WO2006059576A1 - Procédé de fabrication de verre et appareil de fabrication de verre - Google Patents

Procédé de fabrication de verre et appareil de fabrication de verre Download PDF

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Publication number
WO2006059576A1
WO2006059576A1 PCT/JP2005/021814 JP2005021814W WO2006059576A1 WO 2006059576 A1 WO2006059576 A1 WO 2006059576A1 JP 2005021814 W JP2005021814 W JP 2005021814W WO 2006059576 A1 WO2006059576 A1 WO 2006059576A1
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WO
WIPO (PCT)
Prior art keywords
glass
molten glass
bubbles
vacuum
clarification
Prior art date
Application number
PCT/JP2005/021814
Other languages
English (en)
Japanese (ja)
Inventor
Daisuke Miyabe
Akihiro Koyama
Junji Kurachi
Hiromitsu Seto
Kazuhiro Yamamoto
Yutaka Senshu
Original Assignee
Nippon Sheet Glass Company, Limited
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 Nippon Sheet Glass Company, Limited filed Critical Nippon Sheet Glass Company, Limited
Publication of WO2006059576A1 publication Critical patent/WO2006059576A1/fr

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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
    • C03B5/225—Refining
    • C03B5/2252—Refining under reduced pressure, e.g. with vacuum refiners
    • 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
    • C03B5/02—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
    • C03B5/023—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by microwave heating
    • 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
    • C03B5/205—Mechanical means for skimming or scraping the melt surface

