JP2016169151A - ガラス溶解炉 - Google Patents
ガラス溶解炉 Download PDFInfo
- Publication number
- JP2016169151A JP2016169151A JP2016095143A JP2016095143A JP2016169151A JP 2016169151 A JP2016169151 A JP 2016169151A JP 2016095143 A JP2016095143 A JP 2016095143A JP 2016095143 A JP2016095143 A JP 2016095143A JP 2016169151 A JP2016169151 A JP 2016169151A
- Authority
- JP
- Japan
- Prior art keywords
- wall
- electrode holder
- electrode
- furnace
- barrier layer
- 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.)
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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
- C03B5/02—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
- C03B5/027—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by passing an electric current between electrodes immersed in the glass bath, i.e. by direct resistance 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
- C03B5/167—Means for preventing damage to equipment, e.g. by molten glass, hot gases, batches
-
- 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
- C03B5/167—Means for preventing damage to equipment, e.g. by molten glass, hot gases, batches
- C03B5/1672—Use of materials therefor
-
- 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
- C03B5/18—Stirring devices; Homogenisation
- C03B5/183—Stirring devices; Homogenisation using thermal means, e.g. for creating convection currents
- C03B5/185—Electric means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/02—Ohmic resistance heating
- F27D11/04—Ohmic resistance heating with direct passage of current through the material being heated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/08—Heating by electric discharge, e.g. arc discharge
- F27D11/10—Disposition of electrodes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
- H05B3/03—Electrodes
-
- 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
- C03B5/235—Heating the glass
-
- 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)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Glass Melting And Manufacturing (AREA)
- Furnace Details (AREA)
- Discharge Heating (AREA)
Abstract
【解決手段】ガラス溶解炉用の電極ホルダ(10)が、外壁(12)、電極を受け入れるためのチャネル(20)を画成している内壁(14)、外壁と内壁との間に位置付けられる冷却剤の流れを受け入れる、冷却剤通路(30,40)、そして内壁および外壁を電極ホルダの第1端部で結合しているノーズ部材(16)を備えている。ノーズ部材が、このノーズ部材の外表面に堆積された耐火性バリア層(46)を有し、このバリア層が炉内の溶融ガラス材料(48)と接触する。
【選択図】図3
Description
12 外壁
14 内壁
16 ノーズ部材
20 チャネル
22 電極
30 導管
40 キャビティ
44 耐火ブロック
45 底壁
46 耐火性バリア層
48 溶融ガラス材料
52 炉
54 側壁
Claims (9)
- 炉であって、
それ自体を貫通する通路を画成している耐火ブロックと、
該通路内に位置付けられた電極ホルダとを含み、該電極ホルダが、
外壁、
電極を受け入れるためのチャネルを画成している、内壁、
前記外壁と前記内壁との間に位置付けられる冷却剤の流れを受け入れる、冷却剤通路、
前記内壁および前記外壁を、該電極ホルダの第1端部で結合している、ノーズ部材、を備えたものであり、
環状の前記ノーズ部材が、該ノーズ部材の外表面に堆積された耐火性バリア層を備えていることを特徴とする炉。 - 前記冷却剤通路が、導管を含むことを特徴とする請求項1記載の炉。
- 前記耐火性バリア層が溶融ガラス材料と接触することを特徴とする請求項1から3のいずれか1項記載の炉。
- 前記耐火性バリア層の厚さが100μm以上であることを特徴とする請求項1から3のいずれか1項記載の炉。
- 前記電極ホルダが、前記炉の底壁に位置付けられていることを特徴とする請求項1から4のいずれか1項記載の炉。
