Molten glass supply apparatus and process for producing glass formed article
A technology for molten glass and supply devices, which is applied in glass manufacturing equipment, manufacturing tools, glass production, etc., and can solve problems such as poor fluidity of molten glass
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[0117] Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0118] First, based on figure 1 , the schematic structure of the molten-glass supply apparatus which concerns on 1st Embodiment of this invention is demonstrated. Such as figure 1 As shown, the molten glass supply device 1 is equipped with: a melting kiln 2 that is equipped with an upstream end and melts glass raw materials; The characteristics) are supplied to the forming body of the forming device 3 for forming flat glass through the supply flow path 4 by the overflow wire drawing method. Specifically, the high-viscosity glass supplied here can be used by mass %, for example, containing SiO 2 60%, Al 2 o 3 15%, B 2 o 3 10%, CaO5%, BaO5%, SrO5% composition, the temperature corresponding to the viscosity of 1000 poise is about 1450 ℃ non-alkali glass. The clarification tank 5 communicating with the immediately downstream side of the melting kiln 2 at the upstrea...
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