Glass manufacturing – Processes – Fining or homogenizing molten glass
Patent
1985-04-05
1986-10-14
McCarthy, Helen M.
Glass manufacturing
Processes
Fining or homogenizing molten glass
65 27, 501 27, 501 28, 501 29, 501 36, 501155, 501 73, C03B 516, C03C 1306
Patent
active
046170456
ABSTRACT:
A process for making a homogeneous melt for producing mineral wool insulation. This insulating material is made from waste products namely, bottom ash, cement kiln dust, slag, and waste from mineral wool production. These materials, along with a binder, are homogenized into a mixture. Thereafter, the process includes briquetting the mixture into agglomerated pieces. The agglomerates are then melted in a cupola furnace and the molten agglomerate is discharged into a receiver. Hot combustion gases are then passed into the melt or molten agglomerate to chemically homogenize the melt and heat the melt to a preselected temperature. Thereafter, the melt is converted into fibers using conventional practices.
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patent: 4365984 (1982-12-01), Gee
patent: 4405723 (1983-09-01), Kainzner et al.
patent: 4504544 (1985-03-01), Monaghan
patent: 4539034 (1985-09-01), Hanneken
patent: 4554002 (1985-11-01), Nicholson
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