| 摘要 |
PURPOSE: A molten metal exit structure is provided to suppress the drop of temperature by reducing tapping time and to reduce a reheating process in a subsequent process. CONSTITUTION: A molten metal exit structure includes steel-tapping holes(100,200) ejecting molten steel from a refine converter(10). The molten metal exit structure comprises two steel-tapping holes departed from each other. If a steel-tapping hole caliber of the converter in which a tapping is completed within 3-6 minutes is called A, the steel-tapping holes departed from each other as described above is between 0.5-1.0A. If the steel-tapping holes described above are B, a distance between the two holes is between 1.5-4.0B. The steel-tapping holes described above are formed in either in parallel or vertical to the steel-tapping hole. The distance between the centers of the steel-tapping holes is either 2.0B or 3.0B. |
