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以南阳汉冶特钢400 mm×2 700 mm连铸坯窄面鼓肚为研究对象,结合生产实际,分析了结晶器冷却强度、结晶器锥度、结晶器足辊长度对窄面鼓肚的影响。提出了防止特厚板坯窄面产生鼓肚的措施,有效解决了400 mm特厚板坯窄面鼓肚现象。指导特厚板坯连铸机的改造与连铸生产。
Taking Nanyang Hanye Special Steel 400 mm × 2 700 mm slab bulging as research object, the influence of mold cooling intensity, crystallizer taper and crystallizer foot roller length on narrow belly bulge was analyzed according to production practice . The measures to prevent the bulging of the narrow face of the super-thick slab are proposed, which effectively solves the bulging of the narrow face of 400 mm extra-thick slab. Guide the transformation and continuous casting of extra-thick slab caster.