利用电解锰渣-废玻璃制备陶瓷砖.pdf

第38卷第3期非全属矿Vol38 No. 32015年5月Non-metallic MinesMay、2015利用电解锰渣废玻璃制备陶瓷砖冉岚刘少友”杨红芸张扬(1贵州省微介孔与纳米材料重点实验室,贵州凯里56011;2凯里学院化学与材料工程学院,贵州凯里556011)摘要为了解决电解锰渣对环境的污染,提高锰渣的利用率,研究了以电解锰渣一废玻璃为主要原料钊备胸砖。首先利用CaO-Al4OSiO2三相图得初始配方,然后进行了大量的实验,并对产品的品相进行分析,确定陶瓷砖的最优配方。結果证明,锰渣的添加量为32%,废玻璃含量为25%,烧温度为950,烧时间为30min时,陶浇坯的主品相为石英、钙长石、英来石和方石英,收缩率为027%,符合GBT41002006陶瓷砖的标准。关键词电解锰渣;废玻璃;晶相;救缩率中图分类号:TQ17446文献标识码:A文章编号:10008098(2015)03-0027-03Preparation of Ceramic Tiles with Electrolytic Manganese and Waste Glass AdmictureRan Lan Liu Shaoyou Yang Hongyun Zhang Yang(1 Guizhou Key Laboratory of Micro-mesoporous and Nano Material, Kaili, Guizhou 556011; 2 School of Chemistry and Material Engineering.Kaili University, Kaili, Guizhou 556011Abstract In order to solve the pollution of electrolytic manganese residue, the environment and improve the utilization of manganese slag, thepreparation of ceramic tiles was studied by using electrolytic manganese and waste glass as the main raw material The asic formulas were obtained in termsof the CA-AL, O io emary system phase diagram, then they were optimized through a lot of experiments and the text of crystallization. The resultsindicated that the calcining temperature was 950 C electrolysis manganese when adding 32% electrolytic manganese and 10 g waste glass, the main crystalscomposition were qua soble mullite and anothe the shinkage s 0.27, t oled with the standard of GB/T 4100-2006 ceramic tilesKey words manganese residue; waste glass; crystallization; shrinkage近年来,我国陶瓷工业发展迅速,对陶瓷原材料废玻璃研磨后过74um。的需求也越来越大。由于矿产资源是不可再生资源,1.,2相图理论产生初始配方原料的主要化学组成因而优质陶瓷原材料正日趋减少。电解锰企业所排经换算后,标于 CAO-AI2O3SiO2三元系统相图中,见放的固体废弃物锰渣占用大片土地,严重污染周边土图1,然后根据相图理论中的“杠杆原理”,计算得到壤环境,如何提高锰渣的利用率,解决锰渣的污染迫原料的质量百分数,得到初始配方,见表1。在眉睫。本实验利用电解锰渣、高岭土和废玻璃为主方石英要原料,根据配方对最终陶瓷坯体的成分及收缩率进硅灰石行分析,符合GBT4100-2006陶瓷砖的标准。钙黄长石1实验部分石、1.1原料电解锰渣,贵州省铜仁电解锰厂,其主要化学成分(w%0)为:SiO2,24.2;MnO2,1;A2O3,7.1;CaSO4H2O,677。将电解锰渣烘干后研磨过筛,得48um锰渣。陶瓷坯原料,取自凯里陶瓷砖厂,其主要化学成分(w%0)为:SiO2,71;CaO,12;A203,2;图1CaO-Al2O、-SiO2三元相图Na20,5;KO,3;其它,7。废玻璃,凯里玻璃厂,其主表1CaO-Al2OSiO2三元相图理论下初始配方(w)要化学成分(w%)为:SiO2,70;MgO,24;Al(SO2),6配方玻璃锰渣原料收稿日期:2015-03-0138.83基全项目:贵州省优秀青年科技人才培养项日(科合人字20132232.48号六:黄州省科技厅联合基全(黔科合J字LKK2013125号;贵州省特色重点学科建设基金(黔教高发2011208号)根据表1初始配方和大量实验,选定以下配方做通讯作者,Tel:13885587060;E-mai:lsy651204(163.com为研究对象,具体配方见表2