Introduction of substances into molten metal

Details Introduction of substances into molten metal Introduction of substances into molten metal

1983-02-10

1984-09-11

Rosenberg, Peter D.

Metallurgical apparatus

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

With flow control means or internal flow guide

75 53, 75 58, 75 60, 75130BB, C21B 716

Patent

active

044705824

ABSTRACT:
A valve assembly for insertion into the bottom of a ladle for molten metal comprises refractory upper and lower parts defining a flow passage with an enlarged central region containing a valve head. The valve head is moved by a spindle to control the flow of gas injected through the valve into the metal.

REFERENCES:
patent: 4093452 (1978-06-01), Spenceley
patent: 4232854 (1980-11-01), Barbakadze
patent: 4308057 (1981-12-01), Ono

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