CN102191516A - Prebaked anode for aluminum electrolysis, and preparation method and production device thereof - Google Patents
Prebaked anode for aluminum electrolysis, and preparation method and production device thereof Download PDFInfo
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- CN102191516A CN102191516A CN 201110106964 CN201110106964A CN102191516A CN 102191516 A CN102191516 A CN 102191516A CN 201110106964 CN201110106964 CN 201110106964 CN 201110106964 A CN201110106964 A CN 201110106964A CN 102191516 A CN102191516 A CN 102191516A
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Abstract
The invention relates to a prebaked anode for aluminum electrolysis, and a preparation method and production device thereof. The bottom of the anode matrix is provided with a gas diversion trench, the anode matrix is provided with a longitudinal hole which penetrates through the anode matrix, and the lateral side of the anode matrix is provided with a transverse hole which is communicated with the longitudinal hole. The preparation method of the anode comprises the following steps: fixing a die, casting the material, carrying out vibratory compaction, stripping, cooling, baking, and making the transverse hole to obtain the anode. The production device comprises a vibrator platform, a vibrator and a forming die box, wherein the forming die box is fixed on the vibrator platform. The production device is characterized by also comprising a trench making template and a vibrator die head, wherein the trench making template is fixed on the vibrator platform and positioned inside the forming die box, and the vibrator die head is fixed on the vibrator. The anode provided by the invention has the advantages of high electrolytic efficiency and simple and reasonable production procedure, and is beneficial to enhancing the production efficiency.
Description
Technical field
The present invention relates to a kind of used for aluminium electrolysis prebaked anode and preparation method thereof with and production equipment.
Background technology
Aluminium production technology level improve constantly with development in, the scale of Aluminum Electrolysis Production constantly enlarges, this specification and structural requirement to aluminium electrolysis prebaked anode is more strict.Therefore, adopt aluminium electrolysis prebaked anode rational in infrastructure, excellent performance, both can utilize raw material rationally and effectively, again can save energy and reduce the action cost, directly improve the economic benefit of Aluminium Electrolysis.
A corner crack difficult problem often appears in flat anode commonly used in the present aluminium industrial production technology, and flat anode ubiquity noise voltage height, anode bottom air film resistance height, problem that efficient is lower.For the monolithic anode on the electrolyzer, the anodic noise is directly reflected into the current density size of himself passing through, and its change frequency or cycle are the frequency or the cycle of bubble pressure drop, and the amplitude of variation is the amplitude of noise voltage.Anodic gas is the process that bubble is progressively grown up Zi producing the back to the process of discharging, because anodic gas is non-conductive, bubble is in the rising that will cause bath voltage of gathering of anode bottom.
Summary of the invention
According to above deficiency of the prior art, the technical problem to be solved in the present invention is: a kind of electrolytic efficiency height, noise voltage is low, anode bottom air film resistance is low used for aluminium electrolysis prebaked anode are provided, and a kind of production method of this used for aluminium electrolysis prebaked anode are provided and produce the device of this used for aluminium electrolysis prebaked anode.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of used for aluminium electrolysis prebaked anode comprises anode substrate, it is characterized in that: the anode substrate bottom has the gas flow guiding groove, has vertical hole on the anode substrate, and vertically the hole penetrates anode substrate, and the anode substrate side has transverse holes and is connected with vertical hole.
Described gas flow guiding groove is semi-enclosed structure, and it is open that the one end seals an end.
This anodic method of a kind of preparation is characterized in that, may further comprise the steps:
(1) fixed mould: the template of will slotting and moulding moulding box are separately fixed at bobbing machine and shake on the platform, and the fluting template is positioned at moulding moulding box inside, and the bobbing machine die head is fixed on the bobbing machine;
(2) material feeding: the moulding thickener is banded distributes, spread equably, vertically and moulding moulding box inside;
(3) vibratory compaction: bobbing machine drive vibration die head falls with the moulding moulding box combines closely, the machine die head that shakes is corresponding with vertical hole site on the anode substrate, the fluting template is corresponding with gas flow guiding groove position on the anode substrate, bobbing machine running drives moulding moulding box, fluting template and the bobbing machine platform that shakes and vibrates 55～70s together, obtain after vibration is finished with the air-flow guide path and vertically the anode in hole give birth to piece;
(4) demoulding: after vibration is finished bobbing machine is mentioned, mention the moulding moulding box then, anode is given birth to piece and is shifted onto on the living piece pallet;
(5) cool off: the alkaline water coolant of the living piece of anode being put into 25 ℃～35 ℃ cooled off 3～4 hours;
(6) roasting: the living piece of cooled anode carries out roasting and obtains ripe of anode;
(7) hole of taking the least important seat at a square table: the both sides on ripe of anode drill through transverse holes, and transverse holes is connected with vertical hole.
The described maturing temperature of step in this method (6) is 1190 ℃, and roasting time is 56 hours.
