WO2018110218A1 - Procédé de production de verre en feuille, récipient de clarification et appareil de production de verre en feuille - Google Patents

Procédé de production de verre en feuille, récipient de clarification et appareil de production de verre en feuille Download PDF

Info

Publication number
WO2018110218A1
WO2018110218A1 PCT/JP2017/041843 JP2017041843W WO2018110218A1 WO 2018110218 A1 WO2018110218 A1 WO 2018110218A1 JP 2017041843 W JP2017041843 W JP 2017041843W WO 2018110218 A1 WO2018110218 A1 WO 2018110218A1
Authority
WO
WIPO (PCT)
Prior art keywords
molten glass
partition plate
opening
glass
main body
Prior art date
Application number
PCT/JP2017/041843
Other languages
English (en)
Japanese (ja)
Inventor
晃之 塚本
Original Assignee
日本電気硝子株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本電気硝子株式会社 filed Critical 日本電気硝子株式会社
Priority to KR1020197011942A priority Critical patent/KR102331495B1/ko
Priority to CN201780070703.3A priority patent/CN109982979B/zh
Publication of WO2018110218A1 publication Critical patent/WO2018110218A1/fr

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/20—Bridges, shoes, throats, or other devices for withholding dirt, foam, or batch
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/225—Refining

Definitions

  • the present invention relates to a method for producing plate glass, a clarification container used in the method, and a plate glass production apparatus including the clarification container.
  • flat glass is used for flat panel displays such as liquid crystal displays and organic EL displays.
  • flat panel displays such as liquid crystal displays and organic EL displays.
  • the material of the glass substrate alkali-free glass that is small in deformation and gravity deflection and excellent in dimensional stability in a high-temperature process is preferably used.
  • Patent Document 1 discloses that a molten glass is heated from a molten glass while the molten glass is passed in a clarified container composed of platinum or a platinum alloy while the vapor phase space is formed.
  • a method for producing plate glass includes a clarification step of performing a defoaming process for releasing bubbles into the phase space.
  • a vent part In the upper part of the clarification container, a vent part (vent pipe) is provided for communicating with the gas phase space in the clarification container and for discharging the gas in the gas phase space to the outside.
  • the present invention has been made in view of the above circumstances, and it is a technical problem to perform a defoaming treatment of molten glass satisfactorily and to produce a high-quality plate glass.
  • the present invention is for solving the above-mentioned problems, and a melting step of melting a glass raw material in a melting tank to produce a molten glass, and passing the molten glass through a clarification container composed of platinum or a platinum alloy.
  • a plate glass manufacturing method comprising: a clarification step for defoaming and a molding step for forming the molten glass after the clarification step as a plate glass in a molding tank, the clarification container is configured to move the molten glass from upstream to downstream. And a plurality of partition plates arranged at intervals in the main body portion, and the main body portion is provided at an upper portion thereof and generates gas generated in the molten glass.
  • a vent portion for discharging the partition plate being provided at an upper portion thereof and being provided at a position below the first opening portion and a first opening portion for allowing the gas bubbles to pass therethrough; And the second opening that allows the molten glass to pass therethrough, and the clarification step is performed while the molten glass is in contact with the entire inner surface of the main body so that a gas phase space is not formed in the clarification container. It is characterized by doing.
  • the gas phase space is not formed between the inner surface of the main body portion and the molten glass by filling the entire internal space of the main body portion in the clarification container with the molten glass.
  • the partition plate provided in a main-body part allows the bubble by the gas which generate
  • platinum volatilizes from the inner surface of a main-body part in high temperature gaseous-phase space like the past. Therefore, it is possible to prevent the platinum from being mixed into the molten glass and perform the defoaming treatment of the molten glass well, and to manufacture a high-quality plate glass.
  • the liquid level of the molten glass in the melting tank is set at a position higher than the top of the inner surface of the main body portion so that the molten glass is brought into contact with the entire inner surface of the main body portion. .
  • a clarification process can be performed, without making molten glass reach the top part of the inner surface in a main-body part, and forming a gaseous-phase space between the inner surface of a main-body part and molten glass.
