Method and device for manufacturing glass and products obtained with the aid of said method

A manufacturing method and equipment technology, applied in refining and homogenizing molten glass, rotary refining under low pressure, flat glass field, can solve problems such as not helping the uniformity of glass, and achieve the goal of improving refining quality, increasing output, and increasing output Effect

Inactive Publication Date: 2010-07-21
SAINT-GOBAIN GLASS FRANCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the thin film construction that is believed to improve the refining operation does not contribute to the good homogeneity of the glass

Method used

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  • Method and device for manufacturing glass and products obtained with the aid of said method
  • Method and device for manufacturing glass and products obtained with the aid of said method
  • Method and device for manufacturing glass and products obtained with the aid of said method

Examples

Experimental program
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Embodiment Construction

[0147] Figure 1 shows a vertical section through an apparatus according to the invention in an embodiment in which the feed container is located above the vacuum chamber.

[0148] The entire device, which has a height of approximately 2.50 m, can rotate about a vertical axis of rotation 6 indicated by dotted lines, the axis of rotation of which has a substantially cylindrical geometry. The device consists of an outer shell 13 of heat-resistant steel and a platinum lining 14 of platinum with an inner diameter of 150 mm (diameters in the range of 50 to 300 mm are particularly suitable for the device of the invention). The application of the device and the constituent features of the device can thus be described.

[0149] Unrefined molten glass of the soda-lime-silica type was obtained in a furnace comprising two submerged burners, a feeder at substantially atmospheric pressure and a temperature of 1,400°C and at Melting takes place at a position remote from the axis of rotation...

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Abstract

The invention relates to a device which can be rotationally displaced about an axis (6) in order to fine and homogenize glass, comprising a receptacle (1) which is used to receive the molten glass that is to be treated; a depressurizing compartment (2) and at least one opening through which the glass can exit (5, 19); also comprising a means for dispatching (7, 8, 17, 18) the molten glass from the feeder receptacle (1 ) to the depressurizing compartment (2). The invention also relates to a method for the production of substrates, implementing the device according to the invention, and substrates produced therewith.

Description

technical field [0001] The invention relates to a method of manufacturing glass, in particular flat glass, and to an apparatus for carrying out the method. [0002] More specifically, the present invention relates to new methods of refining and homogenizing molten glass, particularly rotary refining at low pressure. The object of the invention is also novel glass substrates obtainable by this method. Background technique [0003] The quality of glass, especially flat glass, is a major preoccupation for glass manufacturers. Quality can be manifested in the absence of gaseous and solid content (refractory materials and unmelted or weakly fused batch materials), perfect chemical homogeneity and perfect surface finish (low non-planarity and low roughness, especially microscopic roughness low degree, as defined below), this quality is particularly required for applications in the automotive industry and more applications in the electronics field. In applications in the electro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03B5/225C03B5/187C03C3/087C03C3/089C03C3/091G02F1/1333H01J11/10H01J11/34
CPCG02F2001/133302H01J11/10H01J11/34C03B5/2252C03B5/2255C09K2323/00G02F1/133302Y10T428/24479Y10T428/31Y02P40/57C03B5/187C03B5/225C03C3/087C03C3/089
Inventor 皮埃尔·让瓦纳罗蒙·罗德里格斯夸尔塔斯路易斯·格里哈尔瓦戈伊科切亚
Owner SAINT-GOBAIN GLASS FRANCE
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