Consumable injection lance

Details Consumable injection lance Consumable injection lance

1988-12-19

1989-08-01

McDowell, Robert

Metallurgical apparatus

Means for introducing fluent into vessel, e.g., tuyere

Having means for simultaneously feeding diverse materials

266225, 266270, C21C 532

Patent

active

048528609

ABSTRACT:
A consumable lance for injecting oxygen and other gases such as argon below the surface of a molten metal bath the lance comprising an upper manifold portion, a lower nozzle end portion, and a plurality of gas conveying conduits attached to a structural support assembly and encased within a protective refractory covering.

REFERENCES:
patent: 3976286 (1976-08-01), Thompson et al.
patent: 4084800 (1978-04-01), Butts et al.
patent: 4550898 (1985-11-01), LaBate, II
patent: 4779847 (1988-10-01), Rodway
patent: 4783058 (1988-11-01), Perri
patent: 4792125 (1988-12-01), Hand, Sr.

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