炼钢转炉出钢口长寿化技术
LONG LIFE TECHNOLOGY FOR STEEL TAPPING HOLEIN CONVERTER
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摘要: 通过对攀钢120 t转炉出钢口长寿化技术的确立和镗孔技术的应用,实现了整体出钢口整体更换,达到了提高出钢口使用寿命,稳定出钢时间和出钢温降,减少下渣量和提高合金收得率的效果,为减轻劳动强度、稳定工艺操作、改善钢质量起到了积极作用。Abstract: The results of integral change of steel tapping hole, extending service life of it, stably tapping time and tapping temperature drop, reduction of slag carring over and increase of alloy recovery are achieved by the establishment of long life technology of tapping hole in 120 ton converter at Pangang and the application of boring technique.It is of particular advantage to reduce labor strength, stabilize technological operation and improve steel quality.
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Key words:
- converter /
- integral tapping hole /
- magnesia-carbon /
- angle /
- size
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