CN103205776A - Horizontal current-feed aluminum electrolysis cell - Google Patents
Horizontal current-feed aluminum electrolysis cell Download PDFInfo
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- CN103205776A CN103205776A CN2013101520121A CN201310152012A CN103205776A CN 103205776 A CN103205776 A CN 103205776A CN 2013101520121 A CN2013101520121 A CN 2013101520121A CN 201310152012 A CN201310152012 A CN 201310152012A CN 103205776 A CN103205776 A CN 103205776A
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Abstract
The invention relates to an aluminum electrolysis cell. The horizontal current-feed aluminum electrolysis cell comprises a molten bath device and an electrode device, wherein the molten bath device comprises a bath shell and a tank arranged at the inner side of the bath shell; the electrode device comprises at least one row of electrodes including a plurality of electrode units; the electrode units are horizontally distributed in the transverse direction and are hung in the bath shell through conductive rods; a liquid electrolyte layer is arranged between the two adjacent electrode units; the two electrode units at two ends of the electrode device are respectively connected with an anode bus and a cathode bus; and one or more rows of the aluminum electrolysis cells can be arranged. The horizontal current-feed aluminum electrolysis cell disclosed by the invention is simple in power supply way and bus structure, adjustable in the distance between the electrode units, good in integral sealing performance, long in service life and high in efficiency of separating out aluminum.
Description
Technical field
The present invention relates to a kind of aluminium cell, particularly a kind of level is advanced the aluminium cell of electricity.
Background technology
At present, the aluminium cell of suitability for industrialized production adopts the mode of vertically advancing electricity always, and direct current vertically enters dielectric substrate, aluminium liquid layer and the negative electrode of electrolyzer from the anode of horizontal arrangement.There is insoluble technical problem in this electrolyzer, and the one, be subjected to the influence of electromagnetic field big, current efficiency is the highest can only to be reached about 95%; The 2nd, it is big vertically to go out the electrolyser annode area, and yield per unit is low; The 3rd, will flow through hundreds thousand of amperes powerful electric current of electrolyzer molten bath bottom, the bottom carbon cathode occurs expanding under the electrochemical reaction effect, and work-ing life is low; The 4th, be the needs of vertical conduction, bottom, electrolyzer molten bath need have the hole for connection conductors, and this hole is the weak link of electrolyzer liquid infiltration.
Someone studies and proposes a kind of bipolarity electrolyzer of electrolysis of aluminum oxide, electrode is vertically placed, horizontally, electrode is made up of three parts, anode surface is ceramic oxide, and cathode plane is carbon piece or the graphite of sintering, for protection against corrosion adds some borides etc., be the middle layer between the anode and cathode material, to prevent that the direct contact of cathode and anode from reacting and the reduction of ceramic oxide.The electrode mounting means has two kinds, a kind of electrode three parts is put into the framework that flange is arranged at a top, to hang; A kind of without framework, but make electrode be embedded in tank lining by solidifying ionogen.The shortcoming of this electrolyzer is: electrode is vertically placed, and bubble can come in uphill process in disperse, so pole span can not be too low, even need be also higher than traditional electrolyzer, just can prevent the loss of electrode corrosion and aluminium.For preventing electric leakage, every chamber is not communicated with, and to go out aluminium separately be worthless, can increase process cost greatly like this, and making electrode insulation and fix by electrolyte coagulation needs also to safeguard thermal equilibrium meticulously that also difficulty is kept normal running.This electrolytic tank electrode can not be changed, and can only adopt lazy electrode, and kind electrode cost height does not also have ripe product at present, when a cube electrode goes wrong, just must stop production and could change in addition.
Summary of the invention
The objective of the invention is the problem at above-mentioned existence, a kind of aluminium precipitation efficiency height is provided, novel structure, busbar arrangement is simple, and the level of stable performance is advanced the aluminium cell of electricity.
For achieving the above object, the technical scheme of taking is:
A kind of level is advanced the aluminium cell of electricity, comprise molten bath device and electrode device, described molten bath device comprises pot shell and is installed in the lining body of pot shell inboard, described electrode device comprises the electrode of being made up of a plurality of electrode units, described electrode unit is transverse horizontal and arranges and be suspended in the pot shell by conducting rod, between adjacent two electrode units liquid layer of electrolyte is arranged, two electrode units at electrode device both ends are connected with negative busbar with positive bar respectively.
