郝 勇，信翔宇，黄永波，段广彬
（济南大学 材料科学与工程学院，山东 济南 250022）
DOI:10.13732/j.issn.1008-5548.2022.02.001
收稿日期： 2021-10-02，修回日期：2021-10-20，在线出版时间：2022-01-23。
基金项目：国家自然科学基金项目，编号：52002144；山东省自然科学基金项目，编号：ZR2020QE046。
第一作者简介：郝勇(1997—)，男，硕士研究生，研究方向为建筑材料。E-mail：1907997707@qq.com。
通信作者简介：
黄永波(1987—)，男，博士，研究方向为建筑材料。E-mail：mse_huangyb@ujn.edu.cn；
段广彬(1983—)，男，教授，博士，硕士生导师，研究方向为流体机械与工程。E-mail：mse_duangb@ujn.edu.cn。
摘要： 综述赤泥的化学和矿物组成，利用赤泥制备矿渣水泥、硅酸盐水泥、硫铝酸盐水泥等的研究。指出以赤泥为原料制备水泥，因铝矿来源不同而导致赤泥化学组分不稳定，增加赤泥配制水泥生料的难度；赤泥中氧化铁及碱金属含量较高，易导致配制的水泥生料熔融，增加回转窑结圈甚至堵塞风险；生料中碱金属含量过高会导致预热器结皮，易导致水泥硬化体泛碱，降低赤泥在水泥制备时的利用率。认为利用赤泥制备水泥，是处理赤泥的一条有效途径，符合可持续发展政策，具有良好的经济效益、环境效益和社会效益；赤泥制备水泥仍须不断进行科研创新，开发新赤泥利用途径，实现赤泥的高效资源化利用。
关键词： 赤泥；矿渣水泥；硅酸盐水泥；硫铝酸盐水泥
Abstract:Chemical and mineral compositions of red mud,as well as preparation of slag cement,Portland cements and sulphoaluminate cement were reviewed.It is pointed out that when red mud is used to prepare cement,different sources of aluminum ore can lead to unstable chemical compositions of red mud and increase the difficulty of raw cement preparation.The content of ferric oxide and alkali metals in red mud is high,which easily leads to melting of raw cement,and increases the risk of ring formation and even blockage of rotary kiln.High content of alkali metal in raw materials will lead to preheater crust,easily lead to cement hardening body pan alkali,and reduce the utilization rate of red mud in cement preparation.It is considered that using red mud to prepare cement is an effective way to deal with red mud,which is in line with the policy of sustainable development and has good economic,environmental,and social benefits.In order to realize efficient utilization of red mud,it is necessary to carry out scientific research and innovation in the preparation of cement from red mud.
Keywords:red mud;slag cement;Portland cement;sulphoaluminate cement
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