Device for maintaining a tap hole of an electric arc furnace

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11852414
APP PUB NO 20210318069A1
SERIAL NO

17220574

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Importance

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Abstract

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A tap hole cleaning apparatus (20) for an electric arc furnace and a corresponding electric arc furnace (1) enable the cleaning of a tap hole (12) of an electric arc furnace (1) comprising a furnace vessel (2) having an eccentric or offset bottom tap hole (12). A lance head (24) is movable in a first step from a lower end position to an upper end position into and through the tap hole (12), and in a second step, the lance head (24) is movable back through the tap hole (12) from the upper end position to the lower end position while ejecting oxygen through one or more lateral oxygen ejection nozzles to clean the inner periphery of the tap hole (12).

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Patent Owner(s)

Patent OwnerAddress
BADISCHE STAHL-ENGINEERING GMBH77694 KEHL

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fuchs, Sven Willstätt-Legelshurst, DE 12 217
Schreiber, Danny Kehl, DE 2 2
Schweikle, Ralf Gutach im Breisgau, DE 2 3
Volkert, Andreas Kehl, DE 1 2

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