Glass manufacturing – Processes – Fining or homogenizing molten glass
Patent
1986-09-16
1987-11-24
Kellogg, Arthur
Glass manufacturing
Processes
Fining or homogenizing molten glass
65135, 65161, 65346, 65347, 431 10, 431 12, 431167, C03B 504
Patent
active
047087285
ABSTRACT:
Device for improving the heating of a channel (2) for distribution of glass (1), said device including a cylindrical duct (6) connected at its upstream end to means (7) for feeding a premixture of air and fuel gas and whose downstream end (8) opens inside a cylindrical bore (9) in a refractory block (10) inserted in a wall (11) of the channel, said cylindrical bore (9) extending by means of a coaxial cylindrical duct (12), of smaller diameter than that of said bore, the cylindrical channel (6) being surrounded by a sealing ring (13) which covers the face of the cylindrical bore (9) in which said channel (6) is inserted. According to the invention, the device comprises a capillary tube (20) coaxially disposed with respect to said duct (6) and whose diameter is smaller than the diameter of said duct (6), said capillary tube (20) being connected at its upstream end to oxygen feeding means (21) opening at the downstream end (8) of said duct (6) between the end (22) of the coaxial cylindrical duct located toward said channel and the downstream end (8) of said duct (6).
REFERENCES:
patent: 2499207 (1950-02-01), Wolfersperger
patent: 3321288 (1967-05-01), Griem, Jr.
patent: 3733165 (1973-05-01), Nakagawa et al.
patent: 3954433 (1976-05-01), Holler
Desprez Marc
Roux Michel
Kellogg Arthur
L'Air Liquide
Robinson, Jr. Lee C.
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