RU2006106439A - METHOD FOR THERMAL CLEANING OF ANODE GASES OF ALUMINUM ELECTROLYZER AND DEVICE FOR ITS IMPLEMENTATION - Google Patents
METHOD FOR THERMAL CLEANING OF ANODE GASES OF ALUMINUM ELECTROLYZER AND DEVICE FOR ITS IMPLEMENTATION Download PDFInfo
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- RU2006106439A RU2006106439A RU2006106439/02A RU2006106439A RU2006106439A RU 2006106439 A RU2006106439 A RU 2006106439A RU 2006106439/02 A RU2006106439/02 A RU 2006106439/02A RU 2006106439 A RU2006106439 A RU 2006106439A RU 2006106439 A RU2006106439 A RU 2006106439A
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Abstract
1.Способ термического обезвреживания анодных газов алюминиевого электролизера, включающий поступление анодных газов из газосборника каждого электролизера и подогретого в теплообменнике воздуха для дожигания в горелке за счет разрежения в системе газоотсоса, состоящей из инерционной пылеосадительной камеры, спусков и газохода для удаления образующихся дымовых газов, отличающийся тем, что перед подачей в горелочное устройство, анодные газы из газосборника каждого электролизера подают в инерционные пылеосадительные камеры, установленные на секциях газосборников; затем анодные газы по теплоизолированным спускам направляют в теплоизо-лированный газоход и дожигают централизованно в горелке или топке, а образующиеся дымовые газы после дожигания анодных газов перед подачей в газоход, направляют в теплообменник для утилизации тепла.2. Способ по п.1, отличающийся тем, что регулируют поступление анодных газов от каждого электролизера с помощью дроссельной заслонки.3. Устройство для осуществления способа, содержащее горелку и патрубки подвода анодного газа и подогретого воздуха, теплообменник для подогрева воздуха и систему газоотсоса, отличающееся тем, что горелка снабжена камерой смешения и частичного дожигания анодных газов; при этом, с противоположных сторон камеры закреплены патрубки для тангенциального подвода анодных газов и подогретого воздуха; а теплообменник для подогрева воздуха установлен с зазором относительно горелки и соединен стояком с патрубком для тангенциального подвода подогретого воздуха; кроме того, внутри стояка установлена заслонка для регулирования расхода подогретого воздух�1. A method of thermal neutralization of the anode gases of an aluminum electrolysis cell, including the input of anode gases from the gas collector of each electrolysis cell and heated air in the heat exchanger for afterburning in the burner due to rarefaction in the gas extraction system, consisting of an inertial dust-collecting chamber, slopes and a flue for removing the generated flue gases the fact that before feeding into the burner device, the anode gases from the gas collector of each electrolyzer are fed into inertial dust-collecting chambers, setting nye to the plenum sections; Then, the anode gases are sent through heat-insulated slopes to a heat-insulated gas duct and centrally burned in a burner or furnace, and the resulting flue gases, after burning the anode gases before being fed into the gas duct, are sent to a heat exchanger for heat recovery. 2. The method according to claim 1, characterized in that the flow of anode gases from each cell is controlled by a throttle valve. A device for implementing the method, comprising a burner and nozzles for supplying anode gas and heated air, a heat exchanger for heating air and a gas extraction system, characterized in that the burner is equipped with a chamber for mixing and partial afterburning of the anode gases; at the same time, nozzles for tangential supply of anode gases and heated air are fixed on opposite sides of the chamber; and the heat exchanger for heating the air is installed with a gap relative to the burner and connected to the riser with a pipe for the tangential supply of heated air; in addition, a shutter is installed inside the riser to control the flow of heated air�
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2006106439/02A RU2321687C2 (en) | 2006-03-01 | 2006-03-01 | Thermal neutralizing method of aluminum cell anode gases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2006106439/02A RU2321687C2 (en) | 2006-03-01 | 2006-03-01 | Thermal neutralizing method of aluminum cell anode gases |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2006106439A true RU2006106439A (en) | 2007-09-20 |
| RU2321687C2 RU2321687C2 (en) | 2008-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2006106439/02A RU2321687C2 (en) | 2006-03-01 | 2006-03-01 | Thermal neutralizing method of aluminum cell anode gases |
Country Status (1)
| Country | Link |
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| RU (1) | RU2321687C2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2458035A1 (en) * | 2010-01-21 | 2012-05-30 | Alstom Technology Ltd | A method of ventilating an aluminium production electrolytic cell |
| CN102828203B (en) * | 2012-08-21 | 2015-04-01 | 沈阳化工大学 | Method for purifying flue gas in aluminum electrolysis production |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2093610C1 (en) * | 1995-05-15 | 1997-10-20 | Акционерное общество открытого типа "Братский алюминиевый завод" | Method of afterburning anode gases in aluminum electrolyzer |
| RU2157863C2 (en) * | 1998-10-19 | 2000-10-20 | Красноярская государственная академия цветных металлов и золота | Equipment to burn low-calorie gases of aluminum electrolyzer |
| RU2269610C1 (en) * | 2004-07-23 | 2006-02-10 | Общество с ограниченной ответственностью "Инженерно-технологический центр" | Device for burning anode gases of aluminum electrolyzer |
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2006
- 2006-03-01 RU RU2006106439/02A patent/RU2321687C2/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| RU2321687C2 (en) | 2008-04-10 |
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| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20100302 |