CN201158717Y - Tank bottom upwarp-proof structure of aluminum cell - Google Patents
Tank bottom upwarp-proof structure of aluminum cell Download PDFInfo
- Publication number
- CN201158717Y CN201158717Y CNU2007200162904U CN200720016290U CN201158717Y CN 201158717 Y CN201158717 Y CN 201158717Y CN U2007200162904 U CNU2007200162904 U CN U2007200162904U CN 200720016290 U CN200720016290 U CN 200720016290U CN 201158717 Y CN201158717 Y CN 201158717Y
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- China
- Prior art keywords
- link rod
- bottom land
- arch structure
- electrolyzer
- aluminium cell
- 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
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 36
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 title claims description 25
- 239000004411 aluminium Substances 0.000 claims description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 238000009413 insulation Methods 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 210000004027 cell Anatomy 0.000 description 21
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 210000005056 cell body Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Electrolytic Production Of Metals (AREA)
Abstract
The utility model discloses an aluminum electrolytic tank structure, in particular to a structure for preventing a tank bottom from arching up when the aluminum electrolytic tank is in the roasting and starting process. An aluminum electrolytic tank bottom anti-arching structure is that a connecting mechanism (14) is arranged on the tank bottom, one end of the connecting mechanism (14) is connected with a cradle holder (1) on the aluminum electrolytic tank bottom, and the other end is fixed on a supporting pier (13) of the electrolytic tank. The arching deformation of the tank bottom in the process of roasting and starting the aluminum electrolytic tank can be solved through adopting the utility model, which not only prevents from generating anode cracks, but also is convenient for production and operation. The utility model has the advantages of simple structure, easy realization in operation, obvious effects, and wide market prospect.
Description
Technical field
The utility model relates to a kind of aluminum cell structure, particularly relates to the structure of a kind of aluminium cell anti-bottom land arch in the roasting and starting process.
Background technology
Along with developing rapidly of aluminium electrolytic industry, China's large vol aluminium cell exploitation has obtained a series of achievements, the large vol aluminium cell has become the main body grooved of aluminium electrolytic industry, present domestic maximum grooved is 400kA, the maximum capacity electrolyzer of produced in series is the 350kA prebaked-anode type cell, about 18 meters of pot shell length.Along with the development of large vol electrolyzer, enjoy the work-ing life of electrolyzer Aluminum circle to pay close attention to, it is the integrated technology index of reflection production technology level height, is again an outstanding technical barrier.The reason that influences large-scale cell life is a lot, the quality of cathode carbon pieces material, the design of electrolyzer, furnace building material, brickwork quality, roasting and starting, production operation and management etc.
The roasting and starting of electrolyzer has fundamental influence to the life-span of electrolyzer, and the phenomenon of bakie often appears in the large vol electrolyzer in the process of roasting and starting at present, and this mainly is that electrolyte leakage causes because the crack appears in negative electrode.Electrolyzer is in the roasting and starting process, and the temperature of electrolyzer is elevated to 950 ℃ of production temperature from normal temperature, and in the temperature-rise period, because the thermal property difference of various materials in cell body internal-external temperature difference and the cell body very easily causes the arch of bottom land, maximum arch is above 10 centimetres.The bottom land arch can make negative electrode the crack occur on the one hand, and this also is the one of the main reasons of bakie in the roasting and starting process above-mentioned; Can cause the difficulty of production operation on the other hand, mainly show the disunity of pole span, distribution of current inequality, electrolyzer production shakiness etc.Therefore, the bottom land arch is very harmful to electrolyzer, not only reduces cell life, and influences the production operation of electrolyzer greatly, this phenomenon ubiquity on large-scale aluminum electrolytic cell.
The utility model content
Technical problem to be solved in the utility model is: arch structure on the anti-bottom land of a kind of aluminium cell is provided, by this structure cell bottom is applied a downward power and come offset slot arching of bottom power, prevent the arch of cell bottom, it had both solved the negative electrode crack problem, solve the problem of production operation difficulty again, can prolong the life-span of electrolyzer.
The large-scale aluminium electrolysis pot shell mainly is made of pot shell and bassinet stand, and main employing is the ship shape pot shell structure that bassinet stand and pot shell weld together at present.
According to these characteristics, in order to achieve the above object, the utility model is achieved in that arch structure on a kind of anti-bottom land of aluminium cell, at trench bottom connection mechanism is set, connection mechanism's one end is connected with bassinet stand on the aluminium cell bottom surface, and an end is fixed on the buttress of electrolyzer.
