重庆理工大学学报(自然科学版)Issue(8):44-49,6.DOI:10.3969/j.issn.1674-8425(z).2014.08.010
阴离子掺杂对硅酸盐水泥熟料烧成的影响
Effects of Anion Doping on Clinker Sintering of Silicate Cement
摘要
Abstract
Effects of anion doping on clinker sintering of silicate cement were investigated using NaF, CaF2,CaSO4·2H2O,Ca3(PO4)2 as compound dopants.The mineral phase structure,morphology and free lime content of clinker sintered at 1 250℃and 1 350℃were characterized by X-ray diffrac-tion,scanning electron microscope and glycerin-ethanol method,respectively.The results show that NaF,CaF2 as effective mineralizers facilitating clinker sintering,especially for CaF2 ,can significantly improve the burnability of cement raw meal and decrease sintering temperature by about 100 ℃.Ca3 (PO4 )2 can evidently promote the formation of clinker minerals sintered at elevated temperature and its optimal doping content approximates 1%.Singly doping CaSO4 will give rise to liquid-phase yield and decrease its viscosity despite of the limited effects on burnability of cement raw meal.关键词
硅酸盐水泥/熟料烧成/阴离子掺杂/矿化/易烧性Key words
portland cement/clinker sintering/anion doping/mineralization/burnability分类
化学工程引用本文复制引用
龙志强,王振林..阴离子掺杂对硅酸盐水泥熟料烧成的影响[J].重庆理工大学学报(自然科学版),2014,(8):44-49,6.基金项目
重庆理工大学实验技术开发基金资助项目 ()