TW200718664A - Molten glass conduit structure, and vacuum defoaming apparatus using said conduit structure - Google Patents

Molten glass conduit structure, and vacuum defoaming apparatus using said conduit structure

Info

Publication number
TW200718664A
TW200718664A TW095130470A TW95130470A TW200718664A TW 200718664 A TW200718664 A TW 200718664A TW 095130470 A TW095130470 A TW 095130470A TW 95130470 A TW95130470 A TW 95130470A TW 200718664 A TW200718664 A TW 200718664A
Authority
TW
Taiwan
Prior art keywords
conduit
refractory
molten glass
layer
conduit structure
Prior art date
Application number
TW095130470A
Other languages
Chinese (zh)
Other versions
TWI394724B (en
Inventor
Michito Sasaki
Atsushi Tanigaki
Takashi Kijima
Yusuke Takei
Original Assignee
Asahi Glass Co Ltd
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 Asahi Glass Co Ltd filed Critical Asahi Glass Co Ltd
Publication of TW200718664A publication Critical patent/TW200718664A/en
Application granted granted Critical
Publication of TWI394724B publication Critical patent/TWI394724B/en

Links

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
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/225—Refining
    • 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
    • C03B5/42—Details of construction of furnace walls, e.g. to prevent corrosion; Use of materials for furnace walls
    • C03B5/43—Use of materials for furnace walls, e.g. fire-bricks

Abstract

This invention provides a molten glass conduit structure, which, without using any cooling means, can prevent the erosion of a solid heat insulating material constituting a backup of the conduit by molten glass exuded from a joint part between electrocast bricks constituting the conduit, and a vacuum defoaming apparatus using the conduit structure and a method for vacuum defoaming of molten glass using the vacuum defoaming apparatus. The molten glass conduit structure comprises a conduit and a backup provided on the periphery of the conduit. The conduit is a hollow tube having electrocast bricks provided in the longitudinal direction and circumferential direction thereof. The backup comprises a refractory layer provided on the outer side of the conduit and a heat insulating material layer provided on the outer side of the refractory layer. The refractory layer comprises a refractory brick layer comprising refractory bricks provided in the longitudinal direction and circumferential direction of the conduit. The heat insulating material layer comprises a solid refractory layer comprising solid refractories provided in the longitudinal direction and circumferential direction of the conduit. The electrocast bricks constituting the conduit and the refractory bricks constituting the refractory brick layer are selected so that, during passage of the molten glass, the site having a temperature equal to the fluidized point of the glass is located within the refractory layer.
TW095130470A 2005-08-19 2006-08-18 A ductile structure of a molten glass, a vacuum degassing apparatus using the same, and a vacuum degassing method using a molten glass structure TWI394724B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005238715 2005-08-19

Publications (2)

Publication Number Publication Date
TW200718664A true TW200718664A (en) 2007-05-16
TWI394724B TWI394724B (en) 2013-05-01

Family

ID=37757423

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095130470A TWI394724B (en) 2005-08-19 2006-08-18 A ductile structure of a molten glass, a vacuum degassing apparatus using the same, and a vacuum degassing method using a molten glass structure

Country Status (4)

Country Link
JP (1) JP5109086B2 (en)
KR (1) KR100922089B1 (en)
TW (1) TWI394724B (en)
WO (1) WO2007020754A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI811457B (en) * 2018-09-27 2023-08-11 美商康寧公司 Modular molten glass delivery apparatuses, molten glass delivery conduit assemblies for use therewith, and glass manufacturing apparatuses comprising the same

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090272150A1 (en) 2007-11-02 2009-11-05 Lawrence Henry Kotacska Corrosion-resistant cradle and castable materials for glass production
RU2449956C1 (en) * 2008-02-27 2012-05-10 Асахи Гласс Компани, Лимитед Vacuum degassing apparatus and vacuum degassing method for molten glass
JP5659529B2 (en) * 2010-03-30 2015-01-28 Ｊｆｅスチール株式会社 Hot metal holding furnace
EP2692702B1 (en) * 2011-03-31 2018-10-03 AGC Inc. Vacuum degassing apparatus, apparatus for producing glassware, and method for producing glassware
CN105121363B (en) * 2013-04-24 2018-06-12 旭硝子株式会社 The guide-tube structure of melten glass, the device and method using the guide-tube structure
JP6274516B2 (en) * 2014-03-06 2018-02-07 日本電気硝子株式会社 In-furnace monitoring device
JP6458448B2 (en) * 2014-10-29 2019-01-30 日本電気硝子株式会社 Glass manufacturing apparatus and glass manufacturing method
TWI826432B (en) * 2018-04-06 2023-12-21 美商康寧公司 Exhaust conduits for glass melt systems
KR20210064347A (en) * 2018-09-27 2021-06-02 코닝 인코포레이티드 Glass forming apparatuses including modular glass clarification systems
WO2022173604A1 (en) * 2021-02-09 2022-08-18 Corning Incorporated Improved glass transport system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1598308A (en) * 1922-11-01 1926-08-31 Cole French Com Pany Method of and apparatus for fining glass
JP3131463B2 (en) * 1991-06-13 2001-01-31 株式会社タナベ Furnace wall of electric melting furnace for rock wool and method of constructing the furnace wall
JP3823544B2 (en) * 1998-06-24 2006-09-20 旭硝子株式会社 Vacuum degassing apparatus for molten glass and manufacturing method thereof
JP2000159525A (en) * 1998-11-20 2000-06-13 Asahi Glass Co Ltd Duct structure of molten glass, and defoaming apparatus of molten glass with reduced pressure
US6286337B1 (en) * 2000-06-29 2001-09-11 Corning Incorporated Tubing system for reduced pressure finer
JP4674432B2 (en) * 2001-09-28 2011-04-20 旭硝子株式会社 Molten glass conduit structure, molten glass vacuum degassing apparatus, molten glass manufacturing method and glass article manufacturing method
JP4061880B2 (en) * 2001-10-18 2008-03-19 旭硝子株式会社 Molten glass conduit structure and vacuum degassing apparatus for molten glass

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI811457B (en) * 2018-09-27 2023-08-11 美商康寧公司 Modular molten glass delivery apparatuses, molten glass delivery conduit assemblies for use therewith, and glass manufacturing apparatuses comprising the same
US11919800B2 (en) 2018-09-27 2024-03-05 Corning Incorporated Modular molten glass delivery apparatus

Also Published As

Publication number Publication date
TWI394724B (en) 2013-05-01
JPWO2007020754A1 (en) 2009-02-19
JP5109086B2 (en) 2012-12-26
WO2007020754A1 (en) 2007-02-22
KR20080034462A (en) 2008-04-21
KR100922089B1 (en) 2009-10-16

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