Method and device for treating a metal or a molten metal alloy using an addition agent
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United States of America Patent
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Jul 17, 2018
Grant Date -
Apr 28, 2016
app pub date -
Jun 6, 2014
filing date -
Jun 10, 2013
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Abstract
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.
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