碳纤维增强脱硫灰基保温干混砂浆的性能试验研究  

Experimental Research on Proper ties of Carbon Fiber Reinforced Polymer Desulfurization Ash-based Thermal Insulation Dry-mixed Mortar

作　　者：王朝强 梅绪东[1] 熊德明 何敏 张春 张思兰 王丹 Wang Chaoqiang;Mei Xudong;Xiong Deming;He Ming;Zhang Chun;Zhang Silan;Wang Dan(Chongqing Environmental Protection Center for Shale Gas Technology & Development, ChongqingEnvironmental Protection Engineering Technology Center for Shale Gas Development, Chongqing, China;School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang,Sichuan, China)

机构地区：[1]重庆市涪陵页岩气环保研发与技术服务中心重庆市页岩气开发环境保护工程技术研究中心,重庆408000 [2]西南科技大学材料科学与工程学院,四川绵阳621010

出　　处：《矿产综合利用》2019年第2期98-102,共5页Multipurpose Utilization of Mineral Resources

基　　金：重庆市科委项目(cstc2017shmsA90012)

摘　　要：利用流化床脱硫灰作为部分胶凝材料,外掺轻质骨料漂珠,制备出了脱硫灰基轻质保温型干混砂浆,本论文研究了脱硫灰、漂珠掺量等与砂浆性能之间的关系。并优化体系较佳配比。结果表明,水灰比为0.53、内掺30%脱硫灰、外掺15%生石灰、轻质骨料漂珠替代河砂24%、胶砂比为1:1.7后的干混砂浆保温性能优良,容重轻质,28 d抗压强度为23.1 MPa,且砂浆保水率、2 h稠度损失率与凝结时间分别为98.7%、7.6%和5.7 h,各项性能均满足GB/T 25181-2010中的标准要求。Desulfurization ash-based thermal insulation dry-mixed mortar with cement was prepared with desulfurization ash replacing some cementitious materials, and with the addition of light aggregate drift beads. The performance relationship between the amount of desulfurization ash and floating bead on the mortar were researched, and the optimal proportion also been reached in optimized. The results showed that water to cement ratio of 0.53, desulfurization ash replacing of 30% cement,15% quicklime, floating bead replacing of 16% sand, binder-sand ratio of 1:1.7. Performances of thermal insulation owing to its excellent,low density, and compressive strength of 28 d up to 23.1 MPa, water-retention rate, consistency loss rate of2 h and setting time were 98.7%,7.6% and 5.7 h, respectively, which satisfied specific requirements of GB/T25181-2010.

关 键 词：水泥 脱硫灰 漂珠 干混砂浆 

分 类 号：TD989[矿业工程—选矿]