POURING METHOD OF CONTINUOUS CASTING MACHINE

摘要

PURPOSE:To speed up casting and to reduce thickness without decreasing the diameter of a pouring port by conducting electricity in the outflow direction to the molten metal which flows out of a pouring nozzle of an endless track type continuous casting machine toward a casting mold. CONSTITUTION:The molten metal is poured horizontally into, for example, a casting mold 4. The pouring nozzle 9 having the diameter larger than the diameter of a pouring cup 8 is provided on the upper stream side of the pouring cup 8 at the upper stream end in the belt-like space 7 formed of mold walls 2, 3. A magnet 10 is provided between said nozzle and the cup 8 below the pouring path. The magnetic field 11 by the magnet 10 is directed from the front side on the plane of the figure toward the rear side on the pouring path side. The molte n metal is thereupon poured from the nozzle 9 toward the cup 8. Electric current (i) is passed from the nozzle 9 toward the cup 8 to the molten metal 12 in this stage. A magnetic field 13 is generated in a right-hand direction with respect to the direction of the current (i) around the molten metal 12 and the force in the axial line direction is acted on the molten metal itself by the interaction between the current (i) and the magnetic fluid 13 by which the molten metal is throttled toward the cup 8 side. The pouring without any trouble is made possible even if the bore of the nozzle 9 is larger than the bore of the cup 8.