第11期1-5,共5页Journal of Wuhan University of Technology

基　　金：国家自然科学基金(51372183);国家科技支撑计划项目(2012BAC15B04);中央高校基本科研业务费专项(2013-Ⅳ-015)

摘　　要：蓄热混凝土是太阳能热电站蓄热单元常用材料,研究了掺入磨细矿渣粉、聚丙烯腈有机纤维以及石墨集料等对蓄热混凝土物理力学性能、耐热性能和导热系数等的影响;结果表明磨细矿渣粉和石墨集料的掺入可有效提高混凝土的耐热性能,通过扫描电子显微镜(SEM)等测试手段从微观角度分析了其内在机理;同时,石墨集料还显著提高了混凝土导热系数。Thermal storage concrete is commonly used in solar thermal power station as the thermal storage unit. In this paper, the effects of ground granulated blast furnace slag （GCJBFS）, polyacrylonitrile fiber and graphite aggregate on the mechanical performance, heat resistance and thermal conductivity of thermal storage concrete were investigated in de- tail. The experimental results show that the addition of GGBFS and graphite aggregate can effectively improve the heat resistance of concrete, the images taken by scanning electron microscopy were used to explain the mechanism. At the same time, andgraphite aggregate can also improve the thermal conductivity of concrete.

关 键 词：太阳能 光热发电 蓄热混凝土 耐热性能 

分 类 号：TM615[电气工程—电力系统及自动化]