Production equipment involving vibrations machine in this method shake platform, bobbing machine and moulding moulding box, the moulding moulding box is fixed on bobbing machine and shakes on the platform, it is characterized in that: also comprise fluting template and bobbing machine die head, the fluting template is fixed on bobbing machine and shakes and be positioned at shaping mould case inside on the platform, and the bobbing machine die head is fixed on the bobbing machine.
Described bobbing machine die head comprises web plate and drilling rod, and the drilling rod is fixed on the web plate, and web plate and bobbing machine fix.
This anodic production equipment of a kind of preparation, involving vibrations machine shake platform, bobbing machine and moulding moulding box, the moulding moulding box is fixed on bobbing machine and shakes on the platform, it is characterized in that: also comprise fluting template and bobbing machine die head, the fluting template is fixed on bobbing machine and shakes and be positioned at shaping mould case inside on the platform, and the bobbing machine die head is fixed on the bobbing machine.
Described bobbing machine die head comprises web plate and drilling rod, and the drilling rod is fixed on the web plate, and web plate and bobbing machine fix.
The beneficial effect that the present invention had is: this anode bottom has the air-flow guide path, and is furnished with the vertical hole and the transverse holes of mutual perforation, and Aluminium Electrolysis has been produced obvious facilitation.On the one hand, can reduce the residence time and the anode bottom bubble fraction of coverage of bubble, play and reduce the anode bottom noise voltage that bubble produced, reduction anode bottom air film resistance, increase the effects such as contact area of anode and electrolytic solution in the anode bottom.On the other hand,, thermal conduction is accelerated, be impelled the new anode body of replacing to be rapidly heated, thereby reach the purpose that reduces the consumption of power consumption and charcoal piece because the contact area of fluting anode and electrolytic solution is big.Its production method and production equipment can be given birth at anode and be slotted simultaneously when piece is made and beat vertical hole, in ripe stage of anode hole of taking the least important seat at a square table, rationally simplify production stage, enhance productivity.
Description of drawings
Fig. 1 is a prebaked anode structural representation among the present invention;
Fig. 2 is a production equipment structural representation among the present invention;
Fig. 3 is the machine die head synoptic diagram that shakes among the present invention;
Among the figure: 1, anode substrate; 2, vertical hole; 3, transverse holes; 4, gas flow guiding groove; 5, the bobbing machine platform that shakes; 6, fluting template; 7, moulding moulding box; 8, web plate; 9, drilling rod;
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described further:
As Fig. 1～shown in Figure 3, a kind of used for aluminium electrolysis prebaked anode comprises anode substrate 1, and anode substrate 1 bottom has gas flow guiding groove 4, has vertical hole 2 on the anode substrate 1, vertically hole 2 penetrates anode substrate 1, and anode 1 matrix side has transverse holes 3 and is connected with vertical hole 2.It is open that gas flow guiding groove 4 preferred semi-enclosed structures, one end are sealed an end.Wherein vertically the aperture of hole 2 and transverse holes 3 is 20mm～50mm.
The used for aluminium electrolysis prebaked anode of this structure can increase exhaust and overflow aftereffect when not influencing electric current " surface action ", quicken the discharge to bottom surface aggregation bubble, thereby effectively reduce bath voltage, realizes reducing power consumption.Produce 1 ton of aluminium ingot, can reduce about 40～50 degree of power consumption; The prebaked anode of Thoughs consumes only and reduces more than 30～40kg/t-Al; Same anode weight is gone under the groove condition, can prolong about 0.5～1 day of work-ing life of anode.Open pod and be with communicating aperture can make the about 10kg of monolithic weight saving, ton aluminium carbon consumption can reduce 5.5kg.
Its production method is fluting template 6 and moulding moulding box 7 to be separately fixed at bobbing machine shake on the platform 5, and fluting template 6 is positioned at moulding moulding box 7 inside, and the bobbing machine die head is fixed on the bobbing machine; The moulding thickener is banded distributes, spread equably, vertically and moulding moulding box 7 inside (the moulding thickener is anode production thickener commonly used at present); Bobbing machine drives the vibration die head and falls and moulding moulding box tight 7 close combinations, the machine die head that shakes is corresponding with vertical 2 positions, hole on the anode substrate 1, fluting template 6 is corresponding with gas flow guiding groove 4 positions on the anode substrate 1, bobbing machine running drives moulding moulding box 7, fluting template 6 and the bobbing machine platform 5 that shakes and vibrates 55～70s together, obtain after vibration is finished with air-flow guide path 4 and vertically the anode in hole 2 give birth to piece; After vibration is finished bobbing machine is mentioned, mention moulding moulding box 7 then, anode is given birth to piece and is shifted onto on the living piece pallet; The alkaline water coolant that the living piece of anode is put into 25 ℃～35 ℃ cooled off 3～4 hours; The living piece of cooled anode carries out roasting and obtains ripe of anode; Maturing temperature is 1190 ℃, and roasting time is 56 hours.Both sides on ripe of anode drill through transverse holes 3, and transverse holes 3 is connected with vertical hole 2.
