JP7300553B2 - 高世代tft-lcdガラス基板生産ライン - Google Patents
高世代tft-lcdガラス基板生産ライン Download PDFInfo
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- 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
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B18/00—Shaping glass in contact with the surface of a liquid
- C03B18/02—Forming sheets
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B25/00—Annealing glass products
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B25/00—Annealing glass products
- C03B25/04—Annealing glass products in a continuous way
- C03B25/06—Annealing glass products in a continuous way with horizontal displacement of the glass products
- C03B25/08—Annealing glass products in a continuous way with horizontal displacement of the glass products of glass sheets
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
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- 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
- C03B5/1675—Platinum group metals
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- 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
-
- 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
- C03B5/182—Stirring devices; Homogenisation by moving the molten glass along fixed elements, e.g. deflectors, weirs, baffle plates
-
- 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
-
- 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
- C03B5/187—Stirring devices; Homogenisation with moving elements
-
- 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
- C03B5/235—Heating the glass
- C03B5/2353—Heating the glass by combustion with pure oxygen or oxygen-enriched air, e.g. using oxy-fuel burners or oxygen lances
-
- 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
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B7/00—Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob, e.g. controlling the gob shape, weight or delivery tact
- C03B7/02—Forehearths, i.e. feeder channels
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- 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
Description
本出願は2020年06月08日に中国国家知的財産権局に提出した、出願番号が202010510899.7であり、発明の名称が「高世代TFT-LCDガラス基板生産ライン」である中国特許出願に基づき優先権を主張する。ここで、その全ての内容は、援用により本出願に組み込まれる。
本発明に係るTFT-LCDガラス基板生産ラインは、第8.5世代や第10.5/11世代等の大型TFT-LCDガラス基板を安定に生産でき、製品サイズが大きく、製品性能に優れ、生産効率が高く、生産能力が大きいなどの利点がある。
Claims (9)
- 順次に連結された窯炉(a)、貴金属通路(b)、スズ槽(c)、アニール炉(d)、切断機(e)、及びアンローダー(f)を含む高世代TFT-LCDガラス基板製造ラインであって、
前記窯炉(a)は、窯炉壁(a1)の両側の内壁に対称的に設けられた1組の電極(5)と、窯炉(a)の天井に設けられた1組の純酸素バーナー(6)とを含み、
前記貴金属通路は、溶融ガラス混合攪拌区間(1)を含み、
溶融ガラス混合攪拌区間(1)の一端に2つの溶融ガラス加熱清澄冷却区間(2)が並列に接続され、
前記2つの溶融ガラス加熱清澄冷却区間(2)のそれぞれの一端は窯炉(a)に連結され、
溶融ガラス混合攪拌区間(1)の他端は液体供給槽(3)に連結され、
前記液体供給槽(3)はスズ槽(c)の液体入口に連結されており、
前記アニール炉(d)内において、入口から出口に向けて、温度領域であるA、B、C、D、Ret及びFが区切られ、
A温度領域の温度が600~800℃であり、B温度領域の温度が500~700℃であり、C温度領域の温度が400~600℃であり、D温度領域の温度が300~500℃であり、Ret温度領域の温度が200~400℃であり、F温度領域の温度が50~200℃であり、
Ret温度領域とF温度領域との間に、窯壁が開いた自然冷却領域Eが設けられる、
高世代TFT-LCDガラス基板生産ライン。 - 前記1組の純酸素バーナー(6)は、火炎噴射口が鉛直下方を向いており、火炎は窯炉(a)内の溶融ガラスの液面に接触できる、
ことを特徴とする請求項1に記載の高世代TFT-LCDガラス基板生産ライン。 - 前記溶融ガラス加熱清澄冷却区間(2)は、一端が窯炉(a)に連結される加熱通路(2a)を含み、
加熱通路(2a)の他端に清澄槽(2b)と冷却通路(2c)とが順次に連結されている、
ことを特徴とする請求項1に記載の高世代TFT-LCDガラス基板生産ライン。 - 前記溶融ガラス混合攪拌区間(1)は合流通路(1a)を含み、
合流通路(1a)の一端は2つの前記冷却通路(2c)に連結され、
合流通路(1a)内に1組のスポイラー(1c)が設けられ、
合流通路(1a)の他端には少なくとも1つの溶融ガラス攪拌槽(1b)が連結され、
溶融ガラス攪拌槽(1b)の液体出口が液体供給槽(3)に連結されている、
ことを特徴とする請求項3に記載の高世代TFT-LCDガラス基板生産ライン。 - 前記1組のスポイラー(1c)のうちの各スポイラー(1c)はずれて配置しており、
1組のスポイラー(1c)によって、合流通路(1a)内に1本の蛇行通路(4)が区画された、
ことを特徴とする請求項4に記載の高世代TFT-LCDガラス基板生産ライン。 - 合流通路(1a)の他端に少なくとも1つの溶融ガラス攪拌槽(1b)が順次に連結されている、
ことを特徴とする請求項4に記載の高世代TFT-LCDガラス基板生産ライン。 - 溶融ガラス攪拌槽(1b)が複数ある場合、隣接する2つの溶融ガラス攪拌槽(1b)の攪拌方向が異なる、
ことを特徴とする請求項6に記載の高世代TFT-LCDガラス基板生産ライン。 - 前記スズ槽(c)の液体入口の温度が1200~1400℃であり、スズ槽(c)の液体出口の温度が650~850℃である、
ことを特徴とする請求項1に記載の高世代TFT-LCDガラス基板生産ライン。 - 前記スズ槽(c)内に、水素の割合が3~8%である窒素水素混合シールドガスが導入される、
ことを特徴とする請求項1に記載の高世代TFT-LCDガラス基板生産ライン。
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CN202010510899.7A CN111747634B (zh) | 2020-06-08 | 2020-06-08 | 一种高世代tft-lcd玻璃基板生产线 |
CN202010510899.7 | 2020-06-08 | ||
PCT/CN2021/089346 WO2021249042A1 (zh) | 2020-06-08 | 2021-04-23 | 一种高世代tft-lcd玻璃基板生产线 |
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CN111747634B (zh) * | 2020-06-08 | 2022-03-15 | 中建材蚌埠玻璃工业设计研究院有限公司 | 一种高世代tft-lcd玻璃基板生产线 |
CN113845291B (zh) * | 2021-10-25 | 2023-04-07 | 北京工业大学 | 一种消除中硼硅药用玻璃浮渣的方法及玻璃熔窑结构 |
CN114230149A (zh) * | 2021-12-21 | 2022-03-25 | 中国建材国际工程集团有限公司 | 用于tft玻璃的生产线 |
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- 2020-06-08 CN CN202010510899.7A patent/CN111747634B/zh active Active
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- 2021-04-23 US US17/778,255 patent/US20230219835A1/en active Pending
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- 2021-04-23 KR KR1020227014863A patent/KR20220075408A/ko not_active Application Discontinuation
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US20230219835A1 (en) | 2023-07-13 |
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