Glass melting method
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United States of America Patent
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Nov 12, 1996
Issued Date -
N/A
app pub date -
Aug 10, 1994
filing date -
Mar 7, 1991
priority date (Note) -
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status (Latency Note)
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Abstract
A glass melter 30 having a mixing impeller 34 for converting a feed stream 38 supplied to a vessel 32 into a vitrified glass melt 50. Heating means such as electrodes 36 or a gas burner 58 are used to heat the glass melt 50. Electrode 36 arrangements are proposed for minimizing current flow through the impeller 34. Current flow through a special continuous circular impeller or conical pump 70 is disclosed. A cylindrical vessel 98, triangular vessel 94, square vessel 32, and hexagonal vessel 96 are disclosed. Methods of processing particular waste streams are disclosed including coated mineral fibers, ash, radioactive material, chemical waste and the like.
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