FR2430922A1 - Produit refractaire fondu oxyde de chrome-alumine - Google Patents
Produit refractaire fondu oxyde de chrome-alumineInfo
- Publication number
- FR2430922A1 FR2430922A1 FR7917751A FR7917751A FR2430922A1 FR 2430922 A1 FR2430922 A1 FR 2430922A1 FR 7917751 A FR7917751 A FR 7917751A FR 7917751 A FR7917751 A FR 7917751A FR 2430922 A1 FR2430922 A1 FR 2430922A1
- Authority
- FR
- France
- Prior art keywords
- volume
- less
- chrome
- aluminum oxide
- solid solution
- 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.)
- Withdrawn
Links
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 abstract 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 2
- 229910000423 chromium oxide Inorganic materials 0.000 abstract 2
- 239000011819 refractory material Substances 0.000 abstract 2
- 239000006104 solid solution Substances 0.000 abstract 2
- 229910018404 Al2 O3 Inorganic materials 0.000 abstract 1
- 229910019830 Cr2 O3 Inorganic materials 0.000 abstract 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 abstract 1
- 229910004298 SiO 2 Inorganic materials 0.000 abstract 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract 1
- 229910052788 barium Inorganic materials 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 239000010431 corundum Substances 0.000 abstract 1
- 230000001747 exhibiting effect Effects 0.000 abstract 1
- 229910052731 fluorine Inorganic materials 0.000 abstract 1
- 239000011737 fluorine Substances 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052712 strontium Inorganic materials 0.000 abstract 1
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
- C04B35/10—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 aluminium oxide
- C04B35/107—Refractories by fusion casting
-
- 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
- C04B35/10—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 aluminium oxide
- C04B35/101—Refractories from grain sized mixtures
- C04B35/105—Refractories from grain sized mixtures containing chromium oxide or chrome ore
-
- 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
- C04B35/42—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 chromites
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Glass Compositions (AREA)
Abstract
L'invention se rapporte aux matériaux réfractaires. Elle concerne une matière réfractaire fondue dense présentant : a. une microstructure constituée d'au moins 70 % en volume de phase cristalline de solution solide de corindon contenant de l'oxyde de chrome, au moins environ 5 % en volume de phases cristallines secondaires d'oxydes comprenant principalement une solution solide d'hexa-aluminate de métal alcalino-terreux contenant de l'oxyde de chrome, et moins de 10 % en volume de phase métallique; et b. une composition analytique, en poids, constituée de : au moins 90 % de Al2 O3 plus Cr2 O3 , de 20 à 60 % de CrO3 , de 1 à 4 % de MO, où M est Ca, Ba, Sr, Mg, Fe, de 0,4 à 3,5 % de CaO, BaO, SrO, pas plus de 3 % de MgO, pas plus de 3,5 % de FeO, moins de 5 % de SiO 2 , jusqu'à 0,5 % de fluor, moins de 1,5 % de R2 O, où R est Li, a, K, Rb, Cs, jusqu'à 2 % de TiO2 et jusqu'à 3 % de ZrO2 . Utilisation pour la construction de fours à verre
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/922,826 US4158569A (en) | 1978-07-10 | 1978-07-10 | Fused refractory |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2430922A1 true FR2430922A1 (fr) | 1980-02-08 |
Family
ID=25447617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7917751A Withdrawn FR2430922A1 (fr) | 1978-07-10 | 1979-07-09 | Produit refractaire fondu oxyde de chrome-alumine |
Country Status (8)
Country | Link |
---|---|
US (1) | US4158569A (fr) |
JP (1) | JPS5510499A (fr) |
BR (1) | BR7904133A (fr) |
CA (1) | CA1108655A (fr) |
DE (1) | DE2926946A1 (fr) |
FR (1) | FR2430922A1 (fr) |
GB (1) | GB2024799B (fr) |
IT (1) | IT1122104B (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4490474A (en) * | 1983-06-13 | 1984-12-25 | Kennecott Corporation | Fused cast high chrome refractory and method for manufacturing same |
US4544643A (en) * | 1984-06-11 | 1985-10-01 | Dresser Industries, Inc. | Refractory fused chrome-alumina bricks and compositions made from a granular fused material and processes for their production |
