Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By providing – treating or protecting environment – e.g. – vacuum
Patent
1982-01-04
1983-06-21
Rutledge, L. Dewayne
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
By providing, treating or protecting environment, e.g., vacuum
266142, 266165, C21B 710
Patent
active
043890423
ABSTRACT:
A vacuum degassing apparatus has first and second degassing vessels each separately mounted for independent horizontal movement from a first operative position to a second repair position. In addition, each vessel is independently mounted for vertical movement in each position so that a pair of nozzles extending from its lower end to be immersed into a ladle of hot metal when the vessel is at its operative position whereby a degassing operation may be performed. Also, when the vessel is in its repair position, it may be lowered to permit repair or replacement of the nozzles or the vessel bottom as may be required. A vacuum conduit is pivotally connected to each vessel and to a fixed vacuum conduit to maintain the vacuum connection while the vessel is being moved into and out of its various positions.
REFERENCES:
patent: 3756584 (1973-09-01), Meuissen
Brody Christopher W.
Lectromelt Corporation
Rutledge L. Dewayne
Wiviott Fred
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