Apparatus for shielding a molten metal stream

Details Apparatus for shielding a molten metal stream Apparatus for shielding a molten metal stream

1984-10-29

1988-03-15

Rutledge, L. Dewayne

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

With means to discharge molten material

222603, B22D 4108

Patent

active

047308125

ABSTRACT:
An apparatus for shielding from the surrounding air a stream of molten metal being discharged from a discharge sleeve of a metallurgical vessel includes a tuyere-like adapter device mounted about the discharge sleeve. The tuyere-like adapter device is supplied with a pressurized inert gas and is constructed to produce a hollow jet of inert gas having a maximum length of approximately 20 cm as a gaseous shield surrounding a molten metal stream discharged from the discharge sleeve.

REFERENCES:
patent: 3831857 (1974-08-01), Scott
patent: 4270595 (1981-06-01), Coward
patent: 4429816 (1984-02-01), Thrower
patent: 4480770 (1984-11-01), Goursat et al.

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