CN201080505Y - Large-sized aluminum cell upper gas collection smoke discharging structure - Google Patents
Large-sized aluminum cell upper gas collection smoke discharging structure Download PDFInfo
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- CN201080505Y CN201080505Y CNU2007200138445U CN200720013844U CN201080505Y CN 201080505 Y CN201080505 Y CN 201080505Y CN U2007200138445 U CNU2007200138445 U CN U2007200138445U CN 200720013844 U CN200720013844 U CN 200720013844U CN 201080505 Y CN201080505 Y CN 201080505Y
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Abstract
Disclosed is a gas-collecting smoke-exhausting structure arranged at the upper part of a large-scale aluminum bath, comprising a girder, a horizontal cover plate, vertical flues, a horizontal flue and a main flue. The utility model is characterized in that firstly, the horizontal flue is arranged on the top of the girder and divided into two or more branch flues; more than one vertical flue is connected to the lower part of each horizontal branch flue; secondly, the lower part of each vertical flue is arranged above the horizontal cover plate and divided into a plurality of groups according to the capacity and the smoke exhausting quantity of the electrolysis bath; thirdly, the main flue is arranged at one side or the head end of the horizontal branch flues. The utility model has the advantages that firstly, cold-hot pressure difference of the smoke is fully used to ensure the smoke and the gases to smoothly flow upwards in the electrolysis bath; secondly, the arrangement of the flues is never be blocked by a feeding pipe and a shell striking pipe and the ventilation condition of the pipes can also be improved. In conclusion, the utility model greatly increases the efficiency of the one-time sealed gas-collecting and purifying system of the workshop.
Description
Technical field
The utility model belongs to the technical field of the collection of aluminium cell bubbing, is specifically related to the design as aluminium cell superstructure gas collection smoke discharging structure.
Background technology
Along with the continuous expansion of aluminium cell capacity, the exhaust gas volumn in the electrolyzer continues to increase, and the horizontal cover plate of traditional electrolyzer is divided into elongated flue, adopts the mode of hole gas collection, single-ended exhausting no longer reasonable.Chinese patent 03111413.X has proposed " a kind of electrolyzer gas collection method ", and it is that the electrolyzer natural gas gathering system is divided into plurality of sections gas collection arm, and every arm pipeline all is separate, and the main header that finally is aggregated into the electrolyzer end gets on.Concerning large-scale aluminum electrolytic cell, according to this design, increase many gas collection arms, pipe connecting, adjustable valve, its structure is greatly complicated.Chinese patent 200420060176.8 discloses a kind of " aluminium cell smoke collection cover structure ", though the width to horizontal cover plate and flue is adjusted to some extent, but its smoke collection cover and flue are still the below that is in electro bath-lid version (and horizontal cover plate), promptly its overall structure are not made change.
Chinese patent 200510047244.6 " a kind of exhaust method of aluminium-electrolyzing pre-roaster and device " has proposed to be provided with on the pot superstructure top design of smoke-uptake, it is characterized in that cancelling the flue under the horizontal cover plate, change in the crossbeam of pot superstructure flue is set, method be the lengthening electrolyzer column, its crossbeam raises, crossbeam is divided into two portions up and down, and the bottom is vertical gas pass and bus window; Top is bearing beam and horizontal flue; And change main flue into double pipe structure, also change the end and the bight cover plate of electrolyzer into one-piece construction.This is to the once big reform of aluminium cell top gas collection smoke discharging structure, obtains good effect.The utility model then is to replenishing that this invention is made, promptly further for this method proposition new, embodiment more specifically.
The utility model content
Because the flue gas in the electrolyzer production belongs to hot gas flow, the trend that rising is arranged under buoyancy function, therefore the utility model is guided air-flow at the crossbeam top of electrolyzer, help the discharge of hot gas flow, simultaneously at large-scale aluminum electrolytic cell gas collection pipe range, caliber is big, the pressure-losses is big, each several part pressure is difficult to the equilibrated shortcoming and has proposed new terms of settlement and design.
