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Glass melting furnace and glass manufacturing method

A technology for glass melting furnaces and melting tanks, applied in glass manufacturing equipment, glass furnace equipment, manufacturing tools, etc., can solve problems such as energy efficiency decline, and achieve the effect of suppressing energy efficiency decline

Active Publication Date: 2021-03-12
ASAHI GLASS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a problem that the energy efficiency is lowered

Method used

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  • Glass melting furnace and glass manufacturing method
  • Glass melting furnace and glass manufacturing method
  • Glass melting furnace and glass manufacturing method

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach ”

[0060] Regarding the first embodiment of the glass melting furnace of the present invention, refer to figure 1 and figure 2 Be explained.

[0061] The structure of the glass melting furnace 10 is demonstrated.

[0062] Such as figure 1 As shown, the glass melting furnace 10 of the present embodiment includes a melting tank 20 into which glass raw materials are supplied, an upper structure 30 covering the upper side of the melting tank 20 , and a plurality of energization electrodes 50 separated from each other. A supporting structure 40 is provided outside the melting tank 20 . The support structure 40 supports the upper structure 30 .

[0063] The melting tank 20 and the upper structure 30 have shapes extending in the X-axis direction. figure 1 A cross-sectional view of a plane perpendicular to the X-axis direction is shown, the X-axis direction corresponds to the longitudinal direction of the melting tank 20 , and the Y-axis direction corresponds to the width direction...

no. 2 approach ”

[0095] Regarding the second embodiment of the glass melting furnace of the present invention, refer to image 3 Be explained. Hereinafter, only points different from the first embodiment will be described. The structure of the upper structure and support structure of 10 A of glass melting furnaces of 2nd Embodiment differs from 1st Embodiment.

[0096] The upper structure 30A includes a horizontal wall member 31A standing upward from the side wall portion 22 of the melting tank 20 and a ceiling member 32A arranged above the horizontal wall member 31A. Such as image 3 As shown, in a section perpendicular to the X-axis direction, the lateral wall member 31A extends up and down, and the ceiling member 32A has an arched shape. The horizontal wall member 31A includes a jaw portion 31Aa at a lower end, and an extending portion 31Ab extending upward at an upper end.

[0097] Such as image 3 As shown, the high resistance refractory material 33 is provided on the upper part of t...

no. 3 approach ”

[0106] Regarding the third embodiment of the glass melting furnace of the present invention, refer to Figure 4 Be explained.

[0107] The glass melting furnace 10B of the third embodiment is different from the first embodiment in that the structure and arrangement of the energization electrodes 51 are provided on the side wall portion 22 of the melting tank 20 . The energization electrode 51 has: a planar portion 51 a having a flat surface; and a penetration portion 51 b disposed so as to penetrate the side wall portion 22 . The planar portion 51a has a plane intersecting the direction in which the penetrating portion 51b penetrates. The planar portion 51a and the penetration portion 51b are made of conductors and are electrically connected to each other. The flat part 51a of each energization electrode 51 is arrange|positioned so that molten glass G may be inserted in the melting tank 20. While the penetration part 51b of each energization electrode 51 is electrically ins...

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Abstract

Disclosed are a glass melting furnace and a glass manufacturing method. The present invention relates to a glass melting furnace (10), comprising: a melting tank (20) into which glass raw material issupplied; and an energizing electrode (50) arranged in the melting tank (20) inside; a support structure (40), which is arranged outside the melting tank (20); a support unit (60), which has a support(61) arranged between a first insulator (62) and a second insulator (63), wherein the first insulator (62) and the second insulator are laminated; and the second insulator (63) is fixed to the supporting structure (40); and an upper structure (30) formed of conductive bricks, and supported by the support unit (60) via the first insulator (62) to cover the upper side of the melting tank (20).

Description

technical field [0001] The invention relates to a glass melting furnace and a glass manufacturing method. Background technique [0002] As one of the methods of melting glass raw materials, there is a method of inserting a pair of electrodes facing each other into a melting tank to conduct electricity. When an AC voltage is applied between the electrodes to conduct electricity, Joule heat is generated, and thus the glass raw material is heated to increase its temperature, and the glass raw material can be melted. The electric heating of glass raw material was performed using the glass melting furnace which has electrodes in a melting tank. [0003] As an example of such a glass melting furnace, for example, Patent Document 1 discloses a technology in which an upper structure consisting of a transverse wall member and a ceiling member is provided on the upper portion of a melting tank (see Patent Document 1). [0004] 【Prior technical literature】 [0005] 【Patent Literatur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03B5/027C03B5/03C03B5/16C03B5/235
CPCC03B5/027C03B5/03C03B5/16C03B5/2356C03B5/033C03B5/42C03B5/43C03B15/12
Inventor 松山俊明内田一树
Owner ASAHI GLASS CO LTD
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