DE3760295D1 - Foam control method for vacuum refining of glassy materials - Google Patents

Foam control method for vacuum refining of glassy materials

Info

Publication number
DE3760295D1
DE3760295D1 DE8787109309T DE3760295T DE3760295D1 DE 3760295 D1 DE3760295 D1 DE 3760295D1 DE 8787109309 T DE8787109309 T DE 8787109309T DE 3760295 T DE3760295 T DE 3760295T DE 3760295 D1 DE3760295 D1 DE 3760295D1
Authority
DE
Germany
Prior art keywords
control method
foam
foam control
vacuum refining
glassy materials
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE8787109309T
Other languages
English (en)
Inventor
Wright Montgomery Welton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PPG Industries Ohio Inc
Original Assignee
PPG Industries Inc
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 PPG Industries Inc filed Critical PPG Industries Inc
Application granted granted Critical
Publication of DE3760295D1 publication Critical patent/DE3760295D1/de
Expired legal-status Critical Current

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
    • 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
    • C03B5/12—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in shaft furnaces
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B3/00—Charging the melting furnaces
    • C03B3/02—Charging the melting furnaces combined with preheating, premelting or pretreating the glass-making ingredients, pellets or cullet
    • 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
    • C03B5/04—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in tank furnaces
    • 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
    • C03B5/2252—Refining under reduced pressure, e.g. with vacuum refiners
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
    • C03C1/004—Refining agents
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Glass Compositions (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Prostheses (AREA)
  • Materials For Medical Uses (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Thermal Insulation (AREA)
DE8787109309T 1986-07-07 1987-06-29 Foam control method for vacuum refining of glassy materials Expired DE3760295D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88264786A 1986-07-07 1986-07-07

Publications (1)

Publication Number Publication Date
DE3760295D1 true DE3760295D1 (en) 1989-08-10

Family

ID=25381039

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787109309T Expired DE3760295D1 (en) 1986-07-07 1987-06-29 Foam control method for vacuum refining of glassy materials

Country Status (24)

Country Link
US (1) US4794860A (de)
EP (1) EP0253188B1 (de)
JP (1) JPS6325226A (de)
KR (1) KR900005198B1 (de)
CN (1) CN1007059B (de)
AT (1) ATE44377T1 (de)
AU (1) AU574613B2 (de)
BR (1) BR8703392A (de)
CA (1) CA1275572C (de)
DE (1) DE3760295D1 (de)
DK (1) DK164542C (de)
EG (1) EG18519A (de)
ES (1) ES2009822B3 (de)
FI (1) FI82233C (de)
GR (1) GR3000096T3 (de)
IL (1) IL83035A (de)
IN (1) IN171103B (de)
MX (1) MX164857B (de)
MY (1) MY102868A (de)
NZ (1) NZ220810A (de)
PH (1) PH23557A (de)
PT (1) PT85267B (de)
SG (1) SG90291G (de)
ZA (1) ZA874581B (de)

