Sleeve for blowing solid materials into a molten metal bath and

Details Sleeve for blowing solid materials into a molten metal bath and Sleeve for blowing solid materials into a molten metal bath and

1986-02-19

1988-01-26

Rutledge, L. Dewayne

Metallurgical apparatus

Process

Tuyere operation

266270, C21C 548

Patent

active

047212870

ABSTRACT:
The invention relates to a sleeve for blowing solid materials into molten metal baths, specifically molten steel baths, through the wall of a ladle containing the molten metal bath. To improve the characteristics of such a sleeve, the invention proposes that a forward sleeve section, facing the molten metal bath, be made of an insulating material with lower thermal conductivity than that of the material of the middle and rear sleeve section.

REFERENCES:
patent: 3395910 (1968-08-01), Holmes
patent: 4331471 (1982-05-01), Langenfeld et al.
patent: 4522376 (1985-06-01), Langenfeld

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