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在分析连铸过程中钢水过热度对连铸坯的内部质量和连铸机产量影响的基础上，以不改变现有连铸设备为前提，将原结晶器长水口改造为水冷长水口，降低钢水进入结晶器时的过热度，改善铸坯的中心偏析和内部质量，提高铸坯出结晶器时的厚度，以提高连铸机的拉速，从而提高连铸的内部质量和连铸机的产量。
Based on the analysis of the influence of superheat of molten steel on the internal quality of continuous casting slab and the output of continuous casting machine during the continuous casting process, without changing the existing continuous casting equipment, the original mold long nozzle was reformed into the water- Reduce the superheat of the molten steel entering the mold, improve the central segregation and internal quality of the slab, increase the thickness of the slab out of the mold, so as to increase the pulling speed of the continuous casting machine and thereby improve the internal quality of the continuous casting machine and the continuous casting machine Production.