Definitions

  • the present invention relates to a glass manufacturing method using a vacuum clarification method in which bubbles contained in a molten glass are reduced in a reduced-pressure atmosphere.
  • the present invention also relates to a glass manufacturing apparatus suitable for carrying out the above manufacturing method.
  • glass is melted by melting a natural raw material such as silica sand, a synthesized chemical product, and a glass raw material containing at least one kind selected for glass cullet power (hereinafter simply referred to as “glass raw material”). It is made into glass (melting process), and after the compositional deviation in the molten glass is reduced as necessary (homogeneous casting process), it is molded (molding process) into a product.
  • glass raw material glass raw material containing at least one kind selected for glass cullet power
  • a vacuum clarification method is known as one of the clarification methods!
  • molten glass is introduced into a vacuum clarification part in a reduced-pressure atmosphere to reduce bubbles contained in the molten glass. At that time, bubbles may stay in the vicinity of the glass substrate to form a foam layer. If a foam layer is formed, bubbles may not be removed smoothly.
  • Japanese Patent Publication No. 2-300 discloses a technique for heating the inside of a vacuum clarification tank, which is a vacuum clarification section, using a burner in order to remove such bubbles in the vicinity of the ground surface.
  • Japanese Patent Application Laid-Open No. 2000-7347 discloses a technique for reducing a foam layer by spraying a metal compound on the foam layer.
  • Japanese Patent Publication No. 2003-507313 discloses that a dielectric coil is attached around the vacuum clarification tank and a high frequency is applied to the dielectric coil to reduce the pressure.
  • Technology to heat the clarification tank and heat the molten glass by heat conduction from the vacuum clarification tank has been developed. It is shown.
  • an object of the present invention is to provide a new method for producing glass, which can promote the reduction of bubbles contained in molten glass.
  • Another object of the present invention is to provide a glass manufacturing apparatus suitable for carrying out this manufacturing method.
  • the glass production method of the present invention includes a melting step of melting a glass raw material to obtain a molten glass,
  • the glass production apparatus of the present invention includes a melting part that melts a glass raw material to form a molten glass, and a vacuum clarification part (vacuum degassing part) that reduces bubbles contained in the molten glass in a reduced pressure atmosphere.
  • a molding unit that molds the molten glass with reduced bubbles, and a microwave is applied to the molten glass in the flow path of the molten glass from the vacuum clarification unit to the molding unit. It has an irradiation mechanism that emits millimeter waves or submillimeter waves.
  • a glass having stable quality can be continuously produced by providing a new glass production method capable of promoting the reduction of bubbles contained in molten glass.
  • FIG. 1 is a schematic view showing an example of a glass manufacturing apparatus of the present invention.
  • FIG. 2 is a schematic view showing another example of the glass manufacturing apparatus of the present invention.
  • FIG. 3 is a schematic view showing an example of a vacuum clarification tank in the glass production apparatus of the present invention.
  • FIG. 4 is a schematic view showing another example of a vacuum clarification tank in the glass production apparatus of the present invention.
  • FIG. 5 is a schematic view showing still another example of a vacuum clarification tank in the glass production apparatus of the present invention.
  • FIG. 6 is a schematic view showing still another example of the glass manufacturing apparatus of the present invention.
  • FIG. 7 is a schematic view showing still another example of the glass manufacturing apparatus of the present invention.
  • FIG. 8 is a schematic view showing an example different from the above of the glass manufacturing apparatus of the present invention.
  • the molten glass is irradiated with microwaves, millimeter waves, or submillimeter waves (hereinafter also simply referred to as “electromagnetic waves”) in the steps subsequent to the vacuum clarification step. Promotes the reduction of bubbles contained in.
  • the electromagnetic wave irradiation can be performed, for example, from a pressure reduction clarification step, a molding step, and a pressure reduction clarification step (reduced pressure clarification part). It may be performed in at least one process selected from the transfer process for transferring the molten glass to the forming section).
