基于响应面法的矿渣基全固废胶凝材料配比优化

硅酸盐通报 ›› 2021, Vol. 40 ›› Issue (1): 187-193.

所属专题：资源综合利用

基于响应面法的矿渣基全固废胶凝材料配比优化

刘树龙¹, 李公成², 刘国磊², 王发刚¹, 王劼², 齐兆军³, 杨纪光³

1.山东理工大学材料科学与工程学院,淄博 255049;
2.山东理工大学资源与环境工程学院,淄博 255049;
3.山东黄金矿业科技有限公司充填工程实验室分公司,莱州 261400

收稿日期:2020-08-26 修回日期:2020-09-22 出版日期:2021-01-15 发布日期:2021-02-07
通讯作者: 李公成,博士,讲师。E-mail:ligongcheng888@126.com
作者简介:刘树龙(1996—),男,硕士研究生。主要从事矿山充填碱激发胶凝材料研究。E-mail:1561593036@qq.com
基金资助:
国家自然科学基金青年项目(52004152);国家重点研发计划政府间国际科技创新合作重点专项(2018YFE0123000);山东省自然科学基金(ZR20190230046)

Ratio Optimization of Slag-Based Solid Waste Cementitious MaterialBased on Response Surface Method

LIU Shulong¹, LI Gongcheng², LIU Guolei², WANG Fagang¹, WANG Jie², QI Zhaojun³, YANG Jiguang³

1. School of Materials Science and Engineering,Shandong University of Technology,Zibo 255049,China;
2. School of Resources and Environmental Engineering,Shandong University of Technology,Zibo 255049,China;
3. Shandong Gold Mining Technology Co.,Ltd. Filling Engineering Laboratory Branch,Laizhou 261400,China

Received:2020-08-26 Revised:2020-09-22 Online:2021-01-15 Published:2021-02-07

摘要/Abstract

摘要： 为促进钢铁冶炼废渣的高值化应用,以高炉矿渣、钢渣、脱硫石膏为原料制备全固废胶凝材料,开展矿山充填料浆配合比优化研究。在探究试验原料物化性质的基础上,借助Design-Expert软件中的Box-Behnken设计17组配合比试验。以钢渣、石灰、脱硫石膏掺量为自变量,以充填体28 d抗压强度为响应值,构建响应面多项式回归模型,基于方差分析和响应曲面剖析研究自变量单因素和交互作用对充填体强度性能的影响机制。结果表明,充填体强度对单一因素响应极敏感,对因素间交互作用具有较强的显著性。其中,单一因素影响显著性排序依次为石灰、脱硫石膏和钢渣掺量;钢渣和石灰掺量的交互作用是影响充填体强度性能的决定性因素,其次是石灰和脱硫石膏掺量的交互作用,钢渣和脱硫石膏的交互作用影响最小。通过优化获得最佳配合比参数为钢渣掺量40%,石灰掺量6%,脱硫石膏掺量12%,矿渣掺量42%(均为质量分数)。此参数下充填体28 d强度为4.03 MPa,平行验证试验相对误差为2.83%,证实了响应面法优化全固废胶凝材料配比的精确性和科学性。

关键词: 高炉矿渣, 胶凝材料, 响应面法, 回归模型, 交互作用, 抗压强度, 最优配合比

Abstract: In order to promote the high-value application of iron and steel smelting waste slag,the cementitious material of solid waste was prepared from blast furnace slag,steel slag and desulfurized gypsum,and the ratio optimization of mine filling slurry was carried out.On the basis of exploring the physical and chemical properties of the test raw materials,with the aid of Box-Behnken in the Design-Expert software,17 sets of proportioning tests were designed.Taking steel slag,lime and desulfurized gypsum content as independent variables,and 28 d compressive strength of the backfill as the response value,a response surface polynomial regression model was constructed,and the influence mechanism of independent variable single factor and interaction on the strength performance of backfill based on variance analysis and response surface analysis was studied.The results show that the strength of backfill is highly sensitive to the response of a single factor,and has a strong significant effect on the interaction between factors.The order of significance of single factor is the content of lime,desulphurizing gypsum and steel slag.The interaction between steel slag and lime content is the decisive factor affecting the strength performance of backfill,followed by the interaction between lime and desulfurized gypsum content,and the interaction between steel slag and desulfurized gypsum is the least.The optimum parameters are steel slag content of 40%,lime content of 6%,desulfurization gypsum content of 12% and slag content of 42% (both are mass fraction).Under this parameter,the strength of backfill at 28 d is 4.03 MPa,and the relative error of parallel verification test is 2.83%,which confirmes the accuracy and scientificity of response surface method in optimizing the ratio of all-solid waste cementitious material.

Key words: blast furnace slag, cementitious material, response surface method, regression model, interaction, compressive strength, optimal mix proportion

中图分类号:

TD853

刘树龙, 李公成, 刘国磊, 王发刚, 王劼, 齐兆军, 杨纪光. 基于响应面法的矿渣基全固废胶凝材料配比优化[J]. 硅酸盐通报, 2021, 40(1): 187-193.

LIU Shulong, LI Gongcheng, LIU Guolei, WANG Fagang, WANG Jie, QI Zhaojun, YANG Jiguang. Ratio Optimization of Slag-Based Solid Waste Cementitious MaterialBased on Response Surface Method[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2021, 40(1): 187-193.

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基于响应面法的矿渣基全固废胶凝材料配比优化

Ratio Optimization of Slag-Based Solid Waste Cementitious MaterialBased on Response Surface Method

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