RO103127B1 - Procedeu de recuperare a wolframului din deseuri - Google Patents
Procedeu de recuperare a wolframului din deseuriInfo
- Publication number
- RO103127B1 RO103127B1 RO136913A RO13691388A RO103127B1 RO 103127 B1 RO103127 B1 RO 103127B1 RO 136913 A RO136913 A RO 136913A RO 13691388 A RO13691388 A RO 13691388A RO 103127 B1 RO103127 B1 RO 103127B1
- Authority
- RO
- Romania
- Prior art keywords
- waste
- wolfram
- recovery method
- welding electrodes
- filament waste
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 239000002699 waste material Substances 0.000 title abstract 3
- 238000011084 recovery Methods 0.000 title abstract 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 2
- 238000003466 welding Methods 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 238000005255 carburizing Methods 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 239000010937 tungsten Substances 0.000 abstract 1
Landscapes
- Processing Of Solid Wastes (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
Inventia se refera la un procedeu de recuperare a wolframului din deseurile de filamente rezultate de la fabricarea becurilor electrice, destinat, în special, reutilizarii acestuia la elaborarea electrozilor pentru încarcare prin sudare. Procedeul, conform inventiei, consta în fragilizarea deseurilor de filamente prin carburare în mediu de gaz metan activ, la o temperatura de circa 950 degree C. Filamentele astfel îmbogatite în carbon se maruntesc pîna la dimensiunile de maximum 0,5 mm si în aceasta stare sînt utilizate pentru realizarea învelisurilor de electrozi de încarcare prin sudare.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO136913A RO103127B1 (ro) | 1988-12-24 | 1988-12-24 | Procedeu de recuperare a wolframului din deseuri |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO136913A RO103127B1 (ro) | 1988-12-24 | 1988-12-24 | Procedeu de recuperare a wolframului din deseuri |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO103127A2 RO103127A2 (en) | 1991-10-11 |
| RO103127B1 true RO103127B1 (ro) | 1992-05-25 |
Family
ID=20123324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO136913A RO103127B1 (ro) | 1988-12-24 | 1988-12-24 | Procedeu de recuperare a wolframului din deseuri |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO103127B1 (ro) |
-
1988
- 1988-12-24 RO RO136913A patent/RO103127B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO103127A2 (en) | 1991-10-11 |
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