Method of manufacturing melted iron oxide

Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing

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75 11, C01G 4902

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active

042371112

ABSTRACT:
The present invention relates to a method of manufacturing molten iron oxide in which magnesite is first rammed between the furnace wall and in a mold of sheet iron to form a lining. The lining is sintered by inserting cast iron or steel into the mold and melting the cast iron or steel at 1600.degree.-1900.degree. C. The major amount of the thus-melted iron steel material is poured out of the furnace and the remaining melt is converted to iron oxide by adding a charge of iron oxide to the furnace and the temperature of the mixture is adjusted such that a solid and melted material is formed within the furnace by regulating the electrical power supply, the mixture is stirred sufficiently to render the temperature of the mixture uniform throughout and then a major amount of the iron oxide melt thus-formed is charged and melted and stirred according to the same porcedure outlined above until the lining has to be changed. According to this procedure, the lining can be used for a long time without deterioration.

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