  • the present invention is for solving the above-described problems, and includes a hollow main body that transfers molten glass from upstream to downstream, and a plurality of partition plates that are arranged at intervals in the main body. And a clarification container made of platinum or a platinum alloy, wherein the main body portion includes a vent portion for discharging a gas generated in the molten glass at an upper portion thereof, and the partition plate is disposed at an upper portion thereof. It is provided with the 1st opening part which lets the bubble by the said gas pass through, and the 2nd opening part which lets the said molten glass pass through while being provided in the downward position of said 1st opening part, It is characterized by the above-mentioned.
  • the fining container allows the foam to be reliably guided to the vent portion by allowing the foam to pass through the first opening formed in the upper part of the partition plate, and performs the defoaming treatment of the molten glass satisfactorily. be able to.
  • the distance between the partition plate located upstream of the vent part and in the immediate vicinity of the vent part and the vent part is 10 mm or more and 300 mm or less.
  • the distance between the partition plate located downstream of the vent part and in the immediate vicinity of the vent part and the vent part is 10 mm or more and 300 mm or less.
  • the first opening of the partition plate is offset to one side in the width direction with respect to the center portion in the width direction of the partition plate.
  • the plurality of partition plates include a first partition plate having a first opening offset from a center portion in the width direction to one side in the width direction, and the other in the width direction from the center portion in the width direction. And a second partition plate having a first opening offset to the side.
  • the plurality of partition plates are located upstream from the vent portion. Further, it is desirable that the first opening is formed in all of the plurality of partition plates.
  • the first opening may be a recess formed in an upper part of the plurality of the partition plates.
  • the clarification container according to the present invention may be further provided with a partition plate that is disposed downstream of the plurality of partition plates and in which the first opening is not formed.
  • the present invention is for solving the above-described problems, and includes a melting tank that melts a glass raw material to generate molten glass, the clarification container, and a molding tank that molds the molten glass into a plate glass.
  • the liquid surface of the molten glass in the melting tank is set at a position above the top of the inner surface of the main body.
  • the entire internal space of the main body portion of the clarification container can be filled with molten glass. For this reason, a gas phase space is not formed between the inner surface of the main body and the molten glass. Therefore, platinum does not volatilize on the inner surface of the main body due to the high-temperature gas phase space as in the prior art. Accordingly, it is possible to prevent the situation where the volatilized platinum is mixed into the molten glass and to perform the defoaming treatment of the molten glass well, and to manufacture a high-quality plate glass.
  • FIG. 4 is a sectional view taken along line IV-IV in FIG. 2. It is a front view of a 1st partition plate. It is a front view of a 2nd partition plate. It is a fragmentary sectional view which shows a clarification container and a dissolution tank side by side. It is a front view which shows the other example of a partition plate. It is a front view which shows the other example of a partition plate. It is a front view which shows the other example of a partition plate. It is a front view which shows the other example of a partition plate. It is a front view which shows the other example of a partition plate. It is a front view which shows the other example of a partition plate.
  • or FIG. 10 shows one Embodiment of the plate glass manufacturing apparatus and plate glass manufacturing method in this invention.
  • the plate glass manufacturing apparatus which concerns on this embodiment is the dissolution tank 1, the clarification container 2, the homogenization tank (stirring tank) 3, the state adjustment tank 4, and the forming tank in order from the upstream side. 5 and glass supply paths 6a to 6d connecting the tanks 1 to 5 respectively.
  • the sheet glass manufacturing apparatus may include a slow cooling furnace (not shown) for gradually cooling the sheet glass GR formed by the forming tank 5 and a cutting device (not shown) for cutting the sheet glass GR after the slow cooling.
  • the melting tank 1 is a container for performing a melting step of melting molten glass raw material GM by melting the charged glass raw material.
  • the dissolution tank 1 is connected to the clarification container 2 by a glass supply path 6a.