  • a reduced-pressure clarification step in which it is preferable to irradiate at least one step in which a reduced-pressure clarification step and a transfer step force are also selected. More preferred.
  • electromagnetic waves may be irradiated in the further step.
  • the temperature of the molten glass in the range (irradiation range) that is irradiated with electromagnetic waves increases.
  • the viscosity of the molten glass decreases as the temperature rises, and bubbles expand due to an increase in gas pressure inside the bubbles. Using these as driving forces, the reduction (clarification) of bubbles is promoted.
  • exhaust gas is not generated by electromagnetic wave irradiation in the vacuum clarification process.
  • the solvent does not evaporate or burn. Further, the obtained glass is not partially altered.
  • a glass having stable quality can be continuously produced while using a vacuum clarification method.
  • the electromagnetic wave irradiation in the process after the vacuum clarification process may reduce the foam layer or bubbles that cannot be reduced in the vacuum clarification process, or the bubbles generated in the molten glass after the vacuum clarification process. it can.
  • the production method of the present invention is also different from the technique disclosed in JP-T-2003-507313.
  • the molten glass can be directly heated.
  • the electromagnetic wave irradiation method and the irradiation range the molten glass can be heated uniformly without depending on the structure of the vacuum clarified portion, or a specific region of the molten glass (for example, bubbles are generated). Heating areas and staying areas (foam layer), etc.
  • heating by electromagnetic wave irradiation is quicker than heating using heat conduction, and energy consumption can be reduced. That is, in the production method of the present invention, the efficiency of clarification under reduced pressure can be further increased.
  • the electromagnetic wave applied to the molten glass is not particularly limited as long as the molten glass can be heated.
  • the molten glass may be irradiated with microwaves, millimeter waves, or submillimeter waves. From the viewpoint of production cost, it is preferable to irradiate the molten glass with microwaves or millimeter waves (electromagnetic waves having a frequency in the range of 300 MHz to 300 GHz).
  • a microwave is an electromagnetic wave having a wavelength of about lm to Lcm (a frequency of about 300 MHz to 30 GHz), and a millimeter wave has a wavelength of lcn!
  • the electromagnetic wave irradiated to the molten glass may include electromagnetic waves in a wavelength region other than microwave, millimeter wave, or submillimeter wave.
  • the molten glass with an electromagnetic wave having a frequency in the range of 18 GHz to 300 GHz.
  • the inner wall of the vacuum clarification part (for example, the vacuum clarification tank) may be coated with metal, and a metal member such as a stirring mechanism may be exposed inside the vacuum clarification part.
  • a metal member such as a stirring mechanism
  • the irradiation method and irradiation area may be limited in order to suppress sparks on these metal surfaces.
  • an electromagnetic wave with a frequency of 18 GHz or higher generally no spark is generated on the metal surface, so the irradiation method and irradiation area can be set more freely.
  • the method of irradiating microwaves, millimeter waves, or submillimeter waves is not particularly limited.
  • an electromagnetic wave source is disposed outside the reduced-pressure clarification unit and guided from the electromagnetic wave source. What is necessary is just to induce electromagnetic waves in the reduced pressure clarification part through a wave tube.
  • a plurality of waveguides may be arranged to irradiate electromagnetic waves to a plurality of regions of the molten glass in the vacuum clarification part.
  • electromagnetic waves may be irradiated continuously to the molten glass or may be irradiated intermittently.
  • irradiation may be performed while changing the intensity of irradiation periodically or randomly.
  • the irradiation range of the electromagnetic wave on the molten glass is not particularly limited, and may be set arbitrarily.
  • bubbles in a region where the ground force is also far may be expanded and raised to the ground.
  • the vicinity of the molten glass inlet in the vacuum clarification part may be irradiated with electromagnetic waves to expand the bubbles formed before being introduced into the vacuum clarification part, and may be raised to the ground surface.
  • the size of is not particularly limited, and may be set arbitrarily.
  • irradiate electromagnetic waves so that bubbles included in the molten glass are included in the irradiation range.
  • a foam layer is formed near the surface of the molten glass, the whole or part of the foam layer may be used as the irradiation range! ,.
