Blast pipe for metallurgical converters

Details Blast pipe for metallurgical converters Blast pipe for metallurgical converters

1976-06-01

1977-08-30

Dost, Gerald A.

Metallurgical apparatus

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

Having means for simultaneously feeding diverse materials

266222, C21C 548

Patent

active

040450074

ABSTRACT:
A blast pipe is formed of a plurality of concentric tubes, the cross-sections of which are designed for the fluid flows required for the refining of a metal bath, which are used initially as a burner. A second tube adjacent an outermost tube, projects beyond the end of the outermost tube, and is provided with a row of orifices in the projecting portion. The end of the second tube is closed by a metal cap soldered to the second tube with a hard solder which melts at a predetermined temperature in relation to the metal of the bath to be refined.

REFERENCES:
patent: 2613737 (1952-10-01), Schweitert
patent: 2935128 (1960-05-01), Ferguson
patent: 3706520 (1972-12-01), Grimm et al.

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