Described electrode unit comprises conducting rod and the electrode block that links together with conducting rod, described conducting rod comprises the current conducting rod of being made up of the rod iron of the aluminium bar of the first half and Lower Half and the conduction pawl of being made up of blade tooth and pawl beam, current conducting rod upper end is provided with for the fixing through hole of bus, in the blade tooth intercalation electrode piece of conduction pawl, the pawl beam of conduction pawl is fixedlyed connected with current conducting rod, described electrode block is rectangular parallelepiped, the electrode block upside is provided with the boss of band blind hole, electrode block adopts carbon materials to make, the two sides, the left and right sides of electrode block is conducting surface, two sides and the coated on bottom side of electrode block are covered with temperature-resistant insulation layer, the conducting surface of described electrode block becomes angle with vertical direction be 3 °～45 °, and electrode block is inclined when guaranteeing that electrode unit is suspended in the electrolyzer.
Described pot shell comprise upper opening housing, be welded on hull outside by strengthening shell and the base that gusset and stiffening plate constitute, be provided with groove along plate around the housing upper opening, described lining body comprises bottom liner and lateral lining, lateral lining comprises thermal insulation layer and flame retardant coating, the bottom liner comprises thermal insulation layer, flame retardant coating, preservative coat and impervious layer, be lined with storage aluminium groove or storage aluminium pit in the described bottom, storage aluminium groove at least one, described storage aluminium pit are that height middle part, both sides is low.
Described electrode device also includes electrode travel mechanism, electrode travel mechanism comprises the bracing frame that is fixed on the electrolyzer, be fixed on guide rail on the bracing frame, have electrode fixed link and actuating unit with the groove of guide rail, end at guide rail fixedly has a fixed link, between fixed link and the adjacent electrode fixed link, be equipped with actuating unit between the adjacent two electrode fixed links, electrode fixed link middle part is provided with the electrode stationary fixture, and electrode unit is suspended in the electrolyzer by the electrode stationary fixture.
Described actuating unit is one of following form: 1. described actuating unit is electric pushrod; 2. described actuating unit is pneumatic shuttle, comprises air pump and pneumatic cylinder; 3. described actuating unit is hydraulic efficiency plant, comprises hydro-cylinder and oil pump; 4. described actuating unit is leading screw, can regulate distance between the electrode unit by leading screw.
Described pot shell top is provided with the top seal structure, the top seal structure comprises the end sealing plate, side seal plate and fire-resistance cloth, described side seal plate is provided with hanger and handle, be provided with handle on the sealing plate of end, end sealing plate and side seal plate are located at two ends and the both sides of electrode respectively, the side seal plate is suspended on the bracing frame of electrolyzer by hanger, fire-resistance cloth is located at the conducting rod of electrode unit and the gap between the sealing plate, also be provided with the pore that material adds the hole and is used for collection and treatment gas on the side seal plate, material adds the hole and is communicated with blanking device on being fixed on bracing frame, and pore is for connection collection and confinement of gases treatment unit.
Be provided with bus connection structure between described positive bar, negative busbar and the electrode, bus connection structure comprises positive bar, negative busbar and is located at respectively that anode on positive bar and the negative busbar is flexible coupling and negative electrode is flexible coupling that described anode is flexible coupling and negative electrode is flexible coupling at least respectively one.
Be provided with bus connection structure between described positive bar and negative busbar and the electrode, bus connection structure comprises the positive bar and the negative busbar that are arranged on the electrolyzer two ends, be arranged on the common bus of electrolyzer top and be located at public on the common bus is flexible coupling, described public be flexible coupling be at least two.
Take technique scheme, obtained beneficial effect is:
1., the aluminum cell structure good airproof performance, long service life is separated out aluminium efficient height, the capacity usage ratio height.Level of the present invention is advanced the aluminium cell of electricity, and top, molten bath is provided with blanking device, sealing plate and fire-resistance cloth, also is communicated with the collection and confinement of gases treatment unit, pollutes for a short time, and the integral heat insulation performance is good; The employing level passes in and out electric mode, reduces the corrosion to electrolyzer; Each electrode unit all can be separated out aluminium, the production efficiency height; The bottom, molten bath is provided with storage aluminium groove, and does not have electric current that aluminium lamination is produced influence of fluctuations, the convenient aluminium liquid of collecting.
