锌对高炉的危害及应对措施

Harm of Zinc to blast Furnace and Countermeasures

分析了天津荣程联合钢铁有限公司炼铁厂入炉炉料中的锌(Zn)负荷,阐述了锌(Zn)对焦炭劣化的影响,对耐火内衬、风口系统、炉况顺行方面的破坏作用,提出了相应的应对措施,包括锌的排除方法和高炉在高锌负荷下实现正常操作的方法等。

This paper analyzes the zinc(Zn)load in the charging material of the Ironmaking Plant of Tianjin Rongcheng United Iron and Steel Co.,Ltd.,expounds the influence of zinc(Zn)on the deterioration of coke,the damage to the refractory lining,the tuyere system and the running condition of the furnace.The corresponding countermeasures are put forward,including the removal method of zinc,the normal operation method of blast furnace under high zinc load and so on.