不同粉磨工艺水泥的颗粒_矿物组成分布及性能_英文_.pdfVIP

( 自然 科学 版) 32 8 Journal of South China University of Technology Vol.32 No.8 2004 8 (Natural Science dition) August 2004 ArticleID: 1000- 565X( 2004)08- 0058- 06 Particle Size Distribution, Mineral CompositionDistribution and Performance of Cement Prepared by Different GrindingTechnology* Wu Xiaomei Fan Yueming Guo Wenying (College of Materials Science and ngineering, South China Univ. of Tech. , Guangzhou 510640, Guangdong, China) Abstract: The influences of the particle size distribution (PSD) and the mineral composition distribution of cement prepared by different grinding technology on the physical performances of cement and concrete were investigated. The results show that there is a close relationship between PSD and grinding conditions as well as grinding system parameters. Narrower PSD can be obtained by using the highefficiency separator with higher circulatingload and proper specific surface area. With narrower PSD and higher specific surface area, most of C S in clinker can effi 3 ciently enrich in particles smaller than 30 m, due to the good grindability and enrichment of C S in cement parti 3 cles. When the qualities of clinker and admixtures, as well as the specific surface area of cement are kept stable, narrower PSD ( most particles are in the size range of 0~ 30 m) results in h