CA3193088A1 - Detection de reactions aluminothermique dans une cellule electrolytique - Google Patents
Detection de reactions aluminothermique dans une cellule electrolytiqueInfo
- Publication number
- CA3193088A1 CA3193088A1 CA3193088A CA3193088A CA3193088A1 CA 3193088 A1 CA3193088 A1 CA 3193088A1 CA 3193088 A CA3193088 A CA 3193088A CA 3193088 A CA3193088 A CA 3193088A CA 3193088 A1 CA3193088 A1 CA 3193088A1
- Authority
- CA
- Canada
- Prior art keywords
- voltage drop
- anode
- derivative
- variance
- voltage
- 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.)
- Pending
Links
- 239000003832 thermite Substances 0.000 title claims abstract description 116
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 115
- 238000000034 method Methods 0.000 claims abstract description 56
- 239000000523 sample Substances 0.000 claims abstract description 37
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 14
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 13
- 230000000712 assembly Effects 0.000 claims description 78
- 238000000429 assembly Methods 0.000 claims description 78
- 238000001514 detection method Methods 0.000 claims description 25
- 238000005259 measurement Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 230000000116 mitigating effect Effects 0.000 abstract description 3
- 238000005868 electrolysis reaction Methods 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 230000009467 reduction Effects 0.000 description 10
- 229910052782 aluminium Inorganic materials 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 238000012544 monitoring process Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 230000008901 benefit Effects 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 238000003860 storage Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- -1 aluminum ions Chemical class 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 238000009626 Hall-Héroult process Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 229910001610 cryolite Inorganic materials 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009118 appropriate response Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011195 cermet Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/20—Automatic control or regulation of cells
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
- C25C3/12—Anodes
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/16—Electric current supply devices, e.g. bus bars
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Catalysts (AREA)
- Hybrid Cells (AREA)
Abstract
L'invention concerne un procédé de détection d'une réaction aluminothermique dans une cellule électrolytique comprenant un ensemble anode d'une ou plusieurs anodes contenant un oxyde métallique. Chaque ensemble anode est alimenté par un courant fourni par une tige anodique distincte pour chaque ensemble anode. Le procédé comprend : la mesure d'une chute de tension à l'aide d'une paire de sondes de tension situées sur la tige d'anode, la chute de tension correspondant à un flux de courant dans l'ensemble anode ; le traitement de la chute de tension en calculant au moins la dérivée de la chute de tension, la variance de la chute de tension et/ou la dérivée de la variance de la chute de tension ; et la détection d'une réaction aluminothermique sur la base des résultats du traitement du signal, avant d'atténuer et/ou de supprimer la réaction aluminothermique en ajustant les paramètres opérationnels de la cellule électrolytique. Ce procédé est particulièrement avantageux, car il réduit d'un facteur 10 le nombre de chutes de tension nécessaires à la détection d'une réaction aluminothermique.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202063106517P | 2020-10-28 | 2020-10-28 | |
| US63/106,517 | 2020-10-28 | ||
| PCT/CA2021/051512 WO2022087732A1 (fr) | 2020-10-28 | 2021-10-27 | Détection de réactions aluminothermique dans une cellule électrolytique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA3193088A1 true CA3193088A1 (fr) | 2022-05-05 |
Family
ID=81381935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3193088A Pending CA3193088A1 (fr) | 2020-10-28 | 2021-10-27 | Detection de reactions aluminothermique dans une cellule electrolytique |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20230374685A1 (fr) |
| EP (1) | EP4237838A1 (fr) |
| CN (1) | CN116457503A (fr) |
| AU (1) | AU2021371450A1 (fr) |
| BR (1) | BR112023005871A2 (fr) |
| CA (1) | CA3193088A1 (fr) |
| DK (1) | DK202370247A1 (fr) |
| WO (1) | WO2022087732A1 (fr) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2764000T3 (es) * | 2012-08-17 | 2020-06-01 | Elysis Lp | Sistemas y procedimientos para impedir reacciones de termita en celdas electrolíticas |
-
2021
- 2021-10-27 US US18/029,805 patent/US20230374685A1/en active Pending
- 2021-10-27 EP EP21884216.9A patent/EP4237838A1/fr active Pending
- 2021-10-27 WO PCT/CA2021/051512 patent/WO2022087732A1/fr active Application Filing
- 2021-10-27 CA CA3193088A patent/CA3193088A1/fr active Pending
- 2021-10-27 AU AU2021371450A patent/AU2021371450A1/en active Pending
- 2021-10-27 BR BR112023005871A patent/BR112023005871A2/pt unknown
- 2021-10-27 CN CN202180072431.7A patent/CN116457503A/zh active Pending
-
2023
- 2023-05-23 DK DKPA202370247A patent/DK202370247A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN116457503A (zh) | 2023-07-18 |
| EP4237838A1 (fr) | 2023-09-06 |
| DK202370247A1 (en) | 2023-06-09 |
| BR112023005871A2 (pt) | 2023-05-09 |
| US20230374685A1 (en) | 2023-11-23 |
| WO2022087732A1 (fr) | 2022-05-05 |
| AU2021371450A9 (en) | 2024-05-02 |
| AU2021371450A1 (en) | 2023-06-01 |
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