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Experimental research on a feasible rice husk/geopolymer foam building insulation material

机译：一种可行的稻壳/地缘泡沫建筑绝缘材料的实验研究

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摘要

Bio-insulation materials have attracted increasing attention in building energy saving field, for they have low thermal conductivity, renewable and environmental friendly characters. The authors carried out experimental research on a novel bio-insulation, which was prepared by using rice husk and metakaolin as raw materials, hydrogen peroxide as foaming agent. This study discussed the effect of rice husk/-geopolymer mass ratio (R/S), foaming agent/geopolymer mass ratio (F/S) and prewetting water/rice husk mass ratio (Wp/R) on the density, thermal conductivity, high temperature resistance, compressive strength, and water and moisture absorption properties. The experimental results showed that the density of the rice husk/geopolymer foam composite ranges from 174 to 813 kg/m(3), and the thermal conductivity ranges from 0.082 to 0.184 W/(m.K) with the compressive strength varying from 0.26 to 7.24 MPa. In addition, the water and moisture absorption rates are in the range of 28.3-93.6% and 9.7-18.6%, respectively. The new composite showed a satisfying performance and can be used in buildings to realize energy saving. (C) 2020 Published by Elsevier B.V.
机译：生物绝缘材料在建筑节能场中引起了越来越长的关注，因为它们具有低导热系数，可再生和环保性质。作者对新型生物绝缘进行了实验研究，该研究是通过使用稻壳和甲状腺素作为原料，过氧化氢作为发泡剂制备的。本研究讨论了稻壳/ -Geoly聚合物质量比（R / S），发泡剂/地质聚合物质量比（F / S）和预热水/稻壳质量比（WP / R）对密度，导热系数，耐高温，抗压强度和水和吸湿性。实验结果表明，稻壳/地质泡沫复合材料的密度为174至813 kg / m（3），导热率范围为0.082至0.184 w /（mk），压缩强度从0.26到7.24变化MPA。此外，水和吸湿率分别为28.3-93.6％和9.7-18.6％。新型复合材料表现出满意的性能，可用于建筑物以实现节能。 （c）2020由elsevier b.v发布。

著录项

  • 来源
    《Energy and Buildings》 |2020年第11期|110358.1-110358.12|共12页
  • 作者

    Wang Shuang; Li Hongqiang; Zou Si; Zhang Guoqiang;

  • 作者单位

    Hunan Univ Coll Civil Engn Changsha 410082 Hunan Peoples R China;

    Hunan Univ Coll Civil Engn Changsha 410082 Hunan Peoples R China|Hunan Univ Natl Ctr Int Res Collaborat Bldg Safety & Environ Changsha 410082 Hunan Peoples R China|Hunan Univ Minist Educ Key Lab Bldg Safety & Energy Efficiency Changsha 410082 Hunan Peoples R China;

    Hunan Univ Coll Civil Engn Changsha 410082 Hunan Peoples R China;

    Hunan Univ Coll Civil Engn Changsha 410082 Hunan Peoples R China|Hunan Univ Natl Ctr Int Res Collaborat Bldg Safety & Environ Changsha 410082 Hunan Peoples R China|Hunan Univ Minist Educ Key Lab Bldg Safety & Energy Efficiency Changsha 410082 Hunan Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Rice husk; Geopolymer foam; Insulation material; Prefabricated building; Bio-insulation; Fire resistance;

    机译：稻壳;地缘聚合物泡沫;绝缘材料;预制建筑;生物绝缘;耐火;

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