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2 523 368

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(51)

IPC

C21B7/16(2006-01-01)

(21) (22)

Application

2013103327/02, 2013-01-24

(24)

Start date

2013-01-24

(22)

Actual filing date

2013-01-24

(45)

Published

2014-07-20

(72)

Inventor

Sukhanov Mikhail Jur'EvichKarimov Mikhail MurtazakulovichVinogradov Evgenij NikolaevichKopyl'Tsov Aleksej EfimovichSokolov Aleksandr NikolaevichKosenkov Jurij IvanovichGurkin Mikhail AndreevichMozharenko Nikolaj MikhajlovichVyshinskaja Elena Dmitrievna

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

BLAST FURNACE TUYERE COOLING Russian patent published in 2014 - IPC C21B7/16

Abstract RU 2523368 C1

FIELD: metallurgy.

SUBSTANCE: proposed tuyere comprises hollow water-cooled casing and gas fuel feed nozzles extending into working blow channel arranged at inner barrel top part. Said nozzle feature round different-diameter cross-section and are arranged at 25-45 degrees to tuyere horizontal axis, smaller-diameter nozzle axis being directed to tuyere axis. Larger-diameter nozzle axis is directed to section making 1/2-1/3 of the length of tuyere inner barrel lower vertical radius. Cross-section of nozzles feature the ratio of (0.8-1.2):(1.3-1.7). Gas fuel feed nozzles are directed towards air blow flow at 115-135 degrees.

EFFECT: decreased coke consumption owing to better mixing of air with gas.

3 cl, 2 dwg

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RU 2 523 368 C1

Authors

Sukhanov Mikhail Jur'Evich

Karimov Mikhail Murtazakulovich

Vinogradov Evgenij Nikolaevich

Kopyl'Tsov Aleksej Efimovich

Sokolov Aleksandr Nikolaevich

Kosenkov Jurij Ivanovich

Gurkin Mikhail Andreevich

Mozharenko Nikolaj Mikhajlovich

Vyshinskaja Elena Dmitrievna

Dates

2014-07-20—Published

2013-01-24—Filed