磷渣-磷尾矿制备硅酸钙板的研究  

Study of Calcium Silicate Board Prepared by Phosphorus Slag-phosphorus Tailings

作　　者：梁兴荣 薛俊[2] 曹宏[2] 

机构地区：[1]甘肃省建材科研设计院,兰州730020 [2]武汉工程大学材料科学与工程学院,430074

出　　处：《混凝土与水泥制品》2016年第3期87-90,共4页China Concrete and Cement Products

基　　金：国家科技支撑计划项目(2013BAB07B05)

摘　　要：通过对比不同粒度磷渣作为胶凝材料的火山灰活性、磷尾矿作为惰性填料和将磷尾矿处理后物料制备硅酸钙板制品,结果表明,S95级磷渣28d火山灰活性指数>90%;磷尾矿作为惰性填料制备出的制品抗折强度<6MPa且尾矿的掺量<10%;磷尾矿处理后物料制备出制品抗折强度>9MPa且配比中废弃物的掺量>40%,制品抗折强度随着保温时间延长逐渐降低,最佳保温时间为6h。Preparation calcium silicate board by using solid waste from phosphorus chemical industry, the volcanic activity of different particle size of phosphorus slag as cementitious material is compared, phosphorus tailings as inert fillers and calcium silicate board is prepared by materials after phosphorus tailings had processed. The results show that,level S95 phosphorus slag of 28 d volcanic activity index is more than 90%; flexural strength of the product which is prepared by phosphorus tailings as inert filler is less than 6MPa and the tailings content is less than 10%; flexural strength of the product which is prepared after phosphorus tailings had processed is more than 9MPa and the tailings content is more than 40%, the flexural strength of the products is gradually decreased with the prolonging of holding time, the optimal holding time is 6h.

关 键 词：磷渣 磷尾矿 硅酸钙板 抗折强度 

分 类 号：TU522[建筑科学—建筑技术科学]