  • a barrier may be arranged inside the vacuum clarification part so as to prevent the flow of the molten glass in the vacuum clarification part, and the electromagnetic wave may be irradiated so that bubbles staying in the vicinity of the barrier are included in the irradiation range. In this method, bubbles can be reduced more efficiently, and the outflow of bubbles to the molding process can be suppressed.
  • a general method and apparatus may be used for the vacuum clarification step.
  • the conditions for vacuum clarification are not particularly limited, and the pressure in the vacuum clarification part may be, for example, in the range of about 0.05 atm to 0.5 atm.
  • the melting step and the forming step in the production method of the present invention are not particularly limited, and a method and apparatus generally used for glass production may be used. Specifically, for example, it can be applied to various glass production methods such as a float method, a roll-out method, a Colburn method, and a fusion method.
  • the bubbles to be reduced in the vacuum clarification step may include bubbles generated by stirring the molten glass. Bubbles are generated not only in the melting process but also in the transfer from the melting process to the vacuum clarification process or in the vacuum clarification process. If such bubbles are generated by stirring, bubbles can be reduced and reduced more efficiently in the vacuum clarification step.
  • the method of stirring the molten glass is not particularly limited, and for example, stirring may be performed using a stirring mechanism such as a stirrer.
  • the position at which the stirring mechanism is disposed is not particularly limited, and may be disposed, for example, in a path for transferring the molten glass from the melting portion to the vacuum clarification portion or in the vacuum clarification portion.
  • a stirring tank may be provided between the melting part and the vacuum clarification part, and a stirring mechanism may be arranged in the stirring tank.
  • a homogenization step is further performed between the reduced-pressure clarification step and the molding step to reduce the deviation in the composition of the molten glass after bubbles are reduced in the reduced-pressure clarification step. May be included. Higher quality because striae can be reduced by the homogeneous process However, a stable glass can be obtained.
  • the homogenization process is not particularly limited, and a general homogenization method and apparatus may be used.
  • the molten glass may be stirred using a stirring mechanism such as a stirrer to homogenize the molten glass.
  • the production method of the present invention can be applied regardless of the type of glass.
  • application to glass containing diboron trioxide (B 2 O 3) is effective.
  • Diboron trioxide is clarified under reduced pressure
  • the volatilization amount of niobium triacid is likely to be affected by pressure fluctuations in the vacuum clarification section.
  • the raw materials are prepared in advance taking into consideration the volatilization amount of diboron trioxide.
  • the volatilization amount of diboron trioxide fluctuates, the quality of the resulting glass will be kept constant. It becomes difficult to keep.
  • the pressure fluctuation in the vacuum clarification part can be reduced, and the bubbles contained in the molten glass can be reduced more efficiently. Even when using, a glass with stable quality can be obtained.
  • a glass manufacturing apparatus 1 shown in Fig. 1 includes a molten part (melting tank 2) that melts a glass raw material 21 to form a molten glass 11, and the molten glass 11 is contained in the molten glass 11 in a reduced-pressure atmosphere.
  • a vacuum clarification part vacuum clarification tank 3 for reducing the generated bubbles 12 and a molding part 4 for molding the molten glass 11 in which the bubbles 12 are reduced in the vacuum clarification tank 3 are provided.
  • the glass production apparatus 1 also includes an irradiation mechanism 5 that irradiates the molten glass 11 in the vacuum clarification tank 3 with microwaves, millimeter waves, or submillimeter waves (electromagnetic waves 14).
  • the melting tank 2 and the reduced pressure clarification tank 3, and the reduced pressure clarification tank 3 and the molding part 4 are connected by pipes 13a and 13b, respectively, and the molten glass 11 melted by the melting tank 2 is added to the reduced pressure clarification tank. 3 and molding part 4 can be transferred in order.
  • the electromagnetic wave 14 can be irradiated from the irradiation mechanism 5 to the molten glass 11 (in a reduced pressure atmosphere) that has been clarified under reduced pressure in the reduced pressure clarification tank 3. For this reason, it is suitable for implementation of the glass manufacturing method of the present invention described above, and glass with stable quality can be continuously manufactured.
