Refractory products formed by grains bound by carbon residues and metal silicon in powder form and process for the production thereof
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United States of America Patent
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Oct 1, 1985
Grant Date -
N/A
app pub date -
Jul 10, 1984
filing date -
Dec 8, 1982
priority date (Note) -
Expired
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Abstract
The invention concerns a fired refractory product based on refractory grains and binder, and process for the production thereof. The refractory product comprises a charge of refractory grains belonging to the group comprising carbonaceous products such as anthracite, natural graphite, artificial graphite, amorphous carbon, coke, refractory compounds known as RHM such as silicon carbide and refractory oxides such as alumina, corundum, magnesia, silica and chromium oxide, taken separately, in mixture or in combination; said grains are secured together by a cement based on a coked carbonaceous product and metal silicon in powder form; and the final proportion of metal silicon is from 1 to 15.8% and preferably from 3 to 10.5%. The product is intended for the manufacture of side linings for tanks for the production of aluminum by igneous electrolysis, and linings for blast furnaces and electric furnaces for electrometallurgy operations.
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