JP2014514232A - 定形または不定形の耐火物用または窯道具用の組成物 - Google Patents
定形または不定形の耐火物用または窯道具用の組成物 Download PDFInfo
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Abstract
【選択図】図1
Description
3(Al2O3 *SiO2)(アンダルサイト)→(3Al2O3 *2SiO2)(ムライト)+SiO2(ガラス)
に従いアンダルサイトをムライトに転移すると、温度の上昇と共に鉱物の特性が変化する。1000℃で約1%熱膨張した後、小さな収縮を伴いながら不純物の溶融が起こる。ムライト化は1250℃から始まり、温度の上昇と共に進行する。最後に、質量比が約87重量パーセントのムライトおよび13重量パーセントのガラスになる。
下記の研究は、2μm〜5μmの平均粒度を有する市販されているアンダルサイトを粉砕することにより生成した活性アンダルサイトを使用して実施した。高エネルギー撹拌ミル(アトライター型粉砕機)を用いて、平均粒度d50=1.37μmを有し、d10=0.72μmおよびd90=2.53pmを特徴として粒度分布非常に狭く、比表面積(BET)が18.27m2/gの活性アンダルサイトを得た。図1は、活性アンダルサイトの粒度分布のマスターサイザーによる解析結果を示す。
Claims (12)
- 70重量パーセントから98重量パーセントの粒状耐火材料と、活性充填剤およびバインダーを含む2重量パーセントから30重量の結合相とを含み、
前記結合相は実質的に、活性充填剤として0.2μm〜2.0μmの平均粒度d50を有する活性アンダルサイトのみを含む
ことを特徴とする定形または不定形の耐火物用または窯道具用の組成物。 - 前記活性アンダルサイトは0.5μm〜1.5μmの平均粒度d50を有する
ことを特徴とする請求項1に記載の組成物。 - 前記活性アンダルサイトは粒度幅が2.5μm未満の範囲の狭い粒度分布を有する
ことを特徴とする請求項1または請求項2に記載の組成物。 - 前記活性アンダルサイトは10m2/g〜25m2/gの比表面積(BET)を有する
ことを特徴とする請求項1〜請求項3のいずれか一項に記載の組成物。 - 前記粒状耐火材料はシリカ、炭化ケイ素、アルミナ、ボーキサイト、スピネル、仮焼ドロマイト、クロムマグネシア、カンラン石、フォルステライト、ムライト、カイアナイト、シリマナイト、アンダルサイト、シャモットまたはこれらの材料の2つ以上の混合物からなる群から選択される
ことを特徴とする請求項1〜請求項4のいずれか一項に記載の組成物。 - 請求項1〜請求項5のいずれか一項に記載の耐火組成物を使用することにより製造された耐火キャスタブルまたは鋳片であって、1100℃〜1400℃の温度域で焼結された前記耐火キャスタブルまたは前記鋳片は、EN 1402−5に従い測定された常温曲げ強さ(CMOR)が5MPaを超え、EN 1402−6に従い測定された常温圧縮強さ(CCS)が30MPaを超える
ことを特徴とする耐火キャスタブルまたは鋳片。 - 前記耐火キャスタブルは、約5重量パーセントのセメント含有量を有する低セメントキャスタブル(LCC)である
ことを特徴とする請求項6に記載の耐火キャスタブル。 - 前記耐火キャスタブルは、約2重量パーセントのセメント含有量を有する超低セメントキャスタブル(ULCC)である
ことを特徴とする請求項6に記載の耐火キャスタブル。 - 請求項1〜請求項6のいずれか一項に記載の耐火組成物を使用することにより製造されたラミング耐火材であって、1100℃〜1750℃の温度域で焼結された前記ラミング耐火材は、EN 1402−5に従い測定された常温曲げ強さ(CMOR)が5MPaを超え、EN 1402−6に準拠した常温圧縮強さ(CCS)が30MPaを超える
ことを特徴とするラミング耐火材。 - 請求項1〜請求項6のいずれか一項に記載の耐火組成物を使用することにより製造された吹き付け耐火材であって、1100℃〜1750℃の温度域で焼結された前記吹き付け耐火材は、EN 1402−5に従い測定された常温曲げ強さ(CMOR)が3MPaを超え、EN 1402−6に準拠した常温圧縮強さ(CCS)が20MPaを超える
ことを特徴とする吹き付け耐火材。 - 請求項1〜請求項6のいずれか一項に記載の耐火組成物を使用することにより製造された焼成または不焼成耐火煉瓦であって、1100℃〜1750℃の温度域で焼結された前記焼成または不焼成耐火煉瓦は、EN 1402−5に従い測定された常温曲げ強さ(CMOR)が8MPaを超え、EN 1402−6に準拠した常温圧縮強さ(CCS)が50MPaを超える
ことを特徴とする焼成または不焼成耐火煉瓦。 - 請求項1〜請求項6のいずれか一項に記載の耐火組成物を使用することにより製造された窯道具であって、1100℃〜1750℃の温度域で焼結された前記窯道具は、EN 1402−5に従い測定された常温曲げ強さ(CMOR)が8MPaを超え、EN 1402−6に準拠した常温圧縮強さ(CCS)が50MPaを超える
