Apparatus and method for in-line degassing and filtration of mol

Details Apparatus and method for in-line degassing and filtration of mol Apparatus and method for in-line degassing and filtration of mol

1976-02-02

1977-06-28

Dost, Gerald A.

Metallurgical apparatus

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

By means introducing treating material

266231, 266217, C22B 902, C22B 910

Patent

active

040321240

ABSTRACT:
The disclosure teaches an improvement in the degassing and filtration of molten metal, especially aluminum, using an apparatus which employs a pair of sequentially placed, removable filter-type plates and at least one fluxing gas inlet positioned therebetween. Fluxing gas is provided to the melt through the inlet and flows upward through the first of said plates into counter-current contact with the melt. Said plate serves to break up said fluxing gas into a fine dispersion to assure its intimate and extensive contact with the melt. Dissolved gases and non-metallic inclusions are thereby abstracted and removed from the melt.

REFERENCES:
patent: 3737304 (1973-06-01), Blayden et al.
patent: 3753690 (1973-08-01), Emley et al.

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