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Application

98122185/02, 1998-11-30

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Start date

1998-11-30

(22)

Actual filing date

1998-11-30

(45)

Published

2000-04-20

(72)

Inventor

Koryshev A.N.Gnezdilov I.G.Kuznetsov A.E.Beshkinskij S.B.Jarikov I.S.Belkin G.A.Saprykin N.I.Grigor'Ev V.N.Krikunov N.I.

(73)

Holder

Ao Metallurgicheskij Kombinat"

METHOD FOR PREPARING BLAST FURNACE TUYERE FOR OPERATION Russian patent published in 2000 - IPC

Abstract RU 2147614 C1

FIELD: metallurgy. SUBSTANCE: method involves subjecting outer surface of furnace tuyere to metallic shotblasting; applying coat by gas-and-thermal method: first onto outer sleeve, then moving gradually to front end of tuyere; conducting thermal treatment at least 5 hours after application of coat. EFFECT: improved quality of tuyere, reduced labour consumption and increased efficiency. 4 cl, 1 dwg, 1 ex

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RU 2 147 614 C1

Authors

Koryshev A.N.

Gnezdilov I.G.

Kuznetsov A.E.

Beshkinskij S.B.

Jarikov I.S.

Belkin G.A.

Saprykin N.I.

Grigor'Ev V.N.

Krikunov N.I.

Dates

2000-04-20—Published

1998-11-30—Filed