Tuyere for a basic oxygen furnace

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United States of America Patent

PATENT NO 11155890
APP PUB NO 20210017616A1
SERIAL NO

16514122

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Abstract

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A tuyere comprising an inner tube including a lower section having a first diameter, an upper section having a second diameter smaller than the first diameter, and a converging transition section having a converging angle Θ from 30° to 60° connecting the lower section to the upper section, the inner tube terminating in an inner nozzle at a downstream end of the upper section; and an outer tube surrounding the inner tube so as to create an annulus there between, the outer tube including a lower section having a third diameter larger than the first diameter, an upper section having a fourth diameter smaller than the third diameter but larger than the second diameter, and a converging transition section having connecting the lower section to the upper section, the outer tube terminating in an outer nozzle at a downstream end of the upper section.

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Patent Owner(s)

Patent OwnerAddress
AIR PRODUCTS AND CHEMICALS INC1940 AIR PRODUCTS BOULEVARD PATENT DEPT ALLENTOWN PA 18106-5500

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Buragino, Gregory J Fogelsville, US 6 6
Buzinski, Michael David Slatington, US 12 61
Makwana, Anandkumar Breinigsville, US 8 1
Sane, Anup Vasant Allentown, US 21 27

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