JP2009502715A - ガラス溶融体中の清澄剤の有効性を増大させる方法 - Google Patents
ガラス溶融体中の清澄剤の有効性を増大させる方法 Download PDFInfo
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- JP2009502715A JP2009502715A JP2008523909A JP2008523909A JP2009502715A JP 2009502715 A JP2009502715 A JP 2009502715A JP 2008523909 A JP2008523909 A JP 2008523909A JP 2008523909 A JP2008523909 A JP 2008523909A JP 2009502715 A JP2009502715 A JP 2009502715A
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- 238000000034 method Methods 0.000 title claims description 34
- 239000000156 glass melt Substances 0.000 title abstract description 62
- 239000006025 fining agent Substances 0.000 title abstract description 43
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 98
- 239000001301 oxygen Substances 0.000 claims abstract description 98
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 97
- 239000007789 gas Substances 0.000 claims abstract description 72
- 230000005587 bubbling Effects 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000011521 glass Substances 0.000 claims description 93
- 239000006060 molten glass Substances 0.000 claims description 27
- 238000004519 manufacturing process Methods 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 14
- 229910052756 noble gas Inorganic materials 0.000 claims description 13
- 229910052734 helium Inorganic materials 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229910052743 krypton Inorganic materials 0.000 claims description 2
- 239000000155 melt Substances 0.000 description 53
- 238000002844 melting Methods 0.000 description 36
- 230000008018 melting Effects 0.000 description 36
- 238000005352 clarification Methods 0.000 description 21
- 229910052785 arsenic Inorganic materials 0.000 description 20
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 20
- 230000036961 partial effect Effects 0.000 description 14
- 230000002829 reductive effect Effects 0.000 description 10
- 229910006404 SnO 2 Inorganic materials 0.000 description 9
- 238000005816 glass manufacturing process Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000004927 fusion Effects 0.000 description 7
- 239000001307 helium Substances 0.000 description 7
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 7
- 238000007500 overflow downdraw method Methods 0.000 description 7
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 7
- 229910001887 tin oxide Inorganic materials 0.000 description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 238000007496 glass forming Methods 0.000 description 5
- 238000010309 melting process Methods 0.000 description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 5
- 229910052787 antimony Inorganic materials 0.000 description 4
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 230000035040 seed growth Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000006063 cullet Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 150000004820 halides Chemical class 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 150000002835 noble gases Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 101100493706 Caenorhabditis elegans bath-38 gene Proteins 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 238000006124 Pilkington process Methods 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009102 absorption Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- LJCFOYOSGPHIOO-UHFFFAOYSA-N antimony pentoxide Chemical compound O=[Sb](=O)O[Sb](=O)=O LJCFOYOSGPHIOO-UHFFFAOYSA-N 0.000 description 1
- 239000006121 base glass Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 238000003280 down draw process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012803 melt mixture Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- PXXKQOPKNFECSZ-UHFFFAOYSA-N platinum rhodium Chemical compound [Rh].[Pt] PXXKQOPKNFECSZ-UHFFFAOYSA-N 0.000 description 1
- HWLDNSXPUQTBOD-UHFFFAOYSA-N platinum-iridium alloy Chemical compound [Ir].[Pt] HWLDNSXPUQTBOD-UHFFFAOYSA-N 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009103 reabsorption Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052851 sillimanite Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- C03B18/20—Composition of the atmosphere above the float bath; Treating or purifying the atmosphere above the float bath
