JP2012504088A - 耐火材料を製造するための材料混合物 - Google Patents
耐火材料を製造するための材料混合物 Download PDFInfo
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Abstract
【選択図】図1
Description
粒度1〜3mmのAR78 18.6%
粒度0.5〜1mmのAR78 11.3%
粒度≦0.5mmのAR78 11.3%
粒度<1mmのMR66 17%
粒度<10μmのAl2O3 7.3%
MgO 4%
分散媒体 1%
粒度<20μmのAl2O3 2.5%
ZrO2 18%
水 9%
1.スピネル材料をその弾性係数について及び従ってその耐熱衝撃性についても、定置ガスタービンの燃焼器における周辺条件に適合させるために、1重量%までの多孔質化媒体の添加が有利である。その多孔質化媒体として、種々のプラスチック(ポリプロピレン、ポリエチレン、ポリスチロール(スタイロポア)、ポリメタクリル酸メチル(アクリルガラス)等)又は天然セルロースが挙げられる。
2.耐温度変化強度は、同様にスピネル材料の粗粒子成分の増大によって、有利に影響される。特に54重量%から70重量%の範囲への粗粒子成分の増大が有利である。
Claims (18)
- スピネル及び酸化ジルコニウム並びに50重量%を超える粗粒子成分及び微粒子成分を含有してなる、耐火材料を製造するための材料混合物であって、
前記粗粒子成分が20μmより大きな寸法の粗大粒子を有し、前記微粒子成分が20μmより小さな寸法の微粒子を有している耐火材料を製造するための材料混合物。 - 前記粗粒子成分として、アルミン酸マグネシウム−スピネル及び/又は焼結スピネル及び/又は溶融スピネルが存在している請求項1に記載の材料混合物。
- 前記微粒子成分として酸化ジルコニウムが存在している請求項1又は2に記載の材料混合物。
- 前記微粒子成分としてアルミン酸マグネシウム−スピネル及び/又は焼結スピネル及び/又は溶融スピネルが存在していることを特徴とする請求項1から3のいずれか1項に記載の材料混合物。
- 前記微粒子成分が70〜100重量%のアルミン酸マグネシウム−スピネル及び0〜30重量%の酸化ジルコニウムを含有している請求項4に記載の材料混合物。
- 前記微粒子成分が12重量%を超える酸化ジルコニウムを含有している請求項5に記載の材料混合物。
- 請求項1から6のいずれか1項に記載の材料混合物を利用して耐火成形体を製造する方法であって、
材料混合物に成型可能な素地を得るために少なくとも1つの分散媒体及び/又は少なくとも1つの無機質又は有機質の補助物質が添加され、続いて成形可能素地が成形され焼結される、耐火成形体を製造する方法。 - 前記補助物質がカ焼スピネルを含有している請求項7に記載の方法。
- 成形が鋳造によって行われる請求項7又は8に記載の方法。
- 成形が振動鋳造法によって行われる請求項9に記載の方法。
- 成形可能素地の成形後、該成形済み素地が焼結される前に、該素地の凝結硬化が引き起こされる請求項7から10のいずれか1項に記載の方法。
- 焼結が1,550℃を超える温度で行われる請求項7から11のいずれか1項に記載の方法。
- 以下の工程を有する請求項7から12のいずれか1項に記載の方法。
1.スピネル材料が、その弾性係数について及び従ってその耐熱衝撃性についても、定置ガスタービンの燃焼器における周辺条件に適合するようにするために、スピネル材料に1重量%までの多孔質化媒体を添加する工程。
2.耐温度変化強度に有利に影響するように、粗粒子成分の重量含有率を54重量%から70重量%の範囲に増大する工程。 - 多孔質化媒体として、種々のプラスチック(ポリプロピレン、ポリエチレン、ポリスチロール(スタイロポア)、ポリメタクリル酸メチル(アクリルガラス)など)又は天然セルロースが利用される請求項7から13のいずれか1項に記載の方法。
- スピネルと酸化ジルコニウムとを含有しているセラミック体積を有している高温ガス反応器のための耐火成形体であって、
50重量%以上の粗粒子成分及び微粒子成分を含み、前記粗粒子成分が20μmより大きな寸法の粗大粒子を有し、前記微粒子成分が20μmより小さな寸法の微粒子を有している高温ガス反応器における耐火成形体。 - 粗粒子成分としてアルミン酸マグネシウム−スピネル及び/又は焼結スピネル及び/又は溶融スピネルが存在している請求項15に記載の耐火成形体。
- 微粒子成分として酸化ジルコニウムが存在している請求項15又は16に記載の耐火成形体。
- 微粒子成分としてアルミン酸マグネシウム−スピネル及び/又は焼結スピネル及び/又は溶融スピネルが存在している請求項17に記載の耐火成形体。
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EP08017130.9 | 2008-09-29 | ||
EP08017130A EP2169311A1 (de) | 2008-09-29 | 2008-09-29 | Materialmischung zur Herstellung eines Feuerfestwerkstoffes, Feuerfestformkörper und Verfahren zu seiner Herstellung |