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US4704153A (en) * 1986-08-12 1987-11-03 Ppg Industries, Inc. Vacuum refining of glassy materials with controlled foaming
JPH01224231A (ja) * 1988-03-01 1989-09-07 Nippon Sheet Glass Co Ltd ガラスの製造方法
US4849004A (en) * 1988-10-31 1989-07-18 Ppg Industries, Inc. Pulsed pressure method for vacuum refining of glassy materials
US4886539A (en) * 1989-04-03 1989-12-12 Ppg Industries, Inc. Method of vacuum refining of glassy materials with selenium foaming agent
US5206509A (en) * 1991-12-11 1993-04-27 Martin Marietta Energy Systems, Inc. Universal collisional activation ion trap mass spectrometry
DE19822437C1 (de) 1998-05-19 1999-07-29 Schott Glas Verfahren zum physikalischen Läutern einer Flüssigkeit und Vorrichtung zur Durchführung des Verfahrens
JP3861460B2 (ja) 1998-06-26 2006-12-20 旭硝子株式会社 溶融ガラスの減圧脱泡方法
JP3119850B2 (ja) 1999-04-21 2000-12-25 旭硝子株式会社 ガラスの溶融方法
DE10055969C1 (de) * 2000-11-11 2002-05-02 Schott Glas Verfahren und Vorrichtung zur Läuterung einer Glasschmelze
JP2002293547A (ja) * 2001-03-28 2002-10-09 Asahi Glass Co Ltd 陰極線管用ガラスの製造方法
US6722161B2 (en) 2001-05-03 2004-04-20 The Boc Group, Inc. Rapid glass melting or premelting
US6854290B2 (en) * 2001-07-18 2005-02-15 Corning Incorporated Method for controlling foam production in reduced pressure fining
US20040050106A1 (en) * 2002-08-29 2004-03-18 Murnane Rand A. Producing glass using outgassed frit
DE10304973B4 (de) * 2003-02-06 2006-08-17 Schott Ag Vorrichtungen, Regelvorrichtung und Regelverfahren für die Läuterung von Glas
DE202009018722U1 (de) 2008-02-26 2012-11-21 Corning Inc. Läutermittel für Silikatgläser
KR101103079B1 (ko) * 2009-04-08 2012-01-06 이문태 못 제조기의 펀칭 장치
US20110011134A1 (en) * 2009-07-15 2011-01-20 Richardson Andrew P Injector for hydrogen and oxygen bubbling in glass baths
US8991215B2 (en) * 2010-06-17 2015-03-31 Johns Manville Methods and systems for controlling bubble size and bubble decay rate in foamed glass produced by a submerged combustion melter
US10322960B2 (en) 2010-06-17 2019-06-18 Johns Manville Controlling foam in apparatus downstream of a melter by adjustment of alkali oxide content in the melter
US9021838B2 (en) 2010-06-17 2015-05-05 Johns Manville Systems and methods for glass manufacturing
US8997525B2 (en) 2010-06-17 2015-04-07 Johns Manville Systems and methods for making foamed glass using submerged combustion
US8707740B2 (en) 2011-10-07 2014-04-29 Johns Manville Submerged combustion glass manufacturing systems and methods
US9032760B2 (en) 2012-07-03 2015-05-19 Johns Manville Process of using a submerged combustion melter to produce hollow glass fiber or solid glass fiber having entrained bubbles, and burners and systems to make such fibers
US20130072371A1 (en) * 2011-03-17 2013-03-21 Ppg Industries Ohio, Inc. Method of, and apparatus for, using a glass fluxing agent to reduce foam during melting of glass batch
US9533905B2 (en) 2012-10-03 2017-01-03 Johns Manville Submerged combustion melters having an extended treatment zone and methods of producing molten glass
WO2014055199A1 (en) 2012-10-03 2014-04-10 Johns Manville Methods and systems for destabilizing foam in equipment downstream of a submerged combustion melter
US9227865B2 (en) 2012-11-29 2016-01-05 Johns Manville Methods and systems for making well-fined glass using submerged combustion
CN104692616A (zh) * 2015-02-14 2015-06-10 无锡顺鼎阿泰克科技有限公司 一种玻璃全氧窑炉除气泡工艺
US9751792B2 (en) 2015-08-12 2017-09-05 Johns Manville Post-manufacturing processes for submerged combustion burner
US10670261B2 (en) 2015-08-27 2020-06-02 Johns Manville Burner panels, submerged combustion melters, and methods
US10041666B2 (en) 2015-08-27 2018-08-07 Johns Manville Burner panels including dry-tip burners, submerged combustion melters, and methods
US9815726B2 (en) 2015-09-03 2017-11-14 Johns Manville Apparatus, systems, and methods for pre-heating feedstock to a melter using melter exhaust
US9982884B2 (en) 2015-09-15 2018-05-29 Johns Manville Methods of melting feedstock using a submerged combustion melter
US10837705B2 (en) 2015-09-16 2020-11-17 Johns Manville Change-out system for submerged combustion melting burner
US10081563B2 (en) 2015-09-23 2018-09-25 Johns Manville Systems and methods for mechanically binding loose scrap
US10144666B2 (en) 2015-10-20 2018-12-04 Johns Manville Processing organics and inorganics in a submerged combustion melter
US10246362B2 (en) 2016-06-22 2019-04-02 Johns Manville Effective discharge of exhaust from submerged combustion melters and methods
US10301208B2 (en) 2016-08-25 2019-05-28 Johns Manville Continuous flow submerged combustion melter cooling wall panels, submerged combustion melters, and methods of using same
US10196294B2 (en) 2016-09-07 2019-02-05 Johns Manville Submerged combustion melters, wall structures or panels of same, and methods of using same
US10233105B2 (en) 2016-10-14 2019-03-19 Johns Manville Submerged combustion melters and methods of feeding particulate material into such melters
US11505487B2 (en) 2017-03-16 2022-11-22 Corning Incorporated Method for decreasing bubble lifetime on a glass melt surface
CN107162386B (zh) * 2017-05-23 2020-01-14 武汉理工大学 用于生产玻璃产品的换向窑炉及复合消泡剂使用方法
CN112321135B (zh) * 2020-09-28 2022-07-26 江苏孚日玻璃科技有限公司 一种环保节能保温的玻璃窑炉及其工作方法
CN113371980A (zh) * 2021-06-21 2021-09-10 中国原子能科学研究院 卸料装置、冷坩埚熔融装置以及卸料方法