Described connection mechanism is 1-4, is distributed near the bassinet stand 1 of electrolyzer symmetrical center line.
Described connection mechanism is 1-20, is arranged on the middle part of electrolyzer.
Described connection mechanism structure is as follows: the steel plate that is connected with bassinet stand, another block plate that is connected with steel plate, steel plate is connected with last link rod, and last link rod is connected by the forked type joint with following link rod, last link rod and following link rod can all around rotate, and following link rod is connected with the electrolyzer buttress.
Also be provided with insulcrete between described link rod down and the buttress, be provided with insulation thimble between buttress and the bolt.
Be connected by bolt and nut between described steel plate and another block plate.
Described steel plate is connected with last link rod by bolt and nut.
Described link rod down is connected with the electrolyzer buttress by bolt and nut.
Described forked type joint is connected by bolt and nut with following link rod.
Arch structure on the described anti-bottom land is provided with insulation system at the link position place of bolt and nut.
Described insulation system is an insulating washer.
Described insulation system is an insulating coating.
Described steel plate and another block plate are for being welded to connect; Between steel plate and the last link rod for being welded to connect; Between following link rod and the electrolyzer buttress for being welded to connect; Between forked type joint and the following link rod for being welded to connect.
Advantage of the present utility model and effect are: adopt the utility model, successfully solved the arch distortion of bottom land in the roasting and starting aluminum electrolytic cell process, both prevented the fissured generation of negative electrode, made things convenient for production operation again.The utility model is simple in structure, and operating aspect is easy to realize that effect is obvious, has market outlook.
Description of drawings
Fig. 1 is the mounting structure synoptic diagram of the utility model embodiment one,
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the partial enlarged drawing at I place among Fig. 1.
Fig. 4 is the partial enlarged drawing at II place among Fig. 2.
Fig. 5 is the mounting structure synoptic diagram of the utility model embodiment two.
Fig. 6 is the A-A sectional view of Fig. 5.
Fig. 7 is the mounting structure synoptic diagram of the utility model embodiment three.
Fig. 8 is the A-A sectional view of Fig. 7.
Among the figure, 1, bassinet stand; 2, steel plate; 3, steel plate; 4, go up link rod; 5, bolt and nut; 6, bolt and nut; 7, forked type joint; 8, bolt and nut; 9, following link rod; 10, bolt and nut; 11, bolt; 12, nut; 13, electrolyzer buttress; 14, connection mechanism.
Embodiment:
Below in conjunction with accompanying drawing the utility model is elaborated.
Embodiment one: as shown in Figure 1, Figure 2, Figure 3 and Figure 4, arch structure on a kind of anti-bottom land that prevents aluminium cell, it adopts connection mechanism 14 that the bassinet stand 1 of electrolyzer is coupled together with electrolyzer buttress 13, the enforceable arch distortion that prevents bassinet stand 1.This connection mechanism 14 is mainly contained: go up link rod 4, following link rod 9, forked type joint 7, steel plate 2, steel plate 3, bolt and nut 5, bolt and nut 6, bolt and nut 8, bolt and nut 10, bolt 11 and nut 12.
Embodiment: welding steel 2 on the bassinet stand 1 of electrolyzer, on steel plate 2, open three bolts hole, be connected with another block plate 3 by bolt and nut 5, steel plate 3 is connected with last link rod 4 by bolt and nut 6, last link rod 4 is connected by forked type joint 7 with following link rod 9, adopt the benefit of forked type joint 7 to be, last link rod 4 and following link rod 9 not only can rotate front and back, and can left-right rotation, facilitate being connected between bassinet stand 1 and the electrolyzer buttress 13 like this, can not produce rigid constraint, forked type joint 7 is connected by bolt and nut 8 with following link rod 9.Following link rod 9 is connected with electrolyzer buttress 13 by bolt and nut 10, and as shown in Figure 4, bolt and nut 10 is made of bolt 11 and nut 12.Adopt bolted benefit to be, convenient construction, simple to operate.
In the present embodiment, the bolt junction all is provided with insulation system, with the bassinet stand 1 and 13 insulation of electrolyzer buttress of electrolyzer.Insulation system can adopt insulating washer or insulating coating etc. can realize the insulating any structure.
Present embodiment has adopted this connection mechanism 14 of eight places on the bassinet stand 1 of cell bottom, mainly concentrate on the middle part of electrolyzer.