PCT/EP2009/062172 WO2010034680A1 (de) | 2008-09-29 | 2009-09-21 | Materialmischung zur herstellung eines feuerfestwerkstoffes, feuerfestformkörper und verfahren zu seiner herstellung |
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CN (1) | CN102227591A (ja) |
RU (1) | RU2478874C2 (ja) |
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CN103017195A (zh) * | 2013-01-07 | 2013-04-03 | 陈志成 | 一种新型节能减排型工业燃烧炉 |
BR102014017354B1 (pt) | 2013-07-30 | 2021-06-29 | Rohm And Haas Company | Composição, e, método para preparar uma composição |
JP6231910B2 (ja) * | 2014-03-14 | 2017-11-15 | 日本碍子株式会社 | 目封止ハニカム構造体 |
FR3042496B1 (fr) * | 2015-10-19 | 2021-12-31 | Saint Gobain Ct Recherches | Utilisation de grains fondus de zircone - spinelle pour la fabrication de produits refractaires |
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US20180327614A1 (en) * | 2017-05-09 | 2018-11-15 | Imam Abdulrahman Bin Faisal University | Method of repairing an acrylic denture base and zirconia autopolymerizable resins therof |
US20180340687A1 (en) * | 2017-05-24 | 2018-11-29 | Siemens Aktiengesellschaft | Refractory ceramic component for a gas turbine engine |
CN112537956B (zh) * | 2019-09-23 | 2023-03-28 | 比亚迪股份有限公司 | 黑色氧化锆陶瓷及其制备方法和应用 |
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- 2009-09-21 WO PCT/EP2009/062172 patent/WO2010034680A1/de active Application Filing
- 2009-09-21 RU RU2011117311/06A patent/RU2478874C2/ru not_active IP Right Cessation
- 2009-09-21 JP JP2011528299A patent/JP5425204B2/ja not_active Expired - Fee Related
- 2009-09-21 EP EP09815669.8A patent/EP2329195B1/de not_active Not-in-force
- 2009-09-21 US US13/121,481 patent/US8530364B2/en not_active Expired - Fee Related
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JP2018536612A (ja) * | 2015-10-19 | 2018-12-13 | サン−ゴバン サントル ドゥ ルシェルシェ エ デトゥードゥ ユーロペン | 溶融スピネル−ジルコニア粒子、及びこの粒子から得られる耐火材料 |
JP7053460B2 (ja) | 2015-10-19 | 2022-04-12 | サン-ゴバン サントル ドゥ ルシェルシェ エ デトゥードゥ ユーロペン | 溶融スピネル-ジルコニア粒子、及びこの粒子から得られる耐火材料 |
Also Published As
Publication number | Publication date |
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JP5425204B2 (ja) | 2014-02-26 |
RU2011117311A (ru) | 2012-11-10 |
US8530364B2 (en) | 2013-09-10 |
EP2329195A1 (de) | 2011-06-08 |
RU2478874C2 (ru) | 2013-04-10 |
EP2169311A1 (de) | 2010-03-31 |
WO2010034680A1 (de) | 2010-04-01 |
CN102227591A (zh) | 2011-10-26 |
US20110237420A1 (en) | 2011-09-29 |
EP2329195B1 (de) | 2016-11-02 |
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