Vortex well inerting

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United States of America Patent

PATENT NO 10247479
APP PUB NO 20180017329A1
SERIAL NO

15207697

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Abstract

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A method of providing an inerting atmosphere to the surface of molten aluminum in a vortex charge well of a reverberatory melting furnace is provided. The purpose is to improve aluminum recovery (reduce aluminum oxidation melt loss) by displacing the ambient atmosphere above the molten vortex with an inert gas. The method includes introducing a flow of an inerting gas into an inerting region immediately above the surface of the vortex charge well. The inerting gas may be selected from the group consisting of nitrogen, argon, or a mixture thereof. The inerting gas may be introduced into the charge inlet chute, through a diffuser, or a ring manifold. The vortex charge well may include a lid.

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Patent Owner(s)

Patent OwnerAddress
AIRGAS USA LLC259 NORTH RADNOR-CHESTER ROAD RADNOR PA 19087

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jepson, Stewart C Berwyn, US 9 154

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