  • the clarification container 2 is a container for performing a clarification process in which the molten glass GM supplied from the dissolution tank 1 is defoamed by the action of a clarifier or the like.
  • the clarification container 2 is connected to the homogenization tank 3 by a glass supply path 6b.
  • the homogenization tank 3 is a container for performing a homogenization process in which the clarified molten glass GM is stirred with a stirring blade or the like to make it uniform.
  • the homogenization tank 3 is connected to the state adjustment tank 4 by a glass supply path 6c.
  • the state adjustment tank 4 is a container for performing a state adjustment process for adjusting the molten glass GM to a state suitable for molding.
  • the state adjustment tank 4 is connected to the forming tank 5 by a glass supply path 6d.
  • the forming tank 5 is a container for forming the molten glass GM into a desired shape.
  • the forming tank 5 forms the molten glass GM into a plate shape by the overflow down draw method.
  • the forming tank 5 has a substantially wedge-shaped cross section (a cross section perpendicular to the paper surface of FIG. 1), and an overflow groove (not shown) is formed in the upper part of the forming tank 5. Has been.
  • the molding tank 5 After the molten glass GM is supplied to the overflow groove by the glass supply path 6d, the molding tank 5 overflows the molten glass GM from the overflow groove, and the side walls on both sides of the forming tank 5 (positioned on the front and back sides of the paper surface). Flow down along the side). The forming tank 5 fuses the molten glass GM that has flowed down at the lower top portion of the side wall surface, and forms it into a plate shape.
  • the formed sheet glass GR has a thickness of 0.01 to 10 mm, for example, and is used for a flat panel display such as a liquid crystal display or an organic EL display, an organic EL illumination, a substrate such as a solar cell, or a protective cover.
  • the forming tank 5 may execute another downdraw method such as a slot downdraw method.
  • the clarification container 2 includes a hollow main body 7 that transfers the molten glass GM from upstream to downstream, a plurality of partition plates 8 that are arranged in the main body 7 at intervals, and heating that heats the main body 7. Part 9.
  • the main body part 7, the partition plate 8, and the heating part 9 are all formed in a predetermined shape from platinum or a platinum alloy.
  • the main body portion 7 is configured in a cylindrical shape having a predetermined length, but is not limited to this shape, and may have a hollow shape and a space in which the molten glass GM flows inside.
  • a glass supply path 6 a that connects the melting tank 1 and the main body 7 is connected to one end (upstream end) of the main body 7 in the longitudinal direction.
  • a glass supply path 6 b that connects the homogenization tank 3 and the main body 7 is connected to the other end (downstream end) in the longitudinal direction of the main body 7.
  • the main body part 7 includes a vent part 7a (vent pipe) for discharging gas generated in the molten glass GM.
  • the vent portion 7 a is provided so as to protrude upward from the upper portion of the main body portion 7.
  • the vent portion 7 a is configured in a cylindrical shape (for example, a cylindrical shape), is fixed to the upper outer surface of the main body portion 7, and communicates with the inside of the main body portion 7.
  • the vent part 7 a is made of platinum or a platinum alloy like the main body part 7.
  • the main body 7 has a plurality of cylindrical bodies 7b.
  • the main body 7 is formed by alternately connecting the cylindrical bodies 7b and the partition plates 8.
  • the cylindrical body 7b is configured in a cylindrical shape, but is not limited to this shape.
  • the vent portion 7a is integrally formed with one of the plurality of cylindrical bodies 7b.
  • the partition plate 8 is configured in a disc shape, but is not limited to this shape, and is configured in an appropriate shape according to the shape of the main body portion 7. A part of the surface of the partition plate 8 is fixed to the end surface of the cylindrical body 7 b in the main body 7. The diameter of the partition plate 8 is set to be the same as the outer diameter of the cylindrical body 7 b in the main body 7.
  • first partition plate a partition plate located on the upstream side of the vent portion 7 a and in the immediate vicinity of the vent portion 7 a and the downstream side of the vent portion 7 a.
  • second partition plate a partition plate positioned in the immediate vicinity of the vent portion 7a
  • first center line (indicated by reference numeral Y1)
  • second center line a perpendicular line passing through the center portion O of the partition plate 8
  • first center line (indicated by reference numeral Y1)
  • second center line a horizontal line passing through the center portion O of the partition plate 8
  • first center line (indicated by reference numeral Y1)
  • second center line a horizontal line passing through the center portion O of the partition plate 8
