Importance

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Abstract

A device for melting a metal-containing mixture includes a vacuum melting furnace, in particular with a plasma jet melting means. A metal-containing mixture, in particular catalysts from motor vehicles, is to be fed into a graphite pool through a feed line. A first lateral discharge opening can be inserted into the graphite pool for discharging metal melt, and a second lateral discharge opening, specifically a siphon discharge opening, is provided for molten slags. The discharge openings are to be inserted through a wall of the graphite pool by a piercing lance. The lateral siphon discharge opening comprises an attached siphon with an integrated slag brick. An adaptively designed metal cover plate close to the outlet opening is inserted, in particular a copper cover plate, which is prepared in such a way that it is designed to be replaceable even when the vacuum melting furnace is running.

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First Claim