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2 335 546

(13)

(51)

IPC

C21B7/06(2006-01-01)

(21) (22)

Application

2006125248/02, 2006-07-13

(24)

Start date

2006-07-13

(22)

Actual filing date

2006-07-13

(45)

Published

2008-10-10

(72)

Inventor

Feshchenko Sergej AleksandrovichLitvinov Sergej NikolaevichShishchuk Igor' NikolaevichKalinin Anatolij VladimirovichPleshkov Viktor IvanovichSavejko Konstantin Nikolaevich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Lipetskij Metallurgicheskij Zavod Sokol" Lmz Sokol")

PROTECTION OF BLAST FURNACE MOUTH Russian patent published in 2008 - IPC C21B7/06

Abstract RU 2335546 C2

FIELD: metallurgy.

SUBSTANCE: furnace mouth protection includes metal segments, lined inside with refractory bricks and moulded with heat resistant concrete. The upper portion of the furnace mouth protection has a cylinder profile. The lower portion is made as a truncated cone with a tilt angle forming this cone from vertical at 2-15°, at that the height of the truncated cone is 0.3-0.9 from the total height of the furnace mouth protection.

EFFECT: upgraded reliability of furnace mouth protection operation.

1 dwg

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RU 2 335 546 C2

Authors

Feshchenko Sergej Aleksandrovich

Litvinov Sergej Nikolaevich

Shishchuk Igor' Nikolaevich

Kalinin Anatolij Vladimirovich

Pleshkov Viktor Ivanovich

Savejko Konstantin Nikolaevich

Dates

2008-10-10—Published

2006-07-13—Filed