ことを特徴とする窯道具。
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EP20110002291 EP2502892A1 (en) | 2011-03-21 | 2011-03-21 | Shaped or unshaped refractory or kiln furniture composition |
PCT/EP2012/054900 WO2012126906A1 (en) | 2011-03-21 | 2012-03-20 | Shaped or unshaped refractory or kiln furniture composition |
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KR20220051128A (ko) * | 2020-10-16 | 2022-04-26 | 아사히 가가쿠 고교 가부시키가이샤 | 강재의 산화 방지용 조성물 및 강재의 산화 방지 방법 |
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EP2502892A1 (en) | 2011-03-21 | 2012-09-26 | Center for Abrasives and Refractories Research & Development C.A.R.R.D. GmbH | Shaped or unshaped refractory or kiln furniture composition |
DE102013010854A1 (de) * | 2013-06-28 | 2014-12-31 | Refratechnik Holding Gmbh | Feuerfester Versatz und seine Verwendung |
FR3008967B1 (fr) * | 2013-07-26 | 2016-12-30 | Saint-Gobain Centre De Rech Et D'Etudes Europeen | Produit a haute teneur en alumine |
DE102014215214A1 (de) * | 2014-08-01 | 2016-02-04 | P-D Refractories Dr. C. Otto Gmbh | Geformtes, gebranntes, feuerfestes Material mit einem hohen spektralen Emissionsgrad, Verfahren zu seiner Herstellung sowie Verfahren zur Erhöhung des spektralen Emissionsgrades feuerfester Formkörper |
CN104177101A (zh) * | 2014-08-20 | 2014-12-03 | 江苏腾天工业炉有限公司 | 用于工业炉窑内壁的重质浇注料配方及制作工艺 |
WO2016118798A1 (en) * | 2015-01-23 | 2016-07-28 | Resco Products, Inc. | Refractory bricks and methods of making the same |
CN106007753B (zh) * | 2016-05-19 | 2019-01-29 | 山东钢铁股份有限公司 | 浇注料和用该浇注料制备的稳流挡渣桶及它们的制备方法 |
FR3079829B1 (fr) * | 2018-04-10 | 2021-07-16 | Saint Gobain Ct Recherches | Piece a nez isolee |
CN112010612B (zh) * | 2020-09-07 | 2022-07-05 | 郑州四季火耐火材料有限公司 | 一种石灰窑预制砖及其制备方法 |
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BR112013024181A2 (pt) | 2016-12-13 |
WO2012126906A1 (en) | 2012-09-27 |
US9040442B2 (en) | 2015-05-26 |
RU2539056C1 (ru) | 2015-01-10 |
EP2502892A1 (en) | 2012-09-26 |
US20140024520A1 (en) | 2014-01-23 |
JP5927287B2 (ja) | 2016-06-01 |
CN103415487A (zh) | 2013-11-27 |
JP2016029012A (ja) | 2016-03-03 |
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