FIELD: making and cleaning glass forming materials.
SUBSTANCE: energy required for process is delivered by burning fossil fuel with at least one oxidizer (gas); combustion products are introduced below level of glass forming materials. Cleaning is performed at one stage by subjecting the articles to pressure below atmospheric. Cleaning is performed in foamed state at density of 0.5-2 g/cu cm.
EFFECT: enhanced compactness; increased productivity without impairment of quality of glass.
41 cl, 6 dwg
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| METHOD AND A DEVICE FOR MELTING AND REFINING OF GLASS MASS | 1999 |
|
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SU1836303A3 |
