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2 299 243

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(51)

IPC

C21B7/16(2006-01-01)

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Application

2006100570/02, 2006-01-10

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Start date

2006-01-10

(22)

Actual filing date

2006-01-10

(45)

Published

2007-05-20

(72)

Inventor

Veter Vladimir VladimirovichSamojlov Mikhail IvanovichKaranik Jurij Appolinar'EvichBelkin Gennadij Anatol'EvichLikhachev Gennadij VladimirovichShljapin Ehduard ViktorovichMizin Vladimir Grigor'Evich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Predprijatie

BLAST FURNACE TUYERE Russian patent published in 2007 - IPC C21B7/16

Abstract RU 2299243 C1

FIELD: metallurgy, namely structures of blast furnace tuyeres.

SUBSTANCE: tuyere of blast furnace includes mutually joined flange, outer and inner housings and nozzle part with cooling ducts. Total surface area of cross sections of cooling ducts consists of 0.07 - 0,54 of cross section area of wall of tuyere nozzle part. Spacing from inner surface of cooling duct till outer surface of nozzle part of tuyere consists of 0.05 -0.50 of thickness of nozzle part wall in zone of cooling duct arrangement. Spacing between inner surfaces of adjacent cooling ducts along axis of tuyere consists of 0.01 -0.60 of length of nozzle part of tuyere.

EFFECT: improved strength of tuyere.

5 cl, 2 dwg, 1 ex

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RU 2 299 243 C1

Authors

Veter Vladimir Vladimirovich

Samojlov Mikhail Ivanovich

Karanik Jurij Appolinar'Evich

Belkin Gennadij Anatol'Evich

Likhachev Gennadij Vladimirovich

Shljapin Ehduard Viktorovich

Mizin Vladimir Grigor'Evich

Dates

2007-05-20—Published

2006-01-10—Filed