Bottom tuyeres in an oxygen top-blown converter

Details Bottom tuyeres in an oxygen top-blown converter Bottom tuyeres in an oxygen top-blown converter

1981-02-17

1982-10-12

Rosenberg, P. D.

Metallurgical apparatus

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

75 59, 75 60, C21C 558

Patent

active

043535330

ABSTRACT:
A tuyere for blowing an agitating gas into molten steel is arranged in the bottom of an oxygen top-blown converter in order to improve the refining effect of molten steel and has a ratio of blow sectional area S (cm.sup.2) to inner peripheral length L (cm) of not more than 0.17, preferably not more than 0.125.

REFERENCES:
patent: 3781002 (1973-12-01), Courard
patent: 3854932 (1974-12-01), Bishop
patent: 4280838 (1981-07-01), Marukawa

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