The top gas collection smoke discharging structure of large-scale aluminum electrolytic cell provided by the utility model comprises crossbeam, vertical gas pass, horizontal flue and main flue, it is characterized in that:
(1) horizontal flue is arranged on the crossbeam top and is divided into branch flue more than two, and every branch horizontal flue below is connected with the vertical gas pass more than;
(2) the vertical gas pass bottom is in horizontal cover plate top, is divided into several groups by electrolyzer capacity and exhaust smoke level;
(3) main flue is in a side of minute horizontal flue; Or in the termination of horizontal flue
The top gas collection smoke discharging structure of large-scale aluminum electrolytic cell of the present utility model can have the slightly different design of several covers on the basis of above-mentioned design.Now be described below respectively:
First design is, total exhaust smoke level of electrolyzer is rationally divided, be about to electrolyzer and be divided into several regions, on the horizontal cover plate of electrolyzer crossbeam bottom, open the plurality of rows gas port, connect the extraction hood of back taper on venting port, each extraction hood is access to the branch horizontal flue by vertical gas pass separately, and the main flue of this design is positioned at a side of branch horizontal flue, main flue has three slightly different designs again with the interface that divides horizontal flue; (1) the knot mouth is located at the middle part of electrolyzer, and electrolysis is rough to be both sides, boundary subregions with its longitudinal midline, and two branch horizontal flues converge to the middle part from two ends, are connected on the main flue by interface; (2) at the main flue front and rear sections two interfaces are set, the flue gas that two fens horizontal flues are collected electrolyzer front and rear sections vertical gas pass respectively converges in the main flue by these two interfaces and goes; (3) at 1/4 and 3/4 place of main flue lengthwise two interfaces are set, the pipe connecting of the flue gas that two fens horizontal flues are collected the electrolyzer front and rear sections respectively by its middle part is connected with two interfaces of main flue.
Second design is, electrolyzer is divided into several regions by rational exhaust smoke level, horizontal cover plate bottom the electrolyzer crossbeam is to divide into the gas skirt in each district, the gas skirt in each district is access to the branch horizontal flue of its correspondence by vertical gas pass separately, the branch horizontal flue is amplified the end to electrolyzer again, and be aggregated in the main flue in the electrolyzer end and go, a design the simplest is that electrolyzer is divided into two portions, each part is provided with a horizontal flue and connects several subregions, each district is provided with a vertical gas pass, each subregion vertical gas pass is the series connection form, two branch horizontal flues are in parallel in the end of electrolyzer, to be aggregated into a main flue flue gas are discharged into outside the groove.
The 3rd design is, electrolyzer crossbeam top is provided with horizontal flue more than, elongated, the horizontal cover plate of crossbeam bottom opens wide in the inside of crossbeam, the superstructure of electrolyzer is divided into several region by the reasonable Arrangement of hopper, the web of grider in each district and hopper form vertical gas pass, connect the branch horizontal flue at crossbeam top on the vertical gas pass.As one of present design example, its two horizontal flues are parallel at the crossbeam top, the termination that they extend to electrolyzer always is connected with main flue, divides horizontal flue to establish the slit air draft according to long-range nearly little principle in each district, and flue gas is aggregated into the termination discharge the most at last.
Description of drawings
Fig. 1 is the concrete structure synoptic diagram of first kind of design of the present utility model, and wherein a is a front view, and b is a shaft side figure, c, d, is the shaft side figure of other two kinds of interface plans of establishment;
Fig. 2 is the concrete structure synoptic diagram of second kind of design of the present utility model, and wherein a is a front view, and b is a side sectional view;
Fig. 3 is the concrete structure synoptic diagram of the third design of the present utility model, and wherein a is a front view, and b is an axonometric drawing, and c is a side sectional view.
In Fig. 1,2,3,1 groove thorax, 2 superstructure crossbeams, 3 horizontal cover plates, 4 hoods, 5 vertical gas passes, 6 minutes horizontal flues, 7 main flues and 8 main flue interfaces.
Embodiment
Below in conjunction with drawings and Examples content of the present utility model is further described and replenishes:
Shown in Fig. 1 a and Fig. 1 b, by design one, an enclosed construction will be arranged between groove thorax 1 and the superstructure crossbeam 2, punch by certain distance on the horizontal cover plate 3 in the groove thorax hood 4 is installed, flue gas enters in the hood by punching of horizontal cover plate, be each three district about the boundary is divided into electrolyzer with the groove center line in the present embodiment, each district is access to branch horizontal flue 6 with vertical gas pass 5, article two, the branch horizontal flue gathers in the middle of electrolyzer, main flue 7 is arranged on a side of branch horizontal flue, its just is arranged on the middle part of electrolyzer with the interface of two fens horizontal flues, it the most at last flue gas outside groove center is guided to groove.
Embodiment 2
Shown in Fig. 1 c, other is with embodiment 1.Difference is that main flue 7 front and rear sections are provided with two interfaces 8.The flue gas of forward and backward two sections vertical gas passes 5 that two fens horizontal flues 6 are collected respectively is connected with the forward and backward interface of main flue respectively again.
Embodiment 3
Shown in Fig. 1 d, with embodiment 2, but two interfaces 8 of main flue 7 are separately positioned on 1/4 and 3/4 place of main flue lengthwise.Two fens horizontal flues 6 compile the flue gas of the vertical gas pass 5 of front and rear sections respectively, are connected from its centre with the forward and backward interface of pipe connecting with main flue again.