2., power supply mode is simple, the electrode unit spacing is adjustable, electromagnetic hazard is little.Partly employing level of electrode turnover electricity, with the voltage form power supply, electric current does not need excessive, and the harm in the magnetic field that produces is reduced to minimum as much as possible; Distance between the electrode unit can be regulated after reaction for some time, can guarantee stable power supplying efficiency and production efficiency.
3., bus structure is simple, adjustability is strong, it is convenient to change electrode unit.The electrode part only needs the electrode unit at both ends is connected with bus, and the remaining electrode unit directly immerses in the ionogen, has saved connection bus, has reduced the bus pressure drop simultaneously; Also be provided with bus connection structure, short circuit partial electrode unit fast guarantees not influence under the situation that other electrode units power supplies produce, and carries out replacing and the maintenance of electrode unit.
Description of drawings
Fig. 1 is one of structural representation of the present invention.
Fig. 2 is the left TV structure synoptic diagram of Fig. 1.
Fig. 3 is the plan structure synoptic diagram of Fig. 1.
Fig. 4 is electrode structure synoptic diagram of the present invention.
Fig. 5 is the plan structure synoptic diagram of Fig. 4.
Fig. 6 is the structural representation of electrode unit.
Fig. 7 is the right TV structure synoptic diagram of Fig. 6.
Fig. 8 is superstructure synoptic diagram of the present invention.
Fig. 9 is the structural representation of end sealing cover.
Figure 10 is the plan structure synoptic diagram of Fig. 9.
Figure 11 is the structural representation of side seal lid.
Figure 12 is the plan structure synoptic diagram of Figure 11.
Figure 13 is the structural representation of fire-resistance cloth.
Figure 14 is one of bus structure synoptic diagram of the present invention.
Figure 15 is two of bus structure synoptic diagram of the present invention.
Figure 16 is two of structural representation of the present invention.
Embodiment
Referring to Fig. 1～Figure 16,1 is housing among the figure, 2 is current conducting rod, 3 is the electrode fixed link, 4 is the electrode stationary fixture, 5 is positive bar, 6 is negative busbar, 7 is bracing frame, 8 is that groove is along plate, 9 is the end sealing plate, 10 is the side seal plate, 11 is handle, 12 is hanger, 13 is pore, 14 is guide rail, 15 is blanking device, 16 for strengthening gusset, 17 is lateral lining, 18 is liquid electrolyte, 19 are material interpolation hole, 20 is electrode block, 21 is electric pushrod, 22 is base, 23 is fire-resistance cloth, 24 are storage aluminium groove, 25 is fixed link, 26 are the conduction pawl, 27 is the bus fixed orifices, 28 is temperature-resistant insulation layer, 29 is conducting surface, 30 is boss, 31 are flexible coupling for anode, 32 are flexible coupling for negative electrode, 33 is common bus, 34 is to share to be flexible coupling, 35 is the bottom liner, 36 is stiffening plate.
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated.
Embodiment one: referring to Fig. 1～Figure 13, a kind of level is advanced the aluminium cell of electricity, comprise molten bath device and electrode device, described molten bath device comprises pot shell and is installed in the lining body of pot shell inboard, described pot shell comprises the housing 1 of upper opening, be welded on housing 1 outside by strengthening shell and the base 22 that gusset 16 and stiffening plate 36 constitute, be provided with groove along plate 8 around housing 1 upper opening, described lining body comprises bottom liner 35 and lateral lining 17, lateral lining 17 comprises thermal insulation layer and flame retardant coating, bottom liner 35 comprises thermal insulation layer, fire-resistant one-tenth, preservative coat and impervious layer, described bottom liner 35 is provided with storage aluminium groove 24 or storage aluminium pit, storage aluminium groove 24 at least one, described storage aluminium pit is that height middle part, both sides is low, also is provided with the top seal structure on pot shell top.Described electrode part branch comprises electrode travel mechanism and the electrode of being made up of a plurality of electrode units, electrode unit is transverse horizontal and arranges and be suspended in the pot shell 1 by electrode travel mechanism, between adjacent two electrode units liquid layer of electrolyte 18 is arranged, two electrode units at the both ends of described electrode part are connected with negative busbar 6 with positive bar 5 respectively.