- 前記電極ホルダが、前記炉の側壁に位置付けられていることを特徴とする請求項1から5のいずれか1項記載の炉。
- 前記耐火性バリア層が、前記電極ホルダの前記内壁の少なくとも一部に堆積されていることを特徴とする請求項1から6いずれか1項記載の炉。
- 前記バリア層の熱膨張係数と環状の前記ノーズ部材の熱膨張係数との間の差が、1桁以下であることを特徴とする請求項1から7いずれか1項記載の炉。
- 溶融ガラス材料を炉の中で形成する方法において、
それ自体を貫通する通路を画成している耐火ブロックを含む前記炉の中で溶融ガラス材料を加熱するステップであって、該加熱するステップが、電極ホルダ内に位置付けられた電極に電流を流すステップを含み、前記電極ホルダが前記通路を通って延び、前記電極ホルダが、
外壁、
電極を受け入れるためのチャネルを画成している、内壁、
前記外壁と前記内壁との間に位置付けられる冷却剤の流れを受け入れる、通路、
前記内壁および前記外壁を、該電極ホルダの第1端部で結合している、ノーズ部材、および、
環状の前記ノーズ部材の外表面上に堆積された耐火性バリア層、を備えたものである、加熱ステップ、並びに、
前記加熱ステップ中に、前記内壁と前記電極との間に無酸素ガスを流すステップ、
を含むことを特徴とする方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/094,182 US20120275483A1 (en) | 2011-04-26 | 2011-04-26 | Electrode holder for electric glass melting |
US13/094,182 | 2011-04-26 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012099881A Division JP5936904B2 (ja) | 2011-04-26 | 2012-04-25 | 電気的ガラス溶解用電極ホルダ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016169151A true JP2016169151A (ja) | 2016-09-23 |
JP6324435B2 JP6324435B2 (ja) | 2018-05-16 |
Family
ID=46084816
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012099881A Active JP5936904B2 (ja) | 2011-04-26 | 2012-04-25 | 電気的ガラス溶解用電極ホルダ |
JP2016095143A Active JP6324435B2 (ja) | 2011-04-26 | 2016-05-11 | ガラス溶解炉 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012099881A Active JP5936904B2 (ja) | 2011-04-26 | 2012-04-25 | 電気的ガラス溶解用電極ホルダ |
Country Status (6)
Country | Link |
---|---|
US (1) | US20120275483A1 (ja) |
EP (1) | EP2518027B1 (ja) |
JP (2) | JP5936904B2 (ja) |
KR (1) | KR101941287B1 (ja) |
CN (2) | CN202912819U (ja) |
TW (1) | TWI592380B (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120275483A1 (en) * | 2011-04-26 | 2012-11-01 | Gilbert De Angelis | Electrode holder for electric glass melting |
JP6333602B2 (ja) * | 2014-03-31 | 2018-05-30 | AvanStrate株式会社 | ガラス基板の製造方法 |
JP6794691B2 (ja) * | 2016-07-15 | 2020-12-02 | 日本電気硝子株式会社 | 電極ホルダ及び電極ユニット |
JP6925583B2 (ja) * | 2017-12-20 | 2021-08-25 | 日本電気硝子株式会社 | ガラス物品の製造方法及び製造装置 |
JP7118359B2 (ja) * | 2018-05-30 | 2022-08-16 | 日本電気硝子株式会社 | ガラス物品の製造方法 |
KR20210095213A (ko) | 2018-12-21 | 2021-07-30 | 코닝 인코포레이티드 | 저저항률 유리에서 고전류 입력을 가능하게 하는 버스바 설계 |
CN110054395A (zh) * | 2019-06-03 | 2019-07-26 | 山东力诺特种玻璃股份有限公司 | 电熔炉用电极水套及安装方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3634588A (en) * | 1970-05-28 | 1972-01-11 | Toledo Engineering Co Inc | Electric glass furnace |
US3777040A (en) * | 1973-04-25 | 1973-12-04 | Toledo Eng Co Inc | Protection of glass melting furnace electrode |
JPH05505168A (ja) * | 1991-01-07 | 1993-08-05 | トリード・エンジニアリング・カンパニー・インコーポレイテツド | ガラス溶融電気炉 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2693498A (en) * | 1953-08-03 | 1954-11-02 | Harvey L Penberthy | Electrode assembly for glass furnaces |
CA636268A (en) * | 1955-11-21 | 1962-02-13 | The Babcock And Wilcox Company | Tap assembly for an electric furnace |
US3384698A (en) * | 1966-03-21 | 1968-05-21 | Emhart Corp | Electrode holder for glass melting furnace |
