JP2013530113A - 耐火物、ガラスオーバーフロー成形ブロックならびに耐火物の成形方法および使用 - Google Patents
耐火物、ガラスオーバーフロー成形ブロックならびに耐火物の成形方法および使用 Download PDFInfo
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- JP2013530113A JP2013530113A JP2013508097A JP2013508097A JP2013530113A JP 2013530113 A JP2013530113 A JP 2013530113A JP 2013508097 A JP2013508097 A JP 2013508097A JP 2013508097 A JP2013508097 A JP 2013508097A JP 2013530113 A JP2013530113 A JP 2013530113A
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- 239000011521 glass Substances 0.000 title claims abstract description 115
- 238000000034 method Methods 0.000 title claims abstract description 54
- 239000011819 refractory material Substances 0.000 title claims abstract description 13
- 238000000465 moulding Methods 0.000 title claims description 34
- 230000007797 corrosion Effects 0.000 claims abstract description 75
- 238000005260 corrosion Methods 0.000 claims abstract description 75
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims abstract description 73
- 229910004298 SiO 2 Inorganic materials 0.000 claims abstract description 41
- 239000002019 doping agent Substances 0.000 claims abstract description 37
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 17
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 17
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 16
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 15
- 229910018566 Al—Si—Mg Inorganic materials 0.000 claims abstract description 4
- 150000001875 compounds Chemical class 0.000 claims abstract description 4
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 14
- 238000005245 sintering Methods 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 description 30
- 239000000843 powder Substances 0.000 description 30
- 239000002245 particle Substances 0.000 description 23
- 238000012360 testing method Methods 0.000 description 20
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 19
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 15
- 239000011777 magnesium Substances 0.000 description 13
- 239000006060 molten glass Substances 0.000 description 13
- 239000000395 magnesium oxide Substances 0.000 description 10
- 239000010955 niobium Substances 0.000 description 10
- 239000010936 titanium Substances 0.000 description 10
- 230000008901 benefit Effects 0.000 description 7
- 229910052845 zircon Inorganic materials 0.000 description 7
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 7
- 229910010293 ceramic material Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000007858 starting material Substances 0.000 description 5
- 229910018464 Al—Mg—Si Inorganic materials 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 229910052596 spinel Inorganic materials 0.000 description 4
