RO84044B1 - Procedeu si aparat pentru obtinerea carburii de bor - Google Patents
Procedeu si aparat pentru obtinerea carburii de borInfo
- Publication number
- RO84044B1 RO84044B1 RO109800A RO10980083A RO84044B1 RO 84044 B1 RO84044 B1 RO 84044B1 RO 109800 A RO109800 A RO 109800A RO 10980083 A RO10980083 A RO 10980083A RO 84044 B1 RO84044 B1 RO 84044B1
- Authority
- RO
- Romania
- Prior art keywords
- content
- reaction
- reactants
- boron carbide
- carbide
- Prior art date
Links
- 229910052580 B4C Inorganic materials 0.000 title abstract 2
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 abstract 3
- 239000000376 reactant Substances 0.000 abstract 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- PPWPWBNSKBDSPK-UHFFFAOYSA-N [B].[C] Chemical compound [B].[C] PPWPWBNSKBDSPK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 229910002804 graphite Inorganic materials 0.000 abstract 1
- 239000010439 graphite Substances 0.000 abstract 1
- 238000000265 homogenisation Methods 0.000 abstract 1
- 238000007654 immersion Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 239000000779 smoke Substances 0.000 abstract 1
- 230000003595 spectral effect Effects 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 229910052717 sulfur Inorganic materials 0.000 abstract 1
- 239000011593 sulfur Substances 0.000 abstract 1
Landscapes
- Carbon And Carbon Compounds (AREA)
Abstract
Procedeul pentru obtinerea carburii de bor, conform inventiei, consta în aceea ca, folosind ca reactanti anhidrida borica, avînd un continut de 95...97%B2O3, o umiditate de 0,5...1% si o granulatie medie de 0,1mm si negru de fum avînd diametrul mediu al particulelor de 250...950 A, suprafata specifica de 25...125m2/g, pH-ul de 8...9 un continut de substanta volatila de 0,5...5% o umiditate de 0,7...2,5% un continut de cenusa de 0,06...0,4%, un continut de sulf total de 0,05...0,3% si greutate volumetrica de 250...350kg/m3, acesti reactanti sunt amestecati la un raport molar C:B2O3 de 1:1 si, dupa o omogenizare mecanica, sunt introdusi într-o nacela de grafit spectral pur, în care se supun brichetarii prin presare cu o forta de circa 250 daN/cm2, la o temperatura de reactie de 2200 + - 50 degree C, iar timpul necesar reactiei de formare a carburii ffiind de circa 1h, dupa care produsul de reactie este supus unei sfarîmari usoare si apoi se separa carbura de bor de excesul de carbune, prin imersia si flotatia produsului de reactie sfarîmat...
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO109800A RO84044B1 (ro) | 1983-01-21 | 1983-01-21 | Procedeu si aparat pentru obtinerea carburii de bor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO109800A RO84044B1 (ro) | 1983-01-21 | 1983-01-21 | Procedeu si aparat pentru obtinerea carburii de bor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO84044A2 RO84044A2 (ro) | 1984-06-21 |
| RO84044B1 true RO84044B1 (ro) | 1984-08-30 |
Family
ID=20112594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO109800A RO84044B1 (ro) | 1983-01-21 | 1983-01-21 | Procedeu si aparat pentru obtinerea carburii de bor |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO84044B1 (ro) |
-
1983
- 1983-01-21 RO RO109800A patent/RO84044B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO84044A2 (ro) | 1984-06-21 |
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