Shown in Fig. 2 a and Fig. 2 b, by design two, flue gas between groove thorax 1 and the superstructure crossbeam 2 is entered vertical gas pass 5 by the hood 4 under the horizontal cover plate 3, some vertical gas passes are remitted to main flue 7 by minute horizontal flue 6, present embodiment utilizes the both sides at crossbeam top to arrange set flue 6, altogether electrolyzer is divided into four districts, wherein begin the flue that the crossbeam upper right is walked in I district and III district from the left side, the flue of crossbeam upper left-hand is walked in II district and IV district, the left horizontal flue in the right horizontal flue in I district and III district and I district and III district gathers in the electrolyzer end and is main flue 7, the most at last outside the flue gas drain tank.
Shown in Fig. 3 a and Fig. 3 b, by design three, horizontal cover plate 3 opens wide in the inside of superstructure crossbeam 2, utilize the steel plate of superstructure crossbeam to form vertical gas pass 5, flue gas between groove thorax 1 and the superstructure crossbeam 2 passes horizontal cover plate 3 and enters branch horizontal flue 6 by vertical gas pass 5, left and right two branch horizontal flues are arranged in the both sides at superstructure crossbeam top abreast, finally are connected on the main flue 7 in the end of electrolyzer, and flue gas is discharged from electrolyzer.
Claims (6)
1. the top gas collection smoke discharging structure of a large-scale aluminum electrolytic cell comprises crossbeam, horizontal cover plate, vertical gas pass, horizontal flue and main flue, it is characterized in that:
(1) horizontal flue is arranged on the crossbeam top and is divided into branch flue more than two, and every branch horizontal flue below is connected with the vertical gas pass more than;
(2) the vertical gas pass bottom is in horizontal cover plate top, is divided into several groups by electrolyzer capacity and exhaust smoke level;
(3) main flue is in a side of minute horizontal flue; Or in the termination of minute horizontal flue.
2. by the top gas collection smoke discharging structure of the described large-scale aluminum electrolytic cell of claim 1, it is characterized in that the side of said main flue at minute horizontal flue, it is arranged on the middle part of electrolyzer with the interface that divides horizontal flue.
3. by the top gas collection smoke discharging structure of the described large-scale aluminum electrolytic cell of claim 1, it is characterized in that said main flue
In a side of minute horizontal flue, the main flue front and rear sections is provided with two interfaces, and horizontal flue joined with the vertical gas pass of electrolyzer front and rear sections respectively in two minutes, joins with the forward and backward interface of main flue respectively after gathering again.
4. press the top gas collection smoke discharging structure of the described large-scale aluminum electrolytic cell of claim 1, it is characterized in that the side of said main flue at minute horizontal flue, main flue vertical 1/4 and 3/4 place are provided with two interfaces, horizontal flue joined with the vertical gas pass of electrolyzer front and rear sections respectively in two minutes, gathered back drawing again from its centre and joined with the forward and backward interface of main flue respectively.
5. by the top gas collection smoke discharging structure of the described large-scale aluminum electrolytic cell of claim 1, it is characterized in that the termination of said main flue at minute horizontal flue, the upper and lower parallel end at electrolyzer of horizontal flue was connected with main flue in two minutes.
6. by the top gas collection smoke discharging structure of the described large-scale aluminum electrolytic cell of claim 1, it is characterized in that the termination of said main flue at minute horizontal flue, the left and right parallel end at electrolyzer of horizontal flue was connected with main flue in two minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200138445U CN201080505Y (en) | 2007-08-17 | 2007-08-17 | Large-sized aluminum cell upper gas collection smoke discharging structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200138445U CN201080505Y (en) | 2007-08-17 | 2007-08-17 | Large-sized aluminum cell upper gas collection smoke discharging structure |
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| CN201080505Y true CN201080505Y (en) | 2008-07-02 |
