利用工业碱渣制备便道砖的研究  

Preparation of Pavement Brick from Soda Residue

作　　者：刘大成[1] 刘艳娟[1] 王仲军[1] 葛伟青[1] 李悦[1] 王亚飞[1] 

机构地区：[1]唐山学院环境与化学工程系,河北唐山063000

出　　处：《陶瓷学报》2014年第6期629-633,共5页Journal of Ceramics

基　　金：唐山市科技局项目(编号:13130222A)

摘　　要：利用氨碱法生产纯碱产生的废弃物-碱渣为主要原料制备便道砖。研究表明:碱渣直接用于制备便道砖方案不可行,需对碱渣进行预处理;由碱渣、粘土和结合剂FM混合经700℃预处理,制成碱渣-粘土-FM复合料;复合料再与石粉、石渣、水泥等按复合料80%、石粉15%、石渣5%,水泥外加10%的配比,制得的便道砖7天强度为14.84 MPa,28天强度可达24.36 MPa。Pavement bricks were prepared using soda residue from soda ash production by ammonia-soda process. The results showed that the idea of preparing pavement bricks with untreated soda residue directly was impracticable. A composite material could be prepared after pre-heating soda residue, clay and FM binder at 700 °C. pavement brick The 7 d and 28 d strength of the prepared could reach 14.84 MPa and 24.36 MPa respectively when it was made from the mixture of 80% composite material, 15% rock powder, 5% stone ballast, and 10%cement.

关 键 词：工业废渣 碱渣 便道砖 

分 类 号：TQ174.76[化学工程—陶瓷工业]