By connection mechanism's 14 mandatory vertical degree of freedom that limited cell bottom, prevented that the arch of cell bottom is out of shape, the arch when particularly calcination starts.
Above-mentioned connection mechanism 14 and the bassinet stand 1 of electrolyzer and the mode of connection of buttress 13 are not limited only to the bolt described in the utility model patent and connect, and can also adopt welding to wait other mode of connection.
Also be provided with insulcrete 15 between above-mentioned following link rod 9 and the buttress 13, be provided with insulation thimble 16 between buttress 13 and the bolt 11.
Embodiment two: as Fig. 5, Fig. 6, Fig. 3 and shown in Figure 4, the connection mechanism 14 that adopts is identical with embodiment one, the embodiment of connection mechanism 14 also is identical, difference is: this embodiment has adopted this connection mechanism 14 of two places on the bassinet stand 1 of cell bottom, is distributed near the bassinet stand 1 of electrolyzer symmetrical center line.Steel plate 2 can also be for being welded to connect with another block plate 3; Between steel plate 3 and the last link rod 4 for being welded to connect; Between following link rod 9 and the electrolyzer buttress 13 for being welded to connect; Between forked type joint 7 and the following link rod 9 for being welded to connect.
In the present embodiment, the bolt junction all is provided with insulation system, with the bassinet stand 1 and 13 insulation of electrolyzer buttress of electrolyzer.Insulation system can adopt insulating washer or insulating coating etc. can realize the insulating any structure.
Embodiment three: as Fig. 7, Fig. 8, Fig. 3 and shown in Figure 4, the connection mechanism 14 that adopts is identical with embodiment one, the embodiment of connection mechanism 14 also is identical, difference is: this embodiment has adopted this connection mechanism 14 everywhere on the bassinet stand 1 of cell bottom, mainly is distributed in the middle part of electrolyzer.
In the present embodiment, the bolt junction all is provided with insulation system, with the bassinet stand 1 and 13 insulation of electrolyzer buttress of electrolyzer.Insulation system can adopt insulating washer or insulating coating etc. can realize the insulating any structure.
For the ease of installing, guarantee that simultaneously connection mechanism 14 everywhere is stressed even, having one in last connecting rod 4 and the following link rod 9 at least for example can increase by one section to be threaded for adjustable, but realizes the fastening adjustment of connecting rod.
Above-mentioned three embodiment; the connection mechanism that adopts is identical; different is the quantity of the connection mechanism of employing; above-mentioned three embodiment have only illustrated three kinds of different measures; but the scope of this patent protection is not limited only to above-mentioned three embodiment, and the quantity of connection mechanism and position can be selected arbitrarily as required.
Claims (14)
1, arch structure on the anti-bottom land of a kind of aluminium cell is characterized in that: at trench bottom connection mechanism (14) is set, connection mechanism's (14) one ends are connected with bassinet stand (1) on the aluminium cell bottom surface, and an end is fixed on the buttress (13) of electrolyzer.
2, arch structure on the anti-bottom land of aluminium cell according to claim 1 is characterized in that described connection mechanism (14) is 1-4, is distributed near the bassinet stand (1) of electrolyzer symmetrical center line.
3, arch structure on the anti-bottom land of aluminium cell according to claim 1 is characterized in that described connection mechanism (14) is 1-20, is arranged on the middle part of electrolyzer.
4, according to arch structure on claim 1, the anti-bottom land of 2 or 3 described aluminium cells, it is characterized in that described connection mechanism (14) structure is as follows: the steel plate (2) that is connected with bassinet stand (1), another block plate (3) that is connected with steel plate (2), steel plate (3) is connected with last link rod (4), last link rod (4) is connected by forked type joint (7) with following link rod (9), last link rod (4) and following link rod (9) can all around rotate, and following link rod (9) is connected with electrolyzer buttress (13).
5, arch structure on the anti-bottom land of aluminium cell according to claim 4 is characterized in that also being provided with insulcrete (15) between described link rod (9) down and the buttress (13), is provided with insulation thimble (16) between buttress (13) and the bolt (11).
6, arch structure on the anti-bottom land of aluminium cell according to claim 4 is characterized in that being connected by bolt and nut (5) between described steel plate (2) and another block plate (3).
7, arch structure on the anti-bottom land of aluminium cell according to claim 4 is characterized in that described steel plate (3) is connected with last link rod (4) by bolt and nut (6).
