Process and immersion lances for introducing oxygen into a metal

Details Process and immersion lances for introducing oxygen into a metal Process and immersion lances for introducing oxygen into a metal

1974-03-01

1976-03-23

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 59, C21C 534

Patent

active

039458202

ABSTRACT:
Immersion lances for refining metal melts in hearth type vessels including open hearth and electric furnaces. The lances are movable into and out of the metal melt and comprise an oxygen pipe, a cooling medium pipe surrounding the oxygen pipe and a refractory casing which is wear resistant, temperature resistant and chemically resistant to the operating surroundings. The process of refining using such lances is also described.

REFERENCES:
patent: 1968917 (1934-08-01), Soldatoff
patent: 3330645 (1967-07-01), DE Moustier
patent: 3706549 (1972-12-01), Knuppel
patent: 3771998 (1973-11-01), Knuppel

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