GB1472057A (en) * | 1973-04-25 | 1977-04-27 | Elemelt Ltd | Electrodes for glass melting furnaces |
JPS5551723A (en) * | 1978-10-05 | 1980-04-15 | Asahi Glass Co Ltd | Oxidation preventing method for glass melting molybdenum electrode |
US4287381A (en) * | 1978-12-19 | 1981-09-01 | British Steel Corporation | Electric arc furnace electrodes |
DE3040150A1 (de) * | 1980-10-24 | 1982-05-27 | Sorg GmbH & Co KG, 8770 Lohr | Halterung fuer eine elektrode eines glasschmelzofens |
US4468779A (en) * | 1982-12-06 | 1984-08-28 | Cri Engineering, Inc. | Electrode assembly for melting glass |
US4633481A (en) * | 1984-10-01 | 1986-12-30 | Ppg Industries, Inc. | Induction heating vessel |
US5151918A (en) * | 1990-08-28 | 1992-09-29 | Argent Ronald D | Electrode blocks and block assemblies |
JPH04342425A (ja) * | 1991-05-17 | 1992-11-27 | Nippon Sheet Glass Co Ltd | 電極の保護方法 |
US5569475A (en) * | 1993-06-10 | 1996-10-29 | D-M-E Company | Insulator for thermoplastic molding nozzle assembly |
IT1310574B1 (it) * | 1999-06-11 | 2002-02-19 | Danieli Off Mecc | Dispositivo per il raffreddamento e la protezione di un catododi un forno elettrico ad arco |
DE102004031241B4 (de) * | 2004-06-29 | 2007-05-24 | Beteiligungen Sorg Gmbh & Co. Kg | Elektrodensystem für Glas-Schmelzöfen |
US20120275483A1 (en) * | 2011-04-26 | 2012-11-01 | Gilbert De Angelis | Electrode holder for electric glass melting |
-
2011
- 2011-04-26 US US13/094,182 patent/US20120275483A1/en not_active Abandoned
-
2012
- 2012-04-16 TW TW101113499A patent/TWI592380B/zh active
- 2012-04-19 KR KR1020120041081A patent/KR101941287B1/ko active IP Right Grant
- 2012-04-24 CN CN2012201773075U patent/CN202912819U/zh not_active Expired - Lifetime
- 2012-04-24 CN CN201210122220.2A patent/CN102757166B/zh active Active
- 2012-04-25 JP JP2012099881A patent/JP5936904B2/ja active Active
- 2012-04-26 EP EP12165612.8A patent/EP2518027B1/en active Active
-
2016
- 2016-05-11 JP JP2016095143A patent/JP6324435B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3634588A (en) * | 1970-05-28 | 1972-01-11 | Toledo Engineering Co Inc | Electric glass furnace |
US3777040A (en) * | 1973-04-25 | 1973-12-04 | Toledo Eng Co Inc | Protection of glass melting furnace electrode |
JPH05505168A (ja) * | 1991-01-07 | 1993-08-05 | トリード・エンジニアリング・カンパニー・インコーポレイテツド | ガラス溶融電気炉 |
Also Published As
Publication number | Publication date |
---|---|
US20120275483A1 (en) | 2012-11-01 |
EP2518027A2 (en) | 2012-10-31 |
EP2518027A3 (en) | 2012-11-28 |
KR101941287B1 (ko) | 2019-01-22 |
CN102757166B (zh) | 2014-12-03 |
CN202912819U (zh) | 2013-05-01 |
TW201247576A (en) | 2012-12-01 |
JP6324435B2 (ja) | 2018-05-16 |
EP2518027B1 (en) | 2017-10-25 |
JP5936904B2 (ja) | 2016-06-22 |
CN102757166A (zh) | 2012-10-31 |
KR20120121354A (ko) | 2012-11-05 |
JP2012229153A (ja) | 2012-11-22 |
TWI592380B (zh) | 2017-07-21 |
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