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| 快换水口过程板坯质量的改进措施 | |
| 引用本文： | 朱明伟. 快换水口过程板坯质量的改进措施[J]. 连铸, 2014, 33(4): 43-46 |
| 作者姓名： | 朱明伟 |
| 作者单位： | 河北省首钢迁安钢铁有限责任公司, 河北 迁安 064000 |
| 摘 要： | 快换水口操作对铸坯质量影响很大，对迁钢不同快换水口操作对铸坯质量缺陷个数影响进行了研究，通过控制快换水口时的中包钢水过热度、关棒时间、结晶器液面高度和手动控流时间等措施，制定出更换浸入式水口的标准化操作，对提高铸坯质量效果明显。 |
| 关 键 词： | 板坯连铸 换水口 铸坯质量 措施 |
Improvement of Slab Quality During Fast Nozzle Replacement |
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| ZHU Ming-wei. Improvement of Slab Quality During Fast Nozzle Replacement[J]. CONTINUOUS CASTING, 2014, 33(4): 43-46 | |
| Authors: | ZHU Ming-wei |
| Affiliation: | Shougang Qian’an Iron and Steel Co.， Ltd. ，Qian’an 064000, Hebei China |
| Abstract: | The replacement of submerged nozzle during casting process has a great effect on slab quality. The influence of different fast nozzle replacement operations on defect numbers in slab was investigated at Qian＇ an iron and steel limited company. Through controlling the surperheat of molten steel in tundisb, closing stopper time, the liquid level height in mold and time of manual control flow, the standardized operation of submerged nozzle replacement was proposed. The results were obvious for slab oualitv imnrovement. |
| Keywords: | slab continue casting nozzle replacement slab quality measure |
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