Glass manufacturing – Processes – Fining or homogenizing molten glass
Patent
1994-01-31
1995-09-05
Jones, W. Gary
Glass manufacturing
Processes
Fining or homogenizing molten glass
651344, 651352, 651359, 65335, 65347, C03B 516, C03B 300, C03B 500
Patent
active
054475473
ABSTRACT:
A particle suspension furnace having an upper injector section, an intermediate combustion section and a lower separation section. The injector section comprises a central fuel conduit for supplying a rich fuel/air mixture to a burner at the base of the injector section, and a concentric annular mixing chamber for supplying a mixture of reactive or meltable batch particles and oxygen to the burner. The fuel-rich burner flame diffuses radially-outwardly to consume the peripherally-supplied oxygen and form an oxygen/fuel combustion mixture having a predetermined selected stoichiometry which is variable above and below 1:1 stoichiometry depending upon whether a reducing or oxidizing atmosphere is desired. The suspended particles absorb heat to quench the burner temperature and reduce the NO.sub.x pollutant formation.
REFERENCES:
patent: 2455907 (1948-12-01), Slayter
patent: 4631080 (1986-12-01), Westra et al.
patent: 5236484 (1993-08-01), McNeill
Chatwani Ashok
Goldfarb Victor
McClaine Andrew W.
Stancato Joseph
Stickler David
Gas Research, Inc.
Griffin Steven P.
Jones W. Gary
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