高效镁质添加剂用于铁矿球团的试验研究

来源期刊：钢铁2010年第5期

论文作者：李艳茹 李金莲 任伟

文章页码：17 - 19

关键词：球团； 高效镁质添加剂； 冶金性能

Key words：pellet； high-efficient additive containing MgO； metallurgical property

摘    要：高效镁质添加剂是一种由高活性氧化镁粉和植物蛋白胶体构成的球团复合粘结剂。针对该高效镁质添加剂完全取代膨润土进行了造球、预热、焙烧、抗压强度及成品球团的冶金性能试验研究。结果表明:配加高效镁质添加剂可降低球团还原膨胀率1.54%~4.34%,初始软熔温度提高25℃,滴落温度提高250℃以上,其使用比例为3%。

Abstract: High-efficient additive containing MgO,which is used for pellet production,is made of active MgO and vegetal glair.Such research works as palletizing,pre-heating,roasting,compression strength and the metallurgical property of the pellet with adding high-efficient additive containing MgO to substitute for bentonite were investigated.The results show that,when high-efficient additive containing MgO is 3% in mixture for pellet,the reduction swelling of iron ore pellet reduces by 1.54% to 4.34%,the initial softening temperature increases by 25℃,and the dropping temperature enhances over 250℃.