DE2622460C3 - Verfahren zur Herstellung eines feuerfesten, Calciumchromit enthaltenden Materials und Verwendung des nach dem Verfahren hergestellten Materials zur Herstellung von feuerfesten Formkörpern - Google Patents
Verfahren zur Herstellung eines feuerfesten, Calciumchromit enthaltenden Materials und Verwendung des nach dem Verfahren hergestellten Materials zur Herstellung von feuerfesten FormkörpernInfo
- Publication number
- DE2622460C3 DE2622460C3 DE19762622460 DE2622460A DE2622460C3 DE 2622460 C3 DE2622460 C3 DE 2622460C3 DE 19762622460 DE19762622460 DE 19762622460 DE 2622460 A DE2622460 A DE 2622460A DE 2622460 C3 DE2622460 C3 DE 2622460C3
- Authority
- DE
- Germany
- Prior art keywords
- cao
- refractory
- stage
- production
- oxygen
- 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 34
- 239000000463 material Substances 0.000 title claims description 15
- IPRNQAAZDJUZNY-UHFFFAOYSA-N [Ca+2].[O-][Cr]([O-])=O Chemical compound [Ca+2].[O-][Cr]([O-])=O IPRNQAAZDJUZNY-UHFFFAOYSA-N 0.000 title claims description 9
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000011819 refractory material Substances 0.000 title description 6
- 238000010304 firing Methods 0.000 claims description 16
- 239000004575 stone Substances 0.000 claims description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 5
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 230000007717 exclusion Effects 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 56
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 36
- 235000012255 calcium oxide Nutrition 0.000 description 28
- 239000000292 calcium oxide Substances 0.000 description 28
- 150000001875 compounds Chemical class 0.000 description 13
- 239000004372 Polyvinyl alcohol Substances 0.000 description 8
- 229920002451 polyvinyl alcohol Polymers 0.000 description 8
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 230000004580 weight loss Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- BCFSVSISUGYRMF-UHFFFAOYSA-N calcium;dioxido(dioxo)chromium;dihydrate Chemical compound O.O.[Ca+2].[O-][Cr]([O-])(=O)=O BCFSVSISUGYRMF-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- QXDMQSPYEZFLGF-UHFFFAOYSA-L calcium oxalate Chemical compound [Ca+2].[O-]C(=O)C([O-])=O QXDMQSPYEZFLGF-UHFFFAOYSA-L 0.000 description 1
- WETINTNJFLGREW-UHFFFAOYSA-N calcium;iron;tetrahydrate Chemical compound O.O.O.O.[Ca].[Fe].[Fe] WETINTNJFLGREW-UHFFFAOYSA-N 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/02—Linings
-
- 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
- C04B35/057—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 calcium 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
- C04B35/42—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)
- Mechanical Engineering (AREA)
- Compositions Of Oxide Ceramics (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762622460 DE2622460C3 (de) | 1976-05-20 | 1976-05-20 | Verfahren zur Herstellung eines feuerfesten, Calciumchromit enthaltenden Materials und Verwendung des nach dem Verfahren hergestellten Materials zur Herstellung von feuerfesten Formkörpern |
| AT321877A AT364807B (de) | 1976-05-20 | 1977-05-05 | Verfahren zur herstellung eines feuerfesten, calciumchromit enthaltenden materials und nach dem verfahren hergestelltes material |
| FR7715278A FR2351925A1 (fr) | 1976-05-20 | 1977-05-18 | Procede de preparation d'un materiau refractaire a base de chromite de calcium et materiau ainsi obtenu |
| GB2145477A GB1518257A (en) | 1976-05-20 | 1977-05-20 | Refractory material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762622460 DE2622460C3 (de) | 1976-05-20 | 1976-05-20 | Verfahren zur Herstellung eines feuerfesten, Calciumchromit enthaltenden Materials und Verwendung des nach dem Verfahren hergestellten Materials zur Herstellung von feuerfesten Formkörpern |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2622460A1 DE2622460A1 (de) | 1977-12-01 |
| DE2622460B2 DE2622460B2 (de) | 1978-01-05 |
| DE2622460C3 true DE2622460C3 (de) | 1978-09-07 |
Family
ID=5978479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762622460 Expired DE2622460C3 (de) | 1976-05-20 | 1976-05-20 | Verfahren zur Herstellung eines feuerfesten, Calciumchromit enthaltenden Materials und Verwendung des nach dem Verfahren hergestellten Materials zur Herstellung von feuerfesten Formkörpern |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT364807B (OSRAM) |
| DE (1) | DE2622460C3 (OSRAM) |
| FR (1) | FR2351925A1 (OSRAM) |
| GB (1) | GB1518257A (OSRAM) |
-
1976
- 1976-05-20 DE DE19762622460 patent/DE2622460C3/de not_active Expired
-
1977
- 1977-05-05 AT AT321877A patent/AT364807B/de not_active IP Right Cessation
- 1977-05-18 FR FR7715278A patent/FR2351925A1/fr active Granted
- 1977-05-20 GB GB2145477A patent/GB1518257A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AT364807B (de) | 1981-11-25 |
| DE2622460A1 (de) | 1977-12-01 |
| DE2622460B2 (de) | 1978-01-05 |
| ATA321877A (de) | 1981-04-15 |
| FR2351925A1 (fr) | 1977-12-16 |
| FR2351925B1 (OSRAM) | 1980-02-08 |
| GB1518257A (en) | 1978-07-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |