Electric smelting furnace and associated charging equipment and

Details Electric smelting furnace and associated charging equipment and Electric smelting furnace and associated charging equipment and

1982-02-18

1983-08-30

Envall, Jr., Roy N.

Industrial electric heating furnaces

Arc furnace device

Charging or discharging

373 9, 373 81, 266142, 414173, F27D 312

Patent

active

044020830

ABSTRACT:
To save space in furnace installations and obtain an optimum continuous charging, an arrangement is disclosed in which electric smelting furnaces are arranged in a furnace bay unilaterally, close to the adjacent ladle bay and the associated charging equipment and bins are provided sequentially in a vertical zone between the crane runways of the two bays. Bins are filled with iron material, such as iron sponge, alloying mechanisms, and fluxing substances by a conveyor traveling thereabove. The contents of bins are delivered through conveying and metering devices which are provided between crane runways to a reversible conveyor extending at a lower level and equipped with discharge mechanisms and fed through a charging tube 1 into electric furnace. A traveling metering device is provided for adding alloying into the furnace, and fluxing material for subsequent treatment in the ladle, through charging tube. A housing encloses the furnace on all sides, to prevent emissions. The furnace bay may be completely separated from the adjacent ladle bay by a protective wall and by shutoff partitions which are provided at both sides of the bins.

REFERENCES:
patent: 3385584 (1968-05-01), Kemmetmueller
patent: 3634592 (1972-01-01), Pantke et al.
patent: 3746325 (1973-07-01), Freeberg et al.
patent: 3913898 (1975-10-01), Wolters
patent: 3936588 (1976-02-01), Asphaug et al.
patent: 3938788 (1976-02-01), Josten
patent: 4160117 (1979-07-01), Schempp

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