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US 7,585,455 B2Granted
Compact micro-porous media degasser
AssigneePorvair PLC
InventorLeonard S. Aubrey
Life of this patent
Estimating the term…
Abstract
A degasser (10) for molten metal with a microporous plate (11). The microporous plate has at least one internal passageway (13) and an interface tube (12) attached to the microporous plate in flow communication with the internal passageway.
Claims8
An apparatus for purifying molten metal comprising:
- a containment vessel comprising an inlet throat and an outlet throat;
- a degasser between said inlet throat and said outlet throat wherein said degasser comprises a microporous plate comprising at least one internal passageway and at least two nonporous interface tubes attached to said microporous plate in flow communication with said internal passageway wherein purge gas is introduced into a first nonporous interface tube of said nonporous interface tubes and exhausted from a second nonporous interface tube of said nonporous interface tubes;
- and
- further comprising a vacuum assist attached to said second nonporous interface tube.
1 more element
An apparatus for purifying molten metal comprising:
- a containment vessel comprising an inlet throat and an outlet throat;
- and
- a degasser between said inlet throat and said outlet throat wherein said degasser comprises a microporous plate comprising at least one internal passageway and at least two nonporous interface tubes attached to said microporous plate in flow communication with said internal passageway wherein said at least two nonporous interface tubes are arranged in purge relationship.
Dependencies are inferred from the claim text.