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通过对攀钢１２０ｔ 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
Through the establishment of Baosteel 120t converter tapping technology and the application of boring technology, it realizes the overall replacement of the whole tapping hole and achieves the service life of tapping hole, stabilizing tapping time and tapping temperature drop and reducing The amount of slag and improve the yield of the alloy, in order to reduce labor intensity, stabilize the process operation, improve the quality of steel played a positive role