ES2186492A1 - Grano de mullita exento de cristobalita que tiene reactividad reducida con el aluminio fundido y metodo para producirlo. - Google Patents

Grano de mullita exento de cristobalita que tiene reactividad reducida con el aluminio fundido y metodo para producirlo.

Info

Publication number
ES2186492A1
ES2186492A1 ES200002582A ES200002582A ES2186492A1 ES 2186492 A1 ES2186492 A1 ES 2186492A1 ES 200002582 A ES200002582 A ES 200002582A ES 200002582 A ES200002582 A ES 200002582A ES 2186492 A1 ES2186492 A1 ES 2186492A1
Authority
ES
Spain
Prior art keywords
slurry
cristobalite
producing
molten aluminum
same
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
ES200002582A
Other languages
English (en)
Other versions
ES2186492B1 (es
Inventor
H David Prior
Daniel F Fura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
North American Refractories Co
Original Assignee
North American Refractories Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by North American Refractories Co filed Critical North American Refractories Co
Publication of ES2186492A1 publication Critical patent/ES2186492A1/es
Application granted granted Critical
Publication of ES2186492B1 publication Critical patent/ES2186492B1/es
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
    • C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
    • C04B35/185—Mullite 3Al2O3-2SiO2

Abstract

Grano de mullita exento de cristobalita que tiene reactividad reducida con el aluminio fundido y método para producirlo. Este método comprende las etapas de: producir una suspensión de una arcilla compuesta de agua y arcilla de caolín de un tamaño de partícula específico; y mezclar un compuesto insoluble en agua que contiene bario o estroncio con la suspensión de la arcilla en una cantidad en la que el contenido de compuesto que bario o estroncio en la suspensión es igual a aproximadamente 8% en peso de la arcilla de caolín en la suspensión; separar suficiente agua de la suspensión para formar un material que tiene una consistencia peletizable; conformar el material en pelets; calentar los pelets moviéndolos continuamente a través de un horno que tiene una zona en la que el material se expone a temperaturas de al menos 1.455ºC durante al menos 30 minutos.
ES200002582A 1999-10-28 2000-10-26 Grano de mullita exento de cristobalita que tiene reactividad reducida con el aluminio fundido y metodo para producirlo. Withdrawn - After Issue ES2186492B1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/429,205 US6407023B1 (en) 1999-10-28 1999-10-28 Cristobalite-free mullite grain having reduced reactivity to molten aluminum and method of producing the same
US09/429205 1999-10-28

Publications (2)

Publication Number Publication Date
ES2186492A1 true ES2186492A1 (es) 2003-05-01
ES2186492B1 ES2186492B1 (es) 2004-09-16

Family

ID=23702256

Family Applications (1)

Application Number Title Priority Date Filing Date
ES200002582A Withdrawn - After Issue ES2186492B1 (es) 1999-10-28 2000-10-26 Grano de mullita exento de cristobalita que tiene reactividad reducida con el aluminio fundido y metodo para producirlo.

Country Status (7)

Country Link
US (2) US6407023B1 (es)
CN (1) CN1302783A (es)
BR (1) BR0005293A (es)
CZ (1) CZ20003979A3 (es)
DE (1) DE10053528A1 (es)
ES (1) ES2186492B1 (es)
FR (1) FR2801583A1 (es)

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US20050127549A1 (en) * 2003-12-11 2005-06-16 Bischoff Todd F. Method for suppressing reaction of molten metals with refractory materials
US9963373B2 (en) 2004-05-19 2018-05-08 Earthstone International Llc Method of reducing the occurrence of crystalline silica in foamed glass by the introduction of chemical additives
US9725350B2 (en) 2004-05-19 2017-08-08 Richard L. Lehman Very low crystalline silica foamed glass and methods of using the same
US20050261121A1 (en) * 2004-05-19 2005-11-24 Earthstone International Llc Elimination of crystalline silica from white foam glass by chemical additions
US8916486B2 (en) * 2004-05-19 2014-12-23 Richard Lehman Method of reducing the occurrence of crystalline silica in foamed glass by the introduction of chemical additives
ES2318511T3 (es) 2004-07-02 2009-05-01 Basf Catalysts Llc Usos de caolin calcinado con alto indice de mullita.
WO2008085262A2 (en) * 2006-12-21 2008-07-17 Wahl Refractories, Llc Aluminum resistant refractory composition and method
CN101734928B (zh) * 2009-12-24 2012-11-21 中钢集团洛阳耐火材料研究院有限公司 一种不被铝液润湿熔融石英耐火浇注料的制备方法
US10590283B2 (en) 2016-08-12 2020-03-17 Magneco/Metrel, Inc. Method of providing a protective coating composition for molten aluminum and alkali metal environments
EP3281929B1 (en) * 2016-08-12 2020-08-26 Magneco/Metrel, Inc. Protective coating composition for molten aluminium and alkali metal environments
US10233335B2 (en) 2016-08-12 2019-03-19 Magneco/Metrel, Inc. Protective coating composition for molten aluminum and alkali metal environments
JP2022149955A (ja) * 2021-03-25 2022-10-07 日本碍子株式会社 複合焼結体、ハニカム構造体、電気加熱触媒および複合焼結体の製造方法

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US5545427A (en) * 1992-02-07 1996-08-13 Commissariat A L'energie Atomique Process for the preparation of lithium aluminosilicate or gamma lithium aluminate ceramics having a controlled stoichiometry and microstructure

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Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0353740A1 (en) * 1988-08-02 1990-02-07 Norton-Alcoa Proppants Low density proppant and methods for making and using same
EP0355505A1 (en) * 1988-08-02 1990-02-28 Norton-Alcoa Proppants Low density proppants and methods for making and using same
US5545427A (en) * 1992-02-07 1996-08-13 Commissariat A L'energie Atomique Process for the preparation of lithium aluminosilicate or gamma lithium aluminate ceramics having a controlled stoichiometry and microstructure

Also Published As

Publication number Publication date
US6548436B2 (en) 2003-04-15
CN1302783A (zh) 2001-07-11
ES2186492B1 (es) 2004-09-16
FR2801583A1 (fr) 2001-06-01
US6407023B1 (en) 2002-06-18
BR0005293A (pt) 2001-06-12
DE10053528A1 (de) 2001-09-13
CZ20003979A3 (cs) 2002-02-13
US20020158373A1 (en) 2002-10-31

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