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2 633 685

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(51)

IPC

C21B7/16(2006-01-01)

(21) (22)

Application

2016150356, 2016-12-20

(24)

Start date

2016-12-20

(22)

Actual filing date

2016-12-20

(45)

Published

2017-10-16

(72)

Inventor

Vinogradov Evgenij NikolaevichKarimov Mikhail MurtazakulovichKosenkov Yurij IvanovichVolkov Evgenij AleksandrovichTitlyanov Aleksandr EvgrafovichRadyuk Aleksandr Germanovich

(73)

Holder

Publichnoe Aktsionernoe Obshchestvo

BLAST-FURNACE AIR TUYERE Russian patent published in 2017 - IPC C21B7/16

Abstract RU 2633685 C1

FIELD: metallurgy.

SUBSTANCE: air tuyere of the blast-furnace comprises a heat insulating insert in a blow duct mounted with an air gap with respect to an inner cup, wherein the outer radius of the insert is determined considering thermal expansion of insert material and material of the inner cup.

EFFECT: resistance of the heat-insulating insert is increased during operation.

2 ex, 1 dwg

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RU 2 633 685 C1

Authors

Vinogradov Evgenij Nikolaevich

Karimov Mikhail Murtazakulovich

Kosenkov Yurij Ivanovich

Volkov Evgenij Aleksandrovich

Titlyanov Aleksandr Evgrafovich

Radyuk Aleksandr Germanovich

Dates

2017-10-16—Published

2016-12-20—Filed