DE1646846C2 - Verfahren zur Herstellung von ungebrannten, feuerfesten Steinen aus Magnesitchrom und Chrommagnesit - Google Patents
Verfahren zur Herstellung von ungebrannten, feuerfesten Steinen aus Magnesitchrom und ChrommagnesitInfo
- Publication number
- DE1646846C2 DE1646846C2 DE19661646846 DE1646846A DE1646846C2 DE 1646846 C2 DE1646846 C2 DE 1646846C2 DE 19661646846 DE19661646846 DE 19661646846 DE 1646846 A DE1646846 A DE 1646846A DE 1646846 C2 DE1646846 C2 DE 1646846C2
- Authority
- DE
- Germany
- Prior art keywords
- magnesite
- stones
- sintered
- chrome
- chromium
- 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
- 239000001095 magnesium carbonate Substances 0.000 title claims description 32
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 title claims description 32
- 235000014380 magnesium carbonate Nutrition 0.000 title claims description 32
- 229910000021 magnesium carbonate Inorganic materials 0.000 title claims description 32
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims description 31
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 238000000034 method Methods 0.000 title claims description 10
- 239000011449 brick Substances 0.000 title claims description 8
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 44
- 239000004575 stone Substances 0.000 claims description 37
- 239000011651 chromium Substances 0.000 claims description 24
- 239000000395 magnesium oxide Substances 0.000 claims description 22
- 229910052804 chromium Inorganic materials 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- 239000011230 binding agent Substances 0.000 claims description 9
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- 150000001639 boron compounds Chemical class 0.000 claims description 6
- 238000010304 firing Methods 0.000 claims description 5
- 150000002681 magnesium compounds Chemical class 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 230000003197 catalytic effect Effects 0.000 claims 1
- 238000005245 sintering Methods 0.000 description 13
- 238000007792 addition Methods 0.000 description 9
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 4
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 4
- 239000004327 boric acid Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 229910052928 kieserite Inorganic materials 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- VLCLHFYFMCKBRP-UHFFFAOYSA-N tricalcium;diborate Chemical class [Ca+2].[Ca+2].[Ca+2].[O-]B([O-])[O-].[O-]B([O-])[O-] VLCLHFYFMCKBRP-UHFFFAOYSA-N 0.000 description 1
- NFMWFGXCDDYTEG-UHFFFAOYSA-N trimagnesium;diborate Chemical class [Mg+2].[Mg+2].[Mg+2].[O-]B([O-])[O-].[O-]B([O-])[O-] NFMWFGXCDDYTEG-UHFFFAOYSA-N 0.000 description 1
- 239000011452 unfired brick Substances 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)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT69966A AT257448B (de) | 1966-01-26 | 1966-01-26 | Verfahren zur Herstellung von ungebrannten, feuerfesten Steinen aus Magnesitchrom und Chrommagnesit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1646846B1 DE1646846B1 (de) | 1971-09-30 |
| DE1646846C2 true DE1646846C2 (de) | 1974-08-08 |
Family
ID=3497477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19661646846 Expired DE1646846C2 (de) | 1966-01-26 | 1966-12-27 | Verfahren zur Herstellung von ungebrannten, feuerfesten Steinen aus Magnesitchrom und Chrommagnesit |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT257448B (enrdf_load_stackoverflow) |
| BE (1) | BE691962A (enrdf_load_stackoverflow) |
| DE (1) | DE1646846C2 (enrdf_load_stackoverflow) |
| FR (1) | FR1506960A (enrdf_load_stackoverflow) |
| GB (1) | GB1135823A (enrdf_load_stackoverflow) |
| NL (1) | NL6618438A (enrdf_load_stackoverflow) |
| SE (1) | SE308687B (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2918564A1 (de) * | 2014-03-13 | 2015-09-16 | LANXESS Deutschland GmbH | Feuerfeste Materialien enthaltend einen Mischkristall mit Spinell-Struktur |
| CN117303919B (zh) * | 2023-10-19 | 2024-03-08 | 郑州金河源耐火材料有限公司 | 一种免烧铬刚玉耐火砖及其制备方法 |
-
1966
- 1966-01-26 AT AT69966A patent/AT257448B/de active
- 1966-12-21 SE SE1754066A patent/SE308687B/xx unknown
- 1966-12-27 DE DE19661646846 patent/DE1646846C2/de not_active Expired
- 1966-12-29 BE BE691962D patent/BE691962A/xx not_active IP Right Cessation
- 1966-12-29 FR FR89415A patent/FR1506960A/fr not_active Expired
- 1966-12-30 NL NL6618438A patent/NL6618438A/xx unknown
-
1967
- 1967-01-18 GB GB273967A patent/GB1135823A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1135823A (en) | 1968-12-04 |
| FR1506960A (fr) | 1967-12-22 |
| DE1646846B1 (de) | 1971-09-30 |
| BE691962A (enrdf_load_stackoverflow) | 1967-05-29 |
| SE308687B (enrdf_load_stackoverflow) | 1969-02-17 |
| NL6618438A (enrdf_load_stackoverflow) | 1967-07-27 |
| AT257448B (de) | 1967-10-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 |