ES2602061T3 - Producto cerámico resistente al fuego - Google Patents
Producto cerámico resistente al fuego Download PDFInfo
- Publication number
- ES2602061T3 ES2602061T3 ES14174575.2T ES14174575T ES2602061T3 ES 2602061 T3 ES2602061 T3 ES 2602061T3 ES 14174575 T ES14174575 T ES 14174575T ES 2602061 T3 ES2602061 T3 ES 2602061T3
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- grains
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- 239000000919 ceramic Substances 0.000 title abstract description 3
- 230000009970 fire resistant effect Effects 0.000 title abstract 2
- 239000011248 coating agent Substances 0.000 abstract description 24
- 238000000576 coating method Methods 0.000 abstract description 24
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052593 corundum Inorganic materials 0.000 abstract description 6
- 229910001676 gahnite Inorganic materials 0.000 abstract description 4
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract description 2
- 239000011159 matrix material Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 description 14
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 239000000395 magnesium oxide Substances 0.000 description 7
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000005524 ceramic coating Methods 0.000 description 4
- 239000010431 corundum Substances 0.000 description 4
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011787 zinc oxide Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052839 forsterite Inorganic materials 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/78—Grain sizes and shapes, product microstructures, e.g. acicular grains, equiaxed grains, platelet-structures
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Abstract
Producto cerámico resistente al fuego, cuya estructura presenta las siguientes características: una matriz de al menos una primera materia a base de MgO; en la matriz están incorporados granos de al menos una segunda materia a base de Al2O3; los granos de la segunda materia presentan en su superficie al menos por secciones un revestimiento de al menos una tercera materia a base de gahnita; la primera y la segunda materias presentan un coeficiente de dilatación térmica distinto; la tercera materia es estable en la aplicación del producto.
Description
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En tanto que los granos de la segunda materia se encuentren ya en la mezcla en una forma tal que presenten un revestimiento, que representa ya la tercera materia, pueden prepararse estos granos por ejemplo en una etapa de procedimiento separada. Para ello pueden dotarse los granos de la segunda materia por ejemplo de un revestimiento, en el que se forma durante una cochura un revestimiento en forma de la tercera materia. Para ello pueden someterse los granos revestidos de manera correspondiente por ejemplo a una cochura, de modo que se forme sobre los granos de la segunda materia el revestimiento constituido por la tercera materia. Los granos de la segunda materia, revestidos de manera correspondiente con la tercera materia, pueden introducirse a continuación en la mezcla prevista para la fabricación del producto de acuerdo con la invención.
Como alternativa puede preverse, por ejemplo, que los granos de la segunda materia se doten de un revestimiento, a partir del cual se forme el revestimiento constituido por la tercera materia, no sometiéndose a cochura sin embargo los granos revestidos de manera correspondiente antes de que éstos se introduzca en la mezcla para la fabricación del producto de acuerdo con la invención. El revestimiento en forma de la tercera materia sobre los granos de la segunda materia se forma en este caso sólo durante la cochura cerámica del producto de acuerdo con la invención.
La tecnología descrita anteriormente puede aplicarse, por ejemplo, para el revestimiento de granos de una segunda materia a base de AI2O3 con una tercera materia en forma de gahnita o forsterita. Los granos revestidos de manera correspondiente pueden usarse como elastificante para un componente principal en forma de granos a base de MgO.
Como alternativa pueden dotarse los granos de la segunda materia de un revestimiento, a partir del cual se forma el revestimiento en forma de la tercera materia como producto de reacción del revestimiento y los granos de la segunda materia durante una cochura. Por ejemplo pueden revestirse granos de una segunda materia a base de AI2O3 con óxido de cinc (ZnO), de modo que se forme durante una cochura de los granos revestidos de manera correspondiente sobre su superficie un revestimiento en forma de una tercera materia en forma de gahnita. La cochura de los granos puede realizarse antes de que se añadan los granos revestidos a una mezcla para la fabricación de un producto de acuerdo con la invención. El revestimiento en forma de una tercera materia en forma de gahnita puede formarse sin embargo, por ejemplo, también encontrándose en la mezcla los granos, revestidos con óxido de cinc, a base de AI2O3 no sometidos a cochura y formándose la capa de gahnita sólo durante la cochura de la mezcla. Además de los granos revestidos con óxido de cinc a base de AI2O3 presenta la mezcla granos a base de MgO como componente principal o primera materia.
