JP2015091754A - 減圧清澄において発生した泡沫を調節する方法 - Google Patents
減圧清澄において発生した泡沫を調節する方法 Download PDFInfo
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- JP2015091754A JP2015091754A JP2014244823A JP2014244823A JP2015091754A JP 2015091754 A JP2015091754 A JP 2015091754A JP 2014244823 A JP2014244823 A JP 2014244823A JP 2014244823 A JP2014244823 A JP 2014244823A JP 2015091754 A JP2015091754 A JP 2015091754A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000007670 refining Methods 0.000 title abstract 3
- 230000006837 decompression Effects 0.000 title abstract 2
- 239000012768 molten material Substances 0.000 claims abstract description 40
- 239000007789 gas Substances 0.000 claims description 39
- 238000005352 clarification Methods 0.000 claims description 24
- 230000032683 aging Effects 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 238000010304 firing Methods 0.000 claims 2
- 230000035800 maturation Effects 0.000 abstract 1
- 239000006060 molten glass Substances 0.000 description 56
- 239000011521 glass Substances 0.000 description 55
- 238000002844 melting Methods 0.000 description 14
- 230000008018 melting Effects 0.000 description 14
- 238000003860 storage Methods 0.000 description 13
- 239000006063 cullet Substances 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 5
- 239000006025 fining agent Substances 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000005187 foaming Methods 0.000 description 4
- 239000006066 glass batch Substances 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 239000005361 soda-lime glass Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000013019 agitation Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 229910001260 Pt alloy Inorganic materials 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
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- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- IKWTVSLWAPBBKU-UHFFFAOYSA-N a1010_sial Chemical compound O=[As]O[As]=O IKWTVSLWAPBBKU-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001339 alkali metal compounds Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- GHPGOEFPKIHBNM-UHFFFAOYSA-N antimony(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Sb+3].[Sb+3] GHPGOEFPKIHBNM-UHFFFAOYSA-N 0.000 description 1
- 229910000413 arsenic oxide Inorganic materials 0.000 description 1
- 229960002594 arsenic trioxide Drugs 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- C03B5/26—Outlets, e.g. drains, siphons; Overflows, e.g. for supplying the float tank, tweels
- C03B5/262—Drains, i.e. means to dump glass melt or remove unwanted materials
-
- 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
- C03B5/20—Bridges, shoes, throats, or other devices for withholding dirt, foam, or batch
- C03B5/202—Devices for blowing onto the melt surface, e.g. high momentum burners
-
- 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
- C03B5/205—Mechanical means for skimming or scraping the melt surface
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Glass Compositions (AREA)
- Glass Melting And Manufacturing (AREA)
- Degasification And Air Bubble Elimination (AREA)
Abstract
Description
2、12 真空ハウジング
3、28 上昇管
4、32 下降管
5、25、33、35 断熱材
6、7 貯蔵容器
8、50 ヘッドスペース
10 減圧清澄器
14 入口端
16、44 出口端
20、22 シール
24 清澄チャンバ
36 ガラス溶融炉
45、72 泡沫
52 泡沫熟成区域
54 泡沫破壊手段
63 ノズル
68、80 泡沫チャンバ
88 カレット
Claims (11)
- 溶融材料が清澄チャンバ中の減圧に遭遇したときに生成される泡沫を調節する方法であって、
前記溶融材料を、傾斜した導管を通して、前記清澄チャンバ中に流入させる工程であって、その際に該溶融材料中の気泡が該導管の表面に集積される、工程、および
前記溶融材料をして、前記清澄チャンバ中の熟成区域を通過させる工程であって、その際に前記溶融材料が前記泡沫の気泡の間から流れ出る、工程、および
前記溶融材料が流れ出た泡沫の気泡を破壊する工程
を有してなる方法。 - 前記導管の表面に集積された気泡を、該導管が前記清澄チャンバに接続される前の位置で該導管に接続された直立管を通して除去する工程をさらに含むことを特徴とする請求項1記載の方法。
- 前記溶融材料の流れ出た泡沫の気泡を破壊する工程が、該気泡を広げ、破壊させるための機械式回転体を使用することを含むことを特徴とする請求項1または2記載の方法。
- 前記溶融材料の流れ出た泡沫の気泡を破壊する工程が、該溶融材料の流れ出た泡沫に向けてガスジェットを発射するノズルを使用することを含むことを特徴とする請求項1または2記載の方法。
- 前記溶融材料の流れ出た泡沫の気泡を破壊する工程が、該溶融材料の流れ出た泡沫に向けて粒子を含むガススプレーを発射する泡沫破壊手段を使用することを含むことを特徴とする請求項1または2記載の方法。
- 大気圧より低い圧力を有すると共に熟成区域を備えた清澄チャンバであって、溶融材料が該清澄チャンバ中の大気圧より低い圧力に遭遇したときに泡沫が生成され、前記溶融材料が前記熟成区域を通過する間に前記泡沫の気泡の間から該溶融材料が流れ出る、清澄チャンバ、
