Reduction furnace with inner heating containers for producing direct induction iron
A technology of reducing iron and reducing furnace, which is applied in the field of heating liner reducing furnace for direct reduction iron production, can solve the problems of backward equipment level, high product cost, poor sales, etc., and achieves prevention of excessive heating temperature and excellent environmental protection performance. , the effect of reducing production costs
Inactive Publication Date: 2013-02-06
邹建明
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Abstract
The invention discloses a reduction furnace with inner heating containers for producing direct induction iron. The reduction furnace structurally comprises a furnace body, and is characterized in that a fire-resistant insulating heat-insulation layer (6) is arranged on the outer wall of the furnace body, the inner heating containers (3) are arranged in the fire-resistant insulating heat-insulation layer (6) and connected with conductive devices (7), a feed inlet (5) is arranged on the top of the furnace body, and a discharge outlet (1) is arranged at the bottom of the furnace body. After being mixed with balance carbon (used as a reducing agent), solid optional-grade iron ores in optional shapes can be directly reduced into sponge iron by the reduction furnace. The reduction furnace has the advantages that limitation on the grades of the iron ores and the quality and the varieties of coal are cast off, materials used by the reduction furnace are abundant, the reduction furnace is simple in structure, reliable in technique and excellent in environmental performance, the production cost is greatly lowered, and particularly, an additional value is increased in a production process.
Application Domain
Electric furnace
Technology Topic
CoalInsulation layer +4
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