Method of operating an open-hearth furnace

Details Method of operating an open-hearth furnace Method of operating an open-hearth furnace

1981-03-12

1982-08-31

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 60, 266214, C21C 700

Patent

active

043470793

ABSTRACT:
Oxygen is blown into an open hearth furnace beneath the surface of the molten metal through a jacketed tuyere, each tuyere angled toward the center of the furnace. A high volume of jacketing coolant is injected through two separate annular passageways around the oxygen to form a large skull around the tuyere. Apparatus is also disclosed for carrying out the process.

REFERENCES:
patent: 3859078 (1975-01-01), Haysom
patent: 3861905 (1975-01-01), Steinmetz
patent: 3945820 (1976-03-01), Brotzmann
patent: 3999977 (1976-12-01), Kolb

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