Open-hearth furnace

Details Open-hearth furnace Open-hearth furnace

1982-06-11

1983-08-02

Rutledge, L. Dewayne

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

Reverberatory refining vessel, e.g., open hearth

75 60, C21C 504

Patent

active

043961789

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 et al.
patent: 3861905 (1975-02-01), Steinmetz et al.
patent: 3945820 (1976-03-01), Brotzmann et al.
patent: 3999977 (1976-01-01), Kolb et al.

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