Casting molten metal from elongated metallurgical container - involves virtual sepn. of part of metal close to tapping hole from rest of container

摘要

The method for casting molten metal from a flat elongated metallurgical container provided with a tapping hole near one of its ends is based on virtual separation of a part of the metal close to the tapping hole (3) from the rest in the container. The wire injection method is used to add a calculated amount of a treatment material to this separated part, where it is evenly distributed by an external measure before the melt is poured off through the tapping hole. Virtual separation of a part of molten metal is achieved by means of a barrier (20) made of a refractory material, while a stirring effect, to distribute the added material, is produced by means of gas applied through a distributer element (30). USE/ADVANTAGE - The invention can be used in the metallurgical industry. It allows treatment materials to be uniformly distributed in the melt before the pouring-off operation, and enables thus castings of more consistent quality to be produced.