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2 288 277

(13)

(51)

IPC

C21B7/18(2006-01-01)

F16K17/00(2006-01-01)

(21) (22)

Application

2004136558/02, 2004-12-14

(24)

Start date

2004-12-14

(22)

Actual filing date

2004-12-14

(45)

Published

2006-11-27

(72)

Inventor

Sperkach Ivan Emel'JanovichKurunov Ivan FilippovichPerekatov Sergej VladimirovichJarikov Ivan SergeevichShcheglov Ehduard Mikhajlovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Mettallurgicheskij Kombinat"

GAS PRESSURE CONTROL APPARATUS IN MOUTH OF BLAST FURNACE Russian patent published in 2006 - IPC C21B7/18 F16K17/00

Abstract RU 2288277 C2

FIELD: ferrous metallurgy, namely blast furnace production.

SUBSTANCE: apparatus includes diaphragm having openings and valves; supply and exhaust gas conduits. Axial valves are used in apparatus. Said axial valves are mounted in exhaust gas conduits. To outlet of each opening of diaphragm coaxial perforated branch pipe is butt joined. Diameter of said branch pipe consists of 1.2, its length consists of 2.5 of diameter of respective valve.

EFFECT: reduced vibration degree, effective silencing in apparatus according to invention.

1 dwg

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RU 2 288 277 C2

Authors

Sperkach Ivan Emel'Janovich

Kurunov Ivan Filippovich

Perekatov Sergej Vladimirovich

Jarikov Ivan Sergeevich

Shcheglov Ehduard Mikhajlovich

Dates

2006-11-27—Published

2004-12-14—Filed