HEAT-INSULATION MIX FOR STEEL-TEEMING LADLE Russian patent published in 2010 - IPC B22D11/111 B22D41/00 

Abstract RU 2393050 C1

FIELD: process engineering.

SUBSTANCE: proposed mix can be used for heat insulation of metal mirror in steel-teeming and tundish ladles. Proposed mix comprises expanded perlite and dusty wastes of dust-free coke discharge of the following fractional composition: 0÷0.1 mm - 6-10%, 0.1÷0.25 mm - 47-50%, 0.25 ÷ 0.5 mm - 25.8-26.8%, 0.5 ÷ 3.0 - 10.7-16.7, >3.0 mm - less than 1.2%. Carbon content in dusty wastes makes at least 82%, ash content is less than 9.7%, moisture content does not exceed 0.8%. Mix components are taken in the following ratio, wt %: Perlite - 52.63-63.16, dusty wastes of dust-free coke discharge - 36.84-47.37.

EFFECT: higher heat-insulation capacity.

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RU 2 393 050 C1

Authors

Jur'Ev Aleksej Borisovich

Mukhatdinov Nasibulla Khadiatovich

Kozyrev Nikolaj Anatol'Evich

Bojkov Dmitrij Vladimirovich

Tokarev Andrej Valer'Evich

Shishin Andrej Gennad'Evich

Dates

2010-06-27Published

2009-06-30Filed