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鞍钢8m弧半径小方坯连铸机提速实践

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针对8m弧半径小方坯铸机拉速低不能满足生产要求的问题,分析了影响铸机提速的主要原因,采取了增加结晶器长度,更新结晶器供水泵,更新二冷水嘴,增大二冷管径以及优化系统温度等措施,铸机拉速由 2.8 m/min提高到 3.5 m/min,铸坯质量合格率达到 99.95%,实现了小方坯铸机高速稳定生产.
Practice of Improving Speed of Billet Caster with 8 Meter-arc-radius in Ansteel
With regard to the problem that the low speed of the billet caster with 8 meter-arc-radius could not meet the production requirements,the key factors for influencing to improve the caster speed were analyzed.After that,such measures as increasing the length of a mould,updatin g the water supply pump to the mould and the water nozzles in secondary cooling zone,expanding the diameter of tubes used in secondary cooling zone and optimizing the system temperature were taken,the casting speed of the billet caster increased to 3.5 m/min from 2.8 m/min,and the billet quality pass percent was up to 99.95%,and thus stable production by the billet caster at high speed was realized.

billet continuous castingcasting speedmouldsecondary cooling speed

孙振宇、那廷权、李叶忠、唐雪峰、王成青、梁祥远

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鞍钢股份有限公司炼钢总厂,辽宁 鞍山 114021

鞍钢集团钢铁研究院,辽宁 鞍山 114009

小方坯连铸 拉速 结晶器 二次冷却

2024

鞍钢技术
鞍钢技术中心

鞍钢技术

影响因子:0.202
ISSN:1006-4613
年,卷(期):2024.(1)
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