RO87627B1 - Procedeu de realizare a unui produs refractar - Google Patents
Procedeu de realizare a unui produs refractarInfo
- Publication number
- RO87627B1 RO87627B1 RO112186A RO11218683A RO87627B1 RO 87627 B1 RO87627 B1 RO 87627B1 RO 112186 A RO112186 A RO 112186A RO 11218683 A RO11218683 A RO 11218683A RO 87627 B1 RO87627 B1 RO 87627B1
- Authority
- RO
- Romania
- Prior art keywords
- refractory product
- refractory
- homogenized
- degrees
- minutes
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 1
- 239000012190 activator Substances 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 239000008119 colloidal silica Substances 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 238000009415 formwork Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 239000011733 molybdenum Substances 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 238000005245 sintering Methods 0.000 abstract 1
- -1 sodium fluorosilicate Chemical compound 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 239000010937 tungsten Substances 0.000 abstract 1
Landscapes
- Compositions Of Oxide Ceramics (AREA)
Abstract
Inventia se refera la un procedeu de realizare a unui produs refractar utilizat ca parte componenta a cuptoarelor pentru sinterizarea si formarea semifabricatelor de wolfram si molibden, la temperaturi cuprinse între 1500-1800 degree C. Procedeul de realizare a unui produs refractar conform inventiei consta în amestecarea a cca 80-90% agregat refractar constituit din alumina tabulara sau electrocoridon nobil, cu cca 0,05-0,08% raportat la agregatul refractar uscat un activator de întarire constituit de fluorsilicat de sodiu se omogenizeaza cca 5 min dupa care se adauga cca 10-20% un liant chimic pe baza de silice coloidala cu un continut cca 25-32% SiO2 si se omogenizeaza cca 5 min, amestecul turnîndu-se în cofraje, eventual vibrîndu-se iar dupa cca 4 h dupa întarire se decofreaza, se lasa sa se usuce la temperatura camerei, dupa care se ard la o temperatura de cca 1400-1600 degree C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO83112186A RO87627A2 (ro) | 1983-09-28 | 1983-09-28 | Procedeu de realizare a unui produs refractar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO83112186A RO87627A2 (ro) | 1983-09-28 | 1983-09-28 | Procedeu de realizare a unui produs refractar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO87627B1 true RO87627B1 (ro) | 1985-10-01 |
| RO87627A2 RO87627A2 (ro) | 1985-10-31 |
Family
ID=20113680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO83112186A RO87627A2 (ro) | 1983-09-28 | 1983-09-28 | Procedeu de realizare a unui produs refractar |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO87627A2 (ro) |
-
1983
- 1983-09-28 RO RO83112186A patent/RO87627A2/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO87627A2 (ro) | 1985-10-31 |
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