CN203034112U - Reaction acceleration device for aluminum electrolysis flue gas purification pipeline - Google Patents
Reaction acceleration device for aluminum electrolysis flue gas purification pipeline Download PDFInfo
- Publication number
- CN203034112U CN203034112U CN 201220643708 CN201220643708U CN203034112U CN 203034112 U CN203034112 U CN 203034112U CN 201220643708 CN201220643708 CN 201220643708 CN 201220643708 U CN201220643708 U CN 201220643708U CN 203034112 U CN203034112 U CN 203034112U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- reaction
- flue
- gas purification
- aluminum electrolysis
- 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
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 69
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000003546 flue gas Substances 0.000 title claims abstract description 37
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 27
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 25
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000000746 purification Methods 0.000 title claims abstract description 21
- 230000001133 acceleration Effects 0.000 title abstract 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract description 25
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 abstract 1
- 239000013049 sediment Substances 0.000 abstract 1
- 238000004062 sedimentation Methods 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Electrolytic Production Of Metals (AREA)
Abstract
The utility model discloses a reaction acceleration device for an aluminum electrolysis flue gas purification pipeline, which comprises a feeding device and a flue, wherein a valve is arranged on the feeding device; the feeding device is L-shaped and comprises a feeding pipe and a reaction pipe; the feeding pipe is movably connected with the reaction pipe and tightly connected with the flue; an opening direction of the front part of the reaction pipe is the same as a flow direction of flue gas; guide holes are formed in a pipe wall of the reaction pipe in an outlet direction; an air supply pipe is arranged at the rear part of the reaction pipe; the air supply pipe extends to the exterior of the flue and is connected with a compressed air pipeline; and the air supply pipe is tightly connected with the flue and the reaction pipe respectively. The reaction acceleration device for the aluminum electrolysis flue gas purification pipeline increases the flow velocity of aluminum oxide in the reaction pipe, allows the flue gas to enter the reaction pipe quickly to conduct adsorption reaction with aluminum oxide, effectively solves the problems of sediment and accumulation of aluminum oxide in the flue, and improves the purification effect of the aluminum electrolysis flue gas.
Description
Technical field
The utility model relates to the aluminum electrolysis technology field, relates in particular to a kind of aluminum electrolysis flue gas purification pipeline accelerated reaction device.
Background technology
Aluminium cell can produce nuisances such as fluorochemical in process of production, in order to reduce nuisance to the influence of environment, dry cleaning method is mainly adopted in the gas cleaning of electrolysis of aluminum, its mode is that production is added in the flue gas with aluminum oxide, carry out absorption reaction, reclaim nuisances such as fluorochemical, the aluminum oxide that will adsorb flue gas then returns in the Aluminum Electrolysis Production and uses.Present aluminum electrolysis flue gas purification, what mainly adopt is that aluminum oxide joins in the reactors such as Venturi, VRI, and aluminum oxide and electrolysis flue gas are reacted.The problem that this method exists is that the reaction period of the flue gas that produces in the electrolysis production and aluminum oxide is shorter, and the material recovery rate of recovery is low.React the period in order to increase, then aluminum oxide is joined in the flue, but aluminum oxide joins after the flue, because the ratio of aluminum oxide is great, causes precipitation and buildup problem easily in flue, thus influence the effect of gas cleaning.
The utility model content
The purpose of this utility model is to provide a kind of increases the flow velocity of aluminum oxide in the flue, effectively solve the aluminum electrolysis flue gas purification pipeline accelerated reaction device of aluminum oxide buildup problem in the flue.
For achieving the above object, the technical scheme taked of the utility model is:
A kind of aluminum electrolysis flue gas purification pipeline accelerated reaction device, comprise feeding device and flue, feeding device is provided with valve, described feeding device is the L type, comprise filling tube and reaction tubes, described filling tube and described reaction tubes flexibly connect, and described filling tube is connected with described flue is airtight, and the open front direction of described reaction tubes is consistent with the flow direction of flue gas in the described flue; The Way out tube wall of described reaction tubes is provided with conduction hole; The rear portion of described reaction tubes is provided with air-supply duct, and the outside that described air-supply duct extends to described flue links to each other with compressed air line, and described air-supply duct is connected with described reaction tubes is airtight with described flue respectively.
