为了实现首钢京唐3号铸机拉速达到2.5 m/min的目标,在现有连铸参数的基础上分别对结晶器冷却水量、保护渣成分和浸入式水口结构进行了优化.工业试验结果表明:参数优化后,拉速可稳定保持在2.3 m/min;结晶器液面波动得到明显改善,宽窄面平均热流稳定,铜板温度场合理,液渣层厚度适宜,保护渣消耗量有所增加,为拉速进一步提高提供了试验依据.
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