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Molten glass stirring device

A technology for molten glass and stirring device, which is applied in the direction of stirring device, mixer with rotary stirring device, glass furnace equipment, etc., can solve the problem that the effect of slippage suppression cannot be said to be sufficient, and achieves high transparency and excellent stirring effect. , the effect of high flatness

Active Publication Date: 2018-03-30
ASAHI GLASS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, even with this stirring device, the effect of suppressing slippage near the wall surface of the flow path cannot be said to be sufficient.

Method used

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  • Molten glass stirring device
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0141] In this example, evaluation was performed by simulating the behavior of molten glass conveyed in a molten glass conveying pipe.

[0142] In this example, evaluated image 3 The situation shown, that is, the configuration has figure 2 The behavior of the molten glass flow in the molten glass conveying pipe of the molten glass stirring device 20 shown, and evaluated Figure 4 The situation shown, that is, the configuration has figure 1 Of the molten glass flow in the molten glass conveying pipe of the molten glass stirring device 10. However, in order to clarify the difference caused by the presence or absence of the ring blade 14, the Figure 4 The ring blade 14 in the molten glass stirring device 10 shown and the stirring blade 13 and the stirring blade on the inner side of the ring blade 14 image 3 In the molten glass stirring device 20 shown, the stirring blade 23, which is at the same position as the ring blade of the molten glass stirring device 10 in the axial directi...

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Abstract

Provided is a glass stirring device capable of suppressing slipping of molten glass in the vicinity of the wall surface of a transfer pipe and having an excellent stirring action of the molten glass in the transfer pipe for molten glass. A molten glass stirring device for stirring the molten glass in a molten glass conveying pipe, wherein the molten glass stirring device is composed of a rotatable central shaft and a stirring part provided on the central shaft, and the stirring part is composed of a stirring blade and ring blades, two or more stirring blades are arranged on the stirring part along the axial direction of the central axis, and two or more stirring blades are arranged along the circumferential direction of the central axis, and the stirring One or more ring blades are arranged on the part along the axial direction of the central axis.

Description

Technical field [0001] The present invention relates to the melting of molten glass by stirring the molten glass in a molten glass conveying pipe for conveying molten glass, especially in a molten glass conveying pipe with a high conveying capacity such as a plate glass manufacturing device for large flat panel displays (FPD) Glass stirring device. Background technique [0002] Conventionally, for the purpose of improving the homogeneity of molten glass, a stirring device is installed in a molten glass conveying pipe that conveys molten glass, and the molten glass is stirred. The homogeneity of molten glass is greatly affected by the transparency and thickness of the produced glass. [0003] The stirring device is generally composed of a central shaft that becomes a rotation center and a stirring part having stirring blades installed around the central shaft. [0004] In order to sufficiently homogenize the molten glass being conveyed, when the molten glass passing through the molt...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03B5/187F27D27/00
CPCF27D27/00C03B5/1875F27D2003/0083B01F27/0724B01F27/1121B01F27/116B01F27/13B01F27/192B01F27/50
Inventor 广濑元之
Owner ASAHI GLASS CO LTD
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