Method and installation for protecting a liquid metal runner.

摘要

The invention concerns the protection of a liquid metal runner flowing between an upper reservoir and a lower container. According to this method, at least one liquified inert gas is injected above and in the proximity of the surface of the liquid metal contained in the lower container and/or at least one inert gas is injected in the liquid metal through the bottom or the sides of the said container. The invention applies to the protection of liquid metal runners, in particular between ladle and distributor, between ladle and ingot mould, between ladle and ladle and between converter (or furnace) and ladle. <IMAGE>