  • the molten glass 11 in the vacuum clarification tank 3 is heated by the irradiation of the electromagnetic wave 14. For this reason, compared with the case of using a radiant heating device such as a burner, It is excellent in rate and controllability, and the manufacturing apparatus can be further downsized.
  • the irradiation mechanism 5 is not particularly limited in structure and configuration as long as the molten glass 11 can be irradiated with microwaves, millimeter waves, or submillimeter waves (electromagnetic waves 14).
  • the irradiation mechanism 5 shown in FIG. 1 includes an electromagnetic wave source 15 and a waveguide 16 that guides the electromagnetic wave 14 generated in the electromagnetic wave source 15 into the vacuum clarification tank 3. Suitable examples of the electromagnetic wave irradiated by the irradiation mechanism 5 are as described above in the manufacturing method.
  • the electromagnetic wave source 15 is not particularly limited, and may be arbitrarily selected according to the frequency of the electromagnetic wave 14 to be irradiated.
  • the electromagnetic wave source 15 may be a magnetron.
  • a gyrotron When irradiating an electromagnetic wave having a frequency of about 11 GHz to 300 GHz, for example, a gyrotron may be used.
  • the specific structure and configuration of the waveguide 16 are not particularly limited as long as the electromagnetic wave 14 generated in the electromagnetic wave source 15 can be guided to the molten glass 11.
  • a single waveguide 16 may be used, or a plurality of waveguides 16 may be disposed and a plurality of regions of the molten glass 11 may be irradiated with the electromagnetic wave 14.
  • the material of the waveguide 16 is not particularly limited.
  • a metal having heat resistance and corrosion resistance against molten glass may be used.
  • a metal or an alloy having a melting point of 1700 ° C or higher is used. More specifically, platinum, tungsten, molybdenum, iridium, an alloy containing these metals, or an alloy thereof.
  • An alloy containing rhodium in addition to metal may be used. The durability of the manufacturing apparatus can be improved.
  • FIG. 2 shows another example of the glass manufacturing apparatus of the present invention.
  • a barrier 18 is disposed inside the vacuum clarification tank 3 so as to prevent the flow of the molten glass 11 in the vacuum clarification tank 3.
  • the irradiation mechanism 5 is arranged so as to include the bubbles 12 staying in the vicinity of the noria 18 in the irradiation range.
  • the molten glass 11 introduced into the depressurization clarification tank 3 from the pipe 13a leading to the melting tank 2 flows in the direction of the piping 13b passing through the vacuum clarification clarification tank 3 through the forming part 4 mm.
  • the barrier 18 is disposed so as to prevent the flow, the bubbles 12 can stay in the vicinity of the noria 18.
  • the irradiation mechanism 5 is arranged so that the remaining bubbles 12 are included in the irradiation range, the bubbles 12 can be efficiently reduced.
  • the structure, configuration, position where it is arranged, and the like are not particularly limited.
  • it may be a nore 18 having a plate shape or a nore 18 having a network structure.
  • the phrase “can prevent the flow” means that it is sufficient that at least a part of the flow of the molten glass 11 can be prevented.
  • the structure, configuration and the like of the melting tank 2 are not particularly limited as long as the glass raw material can be heated and melted, and may be the same structure and structure as a melting tank generally used as a glass manufacturing apparatus.
  • the structure and configuration of the vacuum clarification section are not particularly limited as long as the inside of the vacuum clarification tank 3 can be maintained in a reduced pressure atmosphere, and has the same structure and configuration as the vacuum clarification section generally used as a glass manufacturing apparatus. I just need it.
  • the vacuum clarification tank 3 is accommodated in the chamber 33 having a strength capable of withstanding the reduced pressure atmosphere, and the pressure reducing mechanism 35 is connected to the chamber 33. By doing so, the inside of the vacuum clarification tank 3 is maintained in a vacuum atmosphere.
  • the decompression mechanism 35 may include, for example, an exhaust pump.
  • the reduced-pressure clarification tank 3 is composed of, for example, a refractory brick! Do it! /.
  • the inner wall of the vacuum clarification tank 3 is coated with a metal having heat resistance and corrosion resistance to molten glass.
  • the metal exemplified as the material used for the waveguide 16 may be used. Since these metals are highly resistant to molten glass, the durability of the production equipment can be improved.
