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[1]季家友,祝云,徐慢*,等.磷石膏保温砂浆的制备[J].武汉工程大学学报,2014,(04):39-44.[doi:103969/jissn16742869201404009]
　JI Jia you,ZHU Yun,XU Man,et al.Preparation and characterization of phosphogypsum thermal insulation mortar[J].Journal of Wuhan Institute of Technology,2014,(04):39-44.[doi:103969/jissn16742869201404009]
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2014年04期
页码:
39-44
栏目:
材料科学与工程
出版日期:
2014-04-30

文章信息/Info

Title:
Preparation and characterization of phosphogypsum thermal insulation mortar
文章编号:
16742869(2014)04003906
作者:
季家友; 祝云; 徐慢*; 梁兴荣; 王亮; 曹宏; 黄志杰
武汉工程大学材料科学与工程学院，湖北 武汉 430074
Author(s):
JI Jiayou; ZHU Yun; XU Man; LIANG Xingrong; WANG Liang; CAO Hong; HUANG Zhijie
School of Material Science and engineering，Wuhan Institute of Technology,Wuhan 430074,China
关键词:
磷石膏; 高强石膏; 抗压强度; 导热系数; 无机保温砂浆
Keywords:
phosphorus gypsum; highstrength gypsum; the compressive strength; coefficient of thermal conductivity; inorganic insulation mortar
分类号:
TU57+8.13
DOI:
103969/jissn16742869201404009
文献标志码:
A
摘要:
为实现工业废渣磷石膏的再利用，将其预处理、煅烧(蒸压)制得建筑（高强）石膏，然后与水泥、硅灰一起作为胶凝材料，配合玻化微珠轻质骨料制备半水石膏基无机保温砂浆；以生石灰作为碱性激发剂，通过单因素实验，比较分析磷石膏含量、硅灰含量、骨胶比以及磷石膏处理工艺对砂浆抗压强度、导热系数、吸声等性能的影响.结果表明：经处理过的磷石膏（半水石膏）可直接作为胶凝材料使用，配制的保温砂浆最佳配合比（质量比）为磷石膏/水泥=0.80，骨胶质量比为1∶1，硅灰占胶凝材料总量的20%；砂浆的导热系数≤0.054 W/(m·k)，干表面密度≤0.35 g/cm3，抗压强度＞0.3 MPa，达到了国家标准保温砂浆性能要求.
Abstract:
To utilize phosphogypsum industrial waste residue,the highstrength building gypsum prepared by pretreatment and calcination（autoclave）was used for cementitious materials with cement and silica fume.This cementitious materials with glazed hollow bead were used for preparing inorganic thermal mortar,while quick lime was alkaliactivator.The effects of content of phosphorus gypsum and silica fume,boneglue ratio and preprocessed technology of phosphogypsum on compressive strength,thermal conductivity,sound absorption coefficient of thermal mortar were analyzed by single factor experiment.The results show that the phosphogypsum after pretreatment can be used as cementitious materials directly;the optimum proportion of thermal mortar is phosphogypsum/cement=0.80,aggregate/cementing material=1,and silica fume/cementitious materials=0.20.Under this condition,the thermal conductivity and the dry apparent density of thermal mortar are less than 0.054 W/(m·k) and 0.35 g/cm3 respectively,and the compressive strength is more than 0.3 MPa,which meets government standard of thermal mortar.

参考文献/References:

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备注/Memo

备注/Memo:
季家友（1983），男，山东日照人，博士研究生.研究方向：节能新材料、环保新材料的开发与研究.*通信作者：徐慢（1964），男，湖北浠水人，研究员，博士研究生导师.研究方向：节能新材料、环保新材料的开发与研究.
更新日期/Last Update: 2014-05-15