  • first center line indicated by reference numeral Y1
  • second center line “(Indicated by reference numeral X1).
  • vertical direction indicated by the symbol Y
  • width direction indicated by the symbol X
  • each partition plate 8 a portion above the first center line Y ⁇ b> 1 is referred to as an “upper portion” of the partition plate 8, and a portion below the first center line Y ⁇ b> 1 is a “lower portion” of the partition plate 8. That's it.
  • the distance D1 between the first partition plate 8a and the vent portion 7a in the longitudinal direction of the main body portion 7 is desirably set to 10 mm or more and 300 mm or less.
  • the distance D2 between the second partition plate 8b and the vent portion 7a is preferably set to 10 mm or more and 300 mm or less.
  • the first partition plate 8a and the second partition plate 8b are provided at an upper portion thereof and provided at a position below the first opening portion 10 through which bubbles B caused by gas generated in the molten glass GM pass. And a second opening 11 through which the molten glass GM passes.
  • the first opening 10 is a through hole formed inside the peripheral edge of the partition plate 8.
  • the first opening 10 is formed at a position above the second opening 11.
  • the opening area of the second opening 11 is set larger than the opening area of the first opening 10.
  • the 1st opening part 10 is mainly for distribute
  • the 2nd opening part 11 is mainly for distribute
  • the first openings 10 of the first partition plate 8a and the second partition plate 8b are configured in a fan shape with a central angle of about 90 degrees, but are not limited to this shape. Absent.
  • the first opening 10 of the first partition plate 8a is offset to one side in the width direction X with respect to the center portion O of the first partition plate 8a, as shown in FIGS.
  • the first opening 10 of the first partition plate 8a is shifted to one side in the width direction X with respect to the first center line Y1 (right side with respect to the paper surface of FIG. 5). It is formed.
  • the first opening 10 of the second partition plate 8b is offset to the other side in the width direction X with respect to the central portion O of the second partition plate 8b. That is, as shown in FIG. 6, the first opening 10 of the second partition plate 8b is shifted to the other side in the width direction X with respect to the first center line Y1 (left side with respect to the paper surface of FIG. 6). It is formed.
  • the first opening 10 of the second partition plate 8b is offset in the width direction X to the side opposite to the first opening 10 of the first partition plate 8a.
  • the second opening 11 of the first partition plate 8a is configured in an elliptical shape when viewed from the front.
  • the central part of the second opening 11 coincides with the central part O of the first partition plate 8a.
  • the second opening 11 of the second partition plate is formed in the lower part of the second partition plate 8b.
  • This 2nd opening part 11 is comprised by the semicircle in front view.
  • the second opening 11 of the second partition plate 8b is formed in the second partition plate 8b so that the straight line portion is located above and the arc portion is located below the straight line portion.
  • the center of the second opening 11 is located at a position shifted downward from the center O of the second partition plate 8b.
  • the second opening portion 11 of the first partition plate 8a and the second opening portion 11 of the second partition plate 8b are in a state in which the position in the vertical direction Y is shifted in a front view.
  • the molten glass GM which flows through the main-body part 7 can be made to meander, and a favorable defoaming process can be performed. It becomes possible.
  • the heating unit 9 includes a flange portion 12 formed so as to surround the periphery of the end portion of the main body portion 7, and an electrode portion 13 formed on the upper portion of the flange portion 12.
  • the flange portion 12 and the electrode portion 13 are made of platinum or a platinum alloy like the main body portion 7.
  • the heating unit 9 directly heats the main body unit 7 by applying a predetermined voltage to the electrode unit 13.
  • the clarification container 2 maintains the molten glass GM which flows in the main-body part 7 in a clarification process at predetermined temperature.
  • the liquid level GS of the molten glass GM in the melting tank 1 is set at a position above the top (vertex) 7 c of the inner surface of the main body 7 or the same position as the top 7 c.
  • the height difference H is 0 mm or more and 200 mm or less, but is not limited to this range.
  • the first opening 10 is not formed in the partition plate 8c (see FIG. 2) disposed on the most downstream side among the partition plates 8 disposed in the main body 7.
  • the partition plate 8 can prevent the foam B generated in the molten glass GM from being transferred to the downstream side of the clarification container 2.
