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针对山东十里泉电厂库区粗、细粉煤灰做了偏光镜下分析,其主要矿物成分有碳粒、玻珠及少量莫来石、石英、磁铁等。粗灰含玻珠量较细灰低些,而碳粒含量前者较后者为高;经化学成分分析,其主要化学成分为SiO_2(55.71％)、AI。03(24.22％)、Fe_2O_3(9.28％)。通过电镜扫描分析发现,粉煤灰主要有四种微观结构类型,即玻珠结构、串珠结构、碳粒结
The analysis of coarse and fine fly ash in the reservoir area of Shiliquan Power Plant in Shandong Province under polariscope analysis shows that the main mineral components are carbon particles, glass beads and a small amount of mullite, quartz and magnets. The content of coarse ash containing glass beads was lower than that of fine ash, and the former was higher than the latter. The chemical composition of the former was SiO 2 (55.71%) and AI. 03 (24.22%), Fe_2O_3 (9.28%). Scanning analysis by electron microscopy showed that there are four types of microstructures in fly ash. They are glass bead structure, beaded structure, and carbon grain.