论文部分内容阅读
利用X射线衍射分析AOD渣的矿物组成,采用电子显微镜观察AOD渣的显微形貌,采用偏/反两用研究型显微镜观察AOD渣矿物相的嵌布特征。结果表明:AOD渣的主要物相为硅酸二钙、镁硅钙石、辉石、硅钙石及少量的尖晶石、磁铁矿以及微量的富氏体、玻璃相、RO相和铁酸钙;硅酸二钙体积分数达80%以上,镁硅钙石、辉石、硅钙石体积分数分别为5%左右;硅酸二钙和硅钙石为黑色相,硅酸二钙呈细小粒状集合体、柱状,粒度粗细不等;硅钙石呈他形晶、细小柱状;镁硅钙石存在于灰色相,主要呈他形粒状、细小纺锤状、短柱状;辉石、尖晶石和RO相包裹于优势相中,辉石呈他形粒状,粗细不等。
The mineral composition of AOD slag was analyzed by X-ray diffraction, the morphology of AOD slag was observed by electron microscope, and the embedding characteristics of AOD slag mineral phase was observed by using a partial / reverse dual-purpose research microscope. The results show that the main phases of AOD slag are dicalcium silicate, calcium magnesium silicate, pyroxene, calcium silicate and a small amount of spinel, magnetite and trace amounts of rich martensite, vitreous phase, RO phase and iron Calcium silicate; Calcium silicate volume fraction of more than 80%, Magnesite, pyroxene, calcium silicate volume fraction of about 5%; dicalcium silicate and calcium silicate black phase, dicalcium silicate was Small granular aggregates, columnar, particle size range; Calcite was his shape crystal, small columnar; magnesium silicate stone exists in the gray phase, the main was his shape granular, fine spindle, short columnar; pyroxene, spinel Stone and RO phase wrapped in the dominant phase, pyroxene was his granular form, ranging in thickness.