GB885804A - Process for the production of refractory spinel material - Google Patents
Process for the production of refractory spinel materialInfo
- Publication number
- GB885804A GB885804A GB2296/60A GB229660A GB885804A GB 885804 A GB885804 A GB 885804A GB 2296/60 A GB2296/60 A GB 2296/60A GB 229660 A GB229660 A GB 229660A GB 885804 A GB885804 A GB 885804A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alumina
- activated
- magnesia
- mixture
- mgo
- 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.)
- Expired
Links
- 239000000463 material Substances 0.000 title abstract 5
- 229910052596 spinel Inorganic materials 0.000 title abstract 4
- 239000011029 spinel Substances 0.000 title abstract 4
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical class [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract 15
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 10
- 239000000203 mixture Substances 0.000 abstract 7
- 239000000395 magnesium oxide Substances 0.000 abstract 6
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 abstract 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 4
- 229910052593 corundum Inorganic materials 0.000 abstract 4
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract 2
- 239000000571 coke Substances 0.000 abstract 2
- 239000007799 cork Substances 0.000 abstract 2
- 239000010431 corundum Substances 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 2
- 239000012535 impurity Substances 0.000 abstract 2
- 229920003002 synthetic resin Polymers 0.000 abstract 2
- 239000000057 synthetic resin Substances 0.000 abstract 2
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 2
- 229910052845 zircon Inorganic materials 0.000 abstract 2
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 abstract 2
- 229910001593 boehmite Inorganic materials 0.000 abstract 1
- 230000018044 dehydration Effects 0.000 abstract 1
- 238000006297 dehydration reaction Methods 0.000 abstract 1
- 238000000227 grinding Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000001027 hydrothermal synthesis Methods 0.000 abstract 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 abstract 1
- 239000001095 magnesium carbonate Substances 0.000 abstract 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 abstract 1
- 238000003801 milling Methods 0.000 abstract 1
- 239000013535 sea water Substances 0.000 abstract 1
- 238000005245 sintering Methods 0.000 abstract 1
- 150000004684 trihydrates Chemical class 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C04B35/42—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
-
- 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
-
- 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
- C04B35/12—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 chromium oxide
-
- 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
- C04B35/44—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 aluminates
Abstract
A refractory spinel is prepared by burning at 1,450 DEG C.-1,550 DEG C. a gelled mixture of activated magnesia and activated alumina in the proportion of 28,2 MgO-71,8Al2O3. The activated magnesia has a specific surface area of above 20 sq. metres/grams. and less than 3% impurities, particularly less than 2% CaO and 0,2% Na2O, and may be prepared by heating sea water, magnesia hydrate or natural or synthetic magnesium carbonate to 400-800 DEG C. The activated alumina is a g -alumina having a specific surface area of at least 10 sq. metres/gram., and is in the form of flakes having a thickness of less than 1/10 microns. It must contain less than 1% impurities, and in particular less than 0,5% of Na2O, K2O and CaO taken together. The activated alumina may be obtained from a monohydrated alumina, e.g. a bohmite obtained by a hydrothermal reaction, by thermal dehydration, or, preferably, by dehydrating an alumina trihydrate in a fluidized bed at 300 DEG C.-800 DEG C. The alumina and magnesia may be activated separately or after mixing. The mixture may be converted into a gel by grinding with cold water, for example in a ball mill. Other materials may be added to the mixture, for example sintered magnesia, corundum, zircon, zirconia, and chromite. To obtain porous and insulating refractory bodies, materials which decompose, or boil, or react with the mixture, to give gases, may be added, for example sawdust, coke, naphthalene, cork, and expanded synthetic resins.ALSO:Process for the production of a fractory spinel comprises burning at a temperature of 1450 DEG to 1550 DEG C. a gelled mixture, prepared by milling, of equivalent quantities of activated magnesia and alumina, in the same proportions as in the spinel MgO, Al2O3, i.e. about 28,2% MgO and 71.8% Al2O3 by weight. Other compositions may be introduced into the paste such as sintered MgO, corundum, zircon, ZrO2 and chromite. To obtain porous and insulating refractory bodies, materials which boil, or decompose, or react with the mixture to give gases may be added before sintering; such materials include sawdust, coke, naphthalene, cork, and expanded synthetic resins.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR885804X | 1959-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB885804A true GB885804A (en) | 1961-12-28 |
Family
ID=9375613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2296/60A Expired GB885804A (en) | 1959-01-21 | 1960-01-21 | Process for the production of refractory spinel material |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB885804A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0116147A1 (en) * | 1982-12-20 | 1984-08-22 | The Dow Chemical Company | Phosphate bonding of reactive spinels for use as refractory materials |
| US5135896A (en) * | 1989-10-31 | 1992-08-04 | North American Refractories Company | Spinel bondable ceramic composition |
| CN112028642A (en) * | 2020-08-04 | 2020-12-04 | 山东金三河新材料科技有限公司 | Zirconia refractory material and preparation method thereof |
| CN113354440A (en) * | 2021-08-02 | 2021-09-07 | 山东省栓皮栎产业技术研究院有限公司 | Composite material prepared from cork and aluminum oxide of cork oak bark and preparation method |
| CN114906866A (en) * | 2022-05-16 | 2022-08-16 | 山东恒源兵器科技股份有限公司 | Composite magnesium-aluminum spinel powder and preparation method and application thereof |
-
1960
- 1960-01-21 GB GB2296/60A patent/GB885804A/en not_active Expired
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0116147A1 (en) * | 1982-12-20 | 1984-08-22 | The Dow Chemical Company | Phosphate bonding of reactive spinels for use as refractory materials |
| US5135896A (en) * | 1989-10-31 | 1992-08-04 | North American Refractories Company | Spinel bondable ceramic composition |
| CN112028642A (en) * | 2020-08-04 | 2020-12-04 | 山东金三河新材料科技有限公司 | Zirconia refractory material and preparation method thereof |
| CN112028642B (en) * | 2020-08-04 | 2022-05-10 | 山东金三河新材料科技有限公司 | Zirconia refractory material and preparation method thereof |
| CN113354440A (en) * | 2021-08-02 | 2021-09-07 | 山东省栓皮栎产业技术研究院有限公司 | Composite material prepared from cork and aluminum oxide of cork oak bark and preparation method |
| CN114906866A (en) * | 2022-05-16 | 2022-08-16 | 山东恒源兵器科技股份有限公司 | Composite magnesium-aluminum spinel powder and preparation method and application thereof |
| CN114906866B (en) * | 2022-05-16 | 2023-09-22 | 山东恒源兵器科技股份有限公司 | Composite magnesia-alumina spinel powder and preparation method and application thereof |
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