US5028572A (en) * | 1986-02-04 | 1991-07-02 | The Carborundum Company | Near net shape fused cast refractories and process for their manufacture by rapid melting/controlled rapid cooling |
US4791077A (en) * | 1986-02-04 | 1988-12-13 | Stemcor Corporation | Near net shape fused cast refractories and process for their manufacture by rapid melting/controlled rapid cooling |
US5171491A (en) * | 1986-02-04 | 1992-12-15 | The Carborundum Company | Method of producing near net shape fused cast refractories |
US5219807A (en) * | 1991-06-27 | 1993-06-15 | Indresco Inc. | Burned high purity refractories with low soluble chromium |
US5206193A (en) * | 1991-12-19 | 1993-04-27 | Indresco, Inc. | High purity fused grain in the system Al2 O3 -Cr2 O3 -MGO |
DE4418734A1 (de) * | 1994-05-28 | 1995-11-30 | Abb Gadelius K K | Schmelzofen für Reststoffe aus Müllverbrennungsanlagen |
US5749932A (en) * | 1996-03-29 | 1998-05-12 | Battelle Memorial Institute | Refractory electrodes for joule heating and methods of using same |
DE10259826B4 (de) * | 2002-12-19 | 2004-11-25 | Refratechnik Holding Gmbh | Grobkeramischer Formkörper, Verfahren zu dessen Herstellung und Verwendung |
US8173564B2 (en) * | 2005-03-15 | 2012-05-08 | Saint-Gobain Centre De Recherches Et D'etudes Europeen | Gasifier reactor internal coating |
KR101856265B1 (ko) * | 2010-08-10 | 2018-06-25 | 생-고뱅 생트레 드 레체르체 에 데투드 유로삐엔 | 크롬 옥사이드 파우더 |
FR2963786B1 (fr) * | 2010-08-10 | 2015-05-15 | Saint Gobain Ct Recherches | Produit refractaire a base d'oxyde de chrome. |
FR2963785A1 (fr) * | 2010-08-10 | 2012-02-17 | Saint Gobain Ct Recherches | Poudre a base d'oxyde de chrome |
CN108675773B (zh) * | 2018-07-10 | 2021-07-06 | 哈尔滨工业大学 | 一种燃烧合成气雾法制备氧化铝基纳米共晶复合微粉的方法 |
CN114507077B (zh) * | 2022-01-06 | 2023-01-17 | 瑞泰科技股份有限公司 | 熔铸锆铬刚玉耐火砖及其制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR784820A (fr) * | 1933-12-20 | 1935-07-25 | Carborundum Co | Procédé pour l'obtention d'un produit alumineux fondu |
FR1333668A (fr) * | 1962-09-19 | 1963-07-26 | Corhart Refractories Co | Produit réfractaire fondu et coulé |
FR1333669A (fr) * | 1962-09-19 | 1963-07-26 | Corhart Refractories Co | Perfectionnements aux produits réfractaires alumineux fondus et coulés et à leur procédé de fabrication |
JPS491609A (fr) * | 1972-04-18 | 1974-01-09 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2063154A (en) * | 1933-12-18 | 1936-12-08 | Carborundum Co | Fused refractory composition |
US2279260A (en) * | 1939-03-21 | 1942-04-07 | Carborundum Co | Refractory and abrasive material and process of making same |
US2911313A (en) * | 1956-11-16 | 1959-11-03 | Carborundum Co | Fused cast refractory articles and method of making them |
-
1978
- 1978-07-10 US US05/922,826 patent/US4158569A/en not_active Expired - Lifetime
-
1979
- 1979-05-08 CA CA327,205A patent/CA1108655A/fr not_active Expired
- 1979-06-29 BR BR7904133A patent/BR7904133A/pt unknown
- 1979-07-04 DE DE19792926946 patent/DE2926946A1/de not_active Withdrawn
- 1979-07-09 JP JP8681579A patent/JPS5510499A/ja active Granted
- 1979-07-09 FR FR7917751A patent/FR2430922A1/fr not_active Withdrawn
- 1979-07-09 GB GB7923926A patent/GB2024799B/en not_active Expired
- 1979-07-10 IT IT24239/79A patent/IT1122104B/it active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR784820A (fr) * | 1933-12-20 | 1935-07-25 | Carborundum Co | Procédé pour l'obtention d'un produit alumineux fondu |
FR1333668A (fr) * | 1962-09-19 | 1963-07-26 | Corhart Refractories Co | Produit réfractaire fondu et coulé |
FR1333669A (fr) * | 1962-09-19 | 1963-07-26 | Corhart Refractories Co | Perfectionnements aux produits réfractaires alumineux fondus et coulés et à leur procédé de fabrication |
JPS491609A (fr) * | 1972-04-18 | 1974-01-09 |
Non-Patent Citations (1)
Title |
---|
CA1974 * |
Also Published As
Publication number | Publication date |
---|---|
JPS5510499A (en) | 1980-01-24 |
US4158569A (en) | 1979-06-19 |
GB2024799A (en) | 1980-01-16 |
CA1108655A (fr) | 1981-09-08 |
IT7924239A0 (it) | 1979-07-10 |
DE2926946A1 (de) | 1980-01-24 |
BR7904133A (pt) | 1980-03-18 |
JPS6210957B2 (fr) | 1987-03-09 |
IT1122104B (it) | 1986-04-23 |
GB2024799B (en) | 1982-07-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |