METHOD FOR SEALING NOZZLE OF MOVING TYPE CONTINUOUS CASTING MACHINE

摘要

PURPOSE:To provide the assurance of nozzle sealing, etc. by providing a space between moving molds and nozzle and setting the moving speed of the mold so as to maintain the surface position of the molten metal in said space within a specified range. CONSTITUTION:The required space S is maintained between the nozzle 3 and the moving type blocks 2 and a surface position detecting member 6 to detect the surface 5 position of the molten metal 4 is disposed on the outside of the nozzle 3. A speed regulator 9 to regulate the moving speed of the moving molds 2 is so provided as to maintain the distance between the position of the surface 5 and the meter 6 always within the specified range. The shape of the surface 5 of the molten metal 4 is maintained within the specified range and the sealing of the nozzle is assured by maintaining the space S. Since the surface condition of the molten metal is maintained constant, the quality of an ingot is improved.