铁尾矿基超强陶粒的制备及性能研究  

Study on Preparation and Properties of Super-Strong Ceramsite Based on Iron Tailings

作　　者：赵威[1] 王之宇[1] 周春生[1] 解程程 Zhao Wei;Wang Zhiyu;Zhou Chunsheng;Xie Chengcheng(Shaanxi Key Laboratory of Comprehensive Utilization of Tailings Resources,Shangluo University,Shaanxi,Shangluo 726000)

机构地区：[1]商洛学院陕西省尾矿资源综合利用重点实验室,陕西商洛726000

出　　处：《非金属矿》2023年第4期92-94,99,共4页Non-Metallic Mines

基　　金：陕西省重点研发计划(2022GY-429);陕西省教育厅青年创新团队建设科研计划项目(21JP037);商洛学院科学与研究基金项目(21CK02)。

摘　　要：随着建筑用石的价格逐年升高,采用尾矿、污泥、粉煤灰、建筑垃圾等固体废弃物制备高强陶粒替代石子成为研究热点。本试验采用铁尾矿为主要原料制备超强陶粒,研究原料配比、烧成制度对陶粒性能的影响。最终制得抗压碎强度为56.5 MPa(约为石子抗压碎强度的4倍),表观密度为2.56 g/cm^(3),吸水率为0.06%的超强陶粒,为铁尾矿资源化利用提供了可行途径。With the price of building stones increasing year by year,high-strength ceramsite prepared from solid wastes such as tailings,sludge,fly ash and construction waste replacing stones has become a research hotspot.In this paper,iron tailings were used as the main raw material to prepare super-strong ceramsite.The effects of raw materials ratio and firing system on the properties of ceramsite were studied.Finally,the super-strong ceramsite was prepared.Its crushing strength was 56.5 MPa(about 4 times than that of stone);the apparent density was 2.56 g/cm^(3),and the water absorption was 0.06%.It provides a resource utilization way for iron tailings.

关 键 词：超强陶粒 铁尾矿 烧成工艺 资源化利用 

分 类 号：X705[环境科学与工程—环境工程] TU528.2[建筑科学—建筑技术科学]