ES2177000T3 - Electrodo soderberg para producir aleaciones de silicio y metal de silicio. - Google Patents
Electrodo soderberg para producir aleaciones de silicio y metal de silicio.Info
- Publication number
- ES2177000T3 ES2177000T3 ES98916756T ES98916756T ES2177000T3 ES 2177000 T3 ES2177000 T3 ES 2177000T3 ES 98916756 T ES98916756 T ES 98916756T ES 98916756 T ES98916756 T ES 98916756T ES 2177000 T3 ES2177000 T3 ES 2177000T3
- Authority
- ES
- Spain
- Prior art keywords
- central core
- electrode
- silicon
- shell
- self
- 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 - Lifetime
Links
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title abstract 2
- 229910000676 Si alloy Inorganic materials 0.000 title 1
- 229910021471 metal-silicon alloy Inorganic materials 0.000 title 1
- 239000010703 silicon Substances 0.000 title 1
- 238000010411 cooking Methods 0.000 abstract 2
- 229910005347 FeSi Inorganic materials 0.000 abstract 1
- 239000004020 conductor Substances 0.000 abstract 1
- 238000010891 electric arc Methods 0.000 abstract 1
- 239000002003 electrode paste Substances 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
- H05B7/02—Details
- H05B7/10—Mountings, supports, terminals or arrangements for feeding or guiding electrodes
- H05B7/107—Mountings, supports, terminals or arrangements for feeding or guiding electrodes specially adapted for self-baking electrodes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
- H05B7/02—Details
- H05B7/06—Electrodes
- H05B7/08—Electrodes non-consumable
- H05B7/085—Electrodes non-consumable mainly consisting of carbon
- H05B7/09—Self-baking electrodes, e.g. Söderberg type electrodes
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Furnace Details (AREA)
- Silicon Compounds (AREA)
- Discharge Heating (AREA)
- Ceramic Products (AREA)
Abstract
El electrodo de autococión adecuado para usarse en horno por arco eléctrico comprende una envuelta alargada eléctricamente conductora de extremo abierto para extenderse, generalmente en vertical, dentro del horno. Un núcleo central fabricado en material térmicamente conductor se dispone dentro de la envuelta y separado de la misma. En su interior un bastidor se fija al núcleo central de una superficie interior de la carcasa para contener en la parte central el núcleo central dentro del la envuelta y para impedir una extrusión hacia abajo del núcleo central. El núcleo central está rodeado de una pasta de electrodo carbonáceo concebida para curarse dentro de un electrodo sólido al calentarse y para unirse al núcleo central. Este electrodo de autococción permite la fabricación de metal de silicio en un horno del tipo Söderberg sin ninguna modificación del sistema de deslizamiento usual o de la adición de otro sistema de deslizamiento. Según la invención, un electrodo permite que el mismo hornofabrique tanto FeSi de cualquier grado y metal Si sin ninguna parada entre el cambio gradual entre uno y otro producto y cada vez con un menor coste del electrodo.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002204425A CA2204425A1 (en) | 1997-05-02 | 1997-05-02 | Electrode for silicon alloys and silicon metal |
| US08/958,323 US5854807A (en) | 1997-05-02 | 1997-10-27 | Electrode for silicon alloys and silicon metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2177000T3 true ES2177000T3 (es) | 2002-12-01 |
Family
ID=25679299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES98916756T Expired - Lifetime ES2177000T3 (es) | 1997-05-02 | 1998-04-27 | Electrodo soderberg para producir aleaciones de silicio y metal de silicio. |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0979596B9 (es) |
| AU (1) | AU7024998A (es) |
| BR (1) | BR9809347B1 (es) |
| ES (1) | ES2177000T3 (es) |
| IS (1) | IS1955B (es) |
| NO (1) | NO315630B1 (es) |
| PL (1) | PL189321B1 (es) |
| SK (1) | SK286447B6 (es) |
| WO (1) | WO1998051129A1 (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000011226A1 (en) * | 1998-08-25 | 2000-03-02 | Pyromet (Proprietary) Limited | Söderberg-type composite electrode for arc smelting furnace |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB227822A (en) * | 1924-01-17 | 1925-08-13 | Norske Elektrokemisk Ind As | Improvements in or relating to electrodes for electric furnaces |
| US4133968A (en) * | 1977-05-26 | 1979-01-09 | Frolov Jury F | Apparatus for forming self-sintering electrodes |
| DE3840827A1 (de) * | 1988-12-03 | 1990-06-07 | Hoechst Ag | Elektrothermischer reduktionsofen |
| DE4010353A1 (de) * | 1990-03-28 | 1991-10-02 | Mannesmann Ag | Verfahren und vorrichtung zum betreiben eines metallurgischen ofens mit selbstbackender elektrode |
| FR2724219B1 (fr) * | 1994-09-05 | 1996-10-25 | Pechiney Electrometallurgie | Dispositif de montage d'une electrode composite a autocuisson pour four electrique a arc |
-
1998
- 1998-04-27 SK SK1493-99A patent/SK286447B6/sk not_active IP Right Cessation
- 1998-04-27 ES ES98916756T patent/ES2177000T3/es not_active Expired - Lifetime
- 1998-04-27 BR BRPI9809347-9A patent/BR9809347B1/pt not_active IP Right Cessation
- 1998-04-27 PL PL98336590A patent/PL189321B1/pl unknown
- 1998-04-27 EP EP98916756A patent/EP0979596B9/en not_active Expired - Lifetime
- 1998-04-27 WO PCT/CA1998/000409 patent/WO1998051129A1/en not_active Ceased
- 1998-04-27 AU AU70249/98A patent/AU7024998A/en not_active Abandoned
-
1999
- 1999-10-15 IS IS5219A patent/IS1955B/is unknown
- 1999-10-27 NO NO19995254A patent/NO315630B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| WO1998051129A1 (en) | 1998-11-12 |
| IS1955B (is) | 2004-11-15 |
| PL189321B1 (pl) | 2005-07-29 |
| SK286447B6 (sk) | 2008-10-07 |
| EP0979596B1 (en) | 2002-07-17 |
| NO315630B1 (no) | 2003-09-29 |
| IS5219A (is) | 1999-10-15 |
| NO995254L (no) | 1999-12-29 |
| BR9809347B1 (pt) | 2011-11-16 |
| NO995254D0 (no) | 1999-10-27 |
| SK149399A3 (en) | 2000-08-14 |
| PL336590A1 (en) | 2000-07-03 |
| EP0979596B9 (en) | 2003-01-02 |
| EP0979596A1 (en) | 2000-02-16 |
| AU7024998A (en) | 1998-11-27 |
| BR9809347A (pt) | 2000-07-04 |
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