MgO添加剂对熔剂性球团矿性能改善的机理与最适含量研究  

Research on the Mechanism and Optimal Content of MgO Additives for Improving the Performance of Flux based Pellets

作　　者：吕阳 柴勇 牛江峰 王婉露 LYU Yang;CHAI Yong;NIU Jiang-feng;WANG Wan-lu(Hegang Tanggang Company,Tangshan 063611,China)

机构地区：[1]河钢唐钢公司,河北唐山063611

出　　处：《世界有色金属》2024年第10期53-55,共3页World Nonferrous Metals

摘　　要：本文旨在研究MgO添加剂对熔剂性球团矿性能改善的机理及最适含量。本文调查了含氧化镁添加剂的类别和含量对CS、RSI、RDI和熔滴性能的影响。研究结果表明,含MgO添加剂的球团强度略低于含LBM添加剂的球团强度,使用菱镁矿添加剂的熔剂性球团矿显示出最高的RSI,使用菱镁矿添加剂的熔剂性球团矿的RDI最高,LBM是更适合用于熔剂性球团矿的含MgO添加剂。随着MgO添加剂含量从0%增加到2.0%,球团的抗压强度从3015N逐渐降低到2689N,球团中熔渣的液相温度和粘度也随之增加,从而导致软化滴落过程中MgO熔体球团的软化滴落温度升高。This article aims to study the mechanism and optimal content of MgO additives for improving the performance of flux based pellets.This article investigates the effects of the types and contents of magnesium oxide additives on CS,RSI,RDI,and droplet performance.The research results indicate that the strength of pellets containing MgO additive is slightly lower than that of pellets containing LBM additive.The flux based pellets using magnesite additive show the highest RSI,while the flux based pellets using magnesite additive have the highest RDI.LBM is a more suitable MgO additive for flux based pellets.As the MgO additive content increases from 0%to 2.0%,the compressive strength of the pellets gradually decreases from 3015N to 2689N.The liquid phase temperature and viscosity of the slag in the pellets also increase,leading to an increase in the softening drop temperature of MgO melt pellets during the softening drop process.

关 键 词：MgO添加剂 熔剂性球团矿 性能改善 

分 类 号：TF046.6[冶金工程—冶金物理化学]