Production Practice of Replacing Sleeve Bricks for Slag Blocking and Tapping Port of Converter Slide Plate
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维普
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顶底复吹转炉滑板挡渣出钢口袖砖更换作业过程中采取强化镗孔操作、改变内水口定位方式、优化灌浆耐材和灌浆烧结流程等系列措施,实现了转炉滑板挡渣出钢口袖砖快速更换以及提高出钢口使用寿命的目的.生产实践表明:出钢口袖砖更换作业用时可控制在 50 min 以内,出钢口袖砖平均使用寿命可稳定在 320 炉以上.与常规出钢口更换技术相比,出钢口更换作业用时可以节约 10～20 min,出钢口袖砖平均使用寿命可提高 20～30炉次.
In the process of replacing the sleeve bricks of the converter skateboard slag outlet,a series of meas-ures were taken,such as strengthening boring operation,changing the positioning mode of the internal nozzle,opti-mizing the grouting refractory and grouting sintering process,so as to realize the rapid replacement of the sleeve bricks of the converter skateboard slag outlet and improve the service life of the outlet.The production practice shows that the replacement operation time of tapping sleeve brick can be controlled within 50 min,and the average service life of tapping sleeve brick can be stabilized above 320 heats.Compared with the conventional steel outlet re-placement technology,the steel outlet replacement operation can save 10～20 min,and the average service life of the steel outlet sleeve brick can be increased by 20～30 heats.
维普
万方数据
