DK201070533A - Apparatus and method for balanced removal of gasses from electrolysis cells by suction - Google Patents
Apparatus and method for balanced removal of gasses from electrolysis cells by suction Download PDFInfo
- Publication number
- DK201070533A DK201070533A DKPA201070533A DKPA201070533A DK201070533A DK 201070533 A DK201070533 A DK 201070533A DK PA201070533 A DKPA201070533 A DK PA201070533A DK PA201070533 A DKPA201070533 A DK PA201070533A DK 201070533 A DK201070533 A DK 201070533A
- Authority
- DK
- Denmark
- Prior art keywords
- suction
- supplementary
- control
- electrolysis cell
- gasses
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/002—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using a central suction system, e.g. for collecting exhaust gases in workshops
-
- 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
- C25C3/22—Collecting emitted gases
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 Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Fuel Cell (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention eoneerns an apparatus and a method for the remova! ofgasses from eleetrolysis ee!!s by suetion, the apparatus eomprising a braneh duet for eaeh eleetrolysis eet!, a main duet eonneeting the braneh duets to a gas treatment centre and a contra! suction fan providing for at !east part of the suetion, wherein one or more of the braneh ducts are provided with supp!ementary suction means and wherein contro! means to contro! the supp!ementary suction means and pressure monitor means are provided, wherein the contro! means are adapted to contro! the supp!ementary suction means in dependence from changes in the monitored pressure with respect to a reference pressure.
Claims (15)
1. Apparatus for the removal of gasses from electrolysis cells by suction comprising a branch duct for each electrolysis cell, a main duct connecting the branch ducts to a gas treatment centre and a central suction fan providing for at least part of the suction, wherein one or more of die branch ducts are provided with supplementary suction means and wherein control means to control the supplementary suction means and pressure monitor means are provided, wherein the control means are adapted to control the supplementary suction means in dependence from changes in the monitored pressure with respect to a reference pressure.
2. Apparatus according to claim 1, wherein the pressure monitor means are provided in the electrolysis cell and/or in the part of the branch duct between the electrolysis cell and the supplementary suction means.
3. Apparatus according to one or more of claims 1 -2, wherein the supplementary suction means comprise air injection means.
4. Apparatus according to claim 3, wherein the control means control feed means with which pressurized air is fed to the air injection means.
5. Apparatus according to claim 3, wherein the air injection means comprise an air amplifier.
6. Apparatus according to claim 1 or 2, wherein the supplementary suction means comprise a suction fan and wherein the control means control the motor of the suction fan.
7. Apparatus according to one or more of the claims 1-6, wherein temperature measurement means are provided in the electrolysis cell and/or in the part of the branch duct between the electrolysis cell and the supplementary suction means.
8. Apparatus according to claim 8, wherein the temperature measurement means are connected to the control means for the supplementary suction means
9. Apparatus according to one or more of the claims 1-8, wherein central control means are provided to which pressure monitor means, control means for the supplementary suction means and the temperature measurement means are connected.
10. Method to control the removal of gasses from electrolysis cells by suction wherein the gasses are removed through branch ducts connected to the electrolysis cells and a main duct connecting the branch ducts to a gas treatment centre, a central suction fan providing for at least part of the suction, wherein for each of a number of electrolysis cells supplementary suction is provided for by means of supplementary suction means provided for in the branch ducts of each of said electrolysis cells in dependence of changes of a monitored pressure with respect to a reference pressure.
11. Method according to claim 10, wherein the pressure is monitored in the electrolysis cell or in the part of the branch duct between the electrolysis cell and the supplementary suction means.
12. Method according to claim 10 or 11, wherein the supplementary suction is realized by means of injection of a fluid medium in a branch duct.
13. Method according to claim 12, wherein the fluid medium is pressurized air.
14. Method according to one or more of claims 10-13, wherein the temperature of the gasses is monitored in the electrolysis cell and/or in the part of the branch duct between the electrolysis cell and the supplementary suction means.
15. Method according to claim 14, wherein the temperature of the gasses is used in the control of the supplementary suction means.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP09006172A EP2248605A1 (en) | 2009-05-06 | 2009-05-06 | Apparatus and method for balances removal of gasses from electrolysis cells by suction |
| PCT/IB2010/001214 WO2010128400A2 (en) | 2009-05-06 | 2010-05-21 | Apparatus and method for balanced removal of gasses for electrolysis cells by suction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK201070533A true DK201070533A (en) | 2010-12-07 |
Family
ID=41211896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DKPA201070533A DK201070533A (en) | 2009-05-06 | 2010-12-07 | Apparatus and method for balanced removal of gasses from electrolysis cells by suction |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP2248605A1 (en) |
| BR (1) | BRPI1013841A2 (en) |
| CA (1) | CA2761206A1 (en) |
| DK (1) | DK201070533A (en) |
| RU (1) | RU2011149280A (en) |
| WO (1) | WO2010128400A2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO20181482A1 (en) * | 2018-11-20 | 2020-05-21 | Norsk Hydro As | Method and system for controlling suction of off-gases from electrolysis cells |
| CN109926425B (en) * | 2019-04-09 | 2021-01-05 | 四川大国工场科技有限公司 | Dust removal method and device based on shared station |
| CN110219024A (en) * | 2019-07-11 | 2019-09-10 | 胡洪江 | Reaction type aluminium cell smoke evacuation control pressurer system |
| CN110280122A (en) * | 2019-07-16 | 2019-09-27 | 沈阳铝镁科技有限公司 | A kind of dynamic double smoke pipe configuration methods of potroom and system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6434784B1 (en) | 2000-12-19 | 2002-08-20 | David A. Wisser | Portable dust collection system for collection of wood floor sanding dust |
| EP1845175B1 (en) | 2006-04-11 | 2011-02-16 | Aluminium Pechiney | System and process for collecting effluents from an electrolytic cell |
| CN101589180B (en) | 2006-12-21 | 2011-04-06 | 丹尼利克里斯技术服务有限公司 | Apparatus and method for removal of gasses |
-
2009
- 2009-05-06 EP EP09006172A patent/EP2248605A1/en not_active Withdrawn
-
2010
- 2010-05-21 BR BRPI1013841A patent/BRPI1013841A2/en not_active Application Discontinuation
- 2010-05-21 CA CA2761206A patent/CA2761206A1/en not_active Abandoned
- 2010-05-21 WO PCT/IB2010/001214 patent/WO2010128400A2/en active Application Filing
- 2010-05-21 RU RU2011149280/02A patent/RU2011149280A/en unknown
- 2010-12-07 DK DKPA201070533A patent/DK201070533A/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| EP2248605A1 (en) | 2010-11-10 |
| WO2010128400A2 (en) | 2010-11-11 |
| WO2010128400A3 (en) | 2011-02-17 |
| BRPI1013841A2 (en) | 2016-04-12 |
| CA2761206A1 (en) | 2010-11-11 |
| RU2011149280A (en) | 2013-06-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PHB | Application deemed withdrawn due to non-payment or other reasons |
Effective date: 20130531 |