CASTING SYSTEM COMPRISING TUNDISH EQUIPPED WITH AT LEAST ONE OR MORE SUBMERGED PIPES DIPPED INTO MOLTEN BATH IN THIN-SLAB MOLD TO POUR MOLTEN MASS OF NONFERROUS METAL AND POURING METHOD FOR POURING MOLTEN MASS OF NONFERROUS METAL

摘要

PURPOSE: To provide a casting system for pouring molten mass of nonferrous metal, particularly copper or copper alloy, wherein the system removes gas generated from an exposed surface of a mold and injects molten mass into the mold without troubles, prevents negative pressure accumulated in a submerged pipe and has a simple structural design, and a method that is suitable for pouring molten mass of nonferrous metal. CONSTITUTION: The casting system comprises a tundish connected to at least one or more submerged pipes, wherein the submerged pipes are disposed such that they are inclined to a certain pouring angle, and a first section and a second section comprise tip nozzles(9) of the submerged pipes, the tip nozzles of the submerged pipes are dipped into molten bath in a mold, free ends(10,11) of the tip nozzles are sealed, at least one or more discharge openings(12) are formed on the wall surface contacted with the bottom surface of the mold, the discharge openings firstly change a flow direction of the molten mass, lips(13,13a) are disposed on the tip nozzles of the submerged pipes such that the lips are overlapped with the discharge openings in the state that the lips are spaced from the discharge openings in a certain distance, the lips secondly change a flow direction of the molten mass and divide the molten mass in an alternate direction when seen from a longitudinal axis of the mold, and the discharge openings and the lips are positioned underneath the surface of the mold bath in the operated state.