- 239000011029 spinel Substances 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 150000004820 halides Chemical class 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 235000021317 phosphate Nutrition 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910003023 Mg-Al Inorganic materials 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 239000005358 alkali aluminosilicate glass Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007496 glass forming Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000462 isostatic pressing Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910006501 ZrSiO Inorganic materials 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000003286 fusion draw glass process Methods 0.000 description 1
- 238000005816 glass manufacturing process Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052566 spinel group Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000007655 standard test method Methods 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
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Abstract
Description
Vcorroded=Vinit−Vfinal
(式中、
Vcorrodedは、腐食試験中に除去される耐火物の体積であり、
Vinitは、腐食試験前の耐火物の体積(Hg比重びんを用いた)であり、
Vfinalは、腐食試験後の耐火物の体積(Hg比重びんを用いた)である)。
カット=Vcorroded/SAinit
(式中、
Vcorrodedは、前述の式を用いて計算される腐食した体積であり、
カットは、腐食試験中の耐火物の厚さ減少であり、
SAinitは、腐食試験前の耐火物の初期表面積である)。
カットレート=(カット/Ttest)×8760時間/年
(式中、Ttestは、耐食試験の期間である)。
本明細書に記載した概念を、請求項に記載した本発明の範囲を限定しない以下の実施例においてさらに説明していく。この実施例の項の数値は、便宜上、近似または四捨五入してある場合がある。
Claims (34)
- ガラス体を成形するのに用いる耐火物であって、少なくとも10wt%のAl2O3を含み、約6wt%未満のSiO2、Ti、Mg、Ta、Nbの酸化物またはこれらの任意の組み合わせを含む第1のドーパント、あるいは前述の任意の組み合わせを有する耐火物。
- ガラス体を成形するのに用いる耐火物であって、少なくとも10wt%のAl2O3を含み、少なくとも約3.55g/ccの密度、2.69mm/年以下の腐食率、または前述の任意の組み合わせを有する耐火物。
- 少なくとも10wt%のAl2O3と、約6wt%未満のSiO2、またはTi、Mg、Ta、Nbの酸化物またはこれらの任意の組み合わせを含む第1のドーパントのうち少なくとも1つとを含むガラスオーバーフロートラフを含む耐火物を提供するステップと、Al−Si−Mg酸化物を含むガラス材料を、前記ガラスオーバーフロートラフへ、前記ガラスオーバーフロートラフの縁を超えて流して、ガラス接触領域を画定するステップと、
前記ガラス材料を冷却して、ガラス体を成形するステップとを含むガラス体の成形方法。 - 前記ガラス体が、ガラスシートの形態にある請求項3に記載の方法。
- 前記ガラスシートが、少なくとも約20μm、少なくとも約30μmまたは少なくとも約50μmの厚さを有する請求項4に記載の方法。
- 前記ガラスシートが、約5mm以下、約3mm以下または約1.1mm以下の厚さを有する請求項4に記載の方法。
- 前記ガラスシートが、少なくとも約0.2m、少なくとも約0.5m、少なくとも約0.7m、少なくとも約1.1m、少なくとも約2.0m、少なくとも約2.4mまたは少なくとも約2.8mの幅を有する請求項4に記載の方法。
- 前記ガラス体が、アルカリガラスを含む請求項3に記載の方法。
- 少なくとも10wt%のAl2O3を含み、約6wt%未満のSiO2、またはTi、Mg、Ta、Nbの化合物またはこれらの任意の組み合わせを含む第1のドーパントを有する本体を作製するステップと、前記本体を焼結して耐火物を成形するステップとを含む、耐火物を成形する方法。
- 前記耐火物を、ガラスオーバーフロー成形ブロックへと成形することをさらに含む請求項9に記載の方法。
- 前記本体が、ガラスオーバーフロー成形ブロックの形状を有する請求項9に記載の方法。
- 前記耐火物が、少なくとも約3.55g/ccの密度、2.69mm/年以下の腐食率、または前述の任意の組み合わせを有する請求項1および3〜11のいずれか一項に記載の耐火物。
- 前記第1のドーパントが、TiO2、MgO、Ta2O5、Nb2O5またはこれらの任意の組み合わせである請求項1〜12のいずれか一項に記載の耐火物または方法。
- 前記第1のドーパントの含量が、約5wt%以下、約4wt%以下、約3wt%以下、約2wt%以下または約1.5wt%以下である請求項1〜13のいずれか一項に記載の耐火物または方法。
