Glass melter, modification method for glass blank, production method for molten glass, production method for glassware, and production apparatus for glassware
A technology of glass melting furnace and melting glass, which is applied in glass manufacturing equipment, glass furnace equipment, manufacturing tools, etc. It can solve the problems of waste, intermediate color glass cannot be used as a product, and long time, etc., and achieve the effect of simple equipment
Inactive Publication Date: 2013-07-31
ASAHI GLASS CO LTD
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Problems solved by technology
However, in the case of this method, when another colored glass having a different composition is produced following the production of the previous colored glass, the previous colored glass in the melting tank must be removed, and the half-colored glass being exchanged cannot usually be used as a product. , so there is a problem that there is a lot of waste, or it takes a long time until the color is changed
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[0063] Below, an embodiment of the glass melting furnace, the modification method of glass blank, the manufacturing method of molten glass, the manufacturing method of glass products and the manufacturing device of glass products of the present invention will be described with reference to the accompanying drawings, but the present invention is not limited in the following embodiments.
[0064] figure 1 It is a vertical sectional view schematically showing one embodiment of the glass melting furnace of the present invention, figure 2 (a) is figure 1 A longitudinal sectional view of a forehearth of a glass melting furnace shown, figure 2 (b) is a top sectional view of the main part of the same forehearth except the ceiling part, image 3 (a) is figure 2 (b) shows a schematic cross-sectional view along the line A-A' of the forehearth, image 3 (b) is a schematic cross-sectional view of the same forehearth along line B-B'. Figure 1 ~ Figure 3 The glass melting furnace...
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Abstract
Objective of the present invention is to provide a glass melting furnace, a process for modifying a glass melt and a process for producing glass melt, whereby composition-modified glass melt containing an additive component at a high concentration can be produced with an excellent quality. The glass melting furnace 10 of the present invention is a glass melting furnace 10 for adding an additive to a molten state glass to form composition-modified glass melt, discharging the composition-modified glass melt, and a forehearth 20, said forehearth comprising a feed portion to feed an additive, and a heating means to form a heating gas phase portion above the liquid surface of the glass melt to convert the additive from the feed portion into melted particles of additive below the feed portion.
Description
technical field [0001] The present invention relates to a glass melting furnace, a method for modifying a glass blank, a method for manufacturing molten glass, a method for manufacturing glass products and a device for manufacturing glass products. Background technique [0002] With the demand for energy saving in recent years and the reduction of CO 2 The windows of automobiles tend to be darkened in order to shield solar radiation heat. This is because, by reducing the heat energy intruding into the vehicle interior, it is possible to suppress the temperature rise in the vehicle interior and improve the efficiency of the air conditioner, thereby achieving the effect of reducing the emission of greenhouse gases. Particularly in recent years, glass with extremely high heat-shielding properties tends to be required. [0003] In order to improve the heat shielding properties of glass, countermeasures such as forming a reflective film on the surface of the glass have been tak...
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IPC IPC(8): C03B5/173C03B3/02C03B5/04C03B5/235C03B7/02F27B3/20
CPCC03B3/026C03B5/04C03B7/065C03B5/173C03B7/06C03C1/105C03B5/235Y02P40/50C03B3/02C03B7/02F27B3/20
Inventor 石川丰田中千禾夫
Owner ASAHI GLASS CO LTD