  • the configuration of the first opening 10 is different from the examples shown in FIGS. 5 and 6.
  • a recess formed by cutting out the upper end of the partition plate 8 is formed as the first opening 10 of the partition plate 8.
  • the recess is formed so as to be recessed from the upper edge of the partition plate 8 toward the center portion O of the partition plate 8.
  • a plurality (two) of first openings 10 are formed in the partition plate 8. Specifically, a pair of first openings 10 are formed across the first center line Y1 of the partition plate 8. Each first opening 10 is offset in the width direction X with respect to the first center line Y ⁇ b> 1 of the partition plate 8. The pair of first openings 10 are provided so as to be line symmetric with respect to the first center line Y1.
  • the first opening 10 is configured in a semicircular shape. Specifically, the first opening 10 is formed on the partition plate 8 so that the linear portion is at the lower position and the arc portion is at the upper position. The central portion of the first opening 10 is offset in the width direction X with respect to the central portion O of the partition plate 8. That is, the first opening 10 is positioned such that a perpendicular (center line) Y2 passing through the center of the first opening 10 is shifted to one side (right side) in the width direction X with respect to the first center line Y1 of the partition plate 8. For this reason, the first opening 10 is asymmetric with respect to the first center line Y1 of the partition plate 8 (it is not configured symmetrically with respect to the first center line Y1).
  • the raw glass is melted in the melting tank 1 (melting step) to obtain a molten glass GM.
  • a fining agent is blended in the glass raw material, and gas (bubbles) is generated in the molten glass GM by the action of the fining agent.
  • As the clarifier As 2 O 3 , Sb 2 O 3 , SnO 2 , Fe 2 O 3 , SO 3 , F, Cl, or the like can be used.
  • As 2 O 3 and Sb 2 O 3 are environmentally hazardous substances, their use should be avoided as much as possible, and it is most preferable to use SnO 2 as a clarifier.
  • the molten glass GM supplied from the melting tank 1 through the glass supply path 6a is moved from one end (upstream) of the main body 7 in the clarification container 2 to the other end (downstream).
  • the main body 7 is heated by the heating unit 9 to maintain the temperature of the flowing molten glass GM at 1300 to 1500 ° C.
  • the bubbles B caused by the gas generated by the redox action of the clarifier are floated (see FIG. 3).
  • This bubble B passes through the first opening 10 of each partition plate 8 together with the molten glass GM, and is discharged as a gas from the liquid surface of the molten glass GM facing the vent portion 7a.
  • the gas is finally discharged out of the main body portion 7 from the vent portion 7a.
  • the bubble B that has passed through the vent portion 7a flows backward through the first opening 10 of the partition plate 8 (second partition plate 8b) located downstream of the vent portion 7a, and is discharged as a gas from the vent portion 7a. obtain.
  • the molten glass GM that has been subjected to clarification is transferred to the forming tank 5 through a homogenization process by the homogenization tank 3 and a state adjustment process by the state adjustment tank 4.
  • the molten glass GM is formed as a plate glass GR in the forming tank 5 (see FIG. 1).
  • the plate glass GR is formed to have a predetermined size through a slow cooling process using a slow cooling furnace and a cutting process using a cutting device.
  • the plate glass GR is wound into a roll shape without being cut after the slow cooling step.
  • molten glass GM is satisfy
  • this invention is not limited to the structure of the said embodiment, It is not limited to the above-mentioned effect.
  • the present invention can be variously modified without departing from the gist of the present invention.
  • the first opening 10 of the partition plate 8 is offset in the width direction from the center portion O of the partition plate 8 is shown, but the present invention is not limited to this.
  • the first opening 10 may be configured such that the central portion thereof coincides with the central portion O of the partition plate 8 in the width direction X.
  • the present invention is not limited to this.
  • a configuration in which a plurality of partition plates 8 are arranged only upstream from the vent portion 7a can be employed.
  • the clarification container 2 provided with one vent portion 7a in the main body portion 7 is exemplified, but the present invention is not limited to this configuration.
  • the main body portion 7 may be provided with a plurality of vent portions 7a at intervals in the longitudinal direction.
  • the some partition plate 8 can be arrange
  • the plate glass manufacturing apparatus may include a plurality of dissolution tanks 1.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Melting And Manufacturing (AREA)