該清澄チャンバに溶融材料を導くための第1の導管であって、該第1の導管は垂直に対して傾斜しており、前記溶融材料中の気泡が、該溶融材料が該第1の導管を通って流動するときに該第1の導管の表面に集積される第1の導管、
前記清澄チャンバから前記溶融材料を除去するための第2の導管、および
前記溶融材料が流れ出た泡沫の気泡を破壊する手段、
を備えてなる減圧清澄器。 - 前記第1の導管が前記清澄チャンバに接続される前の位置で該第1の導管に水圧式に接続された直立管であって、前記第1の導管の表面に集積された気泡をそこを通して除去する直立管をさらに備えることを特徴とする請求項6記載の減圧清澄器。
- 前記直立管が、該直立管中の溶融材料の境界線が前記清澄チャンバ中の溶融材料の境界線よりも上にあるように位置していることを特徴とする請求項7記載の減圧清澄器。
- 前記溶融材料が流れ出た泡沫の気泡を破壊する手段が、
(1)前記気泡を広げ、破壊させるための機械式回転体;
(2)前記溶融材料の流れ出た泡沫に向けてガスジェットを発射するノズル;または
(3)前記溶融材料の流れ出た泡沫に向けて粒子を含むガススプレーを発射する泡沫破壊手段;
のいずれかであることを特徴とする請求項6から8いずれか1項記載の減圧清澄器。 - 前記溶融材料が流れ出た泡沫の気泡を破壊する手段が前記ノズルであり、該ノズルが、
(i)回転ノズル;
(ii)パルス状ガスジェットを発射するノズル;または
(iii)内側管が第1のガスを通し、外側管が第2のガスを通して前記ガスジェットを形成する、これら内側管と外側管の2つの同心管を有するノズル;
のいずれかであることを特徴とする請求項9記載の減圧清澄器。 - 前記第1のガスが水素であり、前記第2のガスが酸素であることを特徴とする請求項10記載の減圧清澄器。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/908,302 US6854290B2 (en) | 2001-07-18 | 2001-07-18 | Method for controlling foam production in reduced pressure fining |
US09/908,302 | 2001-07-18 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012041135A Division JP2012144429A (ja) | 2001-07-18 | 2012-02-28 | 減圧清澄において発生した泡沫を調節する方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015091754A true JP2015091754A (ja) | 2015-05-14 |
JP6475480B2 JP6475480B2 (ja) | 2019-02-27 |
Family
ID=25425555
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002198923A Expired - Fee Related JP4198950B2 (ja) | 2001-07-18 | 2002-07-08 | 減圧清澄において発生した泡沫を調節する方法 |
JP2008204171A Expired - Lifetime JP5249671B2 (ja) | 2001-07-18 | 2008-08-07 | 減圧清澄において発生した泡沫を調節する方法 |
JP2012041135A Pending JP2012144429A (ja) | 2001-07-18 | 2012-02-28 | 減圧清澄において発生した泡沫を調節する方法 |
JP2014244823A Expired - Fee Related JP6475480B2 (ja) | 2001-07-18 | 2014-12-03 | 減圧清澄において発生した泡沫を調節する方法 |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002198923A Expired - Fee Related JP4198950B2 (ja) | 2001-07-18 | 2002-07-08 | 減圧清澄において発生した泡沫を調節する方法 |
JP2008204171A Expired - Lifetime JP5249671B2 (ja) | 2001-07-18 | 2008-08-07 | 減圧清澄において発生した泡沫を調節する方法 |
JP2012041135A Pending JP2012144429A (ja) | 2001-07-18 | 2012-02-28 | 減圧清澄において発生した泡沫を調節する方法 |
Country Status (2)
Country | Link |
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US (2) | US6854290B2 (ja) |
JP (4) | JP4198950B2 (ja) |
Families Citing this family (66)
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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 |
US7150165B2 (en) * | 2003-01-09 | 2006-12-19 | Richard Bruce Pitbladdo | Molten glass fining apparatus |
US8156766B2 (en) * | 2003-01-09 | 2012-04-17 | Corning Incorporated | Molten optical glass fining apparatus |
US6795484B1 (en) | 2003-05-19 | 2004-09-21 | Johns Manville International, Inc. | Method and system for reducing a foam in a glass melting furnace |
JP4513605B2 (ja) * | 2005-03-07 | 2010-07-28 | 旭硝子株式会社 | 溶融ガラスの減圧脱泡装置、および該減圧脱泡装置を用いた溶融ガラスの清澄方法、ならびにガラス製造装置要素 |
DE102005013468B4 (de) * | 2005-03-21 | 2011-04-28 | Diether Böttger | Vorrichtung und Verfahren zum Läutern von Glas |
FR2893937A1 (fr) * | 2005-11-30 | 2007-06-01 | Saint Gobain | Procede de fabrication du verre |
FR2896242B1 (fr) * | 2006-01-19 | 2008-02-29 | Saint Gobain | Procede de fabrication de substrats en verre pour ecrans de visualisation |
WO2007063251A1 (fr) * | 2005-11-30 | 2007-06-07 | Saint-Gobain Glass France | Procede de fabrication du verre |
DE102006025512B4 (de) * | 2006-05-30 | 2010-06-10 | Diether Böttger | Verfahren und Vorrichtung zum Läutern von Glasschmelze unter Unterdruck |
JP5067371B2 (ja) * | 2006-08-29 | 2012-11-07 | 旭硝子株式会社 | 溶融ガラスの導管構造および該導管構造を用いた減圧脱泡装置 |
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US8925353B2 (en) * | 2007-11-08 | 2015-01-06 | Corning Incorporated | Process and system for fining glass |
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JP2008290944A (ja) | 2008-12-04 |
US7134300B2 (en) | 2006-11-14 |
US6854290B2 (en) | 2005-02-15 |
JP5249671B2 (ja) | 2013-07-31 |
JP2012144429A (ja) | 2012-08-02 |
JP4198950B2 (ja) | 2008-12-17 |
US20030015000A1 (en) | 2003-01-23 |
JP2003089529A (ja) | 2003-03-28 |
US20050155387A1 (en) | 2005-07-21 |
JP6475480B2 (ja) | 2019-02-27 |
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