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US805139A (en) * 1904-06-13 1905-11-21 Charles W Brown Manufacture of glass.
US1598308A (en) * 1922-11-01 1926-08-31 Cole French Com Pany Method of and apparatus for fining glass
US1564235A (en) * 1923-12-05 1925-12-08 Pittsburgh Plate Glass Co Process and apparatus for melting and fining glass
GB654141A (en) * 1940-01-11 1951-06-06 Minnesota Mining & Mfg Improvements in or relating to composite or laminated sheet materials, for example sandblast stencils
US2465283A (en) * 1946-06-17 1949-03-22 Glass Fibers Inc Melting and drawing furnace
NL146923B (nl) * 1948-12-02 Mueller Co Koppeling voor een kunststofbuis.
US2781411A (en) * 1953-06-10 1957-02-12 Jenaer Glaswerk Schott & Gen Process and apparatus for purifying glass
FR1101090A (fr) * 1953-06-11 1955-09-27 Jenaer Glaswerk Schott & Gen Affinage du verre
NL124733C (de) * 1962-01-29
GB1103329A (en) * 1964-09-15 1968-02-14 Gen Trustee Co Ltd Refining of silicon
US3350185A (en) * 1965-01-18 1967-10-31 Owens Illinois Inc Method of eliminating a foam blanket on the surface of molten glass
US3338694A (en) * 1965-02-26 1967-08-29 John R Davy Manufacture calcium aluminate optical glass
FR1485634A (fr) * 1966-04-19 1967-06-23 Boussois Souchon Neuvesel Sa Procédé et dispositif pour la fusion du verre et l'élaboration de produits vitreux
AU452856B2 (en) * 1972-06-16 1974-09-19 Aci Operations Pty. Limited Glass colour changes
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Also Published As

Publication number Publication date
FI872981A (fi) 1988-01-08
JPS6325226A (ja) 1988-02-02
DK164542B (da) 1992-07-13
CN87105721A (zh) 1988-06-01
DK345687D0 (da) 1987-07-06
IL83035A (en) 1995-08-31
EP0253188A1 (de) 1988-01-20
KR900005198B1 (ko) 1990-07-21
PT85267A (pt) 1988-07-29
FI872981A0 (fi) 1987-07-06
MX164857B (es) 1992-09-29
AU574613B2 (en) 1988-07-07
EP0253188B1 (de) 1989-07-05
CA1275572C (en) 1990-10-30
US4794860A (en) 1989-01-03
CN1007059B (zh) 1990-03-07
NZ220810A (en) 1989-08-29
DK164542C (da) 1992-11-30
SG90291G (en) 1991-11-22
MY102868A (en) 1993-03-31
JPH02299B2 (de) 1990-01-05
AU7503687A (en) 1988-01-14
IL83035A0 (en) 1987-12-20
ATE44377T1 (de) 1989-07-15
FI82233C (fi) 1991-02-11
PH23557A (en) 1989-08-25
KR880001536A (ko) 1988-04-23
PT85267B (pt) 1993-07-30
DK345687A (da) 1988-01-08
FI82233B (fi) 1990-10-31
IN171103B (de) 1992-07-18
EG18519A (en) 1993-07-30
BR8703392A (pt) 1988-03-22
ES2009822B3 (es) 1989-10-16
GR3000096T3 (en) 1990-11-29
ZA874581B (en) 1989-05-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PPG INDUSTRIES OHIO, INC., CLEVELAND, OHIO, US

8339 Ceased/non-payment of the annual fee