Abstract

L'invention concerne un procédé de production de verre en feuille comprenant une étape de fusion, une étape de clarification et une étape de mise en forme. Dans le procédé de production de verre en feuille, l'étape de clarification est exécutée tout en amenant le verre fondu (GM) en contact avec la totalité de la surface interne d'une partie de corps (7) d'un récipient de clarification (2), de sorte qu'aucun espace de phase gazeuse ne soit formé à l'intérieur de celui-ci.
PCT/JP2017/041843 2016-12-16 2017-11-21 Procédé de production de verre en feuille, récipient de clarification et appareil de production de verre en feuille WO2018110218A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020197011942A KR102331495B1 (ko) 2016-12-16 2017-11-21 판유리 제조 방법, 청징용기 및 판유리 제조 장치
CN201780070703.3A CN109982979B (zh) 2016-12-16 2017-11-21 板玻璃制造方法、澄清容器以及板玻璃制造装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-244309 2016-12-16
JP2016244309A JP6768216B2 (ja) 2016-12-16 2016-12-16 板ガラス製造方法、清澄容器及び板ガラス製造装置

Publications (1)

Publication Number Publication Date
WO2018110218A1 true WO2018110218A1 (fr) 2018-06-21

Family

ID=62558305

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/041843 WO2018110218A1 (fr) 2016-12-16 2017-11-21 Procédé de production de verre en feuille, récipient de clarification et appareil de production de verre en feuille

Country Status (5)

Country Link
JP (1) JP6768216B2 (fr)
KR (1) KR102331495B1 (fr)
CN (1) CN109982979B (fr)
TW (1) TWI757380B (fr)
WO (1) WO2018110218A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7138843B2 (ja) * 2018-05-30 2022-09-20 日本電気硝子株式会社 ガラス物品の製造方法
JP7092021B2 (ja) * 2018-12-21 2022-06-28 日本電気硝子株式会社 ガラス物品の製造方法
JP2022050001A (ja) * 2020-09-17 2022-03-30 日本電気硝子株式会社 ガラス板の製造方法及びその製造装置。

