Means for injecting gas into a molten metal

Details Means for injecting gas into a molten metal Means for injecting gas into a molten metal

1978-01-30

1979-12-18

Dost, Gerald A.

Metallurgical apparatus

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

By means introducing treating material

266220, C22B 2106, C21C 700

Patent

active

041791037

ABSTRACT:
A gas delivery tube including tubular body portion of refractory material having a recess adjacent one end in which recess is housed a porous element for emitting small bubbles containing the gas. The body portion is provided with an internal gas inlet pipe, one end of which opens into an internal chamber in communication with said recess while at its other end the pipe terminates in means enabling it to be connected to a supply of gas.
The delivery tube is especially useful for degasifying aluminium, copper, and their alloys.

REFERENCES:
patent: 3033550 (1962-05-01), Harders
patent: 3053525 (1962-09-01), Leroy et al.
patent: 3503597 (1970-03-01), Kessler et al.
patent: 3565412 (1971-02-01), Moniot
patent: 3610602 (1971-10-01), Deacon et al.
patent: 3799522 (1974-03-01), Brant et al.

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