Filter unit and apparatus for desludging salt baths

Details Filter unit and apparatus for desludging salt baths Filter unit and apparatus for desludging salt baths

1994-11-21

1996-06-18

Andrews, Melvyn

Metallurgical apparatus

Having means for contacting a solid metalliferous material...

By immersing an article to be treated in bath of molten...

266227, C21D 146

Patent

active

055270182

ABSTRACT:
In a filter unit (25) and apparatus for desludging salt baths (1), which is flooded at least partially by the salt bath and is in working association with the upper end of a riser tube (23), the bath fluid to be desludged being driven, by means of a compressed air stream, for example, through the riser tube (23) toward the filter unit (9, 25), the filter cloth packet is made of woven wire of a nonferrous metal, preferably an alloy based on aluminum, nickel or titanium, and is surrounded by a filter frame (14), the frame (14) being shaped into a shallow, pyramidal frustum-shaped funnel (18) pointing toward the bottom of the vat, its apical bottom end being provided with a closable opening (19).

REFERENCES:
patent: 4448611 (1984-05-01), Grellet et al.
patent: 4714549 (1987-12-01), DiLeo
Zwicker, Titan und Titanlegierungen, Springer-Verlag Berlin, Heidelberg, New York 1974 pp. 539-561.
Aluminium Taschenbuch, Aluminuim-Verlag GmbH Dusseldorf, 1974, p. 319.
Volk, Nickel und Nickellegierungen, Springer-Verlag Berlin, Heidelberg, New York 1970 p. 357.

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