Described air-supply duct has 1～4.
Described conduction hole is circular.
Described conduction hole is oval.
Described conduction hole has 1～4.
1/2 of the aperture of described conduction hole≤described reaction tube diameter.
1/2 of the ellipse short shaft of described conduction hole≤described reaction tube diameter, the diameter of the transverse of described conduction hole≤described reaction tubes.
Described air-supply duct stretches into the length of described reaction tubes inside less than the diameter of described filling tube.
The aluminum electrolysis flue gas purification pipeline accelerated reaction device that the utility model provides, owing to set up air-supply duct in reaction tubes, the pressurized air that feeds in the air-supply duct has improved the flow velocity of aluminum oxide in the reaction tubes; Because the feeding speed in the reaction tubes is higher than the flow velocity of flue gas in the flue, so can form negative pressure near the conduction hole, the flue gas of flue inside can be entered rapidly in the reaction tubes carry out absorption reaction with aluminum oxide, suck the aluminum oxide of flue bottom deposition simultaneously, impel flue gas and the abundant hybrid reaction of the aluminum oxide in the flue of flue inside, efficiently solve precipitation and the buildup problem of aluminum oxide in the flue, improved the effect of aluminum electrolysis flue gas purification, reduced the problem of environmental pollution in the electrolysis production.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure: 1-filling tube, 2-valve, 3-reaction tubes, 4-flue, 5-conduction hole, 6-air-supply duct.
Embodiment
The utility model is described in further detail below in conjunction with specific embodiment and accompanying drawing thereof.
As shown in Figure 1, the utility model provides a kind of aluminum electrolysis flue gas purification pipeline accelerated reaction device, comprise feeding device and flue 4, valve 2 is installed on the feeding device, feeding device is the L type, comprises filling tube 1 and reaction tubes 3, and filling tube 1 welds together with reaction tubes 3, filling tube 1 is airtight connections with the junction of flue 4, and the open front direction of reaction tubes 3 is consistent with the flow direction of flue gas in the flue 4.Valve 2 is used for controlling the flow of aluminum oxide in the filling tube 1.
The Way out tube wall of reaction tubes 3 is provided with conduction hole 5.Conduction hole 5 can be circular or oval, and quantity is 4.When conduction hole 5 is circle, 1/2 of aperture≤reaction tubes 3 diameters of conduction hole 5; When conduction hole 5 is ellipse, 1/2 of ellipse short shaft≤reaction tubes 3 diameters of conduction hole 5, the diameter of the transverse≤reaction tubes 3 of conduction hole 5.
Rear positions at reaction tubes 3 is equipped with air-supply duct 6, and the outside that air-supply duct 6 extends to flue 4 links to each other with compressed air line, air-supply duct 6 respectively with flue 4 and 3 airtight connections of reaction tubes.Air-supply duct 6 has 1.Air-supply duct 6 stretches into the length of reaction tubes 3 inside less than the diameter of filling tube 1.
The above-mentioned aluminum electrolysis flue gas purification pipeline accelerated reaction device that the utility model provides, its principle of work is:
Aluminum oxide joins in the flue 4 by filling tube 1 and reaction tubes 3, and valve 2 can be adjusted the flow size of aluminum oxide in the filling tube 1.After air-supply duct 6 feeds pressurized air, can accelerate the flow velocity of aluminum oxide in the reaction tubes 3.Because the feeding speed in the reaction tubes 3 is higher than the flow velocity of flue gas in the flue 4, so can form negative pressure near the conduction hole 5, make the flue gas of flue 4 inside can enter rapidly in the reaction tubes 3 and carry out absorption reaction with aluminum oxide, roll, suck the aluminum oxide of flue 4 bottoms deposition simultaneously, impel the flue gas of flue 4 inside and the abundant hybrid reaction of aluminum oxide in the flue 4, improve the efficient of gas cleaning greatly, reduced the pollution of flue gas to environment.