Described electrode unit comprises conducting rod and the electrode block that links together with conducting rod, described conducting rod comprises the current conducting rod of being made up of the rod iron of the aluminium bar of the first half and Lower Half 2 and the conduction pawl of being made up of blade tooth and pawl beam 26, current conducting rod 2 upper ends are provided with for the fixing bus fixed orifices 27 of bus, in the blade tooth intercalation electrode piece 20 of conduction pawl 26, the pawl beam of conduction pawl 26 is fixedlyed connected with current conducting rod 2, described electrode block 20 is rectangular parallelepiped, electrode block 20 upsides are provided with the boss 30 of band blind hole, electrode block adopts carbon materials to make, the two sides, the left and right sides of electrode block is conducting surface 29, two sides, front and back and the coated on bottom side of electrode block 20 are covered with temperature-resistant insulation layer 28, the conducting surface 29 of described electrode block 20 becomes angle β with vertical direction be 3 °～45 °, electrode block 20 is inclined when guaranteeing that electrode unit is suspended in the electrolyzer, and the gas that produces in the reaction process can not held in disperse.
Described electrode travel mechanism comprises the bracing frame 7 that is fixed on the pot shell, be fixed on the guide rail 14 on the bracing frame 7, the electrode fixed link 3 and the electric pushrod 21 that have the groove that mates with guide rail 14, end at guide rail 14 fixedly has a fixed link 25, between fixed link 25 and the adjacent electrode fixed link 3, be equipped with electric pushrod 21 between the adjacent two electrode fixed links 3 and pass through the Controlling System control action, can also use pneumatic shuttle, hydraulic efficiency plant, the position of actuating unit regulating and controlling electrode fixed links 3 such as leading screw, electrode fixed link 3 middle parts are provided with electrode stationary fixture 4, and electrode unit is suspended in the electrolyzer by electrode stationary fixture 4.
Described top seal structure comprises end sealing plate 9, side seal plate 10 and fire-resistance cloth 23, described side seal plate 10 is provided with hanger 12 and handle 11, end sealing plate 9 is provided with handle 11, end sealing plate 9 and side seal plate 10 are located at two ends and the both sides of electrode respectively, side seal plate 10 is suspended on the bracing frame 7 of electrolyzer by hanger 12, fire-resistance cloth 23 is located at the current conducting rod 2 of electrode unit and the gap between the sealing plate, also be provided with the pore 13 that material adds hole 19 and is used for collection and treatment gas on the side seal plate 10, material adds hole 19 and is communicated with blanking device 15 on being fixed on bracing frame 7, and pore 13 is for connection collection and confinement of gases treatment unit.
Embodiment two:
Referring to Fig. 1～Figure 14, the structure of embodiment two and embodiment one are basic identical, something in common no longer repeats, difference is, be provided with bus connection structure between described positive bar 5, negative busbar 6 and the electrode, bus connection structure comprise positive bar 5, negative busbar 6 and be located at positive bar 5 respectively and negative busbar 6 on anode be flexible coupling 31 and negative electrode be flexible coupling 32, described anode be flexible coupling 31 and negative electrode be flexible coupling and 32 at least respectively have one.
Its principle of work is: when one of them electrode unit breaks down or need to change, anode is flexible coupling to be connected needs the electrode unit of maintenance to face on next electrode unit, or negative electrode is flexible coupling is connected to the facing on the last electrode unit of the electrode unit that needs maintenance.Dismantle then positive bar or negative busbar keep in repair the electrode unit of need maintenance, after maintenance is finished positive bar or negative busbar are reconnected on the primary electrode unit, disconnect that anode is flexible coupling or negative electrode is flexible coupling again.
