DE2643475C3 - Verfahren zur Herstellung von gebrannten feuerfesten Steinen - Google Patents
Verfahren zur Herstellung von gebrannten feuerfesten SteinenInfo
- Publication number
- DE2643475C3 DE2643475C3 DE2643475A DE2643475A DE2643475C3 DE 2643475 C3 DE2643475 C3 DE 2643475C3 DE 2643475 A DE2643475 A DE 2643475A DE 2643475 A DE2643475 A DE 2643475A DE 2643475 C3 DE2643475 C3 DE 2643475C3
- Authority
- DE
- Germany
- Prior art keywords
- weight
- chrome ore
- mixture
- magnesia
- sintered 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 18
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000011449 brick Substances 0.000 title claims description 7
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 107
- 239000000395 magnesium oxide Substances 0.000 claims description 54
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 33
- 235000013339 cereals Nutrition 0.000 claims description 30
- 239000004575 stone Substances 0.000 claims description 30
- 239000000203 mixture Substances 0.000 claims description 22
- 238000010304 firing Methods 0.000 claims description 12
- 239000011651 chromium Substances 0.000 claims description 7
- 235000013312 flour Nutrition 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims 2
- 235000012245 magnesium oxide Nutrition 0.000 description 48
- 239000000463 material Substances 0.000 description 6
- 230000035939 shock Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052566 spinel group Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011451 fired brick Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel 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
- C04B35/03—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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
- C04B35/04—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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite based on magnesium oxide
- C04B35/043—Refractories from grain sized mixtures
- C04B35/047—Refractories from grain sized mixtures containing chromium oxide or chrome ore
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)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT756975A AT349965B (de) | 1975-10-03 | 1975-10-03 | Verfahren zur herstellung von gebrannten feuerfesten steinen |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2643475A1 DE2643475A1 (de) | 1977-04-07 |
| DE2643475B2 DE2643475B2 (de) | 1979-06-28 |
| DE2643475C3 true DE2643475C3 (de) | 1980-02-28 |
Family
ID=3597374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2643475A Expired DE2643475C3 (de) | 1975-10-03 | 1976-09-27 | Verfahren zur Herstellung von gebrannten feuerfesten Steinen |
Country Status (11)
| Country | Link |
|---|---|
| AT (1) | AT349965B (OSRAM) |
| BE (1) | BE846826A (OSRAM) |
| BR (1) | BR7606607A (OSRAM) |
| CA (1) | CA1064974A (OSRAM) |
| DE (1) | DE2643475C3 (OSRAM) |
| ES (1) | ES451835A1 (OSRAM) |
| FR (1) | FR2326387A1 (OSRAM) |
| GB (1) | GB1510949A (OSRAM) |
| GR (1) | GR61274B (OSRAM) |
| IT (1) | IT1125216B (OSRAM) |
| SE (1) | SE415969B (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0148869A4 (en) * | 1983-06-17 | 1985-11-07 | Monier Ltd | Ceramic material. |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR800521A (fr) * | 1935-01-10 | 1936-07-07 | Magnesit Ind Aktien Ges | Procédé de fabrication de briques de magnésite |
| DE695856C (de) * | 1935-02-03 | 1940-09-04 | Arthur Sprenger | Verfahren zur Herstellung hochwertiger Chrommagnesiasteine |
| US3864136A (en) * | 1973-11-05 | 1975-02-04 | Gen Refractories Co | Direct bonded refractory brick having improved hot strength and its method of manufacture |
-
1975
- 1975-10-03 AT AT756975A patent/AT349965B/de not_active IP Right Cessation
-
1976
- 1976-09-14 GR GR51692A patent/GR61274B/el unknown
- 1976-09-22 GB GB39337/76A patent/GB1510949A/en not_active Expired
- 1976-09-24 ES ES451835A patent/ES451835A1/es not_active Expired
- 1976-09-27 DE DE2643475A patent/DE2643475C3/de not_active Expired
- 1976-09-28 CA CA262,202A patent/CA1064974A/en not_active Expired
- 1976-09-30 SE SE7610873A patent/SE415969B/xx not_active IP Right Cessation
- 1976-10-01 BR BR7606607A patent/BR7606607A/pt unknown
- 1976-10-01 IT IT69371/76A patent/IT1125216B/it active
- 1976-10-01 BE BE2055344A patent/BE846826A/xx not_active IP Right Cessation
- 1976-10-04 FR FR7629771A patent/FR2326387A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| ES451835A1 (es) | 1977-12-16 |
| SE415969B (sv) | 1980-11-17 |
| FR2326387A1 (fr) | 1977-04-29 |
| BR7606607A (pt) | 1977-05-31 |
| FR2326387B1 (OSRAM) | 1980-03-21 |
| GB1510949A (en) | 1978-05-17 |
| DE2643475B2 (de) | 1979-06-28 |
| DE2643475A1 (de) | 1977-04-07 |
| SE7610873L (sv) | 1977-04-04 |
| CA1064974A (en) | 1979-10-23 |
| IT1125216B (it) | 1986-05-14 |
| BE846826A (fr) | 1977-01-31 |
| ATA756975A (de) | 1978-09-15 |
| GR61274B (en) | 1978-10-17 |
| AT349965B (de) | 1979-05-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: BECKER, T., DIPL.-ING. DR.-ING. MUELLER, K., DIPL.-ING. DR.-ING., PAT.-ANWAELTE, 4030 RATINGEN |
|
| 8339 | Ceased/non-payment of the annual fee |