  • the pressure in the vacuum clarification tank 3 at the time of vacuum clarification is not particularly limited as long as vacuum clarification can be performed, and may be maintained in a range of, for example, about 0.05 atm to 0.5 atm.
  • the melting tank 2 is shown as the melting part
  • the vacuum clarification tank 3 is shown as the vacuum clarification part.
  • the glass raw material is heated. As long as it can be melted and the bubbles contained in the molten glass can be reduced in a reduced-pressure atmosphere, a melted part and a reduced-pressure clarified part having an arbitrary structure and configuration can be obtained.
  • the method of introducing the molten glass 11 into the vacuum clarification tank 3 is not particularly limited.
  • the molten glass 11 in the vacuum clarification tank 3 is melted horizontally with respect to the ground surface of Molten glass 11 may be introduced.
  • a molten glass 11 may be introduced from the lower part of the vacuum clarification tank 3.
  • molten glass 11 may be introduced from the upper part of the vacuum clarification tank 3. In each case, the same effect can be obtained.
  • the method for deriving the molten glass 11 from the vacuum clarification tank 3 to the forming part 4 is not particularly limited.
  • the structure, configuration, and the like of the molded part 4 are not particularly limited.
  • FIG. 6 shows still another example of the glass manufacturing apparatus of the present invention.
  • the glass manufacturing apparatus 1 shown in FIG. 6 includes an irradiation mechanism 5a for irradiating the molten glass 11 in the vacuum clarification tank 3 with microwaves, millimeter waves, or submillimeter waves (electromagnetic wave 14), a vacuum clarification tank 3 and a forming part 4. And an irradiation mechanism 5b for irradiating the molten glass 11 in the irradiation tank 34 with the electromagnetic wave 14 between them.
  • the irradiation mechanism 5b it is possible to reduce the foam layer and bubbles that cannot be reduced in the vacuum clarification tank 3, or the bubbles generated in the flow path of the molten glass after the vacuum clarification tank 3.
  • the glass manufacturing apparatus 1 of the present invention only needs to include the irradiation mechanism 5 for irradiating the molten glass 11 in the flow path of the molten glass from the vacuum clarification tank 3 to the forming part 4.
  • FIG. 7 shows another example of the glass manufacturing apparatus of the present invention.
  • the glass manufacturing apparatus 1 shown in FIG. 7 is further provided with a stirring mechanism 31 that stirs the molten glass 11 and generates bubbles containing the components contained in the molten glass 11.
  • a large number of bubbles are generated in the melting tank 2, but there are also bubbles generated by being transferred from the melting tank 2 to the reduced pressure clarification tank 3 or being exposed to the reduced pressure atmosphere in the reduced pressure clarification tank 3.
  • the stirring mechanism 31 may be disposed at a position from the melting tank 2 until the electromagnetic wave 14 is finally irradiated to the molten glass 11.
  • FIG. 7 it may be arranged on the upstream side (melting tank 2 side) of the irradiation mechanism 5 in the vacuum clarification tank 3, or a pipe 13a connecting the melting tank 2 and the vacuum clarification tank 3 It may be arranged inside. Also, for example, between the melting tank 2 and the vacuum clarification tank 3 A stirring tank may be disposed, and the stirring mechanism 31 may be disposed in the stirring tank.
  • a stirring mechanism 31 is disposed upstream of the irradiation mechanism 5 in the pipe 13b (vacuum clarification tank 3 side). It may be.
  • the structure and configuration of the stirring mechanism 31 are not particularly limited.
  • a stirring mechanism 31 including a stirrer such as a stirrer may be used.
  • FIG. 8 shows still another example of the glass manufacturing apparatus of the present invention.
  • the glass manufacturing apparatus 1 shown in FIG. 8 is a homogenization mechanism that reduces the compositional deviation of the molten glass 11 after the bubbles are reduced in the vacuum clarification tank 3 between the vacuum clarification tank 3 and the molding part 4. 6 is further provided. By using such a manufacturing apparatus, glass with reduced striae can be manufactured.
  • the structure and configuration of the homogenizing mechanism 6 are not particularly limited.
  • the homogenizing mechanism 6 having a stirring mechanism 32 such as a stirrer may be used. ,.
  • a glass with stable quality can be continuously produced by providing a new method for producing glass that promotes the reduction of bubbles contained in molten glass.
  • the glass production method and glass production apparatus of the present invention can be applied regardless of the type of glass.
  • application to glass containing a highly volatile component for example, diboron trioxide is effective.

