CA2286658C - Electrode de type soderberg destinee a la fabrication d'alliages de silicium et de metaux a base de silicium - Google Patents
Electrode de type soderberg destinee a la fabrication d'alliages de silicium et de metaux a base de silicium Download PDFInfo
- Publication number
- CA2286658C CA2286658C CA002286658A CA2286658A CA2286658C CA 2286658 C CA2286658 C CA 2286658C CA 002286658 A CA002286658 A CA 002286658A CA 2286658 A CA2286658 A CA 2286658A CA 2286658 C CA2286658 C CA 2286658C
- Authority
- CA
- Canada
- Prior art keywords
- casing
- central core
- electrode
- furnace
- metal
- 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 - Fee Related
Links
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 229910000676 Si alloy Inorganic materials 0.000 title claims description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 27
- 229910052751 metal Inorganic materials 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 26
- 238000010891 electric arc Methods 0.000 claims abstract description 22
- 238000001125 extrusion Methods 0.000 claims abstract description 12
- 239000007787 solid Substances 0.000 claims abstract description 11
- 239000002003 electrode paste Substances 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 239000004020 conductor Substances 0.000 claims abstract description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 15
- 229910021471 metal-silicon alloy Inorganic materials 0.000 claims description 13
- 238000011065 in-situ storage Methods 0.000 claims description 11
- 238000011109 contamination Methods 0.000 claims description 10
- 229910052719 titanium Inorganic materials 0.000 claims description 8
- 239000010936 titanium Substances 0.000 claims description 8
- 229910052720 vanadium Inorganic materials 0.000 claims description 8
- 229910052726 zirconium Inorganic materials 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 7
- 229910000519 Ferrosilicon Inorganic materials 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 229910052715 tantalum Inorganic materials 0.000 claims description 7
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000003575 carbonaceous material Substances 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910001369 Brass Inorganic materials 0.000 claims description 4
- 239000010951 brass Substances 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims 3
- 239000000112 cooling gas Substances 0.000 claims 2
- 229910005347 FeSi Inorganic materials 0.000 abstract description 2
- 230000008859 change Effects 0.000 abstract description 2
- 230000004048 modification Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 abstract description 2
- 239000011162 core material Substances 0.000 description 57
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 210000002445 nipple Anatomy 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 4
- 244000080575 Oxalis tetraphylla Species 0.000 description 3
- 229910001021 Ferroalloy Inorganic materials 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- -1 'ra Inorganic materials 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241001233242 Lontra Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- YGZSVWMBUCGDCV-UHFFFAOYSA-N chloro(methyl)silane Chemical class C[SiH2]Cl YGZSVWMBUCGDCV-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002006 petroleum coke Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000011269 tar Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Silicon Compounds (AREA)
- Furnace Details (AREA)
- Discharge Heating (AREA)
Abstract
Cette invention concerne une électrode à auto-cuisson pouvant être utilisée dans un four à arc électrique, laquelle comprend boîtier allongé, conducteur d'électricité et à extrémité ouverte qui est disposé verticalement dans le four. Un noyau central fait d'un matériau thermoconducteur est disposé dans le boîtier tout en étant espacé de celui-ci. Un système de cadre interne permet de fixer le noyau central à la surface interne du boîtier, ceci de manière à maintenir ledit noyau au centre du boîtier et à éviter l'extrusion du noyau vers le bas. Le noyau central est entouré d'une pâte d'électrode carbonée qui va se solidifier sous forme d'une électrode solide lors du chauffage et se coller audit noyau central. Cette électrode à auto-cuisson permet de produire du métal à base de silicium dans un four de type Söderberg sans qu'il soit nécessaire de modifier le système de glissage habituel ni d'en ajouter un autre. L'électrode décrite dans cette invention permet en utilisant ce même four de produire du FeSi ayant n'importe quelle qualité ainsi que des métaux à base de Si, ceci sans temps d'improductivité lors de la transition progressive d'un produit à l'autre, et chaque fois à des coûts de production minime en ce qui concerne l'électrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002286658A CA2286658C (fr) | 1997-05-02 | 1998-04-27 | Electrode de type soderberg destinee a la fabrication d'alliages de silicium et de metaux a base de silicium |
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002204425A CA2204425A1 (fr) | 1997-05-02 | 1997-05-02 | Electrode pour alliages de silicone et de metal de silicone |
| CA2,204,425 | 1997-05-02 | ||
| US08/958,323 | 1997-10-27 | ||
| US08/958,323 US5854807A (en) | 1997-05-02 | 1997-10-27 | Electrode for silicon alloys and silicon metal |
| CA002286658A CA2286658C (fr) | 1997-05-02 | 1998-04-27 | Electrode de type soderberg destinee a la fabrication d'alliages de silicium et de metaux a base de silicium |
| PCT/CA1998/000409 WO1998051129A1 (fr) | 1997-05-02 | 1998-04-27 | Electrode de type söderberg destinee a la fabrication d'alliages de silicium et de metaux a base de silicium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2286658A1 CA2286658A1 (fr) | 1998-11-12 |
| CA2286658C true CA2286658C (fr) | 2006-01-24 |
Family
ID=31720827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002286658A Expired - Fee Related CA2286658C (fr) | 1997-05-02 | 1998-04-27 | Electrode de type soderberg destinee a la fabrication d'alliages de silicium et de metaux a base de silicium |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2286658C (fr) |
-
1998
- 1998-04-27 CA CA002286658A patent/CA2286658C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2286658A1 (fr) | 1998-11-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20180427 |