DE2123094A1 - Refractory magnesite chrome blocks - prepd from fusion material contg magnesia and chromium oxide - Google Patents
Refractory magnesite chrome blocks - prepd from fusion material contg magnesia and chromium oxideInfo
- Publication number
- DE2123094A1 DE2123094A1 DE19712123094 DE2123094A DE2123094A1 DE 2123094 A1 DE2123094 A1 DE 2123094A1 DE 19712123094 DE19712123094 DE 19712123094 DE 2123094 A DE2123094 A DE 2123094A DE 2123094 A1 DE2123094 A1 DE 2123094A1
- Authority
- DE
- Germany
- Prior art keywords
- cr2o3
- sio2
- melting
- content
- magnesia
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 28
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 title claims abstract description 27
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 title claims description 32
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims description 18
- 239000000395 magnesium oxide Substances 0.000 title claims description 16
- 239000001095 magnesium carbonate Substances 0.000 title claims description 9
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 title claims description 9
- 235000014380 magnesium carbonate Nutrition 0.000 title claims description 9
- 229910000021 magnesium carbonate Inorganic materials 0.000 title claims description 9
- 229910000423 chromium oxide Inorganic materials 0.000 title claims description 3
- 230000004927 fusion Effects 0.000 title abstract 6
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims abstract description 54
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 24
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 24
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 24
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 24
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 24
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 17
- 238000002844 melting Methods 0.000 claims description 16
- 230000008018 melting Effects 0.000 claims description 16
- 239000000126 substance Substances 0.000 claims description 11
- 239000011449 brick Substances 0.000 claims description 9
- 238000007885 magnetic separation Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000011651 chromium Substances 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 239000000289 melt material Substances 0.000 claims description 8
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 210000003298 dental enamel Anatomy 0.000 claims description 3
- 239000011819 refractory material Substances 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 26
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000007872 degassing Methods 0.000 abstract description 2
- 238000010891 electric arc Methods 0.000 abstract 1
- 230000003179 granulation Effects 0.000 abstract 1
- 238000005469 granulation Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 235000013339 cereals Nutrition 0.000 description 16
- AMWRITDGCCNYAT-UHFFFAOYSA-L manganese oxide Inorganic materials [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 7
- 229910052593 corundum Inorganic materials 0.000 description 7
- 239000000696 magnetic material Substances 0.000 description 7
- 229910001845 yogo sapphire Inorganic materials 0.000 description 7
- 235000013312 flour Nutrition 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- VVTSZOCINPYFDP-UHFFFAOYSA-N [O].[Ar] Chemical compound [O].[Ar] VVTSZOCINPYFDP-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 235000011868 grain product Nutrition 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712123094 DE2123094A1 (en) | 1971-05-10 | 1971-05-10 | Refractory magnesite chrome blocks - prepd from fusion material contg magnesia and chromium oxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712123094 DE2123094A1 (en) | 1971-05-10 | 1971-05-10 | Refractory magnesite chrome blocks - prepd from fusion material contg magnesia and chromium oxide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2123094A1 true DE2123094A1 (en) | 1972-11-23 |
| DE2123094B2 DE2123094B2 (enExample) | 1974-05-09 |
Family
ID=5807417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712123094 Pending DE2123094A1 (en) | 1971-05-10 | 1971-05-10 | Refractory magnesite chrome blocks - prepd from fusion material contg magnesia and chromium oxide |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2123094A1 (enExample) |
-
1971
- 1971-05-10 DE DE19712123094 patent/DE2123094A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2123094B2 (enExample) | 1974-05-09 |
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