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

Abstract

L’invention concerne un nouveau procédé de fabrication de verre selon lequel on peut promouvoir la réduction de bulles d’air emprisonnées dans un verre fondu ; et un appareil de fabrication de verre convenant à la mise en œuvre du procédé de fabrication. Elle porte également sur un procédé de fabrication de verre, comprenant la phase de fusion d’un matériau brut de verre pour obtenir un verre fondu ; la phase de clarification sous vide consistant à introduire le verre fondu dans une unité de clarification sous vide dans une atmosphère sous vide pour ainsi réduire les bulles d’air emprisonnées dans le verre fondu ; et la phase de moulage du verre fondu avec réduction de bulles d’air, où dans la phase de clarification sous vide et les phases suivantes, le verre fondu est irradié avec une micro-onde, une onde millimétrique ou une onde submillimétrique.
PCT/JP2005/021814 2004-12-01 2005-11-28 Procédé de fabrication de verre et appareil de fabrication de verre WO2006059576A1 (fr)

Applications Claiming Priority (2)

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JP2004348385 2004-12-01
JP2004-348385 2004-12-01

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WO2006059576A1 true WO2006059576A1 (fr) 2006-06-08

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WO2009107801A1 (fr) * 2008-02-29 2009-09-03 旭硝子株式会社 Appareil de démoussage sous vide pour du verre fondu
WO2010104038A1 (fr) * 2009-03-09 2010-09-16 日東紡績株式会社 Dispositif de fusion de verre pour la fabrication de fibre de verre et procédé de fabrication de fibre de verre
WO2012132472A1 (fr) * 2011-03-31 2012-10-04 ＡｖａｎＳｔｒａｔｅ株式会社 Procédé pour la production de plaque de verre
US8689588B2 (en) 2009-03-09 2014-04-08 Nitto Boseki Co., Ltd. Glass-melting device for producing glass fiber and method for producing glass fiber using same
CN109851204A (zh) * 2019-04-23 2019-06-07 蚌埠中光电科技有限公司 一种用于玻璃基板制造过程中铂金通道的微波加热系统
US10364176B1 (en) 2016-10-03 2019-07-30 Owens-Brockway Glass Container Inc. Glass precursor gel and methods to treat with microwave energy
US10427970B1 (en) 2016-10-03 2019-10-01 Owens-Brockway Glass Container Inc. Glass coatings and methods to deposit same
US10479717B1 (en) 2016-10-03 2019-11-19 Owens-Brockway Glass Container Inc. Glass foam
WO2021075200A1 (fr) * 2019-10-18 2021-04-22 日本電気硝子株式会社 Appareil et procédé de fabrication d'article en verre
WO2021175506A1 (fr) 2020-03-05 2021-09-10 Schott Ag Procédé et appareil de fusion de verre

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Publication number Priority date Publication date Assignee Title
JP2000247647A (ja) * 1999-02-26 2000-09-12 Asahi Glass Co Ltd 溶融ガラスの減圧脱泡装置用炉材および減圧脱泡装置
JP2003519612A (ja) * 1999-06-17 2003-06-24 ウースタフ・ヘミツキーフ・プロツェスー・アカデミエ・ヴィェト・チェスケー・レプブリキ ガラス材料及び天然材料、特に火成材料を熱処理するための方法及び装置
JP2001039720A (ja) * 1999-07-27 2001-02-13 Asahi Glass Co Ltd 溶融槽及び溶融槽のヒータ交換装置
WO2003042119A1 (fr) * 2001-11-16 2003-05-22 Bh-F (Engineering) Ltd. Procede d'homogeneisation de matiere fondue et appareil permettant de mettre en oeuvre ledit procede

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JPWO2009107801A1 (ja) * 2008-02-29 2011-07-07 旭硝子株式会社 溶融ガラスの減圧脱泡装置
WO2009107801A1 (fr) * 2008-02-29 2009-09-03 旭硝子株式会社 Appareil de démoussage sous vide pour du verre fondu
JP5423666B2 (ja) * 2008-02-29 2014-02-19 旭硝子株式会社 溶融ガラスの減圧脱泡装置
US8689586B2 (en) 2009-03-09 2014-04-08 Nitto Boseki Co., Ltd. Glass-melting device for producing glass fiber and method for producing glass fiber
WO2010104038A1 (fr) * 2009-03-09 2010-09-16 日東紡績株式会社 Dispositif de fusion de verre pour la fabrication de fibre de verre et procédé de fabrication de fibre de verre
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JP5660029B2 (ja) * 2009-03-09 2015-01-28 日東紡績株式会社 ガラス繊維製造用ガラス溶融装置、及びガラス繊維の製造方法
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