Como alternativa puede preverse, por ejemplo, que los granos de la segunda materia presenten un revestimiento que forme durante la cochura cerámica del producto con la primera materia un producto de reacción, que forme la tercera materia.
Para la aplicación del revestimiento sobre los granos de la segunda materia puede recurrir el experto a los procedimientos para esto conocidos por el estado de la técnica, por ejemplo una aplicación a través de la fase gaseosa (por ejemplo CVD o PVD), una aplicación por pulverización, una aplicación por granulación o una aplicación a través de una solución (por ejemplo a través de un procedimiento sol-gel).
Las temperaturas de cochura para la cochura cerámica del producto de acuerdo con la invención pueden seleccionarse de acuerdo con las temperaturas conocidas por el estado de la técnica para la sinterización de un cuerpo cerámico. Las temperaturas correspondientes las conoce el experto. Por ejemplo pueden encontrarse las temperaturas de cochura en el intervalo de 1.300 a 1.500 ºC.
Un ejemplo de realización de la invención se explica en más detalle a continuación.
Para la fabricación del producto de acuerdo con la invención se facilita en primer lugar una mezcla con granos de óxido de magnesio sinterizado (con una proporción de MgO > 90 % en masa, con respecto a la masa total de los granos de óxido de magnesio sinterizado) como componente principal con una proporción del 87 % en masa, con respecto a la masa total de la mezcla. Los granos de óxido de magnesio sinterizado se encuentran en un tamaño de grano en el intervalo de > 0-10 mm.
Además de los granos de óxido de magnesio sinterizado se encuentran en la mezcla granos de corindón sinterizado (con una proporción de Al2O3 > 90 % en masa, con respecto a la masa total de los granos de corindón sinterizado), que están revestidos con óxido de cinc (ZnO). Los granos revestidos de manera correspondiente se encuentran en una proporción en masa del 13 % en masa, con respecto a la masa total de la mezcla. En los granos revestidos asciende la proporción en masa del revestimiento de óxido de cinc al 3 % en masa, con respecto a la masa total de la mezcla. Los granos revestidos presentan un tamaño de grano en el intervalo de 1-3 mm. Los granos de corindón sinterizado forman en el producto los granos de la segunda materia, mientras que a partir del revestimiento sobre los granos de corindón sinterizado durante la cochura cerámica del producto se forma un revestimiento en forma de la tercera materia.
A la mezcla se añade un aglutinante en verde, a continuación se mezcla la mezcla y finalmente se prensa para dar cuerpos en verde. Los cuerpos en verde se secan a continuación y finalmente durante aproximadamente cinco horas
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Claims (1)
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imagen1
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP14174575.2A EP2960221B1 (de) | 2014-06-26 | 2014-06-26 | Feuerfestes keramisches Erzeugnis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2602061T3 true ES2602061T3 (es) | 2017-02-17 |
Family
ID=51014176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES14174575.2T Active ES2602061T3 (es) | 2014-06-26 | 2014-06-26 | Producto cerámico resistente al fuego |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US20170190625A1 (es) |
| EP (1) | EP2960221B1 (es) |
| JP (1) | JP2017525639A (es) |
| KR (1) | KR20170023861A (es) |
| CN (1) | CN106414368A (es) |
| BR (1) | BR112016025473A2 (es) |
| CA (1) | CA2949192A1 (es) |
| ES (1) | ES2602061T3 (es) |
| MX (1) | MX2016014255A (es) |
| PL (1) | PL2960221T3 (es) |
| RU (1) | RU2016140703A (es) |
