Plasma fired cupola

Details Plasma fired cupola Plasma fired cupola

1987-05-08

1988-10-25

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 1012, 75 44S, C22B 400

Patent

active

047801328

ABSTRACT:
A plasma-fired cupola may be operated at very low gas flow levels in the range of 0.9 SCFM per sq. inch of cupola cross-sectional area and with recirculated off-gas substantially reducing the rate at which coke is burned thus reducing the sulfur content of the iron produced also alloying elements may be added as ferrous-alloys or as alloy oxides through the plasma torch with or without recirculated off-gas and/or pulverized coke to rapidly change the chemical composition of the iron being formed.

REFERENCES:
patent: 4530101 (1985-07-01), Fey
patent: 4707183 (1987-11-01), Michard

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