Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By means introducing treating material
Patent
1989-03-09
1990-11-20
Kastler, S.
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
By means introducing treating material
266268, C21C 532
Patent
active
049712977
ABSTRACT:
Nozzles for a refining lance are presented which are spaced upwardly from the head of the lance and supply post-combustion oxygen to the space above a molten metal bath undergoing refining. Each of the nozzles has a mouthpiece with two parallel sharp edges which are arranged in planes passing substantially through the axis of the lance and which are connected by slightly rounded edges. Above the mouthpiece of each nozzle is a converging part.
REFERENCES:
patent: 3015481 (1962-01-01), Clingensmith
patent: 3488044 (1970-01-01), Shepherd
patent: 3627294 (1971-12-01), Hill
patent: 3972517 (1976-08-01), Kraizinger et al.
patent: 4427186 (1984-01-01), Buhrmann
patent: 4730814 (1988-03-01), Bock et al.
patent: 4746103 (1988-05-01), Takashiba et al.
Bock Andre
Decker Michel
Derungs Patrick
Heintz Carlo
Henrion Romain
Arbed S.A.
Kastler S.
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