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2 188 179

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IPC

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Application

2000124546/03, 2000-09-26

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Start date

2000-09-26

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Actual filing date

2000-09-26

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Published

2002-08-27

(72)

Inventor

Nevolin V.M.Zotkina N.A.Bazegskij A.E.Denisov Ju.M.Kolobaeva D.I.P'Janykh E.V.Shkoller M.B.Portnov L.V.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

REFRACTORY BODY FOR PLUGGING OF BLAST-FURNACE TAPHOLES Russian patent published in 2002 - IPC

Abstract RU 2188179 C2

FIELD: compositions of refractories, particularly, refractory bodies for stopping of pig iron tapholes of blast furnaces. SUBSTANCE: refractory body contains, mas.%: grog, 10-15; fireclay, 18-23; ground coke, 33-38; polymerized wash oil, 20-25; pitch-like product, 8-13. Pitch-like product is obtained by mixing of coal organic mass with fraction of coals tar in presence of iron components as catalysts, heating of mixture up to 300-400 C and dwelling under pressure of own gases. EFFECT: production of refractory body with optimal properties, low cost and harmless for ecology. 2 tbl

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RU 2 188 179 C2

Authors

Nevolin V.M.

Zotkina N.A.

Bazegskij A.E.

Denisov Ju.M.

Kolobaeva D.I.

P'Janykh E.V.

Shkoller M.B.

Portnov L.V.

Dates

2002-08-27—Published

2000-09-26—Filed