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针对 重钢七厂 板坯连铸 的实际 生产条件 ，通过现 场试 验，研 究了 钢水 质量、结晶 器液 面状况、结晶 器保护 渣和设备 检修等 对板 坯 表面 质量 的 影响 。分 析了 板坯 表 面缺 陷的 类 型、数 量 和分布，并 提出了控 制板坯表 面质量 的措施。
According to the actual production conditions of slab continuous casting in No.7 Steel Plant, the influence of molten steel quality, liquid level of mold, mold powder and equipment overhaul on slab surface quality was studied through field tests. The type, quantity and distribution of slab surface defects were analyzed. The measures to control the slab surface quality were put forward.