| WO (1) | WO2015197220A1 (es) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3466903B9 (de) * | 2017-10-04 | 2020-08-05 | Refractory Intellectual Property GmbH & Co. KG | Versatz zur herstellung eines feuerfesten erzeugnisses, verfahren zur herstellung eines feuerfesten erzeugnisses, ein feuerfestes erzeugnis sowie die verwendung eines synthetischen rohstoffs |
| EP3613716B1 (de) * | 2018-08-21 | 2020-07-29 | Refractory Intellectual Property GmbH & Co. KG | Feuerfestes erzeugnis, ein versatz zur herstellung des erzeugnisses, ein verfahren zur herstellung des erzeugnisses sowie eine verwendung des erzeugnisses |
| US11384021B2 (en) * | 2020-02-20 | 2022-07-12 | Refractory Intellectual Property Gmbh & Co. Kg | Grains for the production of a sintered refractory product, a batch for the production of a sintered refractory product, a process for the production of a sintered refractory product and a sintered refractory product |
| CN118637928A (zh) * | 2024-06-19 | 2024-09-13 | 山西工程技术学院 | 一种锌铝尖晶石包覆刚玉核壳结构骨料及其制备方法及应用 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4847220A (en) * | 1986-09-17 | 1989-07-11 | Lanxide Technology Company, Lp | Method of making ceramic composites |
| US5585165A (en) * | 1987-06-12 | 1996-12-17 | Lanxide Technology Company, Lp | Composite materials and methods for making the same |
| JPH0725587B2 (ja) * | 1990-01-05 | 1995-03-22 | 品川白煉瓦株式会社 | アルミナ―マグネシア―カーボン質耐火物 |
| JP3217864B2 (ja) * | 1991-08-28 | 2001-10-15 | 旭硝子株式会社 | 黒鉛含有不定形耐火物用組成物とその調製方法 |
| US5366686A (en) * | 1993-03-19 | 1994-11-22 | Massachusetts Institute Of Technology, A Massachusetts Corporation | Method for producing articles by reactive infiltration |
| DE4403868C2 (de) * | 1994-02-08 | 1995-12-14 | Veitsch Radex Ag | Feuerfeste keramische Masse und deren Verwendung |
| JPH07267719A (ja) * | 1994-03-28 | 1995-10-17 | Kyushu Refract Co Ltd | アルミナ・マグネシア・カーボンれんが |
| JP3719762B2 (ja) * | 1996-03-27 | 2005-11-24 | 日本碍子株式会社 | フェライト焼成用耐火物 |
| JP2984758B2 (ja) * | 1996-04-30 | 1999-11-29 | 工業技術院長 | セラミックス複合体 |
| US6528190B1 (en) * | 2000-08-02 | 2003-03-04 | Siemens Westinghouse Power Corporation | Fiber coating compounds for reinforced ceramic matrix composites |
| JP2007055848A (ja) * | 2005-08-24 | 2007-03-08 | Itochu Ceratech Corp | 球状マグネシア系クリンカー及びそれを用いて得られる耐火物 |
| CN100534952C (zh) * | 2006-06-19 | 2009-09-02 | 宁波大学 | 氧化铝纳米棒增韧碳化硅陶瓷制造方法 |
| CN101164973B (zh) * | 2006-10-16 | 2010-09-01 | 宁波大学 | 一种嵌有增韧物质的碳化硅陶瓷 |
-
2014
- 2014-06-26 PL PL14174575T patent/PL2960221T3/pl unknown
- 2014-06-26 ES ES14174575.2T patent/ES2602061T3/es active Active
- 2014-06-26 EP EP14174575.2A patent/EP2960221B1/de not_active Not-in-force
-
2015
- 2015-04-21 JP JP2016568662A patent/JP2017525639A/ja active Pending
- 2015-04-21 MX MX2016014255A patent/MX2016014255A/es unknown
- 2015-04-21 KR KR1020167036377A patent/KR20170023861A/ko not_active Withdrawn
- 2015-04-21 CN CN201580027579.3A patent/CN106414368A/zh active Pending
- 2015-04-21 WO PCT/EP2015/058603 patent/WO2015197220A1/de not_active Ceased
- 2015-04-21 CA CA2949192A patent/CA2949192A1/en not_active Abandoned
- 2015-04-21 RU RU2016140703A patent/RU2016140703A/ru not_active Application Discontinuation
- 2015-04-21 US US15/313,082 patent/US20170190625A1/en not_active Abandoned
- 2015-04-21 BR BR112016025473A patent/BR112016025473A2/pt not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| EP2960221A1 (de) | 2015-12-30 |
| BR112016025473A2 (pt) | 2017-08-15 |
| MX2016014255A (es) | 2017-02-06 |
| RU2016140703A (ru) | 2018-04-19 |
| KR20170023861A (ko) | 2017-03-06 |
| US20170190625A1 (en) | 2017-07-06 |
| EP2960221B1 (de) | 2016-09-21 |
| CA2949192A1 (en) | 2015-12-30 |
| JP2017525639A (ja) | 2017-09-07 |
| WO2015197220A1 (de) | 2015-12-30 |
| PL2960221T3 (pl) | 2017-02-28 |
| CN106414368A (zh) | 2017-02-15 |
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