TUYERE FOR BLOWING OFF OF ALLOY IN OXYGEN-BLOWN VESSEL Russian patent published in 2009 - IPC C21C5/48 

Abstract RU 2371484 C2

FIELD: metallurgy.

SUBSTANCE: invention relates to ferrous metallurgy, particularly to basic oxygen steel manufacturing. Tuyere contains concentric located pipes, forming routes for feeding of oxidant, feeding of coolant withdrawal and multiport head with Laval conical nozzles. Nozzles allows confuser, minimal section and diffuser with rectilinear generators. Between confuser and diffuser in Laval conical nozzles there are implemented cylindrical channels, length of which is defined from given correlation. Furthermore, diffuser of nozzles allows additional cylindrical outlet sections, length of which is defined from given correlation.

EFFECT: usage of invention provides increasing of effectiveness of blowing off of converter bath.

3 cl, 8 dwg

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RU 2 371 484 C2

Authors

Lukhtura Fedor Ivanovich

Sushchenko Andrej Viktorovich

Chaudri Tarik Makhmud

Gnedash Aleksandr Vasil'Evich

Dates

2009-10-27Published

2006-03-17Filed