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5481321A (en) * 1977-12-13 1979-06-28 Obara Optical Glass Continuous purification of molten glass
JPH1095627A (ja) * 1996-09-18 1998-04-14 Nippon Electric Glass Co Ltd ガラス繊維製造装置
JP2000128548A (ja) * 1998-10-28 2000-05-09 Asahi Techno Glass Corp ガラス溶融炉
WO2014050824A1 (fr) * 2012-09-27 2014-04-03 ＡｖａｎＳｔｒａｔｅ株式会社 Dispositif et procédé de fabrication de substrat de verre
JP2014094843A (ja) * 2012-11-07 2014-05-22 Nippon Electric Glass Co Ltd 溶融ガラス移送装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4932035A (en) * 1987-05-30 1990-06-05 Sorg Gmbh & Co. Kg Discontinuous glass melting furnace
WO2012014906A1 (fr) * 2010-07-30 2012-02-02 旭硝子株式会社 Dispositif pour la dépressurisation et le démoussage du verre fondu, procédé de dépressurisation et de démoussage de verre fondu, dispositif de fabrication de produit verrier et procédé de fabrication du produit verrier
CN103080026B (zh) * 2011-03-31 2016-04-27 安瀚视特控股株式会社 玻璃板的制造方法
CN103508654B (zh) * 2012-06-29 2016-08-03 安瀚视特控股株式会社 玻璃基板的制造方法以及玻璃基板的制造装置
CN203768208U (zh) * 2014-03-25 2014-08-13 湖北新华光信息材料有限公司 高效均化全铂结构澄清槽
CN205387539U (zh) * 2016-03-17 2016-07-20 东旭科技集团有限公司 用于玻璃液的气泡吸收系统和玻璃生产线

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5481321A (en) * 1977-12-13 1979-06-28 Obara Optical Glass Continuous purification of molten glass
JPH1095627A (ja) * 1996-09-18 1998-04-14 Nippon Electric Glass Co Ltd ガラス繊維製造装置
JP2000128548A (ja) * 1998-10-28 2000-05-09 Asahi Techno Glass Corp ガラス溶融炉
WO2014050824A1 (fr) * 2012-09-27 2014-04-03 ＡｖａｎＳｔｒａｔｅ株式会社 Dispositif et procédé de fabrication de substrat de verre
JP2014094843A (ja) * 2012-11-07 2014-05-22 Nippon Electric Glass Co Ltd 溶融ガラス移送装置

Also Published As

Publication number Publication date
KR102331495B1 (ko) 2021-11-26
KR20190094146A (ko) 2019-08-12
CN109982979B (zh) 2021-11-30
JP2018095535A (ja) 2018-06-21
CN109982979A (zh) 2019-07-05
TW201827363A (zh) 2018-08-01
TWI757380B (zh) 2022-03-11
JP6768216B2 (ja) 2020-10-14

Similar Documents

Publication Publication Date Title
WO2018110218A1 (fr) Procédé de production de verre en feuille, récipient de clarification et appareil de production de verre en feuille
JP5246568B1 (ja) ガラスの製造方法、および、攪拌装置
TWI462886B (zh) Manufacture of glass plates
JP5552551B2 (ja) ガラス基板の製造方法およびガラス基板の製造装置
JP7393742B2 (ja) ガラス物品の製造方法及びガラス物品の製造装置
WO2020129528A1 (fr) Procédé de fabrication d'article en verre
KR101622057B1 (ko) 글래스 기판의 제조 장치 및 글래스 기판의 제조 방법
CN106316074A (zh) 玻璃基板的制造方法、以及玻璃基板的制造装置
JP7138843B2 (ja) ガラス物品の製造方法
TW201348152A (zh) 玻璃板之製造方法
JP2019077584A (ja) ガラス溶解炉、及びガラス物品の製造方法
JP2019099418A (ja) ガラス物品の製造方法
WO2018110459A1 (fr) Procédé de production d'articles en verre et groupe de substrats en verre
JP6498933B2 (ja) ディスプレイ用ガラス基板の製造方法および製造装置
JP2016050148A (ja) ガラス板の製造方法、及び、ガラス板の製造装置
KR101513793B1 (ko) 유리판의 제조 방법
JP6568542B2 (ja) 複合ガラス製品を製造する装置及び方法
WO2022255295A1 (fr) Procédé de production d'un article en verre
CN115380011A (zh) 玻璃物品的制造方法以及玻璃物品的制造装置
KR20160056015A (ko) 유리 제조 방법
JP2015124111A (ja) ガラス基板の製造方法、およびガラス基板製造方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17879862

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 20197011942

Country of ref document: KR

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17879862

Country of ref document: EP

Kind code of ref document: A1