Embodiment three:
Referring to Fig. 1～Figure 13, Figure 15, the structure of embodiment three and embodiment one are basic identical, something in common no longer repeats, its difference is, be provided with bus connection structure between described positive bar 5 and negative busbar 6 and the electrode, bus connection structure comprises the positive bar 5 and the negative busbar 6 that are arranged on the electrolyzer two ends, be arranged on the common bus 33 of electrolyzer top and be located at public on the common bus is flexible coupling 34, described public be flexible coupling 34 be at least two.
Its principle of work is: when one of them electrode unit breaks down or need to change, with two on the common bus public be flexible coupling be connected to facing a last electrode unit and facing on next electrode unit of the electrode unit that needs maintenance, the electrode unit of need maintenance is carried out short circuit, keep in repair afterwards, after maintenance is finished, disconnect two again and be flexible coupling.
Embodiment four:
Referring to Fig. 1～Figure 13, Figure 16, the structure of embodiment four and embodiment one are basic identical, something in common no longer repeats, its difference is, described electrode device comprises that at least one row arranges the electrode that forms by the electrode unit transverse horizontal and forms, and the electrode unit at the both ends of each electrode is connected with negative busbar with positive bar respectively.
Claims (8)
1. a level is advanced electric aluminium cell, comprise molten bath device and electrode device, it is characterized in that, described molten bath device comprises pot shell and is installed in the lining body of pot shell inboard, described electrode device comprises the electrode that at least one row is made up of a plurality of electrode units, described electrode unit is transverse horizontal and arranges and be suspended in the pot shell by conducting rod, between adjacent two electrode units liquid layer of electrolyte is arranged, two electrode units at electrode device both ends are connected with negative busbar with positive bar respectively.
2. level according to claim 1 is advanced the aluminium cell of electricity, it is characterized in that, described electrode unit comprises conducting rod and the electrode block that links together with conducting rod, described conducting rod comprises the current conducting rod of being made up of the rod iron of the aluminium bar of the first half and Lower Half and the conduction pawl of being made up of blade tooth and pawl beam, current conducting rod upper end is provided with for the fixing through hole of bus, in the blade tooth intercalation electrode piece of conduction pawl, the pawl beam of conduction pawl is fixedlyed connected with current conducting rod, described electrode block is rectangular parallelepiped, the electrode block upside is provided with the boss of band blind hole, electrode block adopts carbon materials to make, the two sides, the left and right sides of electrode block is conducting surface, two sides and the coated on bottom side of electrode block are covered with temperature-resistant insulation layer, the conducting surface of described electrode block becomes angle with vertical direction be 3 °～45 °, and electrode block is inclined when guaranteeing that electrode unit is suspended in the electrolyzer.
3. level according to claim 1 is advanced the aluminium cell of electricity, it is characterized in that, described pot shell comprises the housing of upper opening, be welded on hull outside by strengthening shell and the base that gusset and stiffening plate constitute, be provided with groove along plate around the housing upper opening, described lining body comprises bottom liner and lateral lining, lateral lining comprises thermal insulation layer and flame retardant coating, the bottom liner comprises thermal insulation layer, flame retardant coating, preservative coat and impervious layer, be lined with storage aluminium groove or storage aluminium pit in the described bottom, storage aluminium groove at least one, described storage aluminium pit are that height middle part, both sides is low.
4. level according to claim 1 is advanced the aluminium cell of electricity, it is characterized in that, described electrode device also includes electrode travel mechanism, electrode travel mechanism comprises the bracing frame that is fixed on the electrolyzer, be fixed on the guide rail on the bracing frame, have electrode fixed link and actuating unit with the groove of guide rail, end at guide rail fixedly has a fixed link, between fixed link and the adjacent electrode fixed link, be equipped with actuating unit between the adjacent two electrode fixed links, electrode fixed link middle part is provided with the electrode stationary fixture, and electrode unit is suspended in the electrolyzer by the electrode stationary fixture.
5. level according to claim 4 is advanced the aluminium cell of electricity, and it is characterized in that described actuating unit is one of following form: 1. described actuating unit is electric pushrod; 2. described actuating unit is pneumatic shuttle, comprises air pump and pneumatic cylinder; 3. described actuating unit is hydraulic efficiency plant, comprises hydro-cylinder and oil pump; 4. described actuating unit is leading screw, can regulate distance between the electrode unit by leading screw.
