Refining liquid metal

Details Refining liquid metal Refining liquid metal

1976-07-20

1978-06-06

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 58, 75 60, 75 93R, 75129, C21C 700, C21C 706

Patent

active

040934527

ABSTRACT:
A method and apparatus for treating a bath of liquid iron or steel by submerged injection of a gas or gas-entrained particulate re-agents. Injection is through a tuyere occludable either by a stopper rod assembly or by a sliding gate valve and the bath treatment may include desulphurizing, deoxidizing, alloying or sulphide modifying.

REFERENCES:
patent: 3574596 (1971-04-01), Lohman
patent: 3737303 (1973-06-01), Blayden
patent: 3741751 (1973-06-01), Bone
patent: 3771998 (1973-11-01), Knuppel

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