自主集成300t钢包加盖技术在京唐的应用实践

通过对钢包加盖系统的研究,首钢京唐公司形成了具有自主知识产权的钢包全程加盖技术及工艺操作。钢包加盖系统在首钢京唐投入使用后,钢包全程加盖运行率达99.8%以上,钢包及包盖热状态较好,钢渣温度相对较高。经过实践生产运行表明,相较钢包未加盖运行,钢包全程加盖可以使钢包包底、包壁及渣线温度平均提高200℃左右;平均转炉出钢温度降低13℃;出钢结束至进精炼站的钢水温降损失减少2.9℃。同时,钢包盖使用最高次数可达1 800次以上。在节能降耗、降低生产成本、提高生产效益方面取得了良好的效果,可年节约成本约3 200万元。

Application of full- course covering on 300 t ladle in Shougang Jingtang

Through the study of the ladle covering process, the technology of the ladle covering with independent intellectual property rights and its operation were formed in Shougang Jingtang Company. After the ladle covering system put into practice, the running rate of the ladle covering was above 99.8% all the way. The ladle and package cover thermal state was good, the temperature of the steel slag was relatively high. Through the practical operation, it was showed that compared with an open operation, with the ladle covering process, the temperature of ladle bottom, wall and slag line can increase by about 200 ℃ on average, the average converter tapping temperature can decrease by 13 ℃, and the temperature drop from the end of the tapping to the start of the refining can reduced by 2.9 ℃. At the same time, the maximum using times of the ladle cover can be 1 800 times or more. In the aspect of saving energy and reducing consumption, the production cost was reduced, good effects were obtained in the improvement of the production, and about 32 million yuan can be saved for one year.