小方坯保护浇注及对铸坯质量的影响

Protective Atmosphere Casting of Small Square Billet and Its Effect on Billet Quality

介绍了莱钢炼钢厂 3#连铸机小方坯保护浇注工艺以及对耐火材料的改进措施。实践证明 ,采用保护浇注工艺 ,铸坯检验合格率提高 。

This paper introduces the process of protective atmosphere casting of small square billet and improving measures of refractory material in No.3 continuous caster of the steelmaking plant of Laiwu iron and steel group Co.,Ltd.The practice proves that taking on the process of protective atmosphere casting the percent of pass of check of billet is increased and the defect ratio of billet is decreased.