RO84150B1 - Procedeu de obtinere a produselor refractare dolomitice si magnezio-dolomitice cu oxid de calciu liber - Google Patents
Procedeu de obtinere a produselor refractare dolomitice si magnezio-dolomitice cu oxid de calciu liberInfo
- Publication number
- RO84150B1 RO84150B1 RO106290A RO10629082A RO84150B1 RO 84150 B1 RO84150 B1 RO 84150B1 RO 106290 A RO106290 A RO 106290A RO 10629082 A RO10629082 A RO 10629082A RO 84150 B1 RO84150 B1 RO 84150B1
- Authority
- RO
- Romania
- Prior art keywords
- dolomite
- magnesium
- refractory products
- preparing
- free calcium
- Prior art date
Links
- 239000010459 dolomite Substances 0.000 title abstract 5
- 229910000514 dolomite Inorganic materials 0.000 title abstract 5
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 title 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 title 1
- 235000011941 Tilia x europaea Nutrition 0.000 title 1
- 229910052791 calcium Inorganic materials 0.000 title 1
- 239000011575 calcium Substances 0.000 title 1
- 239000004571 lime Substances 0.000 title 1
- 239000000047 product Substances 0.000 abstract 2
- 229910021532 Calcite Inorganic materials 0.000 abstract 1
- 235000019738 Limestone Nutrition 0.000 abstract 1
- 239000004698 Polyethylene Substances 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 abstract 1
- 239000000571 coke Substances 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 239000012467 final product Substances 0.000 abstract 1
- 230000036571 hydration Effects 0.000 abstract 1
- 238000006703 hydration reaction Methods 0.000 abstract 1
- 239000006028 limestone Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000002480 mineral oil Substances 0.000 abstract 1
- 235000010446 mineral oil Nutrition 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000012188 paraffin wax Substances 0.000 abstract 1
- 235000019271 petrolatum Nutrition 0.000 abstract 1
- -1 polyethylene Polymers 0.000 abstract 1
- 229920000573 polyethylene Polymers 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 239000011819 refractory material Substances 0.000 abstract 1
- 239000011265 semifinished product Substances 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 239000001993 wax Substances 0.000 abstract 1
Landscapes
- Compositions Of Oxide Ceramics (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Prezenta inventie se refera la un procedeu de fabricare a produselor refractare dolomitice si magnezio-dolomitice liate ceramic, caracterizate printr-o stabilitate mare la hidratare si o viteza de uzura de 1...3 ori mai mica decît a produselor similare legate cu smoala si termooxidate. Materiile prime utilizate sînt materiale refractare cu calce libera (10...70%) si continut de MgO (40...90%), obtinute din amestec de calcare brucitice, dolomita cu si fara MgO, sinterizate la 1850...1900 degree C. Liantul utilizat pe baza de parafina, ceara si valorificarea deseurilor de polietilena, ulei mineral si vaselina confera semifabricatului stabilitate deosebita temporara înainte de ardere, iar dupa ardere, se elimina fara reziduu de cocsificare, conferind produsului final textura cu legaturi directe, porozitate mica, densitate mare, rezistente mari la compresiuni.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO106290A RO84150B1 (ro) | 1982-01-11 | 1982-01-11 | Procedeu de obtinere a produselor refractare dolomitice si magnezio-dolomitice cu oxid de calciu liber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO106290A RO84150B1 (ro) | 1982-01-11 | 1982-01-11 | Procedeu de obtinere a produselor refractare dolomitice si magnezio-dolomitice cu oxid de calciu liber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO84150A2 RO84150A2 (ro) | 1984-05-12 |
| RO84150B1 true RO84150B1 (ro) | 1984-06-30 |
Family
ID=20110928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO106290A RO84150B1 (ro) | 1982-01-11 | 1982-01-11 | Procedeu de obtinere a produselor refractare dolomitice si magnezio-dolomitice cu oxid de calciu liber |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO84150B1 (ro) |
-
1982
- 1982-01-11 RO RO106290A patent/RO84150B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO84150A2 (ro) | 1984-05-12 |
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