Claims (8)
1. aluminum electrolysis flue gas purification pipeline accelerated reaction device, comprise feeding device and flue (4), feeding device is provided with valve (2), it is characterized in that, described feeding device is the L type, comprises filling tube (1) and reaction tubes (3), and described filling tube (1) flexibly connects with described reaction tubes (3), described filling tube (1) and airtight connection of described flue (4), the open front direction of described reaction tubes (3) is consistent with the flow direction of the interior flue gas of described flue (4); The Way out tube wall of described reaction tubes (3) is provided with conduction hole (5); The rear portion of described reaction tubes (3) is provided with air-supply duct (6), and the outside that described air-supply duct (6) extends to described flue (4) links to each other with compressed air line, described air-supply duct (6) respectively with described flue (4) and airtight connection of described reaction tubes (3).
2. according to the described aluminum electrolysis flue gas purification pipeline of claim 1 accelerated reaction device, it is characterized in that: described air-supply duct (6) has 1～4.
3. according to the described aluminum electrolysis flue gas purification pipeline of claim 1 accelerated reaction device, it is characterized in that: described conduction hole (5) is circular.
4. according to the described aluminum electrolysis flue gas purification pipeline of claim 1 accelerated reaction device, it is characterized in that: described conduction hole (5) is oval.
5. according to claim 3 or 4 described aluminum electrolysis flue gas purification pipeline accelerated reaction devices, it is characterized in that: described conduction hole (5) has 1～4.
6. according to the described aluminum electrolysis flue gas purification pipeline of claim 3 accelerated reaction device, it is characterized in that: 1/2 of the aperture of described conduction hole (5)≤described reaction tubes (3) diameter.
7. according to the described aluminum electrolysis flue gas purification pipeline of claim 4 accelerated reaction device, it is characterized in that: 1/2 of the ellipse short shaft of described conduction hole (5)≤described reaction tubes (3) diameter, the diameter of the transverse of described conduction hole (5)≤described reaction tubes (3).
8. according to the described aluminum electrolysis flue gas purification pipeline of claim 2 accelerated reaction device, it is characterized in that: described air-supply duct (6) stretches into the inner length of described reaction tubes (3) less than the diameter of described filling tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220643708 CN203034112U (en) | 2012-11-29 | 2012-11-29 | Reaction acceleration device for aluminum electrolysis flue gas purification pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220643708 CN203034112U (en) | 2012-11-29 | 2012-11-29 | Reaction acceleration device for aluminum electrolysis flue gas purification pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203034112U true CN203034112U (en) | 2013-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220643708 Expired - Lifetime CN203034112U (en) | 2012-11-29 | 2012-11-29 | Reaction acceleration device for aluminum electrolysis flue gas purification pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203034112U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104694971A (en) * | 2013-12-10 | 2015-06-10 | 沈阳铝镁设计研究院有限公司 | Unpowered revolving airflow device |
-
2012
- 2012-11-29 CN CN 201220643708 patent/CN203034112U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104694971A (en) * | 2013-12-10 | 2015-06-10 | 沈阳铝镁设计研究院有限公司 | Unpowered revolving airflow device |
| CN104694971B (en) * | 2013-12-10 | 2017-01-18 | 沈阳铝镁设计研究院有限公司 | Unpowered revolving airflow device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190924 Address after: 100088 Aluminum Building, 62 Xizhimen North Street, Haidian District, Beijing Patentee after: ALUMINUM CORPORATION OF CHINA Ltd. Address before: Yongdeng County, Gansu province 730335 Lanzhou City Ping River Bridge Construction Patentee before: LANZHOU LIANCHENG ALUMINIUM INDUSTRY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130703 |
|
| CX01 | Expiry of patent term |