| 摘要 |
PURPOSE:To retard surely the formation of solidified shells on short side walls by disposing heat insulatable holding plates adjacently to the inside of the short side wall, conducting electricity to the heaters embedded in the short side walls to heat the short side walls and removing the holding plates at the start of casting. CONSTITUTION:Heat insulatable holding plates 12 are installed along the front surfaces of refractory parts 6a, 7a of short side walls prior to the start of casting. Heat dissipation in the stage of heating the parts 6a, 7a by heaters 11 is prevented to improve the holding effect. A molten steel 1 is poured into the mold after the plates 12 are removed in the stage of starting casting. The efficient holding of the short side walls is accomplished without requiring large electric power and without generating dew condensation to a metallic belt. |