- 前記第1のドーパントの含量が、少なくとも約0.02wt%、少なくとも約0.11wt%、少なくとも約0.2wt%または少なくとも約0.5wt%である請求項1〜14のいずれか一項に記載の耐火物または方法。
- 前記Al2O3が、少なくとも約80重量%、約90重量%または約95重量%の量で存在する請求項1〜15のいずれか一項に記載の耐火物または方法。
- 前記耐火物中、少なくとも約1%、少なくとも約2%、少なくとも約5%、少なくとも約11%または少なくとも約20%のAl2O3が、反応性Al2O3として提供される請求項1〜16のいずれか一項に記載の耐火物または方法。
- 前記耐火物中、約99%以下、約90%以下、約80%以下、約70%以下、約60%以下または約50%以下のAl2O3が、反応性Al2O3として提供される請求項1〜17のいずれか一項に記載の耐火物または方法。
- 前記耐火物が、約6wt%未満のSiO2、約4wt%未満のSiO2、約3wt%未満のSiO2、約0.9wt%未満のSiO2、約0.5wt%未満のSiO2、約0.09wt%未満のSiO2、約0.05wt%未満のSiO2または約0.009wt%未満のSiO2請求項1〜18のいずれか一項に記載の耐火物または方法。
- 前記腐食率が、約2.69mm/年以下、約2.4mm/年以下、約1.9mm/年以下または約1.6mm/年以下である請求項1〜19のいずれか一項に記載の耐火物または方法。
- 前記耐火物が、焼結剤を含む第2のドーパントをさらに含む請求項1〜20のいずれか一項に記載の耐火物または方法。
- 前記耐火物が、焼結剤であり、前記第1のドーパントとは異なる第2のドーパントをさらに含む請求項1〜21のいずれか一項に記載の耐火物または方法。
- 前記密度が、少なくとも約3.55g/cc、少なくとも約3.60g/ccまたは少なくとも約3.65g/ccである請求項1〜22のいずれか一項に記載の耐火物または方法。
- 前記密度が、約3.90g/cc以下、約3.85g/cc以下、約3.80g/cc以下、3.75g/cc以下または約3.70g/cc以下である請求項1〜23のいずれか一項に記載の耐火物または方法。
- 気孔率が、少なくとも約0.05vol%、少なくとも約0.1vol%、少なくとも約0.2vol%、少なくとも0.4vol%、少なくとも約0.8vol%、少なくとも約1.1vol%、少なくとも約1.5vol%、少なくとも約2.0vol%、少なくとも約3.0vol%または少なくとも約4vol%である請求項1〜24のいずれか一項に記載の耐火物または方法。
- 前記耐火物が、約9.0vol%以下、約7.0vol%以下または約5.0vol%以下の気孔率を有する請求項1〜25のいずれか一項に記載の耐火物または方法。
- 前記耐火物が、少なくとも約95重量%のAl2O3であって、前記Al2O3の少なくとも約75%が反応性であるAl2O3、約4wt%未満のSiO2、Ti、Mg、Ta、Nbの酸化物またはこれらの任意の組み合わせを含む第1のドーパント、および少なくとも約3.60g/ccの密度を有する請求項1〜26のいずれか一項に記載の耐火物または方法。
- 前記第1のドーパントが、Ti、Mg、Ta、Nbの酸化物またはこれらの任意の組み合わせを含む請求項27に記載の耐火物または方法。
- 前記第1のドーパントが、約0.11wt%〜2.0wt%の範囲である請求項28に記載の耐火物または方法。
- 前記耐火物が、ガラスオーバーフロートラフ部分を有する請求項1〜29のいずれか一項に記載の耐火物または方法。
- 前記耐火物が、ガラスオーバーフロー成形ブロックを有する請求項1〜30のいずれか一項に記載の耐火物または方法。
- 前記ガラスオーバーフロー成形ブロックが、前記ガラスオーバーフロー成形ブロックの下部からテーパをなす形状の断面を有する請求項31に記載の耐火物または方法。
- 前記ガラスオーバーフロー成形ブロックが、くさび形状断面を有する請求項31または32に記載の耐火物または方法。
- 前記耐火物が、少なくとも約0.5m、約1.1m、少なくとも約2.0mまたは少なくとも約4.0mの長さを有する請求項1〜33のいずれか一項に記載の耐火物または方法。
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JPWO2020130075A1 (ja) * | 2018-12-21 | 2021-11-04 | 日本電気硝子株式会社 | ガラス物品の製造方法及びその製造装置 |
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KR20160040325A (ko) | 2016-04-12 |
US20160060172A1 (en) | 2016-03-03 |
JP5680187B2 (ja) | 2015-03-04 |
MY163175A (en) | 2017-08-15 |
CN103261118A (zh) | 2013-08-21 |
KR20140018935A (ko) | 2014-02-13 |
RU2570213C2 (ru) | 2015-12-10 |
US20120260696A1 (en) | 2012-10-18 |
EP2694452A2 (en) | 2014-02-12 |
RU2013148069A (ru) | 2015-05-10 |
KR20170024172A (ko) | 2017-03-06 |
TWI603937B (zh) | 2017-11-01 |
CN108689591A (zh) | 2018-10-23 |
WO2012135762A3 (en) | 2012-12-27 |
TW201238931A (en) | 2012-10-01 |
WO2012135762A2 (en) | 2012-10-04 |
EP2694452A4 (en) | 2015-03-11 |
US9174874B2 (en) | 2015-11-03 |
KR101821950B1 (ko) | 2018-01-25 |
KR101750299B1 (ko) | 2017-06-23 |
US9796630B2 (en) | 2017-10-24 |
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