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| CNU2007200138445U Expired - Fee Related CN201080505Y (en) | 2007-08-17 | 2007-08-17 | Large-sized aluminum cell upper gas collection smoke discharging structure |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101580950B (en) * | 2009-06-12 | 2011-01-12 | 东北大学设计研究院（有限公司） | Gas gathering system of divisional gas-gathering type aluminum electrolytic bath |
| CN102002734A (en) * | 2010-12-24 | 2011-04-06 | 东北大学设计研究院（有限公司） | Gas collection device with tubular truss girder for aluminum electrolysis cell |
| CN102485963A (en) * | 2010-12-02 | 2012-06-06 | 沈阳铝镁设计研究院有限公司 | Structure for controlling wind pressure balance of aluminium electrolysis-based purification flue gas pipeline |
| CN102995064A (en) * | 2012-12-24 | 2013-03-27 | 云南云铝涌鑫铝业有限公司 | Collecting device of smoke in electrolysis |
| CN105603458A (en) * | 2015-12-22 | 2016-05-25 | 中南大学 | Aluminum electrolysis cell gas collection flue sucking gas asymmetrically and uniformly |
| CN106439773A (en) * | 2016-10-30 | 2017-02-22 | 东方电气集团东方锅炉股份有限公司 | High-capacity pi-shaped boiler with double-flue arrangement |
| CN107557712A (en) * | 2017-10-13 | 2018-01-09 | 徐州瑞马科宝自动化技术有限公司 | Galvanizing system and the method that side goes out are entered in a kind of end |
| CN109722680A (en) * | 2019-03-07 | 2019-05-07 | 东北大学设计研究院（有限公司） | A kind of Smoke Gas Purity by Electrolysis smoke evacuation pipe network and resistance balance adjusting method |
| CN110042432A (en) * | 2019-05-05 | 2019-07-23 | 中南大学 | The closed gas collecting apparatus of aluminium cell |
| CN110656356A (en) * | 2019-11-08 | 2020-01-07 | 陈雨 | Closed gas collecting device for aluminum electrolytic cell |
| CN113481543A (en) * | 2021-08-04 | 2021-10-08 | 贵阳铝镁设计研究院有限公司 | Integral forming smoke exhaust device and method for cathode of electrolytic cell |
-
2007
- 2007-08-17 CN CNU2007200138445U patent/CN201080505Y/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101580950B (en) * | 2009-06-12 | 2011-01-12 | 东北大学设计研究院（有限公司） | Gas gathering system of divisional gas-gathering type aluminum electrolytic bath |
| CN102485963A (en) * | 2010-12-02 | 2012-06-06 | 沈阳铝镁设计研究院有限公司 | Structure for controlling wind pressure balance of aluminium electrolysis-based purification flue gas pipeline |
| CN102002734A (en) * | 2010-12-24 | 2011-04-06 | 东北大学设计研究院（有限公司） | Gas collection device with tubular truss girder for aluminum electrolysis cell |
| CN102002734B (en) * | 2010-12-24 | 2012-05-23 | 东北大学设计研究院（有限公司） | Gas collection device with tubular truss girder for aluminum electrolysis cell |
| CN102995064A (en) * | 2012-12-24 | 2013-03-27 | 云南云铝涌鑫铝业有限公司 | Collecting device of smoke in electrolysis |
| CN105603458A (en) * | 2015-12-22 | 2016-05-25 | 中南大学 | Aluminum electrolysis cell gas collection flue sucking gas asymmetrically and uniformly |
| CN106439773B (en) * | 2016-10-30 | 2019-10-15 | 东方电气集团东方锅炉股份有限公司 | A kind of boiler of large capacity π type twin flue arrangement |
| CN106439773A (en) * | 2016-10-30 | 2017-02-22 | 东方电气集团东方锅炉股份有限公司 | High-capacity pi-shaped boiler with double-flue arrangement |
| CN107557712A (en) * | 2017-10-13 | 2018-01-09 | 徐州瑞马科宝自动化技术有限公司 | Galvanizing system and the method that side goes out are entered in a kind of end |
| CN107557712B (en) * | 2017-10-13 | 2023-07-18 | 徐州瑞马智能技术有限公司 | Zinc plating system and method with end inlet side outlet |
| CN109722680A (en) * | 2019-03-07 | 2019-05-07 | 东北大学设计研究院（有限公司） | A kind of Smoke Gas Purity by Electrolysis smoke evacuation pipe network and resistance balance adjusting method |
| CN109722680B (en) * | 2019-03-07 | 2024-04-02 | 东北大学设计研究院（有限公司） | Electrolytic flue gas purification smoke exhaust pipe network and resistance balance adjusting method |
| CN110042432B (en) * | 2019-05-05 | 2020-06-05 | 中南大学 | Closed gas collecting device for aluminum electrolytic cell |
| CN110042432A (en) * | 2019-05-05 | 2019-07-23 | 中南大学 | The closed gas collecting apparatus of aluminium cell |
| CN110656356A (en) * | 2019-11-08 | 2020-01-07 | 陈雨 | Closed gas collecting device for aluminum electrolytic cell |
| CN113481543A (en) * | 2021-08-04 | 2021-10-08 | 贵阳铝镁设计研究院有限公司 | Integral forming smoke exhaust device and method for cathode of electrolytic cell |
| CN113481543B (en) * | 2021-08-04 | 2024-06-04 | 贵阳铝镁设计研究院有限公司 | Integral forming smoke exhausting device and method for cathode of electrolytic tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080702 Termination date: 20100817 |