- C03B18/22—Controlling or regulating the temperature of the atmosphere above the float tank
-
- 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
- C03B5/193—Stirring devices; Homogenisation using gas, e.g. bubblers
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
- Glass Melting And Manufacturing (AREA)
Abstract
Description
12 ガラスシート
14 溶融炉(メルター)
18 溶融ガラス
20 冷却槽
22 清澄化槽
24,28,32,44 チューブ
26 混合槽
30 供給槽(ボウル)
34 降下管
36 注入口
38 成形槽(アイソパイプ、フュージョンパイプ)
42 供給タンク
46 ガスヘッダー
48 バルブ
Claims (10)
- 供給材料を加熱して、多価酸化物を含む溶融ガラスを第1の温度T1において形成し、
該溶融ガラスを前記第1の温度T1よりも低い第2の温度T2まで冷却し、
前記冷却された溶融ガラス中に、酸素を含む第1のガスを前記第2の温度T2において導入し、
前記冷却された溶融ガラスを、前記第1の温度T1に等しいかそれよりも高い第3の温度T3まで加熱する、
諸ステップを含むことを特徴とするガラス作成方法。 - 前記第1のガスが、約5体積%を超える量の酸素を含むことを特徴とする請求項1記載の方法。
- 前記第1のガスが、Ar,Xe,Ne,He,Kr,N2およびそれらの混合物からなる群から選ばれた希ガスをさらに含むことを特徴とする請求項1記載の方法。
- 前記導入ステップ中における前記冷却された溶融ガラスの粘度が約100Pa・s(約1000ポアズ)未満であることを特徴とする請求項1記載の方法。
- 前記冷却された溶融ガラス中に、Ar,Xe,Ne,He,Kr,N2およびそれらの混合物からなる群から選ばれた希ガスを含む第2のガスを前記第2の温度T2において導入することを特徴とする請求項1記載の方法。
- T1−T2≧50℃であることを特徴とする請求項1記載の方法。
- 前記溶融ガラスの前記第2の温度T2における滞留時間が約15分よりも長いことを特徴とする請求項1記載の方法。
- 前記第1のガスがバブリングにより導入されることを特徴とする請求項1記載の方法。
- 前記第1のガスが一定の流量で導入されることを特徴とする請求項1記載の方法。
- a)多価酸化物を含む溶融ガラスを第1の温度T1において提供し、
b)該溶融ガラスを前記第1の温度T1よりも低い第2の温度T2まで冷却し、
c)前記冷却された溶融ガラス中に酸素を含むガスを導入し、この場合、この導入ステップ中における前記溶融ガラスの粘度は約100Pa・s(約1000ポアズ)未満であり、
d)前記溶融ガラスを前記第1の温度T1以上の第3の温度T3まで加熱する、
諸ステップを含むことを特徴とするガラス作成方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/193,124 | 2005-07-28 | ||
US11/193,124 US7584632B2 (en) | 2005-07-28 | 2005-07-28 | Method of increasing the effectiveness of a fining agent in a glass melt |
PCT/US2006/026909 WO2007018910A2 (en) | 2005-07-28 | 2006-07-12 | Method of increasing the effectiveness of a fining agent in a glass melt |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009502715A true JP2009502715A (ja) | 2009-01-29 |
JP5297193B2 JP5297193B2 (ja) | 2013-09-25 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008523909A Active JP5297193B2 (ja) | 2005-07-28 | 2006-07-12 | ガラス溶融体中の清澄剤の有効性を増大させる方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7584632B2 (ja) |
EP (1) | EP1912907A2 (ja) |
JP (1) | JP5297193B2 (ja) |
KR (1) | KR101230754B1 (ja) |
CN (1) | CN101253124B (ja) |
TW (1) | TWI324143B (ja) |
WO (1) | WO2007018910A2 (ja) |
Cited By (8)
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JP2011111389A (ja) * | 2009-11-25 | 2011-06-09 | Corning Inc | 板ガラス製造のためのフュージョン法 |
JP2011525886A (ja) * | 2008-06-26 | 2011-09-29 | コーニング インコーポレイテッド | ガラス溶融物内へのガスのバブリング方法 |
JP2012517398A (ja) * | 2009-02-10 | 2012-08-02 | コーニング インコーポレイテッド | ガラス中のガス状包有物を減少させるための装置および方法 |
JP2013521205A (ja) * | 2010-02-25 | 2013-06-10 | コーニング インコーポレイテッド | ガラス物品を作製する装置および方法 |
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JP2015214477A (ja) * | 2007-04-03 | 2015-12-03 | コーニング インコーポレイテッド | ガラス製造プロセスにおいてガス状含有物を減少させる方法 |
JP2018528922A (ja) * | 2015-08-26 | 2018-10-04 | コーニング インコーポレイテッド | 均質性を高めるためのガラス溶融システム及び方法 |
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US20060242996A1 (en) * | 2005-04-27 | 2006-11-02 | Gilbert Deangelis | System and method for controlling the environment around one or more vessels in a glass manufacturing system |
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US7584632B2 (en) | 2005-07-28 | 2009-09-08 | Corning Incorporated | Method of increasing the effectiveness of a fining agent in a glass melt |
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Also Published As
Publication number | Publication date |
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WO2007018910A2 (en) | 2007-02-15 |
CN101253124A (zh) | 2008-08-27 |
KR20080029005A (ko) | 2008-04-02 |
TW200722394A (en) | 2007-06-16 |
US20070022780A1 (en) | 2007-02-01 |
KR101230754B1 (ko) | 2013-02-06 |
CN101253124B (zh) | 2011-07-27 |
TWI324143B (en) | 2010-05-01 |
EP1912907A2 (en) | 2008-04-23 |
WO2007018910A3 (en) | 2007-03-29 |
JP5297193B2 (ja) | 2013-09-25 |
US7584632B2 (en) | 2009-09-08 |
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