粉煤灰综合利用 FLY ASH COMPREHENSIVE UTILIZATION 2010NO.3 专题研完 复合粉煤灰制备工艺参数对其白度影响的灰色关联分析* Effect of Technological Parameter on the Whiteness of Composite Fly Ash by Grey Relational Alalysis Method 吴成宝12,杨玉芬,盖国胜2,赵夫涛1 2 (1.清华大学材料科学与工程系,北京100084; 2.浙江清华长三角研究院长兴粉体及新材料工程中心,浙江长兴313100) 摘要:为考察复合粉煤灰制备工艺参数对其白度的影响,在Ca(OH) -H2O-CO2体系中制备了复合粉煤灰样品,应 用白度仪测量了复合粉煤灰的白度,并运用灰色关联分析法计算了各工艺参数与复合粉煤灰白度的灰色关联系数.结 果表明,在不同的权值条件下,可得到一致结果,各工艺参数的相对大小顺序为:固液比>Ca(OH)2体积>粉煤灰用量 >搅拌速度>样品种类>Ca(OH)浓度>反应温度>恒温反应时间. 关键词:粉煤灰;白度;灰色关联分析;灰色关联度 中图分类号:X773 文献标识码:A 文章编号:1005-8249(2010)03-0003-04 (1.Department of Materials Science and Engineering Tsinghua University Beijing 100084 China:2.Changxing Powder and New Materials Engineering Center Yangzi Dela Research Institute of Tsinghua University in Zhejiang Zhejiang Jiaxing 313100) Abstract:The posite fly ash was prepared in Ca(OH)2-H2 O-CO2 sytem and its whiteness was tested by whiteness meter.The grey relational coefficients between the technological parameter and whitenes of posite fly ash were caleulsted by grey relational alalysis method in order to investage the effect of technological perameter on the whiteness of coenpomite fly ash.The results indicated that the analytical results were consistent under different distinguishing coefficients and the relative effects of various technological parameters on the whiteness of posite fly ash were invariantly in the following descending order:the solid-liquid ratio the volume of Ca(OH )2 the amount of fly ash the stirring sp...
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