METHOD AND DEVICE FOR TREATING A METAL OR A MOLTEN METAL ALLOY USING AN ADDITION AGENT

A method and device for treating a metal or a molten metal alloy using an addition agent, wherein the addition agent is deposited in a local cavity arranged at the bottom of a treatment ladle and surrounded by a protruding wall, and a closing member connected to movement means is able to form, with...

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Bibliographische Detailangaben
1. Verfasser:	TOUMI Mourad
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY METALLURGY OF IRON PERFORMING OPERATIONS POWDER METALLURGY PRETREATMENT OF RAW MATERIALS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL PRODUCTION AND REFINING OF METALS TRANSPORTING TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	A method and device for treating a metal or a molten metal alloy using an addition agent, wherein the addition agent is deposited in a local cavity arranged at the bottom of a treatment ladle and surrounded by a protruding wall, and a closing member connected to movement means is able to form, with the bottom of the treatment ladle, in a low insulating position, a chamber including said local cavity and comprising an intermediate annular space around the small wall. Application to the treatment of a molten cast iron using pure magnesium or magnesium alloy.