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Stirring device for molten glass

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: 2015-12-30
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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  • Stirring device for molten glass
  • Stirring device for molten glass
  • Stirring device for molten glass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

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

[0142] In this example, the evaluation image 3 the case shown, that is, configured with figure 2 The behavior of the molten glass flow in the molten glass conveying tube of the molten glass stirring device 20 shown, and evaluated Figure 4 the case shown, that is, configured with figure 1 The action of the molten glass flow in the molten glass conveyance pipe of the molten glass stirring apparatus 10. However, in order to clarify the difference caused by the presence or absence of the ring blade 14, the Figure 4The ring blade 14 in the shown molten glass stirring device 10 and the stirring blades 13 and image 3 In the illustrated molten glass stirring device 20, the stirring blade 23 located at the same position as the ring blade of the molten glass stirring device 10 in the axial direction of the center shaft 21 evaluated the m...

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Abstract

Provided is a stirring device for glass that can suppress the slipping through of molten glass in the vicinity of a delivery tube wall surface and is superior for stirring operations for the molten glass within a molten glass delivery tube. The stirring device for molten glass, which stirs the molten glass within the molten glass delivery tube, is constituted of a rotatable center shaft and a stirring unit provided on that center shaft. The stirring unit is constituted of stirring fins and ring fins. Two or more stirring fins are provided on the stirring unit in the axial direction of the center shaft, and two or more stirring fins are provided in the circumferential direction of the center shaft. One or more ring fins is provided on the stirring unit in the axial direction of the center shaft.

Description

technical field [0001] The present invention relates to melting of molten glass by stirring the molten glass in a molten glass conveying pipe for conveying molten glass, particularly in a molten glass conveying pipe with a high conveyance amount of molten glass such as a plate glass manufacturing apparatus for large flat panel displays (FPDs). Glass stirring device. Background technique [0002] Conventionally, for the purpose of improving the homogeneity of the molten glass, a stirring device is installed in a molten glass conveying tube for conveying the molten glass, and the molten glass is stirred. The homogeneity of molten glass is greatly influenced by the transparency, thickness, etc. of the produced glass. [0003] The stirring device is generally composed of a center shaft serving as a rotation center, and a stirring part having stirring blades attached around the center shaft. [0004] In order to sufficiently homogenize the conveyed molten glass, when the molten...

Claims

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Application Information

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Patent Type & Authority Applications(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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