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2 635 489

(13)

(51)

IPC

C21B7/16(2006-01-01)

(21) (22)

Application

2016128647, 2016-07-14

(24)

Start date

2016-07-14

(22)

Actual filing date

2016-07-14

(45)

Published

2017-11-13

(72)

Inventor

Radyuk Aleksandr GermanovichTitlyanov Aleksandr EvgrafovichTarasov Yurij Sergeevich

(73)

Holder

Federalnoe Gosudarstvennoe Avtonomnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Issledovatelskij Tekhnologicheskij Universitet

METHOD FOR PREPARING BLAST FURNACE AIR TUYERE FOR OPERATION Russian patent published in 2017 - IPC C21B7/16

Abstract RU 2635489 C1

FIELD: metallurgy.

SUBSTANCE: cleaning of outer sleeve and blasting part by the metal shot, spraying of the aluminium-containing gas-thermal coating on them, installation of a heat-insulating insert in the inner sleeve with an air gap therebetween and heat treatment. Heat treatment of the tuyere with the coating is carried out before the insert installation. After the insert is installed, it is pressed by ring on the flange side, which is welded to the inner sleeve.

EFFECT: extension of insert service life.

1 dwg

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RU 2 635 489 C1

Authors

Radyuk Aleksandr Germanovich

Titlyanov Aleksandr Evgrafovich

Tarasov Yurij Sergeevich

Dates

2017-11-13—Published

2016-07-14—Filed