宣钢12流方坯连铸机生产实践与设备改进

Production and renovating equipments about twelve-billlet continuous casting in XuanHua Steel

介绍12流方坯连铸机生产、质量与设备改进情况,主要针对200 mm×285 mm规格的大断面连铸坯和150×150、165 mm×165 mm小断面连铸坯的生产问题,通过改进导向段、优化二次冷却、改进结晶器和喷淋管、优化操作要点等手段,使得铸坯质量有了很大改善,同时也使生产效率有了很大提高。

Production ,quality and renovating equipments about twelve-billlet continuous casting were introduced in this paper.Dased on production about large-section （200 mm× 285 mm） billet and smallsection（150 mm×150 mm, 165 mm ×165 mm）, improving steering section, optimizing the secondary cooling, improving mold and spray tubes and optimizing operation were carried out, so that the quality of billet bad been greatly improved and productivity had been raised.