8, arch structure on the anti-bottom land of aluminium cell according to claim 4 is characterized in that described link rod (9) down is connected with electrolyzer buttress (13) by bolt and nut (10).
9, arch structure on the anti-bottom land of aluminium cell according to claim 4 is characterized in that described forked type joint (7) is connected by bolt and nut (8) with following link rod (9).
10,, it is characterized in that described bolt link position place is provided with insulation system according to arch structure on the anti-bottom land of claim 5,6,7,8 or 9 described aluminium cells.
11, arch structure on the anti-bottom land of aluminium cell according to claim 10 is characterized in that described insulation system is an insulating washer.
12, arch structure on the anti-bottom land of aluminium cell according to claim 10 is characterized in that described insulation system is an insulating coating.
13, arch structure on the anti-bottom land of aluminium cell according to claim 4 is characterized in that described steel plate (2) and another block plate (3) are for being welded to connect; Between steel plate (3) and the last link rod (4) for being welded to connect; Between following link rod (9) and the electrolyzer buttress (13) for being welded to connect; Between forked type joint (7) and the following link rod (9) for being welded to connect.
14, arch structure on the anti-bottom land of aluminium cell according to claim 4 is characterized in that having at least in connecting rod (4) and the following link rod (9) one to increase by one section to be threaded for adjustable, but realizes the fastening adjustment of connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200162904U CN201158717Y (en) | 2007-11-29 | 2007-11-29 | Tank bottom upwarp-proof structure of aluminum cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200162904U CN201158717Y (en) | 2007-11-29 | 2007-11-29 | Tank bottom upwarp-proof structure of aluminum cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201158717Y true CN201158717Y (en) | 2008-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200162904U Expired - Lifetime CN201158717Y (en) | 2007-11-29 | 2007-11-29 | Tank bottom upwarp-proof structure of aluminum cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201158717Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009070959A1 (en) * | 2007-11-20 | 2009-06-11 | China Aluminium International Engineering Corporation Limited | A method for preventing the bottom of an electrolytic cell from up-wrapping and a structure used for the same |
| CN102199782A (en) * | 2010-01-11 | 2011-09-28 | 贵阳铝镁设计研究院有限公司 | Prestressed bassinet stand of electrolysis bath |
| CN102465315A (en) * | 2010-11-05 | 2012-05-23 | 贵阳铝镁设计研究院有限公司 | Electrolytic tank structure for preventing upwarp of tank shell during the start-up period of electrolytic tank |
| CN103132102A (en) * | 2011-11-25 | 2013-06-05 | 贵阳铝镁设计研究院有限公司 | Arching deformation-resistant removable middle support apparatus for aluminum electrolysis tank housing |
-
2007
- 2007-11-29 CN CNU2007200162904U patent/CN201158717Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009070959A1 (en) * | 2007-11-20 | 2009-06-11 | China Aluminium International Engineering Corporation Limited | A method for preventing the bottom of an electrolytic cell from up-wrapping and a structure used for the same |
| CN101440501B (en) * | 2007-11-20 | 2011-08-31 | 沈阳铝镁设计研究院有限公司 | Method for preventing bottom of aluminum cell from upwarping and structure thereof |
| CN102199782A (en) * | 2010-01-11 | 2011-09-28 | 贵阳铝镁设计研究院有限公司 | Prestressed bassinet stand of electrolysis bath |
| CN102199782B (en) * | 2010-01-11 | 2014-05-28 | 贵阳铝镁设计研究院有限公司 | Prestressed bassinet stand of electrolysis bath |
| CN102465315A (en) * | 2010-11-05 | 2012-05-23 | 贵阳铝镁设计研究院有限公司 | Electrolytic tank structure for preventing upwarp of tank shell during the start-up period of electrolytic tank |
| CN102465315B (en) * | 2010-11-05 | 2014-09-17 | 贵阳铝镁设计研究院有限公司 | Electrolytic tank structure for preventing upwarp of tank shell during the start-up period of electrolytic tank |
| CN103132102A (en) * | 2011-11-25 | 2013-06-05 | 贵阳铝镁设计研究院有限公司 | Arching deformation-resistant removable middle support apparatus for aluminum electrolysis tank housing |
| CN103132102B (en) * | 2011-11-25 | 2016-05-11 | 贵阳铝镁设计研究院有限公司 | The detachable intermediate support device of capable of preventing arch deformation for aluminum cell casing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20081203 Effective date of abandoning: 20071129 |