6. level according to claim 1 is advanced the aluminium cell of electricity, it is characterized in that, described pot shell top is provided with the top seal structure, the top seal structure comprises the end sealing plate, side seal plate and fire-resistance cloth, described side seal plate is provided with hanger and handle, be provided with handle on the sealing plate of end, end sealing plate and side seal plate are located at two ends and the both sides of electrode respectively, the side seal plate is suspended on the bracing frame of electrolyzer by hanger, fire-resistance cloth is located at the conducting rod of electrode unit and the gap between the sealing plate, also be provided with the pore that material adds the hole and is used for collection and treatment gas on the side seal plate, material adds the hole and is communicated with blanking device on being fixed on bracing frame, and pore is for connection collection and confinement of gases treatment unit.
7. level according to claim 1 is advanced the aluminium cell of electricity, it is characterized in that, be provided with bus connection structure between described positive bar, negative busbar and the electrode, bus connection structure comprises positive bar, negative busbar and is located at respectively that anode on positive bar and the negative busbar is flexible coupling and negative electrode is flexible coupling that described anode is flexible coupling and negative electrode is flexible coupling at least respectively one.
8. level according to claim 1 is advanced the aluminium cell of electricity, it is characterized in that, be provided with bus connection structure between described positive bar and negative busbar and the electrode, bus connection structure comprises the positive bar and the negative busbar that are arranged on the electrolyzer two ends, be arranged on the common bus of electrolyzer top and be located at public on the common bus is flexible coupling, described public be flexible coupling be at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310152012.1A CN103205776B (en) | 2013-04-27 | 2013-04-27 | Horizontal current-feed aluminum electrolysis cell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310152012.1A CN103205776B (en) | 2013-04-27 | 2013-04-27 | Horizontal current-feed aluminum electrolysis cell |
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| CN103205776A true CN103205776A (en) | 2013-07-17 |
| CN103205776B CN103205776B (en) | 2015-04-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107099821A (en) * | 2017-06-23 | 2017-08-29 | 重庆科技学院 | A kind of prebaked cell for aluminum-reduction top full-sealing device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101307466A (en) * | 2008-02-18 | 2008-11-19 | 河南中孚实业股份有限公司 | Horizontal current aluminium cell |
| CN201158718Y (en) * | 2007-11-30 | 2008-12-03 | 河南中孚实业股份有限公司 | Horizontal electrolytic aluminium electrolytic tank |
| CN101665955A (en) * | 2009-09-09 | 2010-03-10 | 河南中孚实业股份有限公司 | Cathode lining structure of aluminium cell vertically discharging and constructing method thereof |
| CN203270054U (en) * | 2013-04-27 | 2013-11-06 | 郑州轻冶科技有限公司 | Horizontal power inlet aluminium cell |
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2013
- 2013-04-27 CN CN201310152012.1A patent/CN103205776B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201158718Y (en) * | 2007-11-30 | 2008-12-03 | 河南中孚实业股份有限公司 | Horizontal electrolytic aluminium electrolytic tank |
| CN101307466A (en) * | 2008-02-18 | 2008-11-19 | 河南中孚实业股份有限公司 | Horizontal current aluminium cell |
| CN101665955A (en) * | 2009-09-09 | 2010-03-10 | 河南中孚实业股份有限公司 | Cathode lining structure of aluminium cell vertically discharging and constructing method thereof |
| CN203270054U (en) * | 2013-04-27 | 2013-11-06 | 郑州轻冶科技有限公司 | Horizontal power inlet aluminium cell |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107099821A (en) * | 2017-06-23 | 2017-08-29 | 重庆科技学院 | A kind of prebaked cell for aluminum-reduction top full-sealing device |
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Address after: 450000 Henan Province, Zhengzhou high tech District, long road, No. Y03, building 1, unit 1, building 11 Patentee after: Zhengzhou light metallurgy Polytron Technologies Inc Address before: 450002, Fortune Plaza 32, three road, Jinshui District, Henan, Zhengzhou, 1304 Patentee before: Zhengzhou Qingye Technology Co., Ltd. |
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