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2 303 636

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IPC

C21B7/16(2006-01-01)

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Application

2005120206/02, 2005-06-29

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Start date

2005-06-29

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Actual filing date

2005-06-29

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Published

2007-07-27

(72)

Inventor

Titljanov Aleksandr EvgrafovichRadjuk Aleksandr GermanovichTikhonov Sergej MikhajlovichKonstantinov Anatolij VladimirovichSnovalev Vladimir JakovlevichKuklin Andrej IvanovichPostnikov Vladimir PetrovichVolgin Vadim Viktorovich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Institut Stali I Splavov" Universitet)Ooo

METHOD FOR PREPARING OF BLAST FURNACE TUYERE FOR OPERATION Russian patent published in 2007 - IPC C21B7/16

Abstract RU 2303636 C2

FIELD: metallurgy, in particular, preparing of blast furnace tuyeres for operation.

SUBSTANCE: method involves applying aluminum-containing coating onto outer surface of flange-free tuyere using metallizing gun movable at constant velocity from one edge to another edge relative to tuyere rotating at constant angular velocity, with rotational velocity of tuyere and velocity of metallizing gun being selected so as to provide thickness of coating below 0.1 mm per one pass and overlap adjacent coils for 0.5-0.7 the width of metallization strip; providing metallized coating having thickness of at least 0.2-0.3 mm; heating tuyere at heating rate below 100 C/hour for performing thermal processing.

EFFECT: improved quality of diffusion layer and reduced consumption of material to be deposited.

3 cl, 2 ex

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RU 2 303 636 C2

Authors

Titljanov Aleksandr Evgrafovich

Radjuk Aleksandr Germanovich

Tikhonov Sergej Mikhajlovich

Konstantinov Anatolij Vladimirovich

Snovalev Vladimir Jakovlevich

Kuklin Andrej Ivanovich

Postnikov Vladimir Petrovich

Volgin Vadim Viktorovich

Dates

2007-07-27—Published

2005-06-29—Filed