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US 2006/0125160 A1Published application
Compact micro-porous media degasser
AssigneePoevair PLC
InventorLeonard Aubrey
Life of this patent
Estimating the term…
Abstract
A degasser (10) for molten metal with a microporous plate (11). The microporous has at least one internal passageway (13) and an interface tube (12) attached to the microporous plate in flow communication with the internal passageway.
Claims31
A degasser for molten metal comprising:
- a microporous plate comprising a first internal passageway and a second internal passageway;
- a first nonporous interface tube attached to said microporous plate in flow communication with said first internal passageway and a second nonporous interface tube in flow communication with said second internal passageway.
A method for purifying molten metal comprising the steps of:
- melting metal to form molten metal;
- passing said molten metal through a containment vessel wherein said containment vessel comprises a degasser and wherein said degasser comprises a microporous plate comprising at least one internal passageway and a nonporous interface tube attached to said microporous plate in flow communication with said internal passageway;
- passing a purge gas into said microporous plate;
- and
- removing hydrogen from said microporous plate through said interface tube.
2 more elements
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.
1 more element
Dependencies are inferred from the claim text.