Fig. 2 and Fig. 3 constitute this anodic production equipment of preparation jointly, involving vibrations machine shake platform 5, bobbing machine and moulding moulding box 7, moulding moulding box 7 is fixed on bobbing machine and shakes on the platform 5, also comprise fluting template 6 and bobbing machine die head, fluting template 6 is fixed on bobbing machine and shakes on the platform and 5 to be positioned at moulding moulding box inside 7, and the bobbing machine die head is fixed on the bobbing machine.The bobbing machine die head comprises web plate 8 and drilling rod 9, and drilling rod 9 is fixed on the web plate 8, and web plate 8 fixes with bobbing machine.
Template of will slotting 6 and moulding moulding box 7 are separately fixed at bobbing machine and shake on the platform 5, and fluting template 6 is positioned at moulding moulding box 7 inside, and the bobbing machine die head is fixed on the bobbing machine.Bobbing machine drives the vibration die head and falls with moulding moulding box 7 and combines closely, and the bobbing machine running drives moulding moulding box 7, fluting template 6 and the bobbing machine platform 5 that shakes and vibrates 55～70s together, obtain after vibration is finished with air-flow guide path 4 and vertically the anode in hole 2 give birth to piece.Once shaped is enhanced productivity, and reduction in the numbers of seconds has good economic benefit.
Claims (6)
1. a used for aluminium electrolysis prebaked anode comprises anode substrate, it is characterized in that: the anode substrate bottom has the gas flow guiding groove, has vertical hole on the anode substrate, and vertically the hole penetrates anode substrate, and the anode substrate side has transverse holes and is connected with vertical hole.
2. used for aluminium electrolysis prebaked anode according to claim 1 is characterized in that: described gas flow guiding groove is semi-enclosed structure, and it is open that the one end seals an end.
3. one kind prepares as anodic method as described in weighing 1, it is characterized in that, may further comprise the steps:
(1) fixed mould: the template of will slotting and moulding moulding box are separately fixed at bobbing machine and shake on the platform, and the fluting template is positioned at moulding moulding box inside, and the bobbing machine die head is fixed on the bobbing machine;
(2) material feeding: the moulding thickener is banded distributes, spread equably, vertically and moulding moulding box inside;
(3) vibratory compaction: bobbing machine drive vibration die head falls with the moulding moulding box combines closely, the machine die head that shakes is corresponding with vertical hole site on the anode substrate, the fluting template is corresponding with gas flow guiding groove position on the anode substrate, bobbing machine running drives moulding moulding box, fluting template and the bobbing machine platform that shakes and vibrates 55～70s together, obtain after vibration is finished with the air-flow guide path and vertically the anode in hole give birth to piece;
(4) demoulding: after vibration is finished bobbing machine is mentioned, mention the moulding moulding box then, anode is given birth to piece and is shifted onto on the pallet;
(5) cool off: the alkaline water coolant of the living piece of anode being put into 25 ℃～35 ℃ cooled off 3～4 hours;
(6) roasting: the living piece of cooled anode carries out roasting and obtains ripe of anode;
(7) hole of taking the least important seat at a square table: the both sides on ripe of anode drill through transverse holes, and transverse holes is connected with vertical hole.
4. method according to claim 3 is characterized in that: the described maturing temperature of step (6) is 1190 ℃, and roasting time is 56 hours.
5. press power 3 described methods making anodic production equipments for one kind, involving vibrations machine shake platform, bobbing machine and moulding moulding box, the moulding moulding box is fixed on bobbing machine and shakes on the platform, it is characterized in that: also comprise fluting template and bobbing machine die head, the fluting template is fixed on bobbing machine and shakes and be positioned at shaping mould case inside on the platform, and the bobbing machine die head is fixed on the bobbing machine.
6. production equipment according to claim 5 is characterized in that: described bobbing machine die head comprises web plate and drilling rod, and the drilling rod is fixed on the web plate, and web plate and bobbing machine fix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110106964 CN102191516A (en) | 2011-04-27 | 2011-04-27 | Prebaked anode for aluminum electrolysis, and preparation method and production device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110106964 CN102191516A (en) | 2011-04-27 | 2011-04-27 | Prebaked anode for aluminum electrolysis, and preparation method and production device thereof |
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| CN102191516A true CN102191516A (en) | 2011-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110106964 Pending CN102191516A (en) | 2011-04-27 | 2011-04-27 | Prebaked anode for aluminum electrolysis, and preparation method and production device thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1887557A (en) * | 2006-05-31 | 2007-01-03 | 淄博联兴炭素科学技术研究所 | Process of forming grooves in the bottom and side of anode carbon block for aluminium electrolysis |
| CN201217699Y (en) * | 2008-05-28 | 2009-04-08 | 河南中迈铝业有限公司 | Guiding type anode for aluminum electrolysis |
| CN201778126U (en) * | 2010-09-08 | 2011-03-30 | 湖南中大业翔科技有限公司 | Honeycomb-like prebaked anode for aluminum electrolysis |
| CN202072776U (en) * | 2011-04-27 | 2011-12-14 | 山东前昊炭素有限公司 | Pre-baked anode used for aluminium electrolysis |
-
2011
- 2011-04-27 CN CN 201110106964 patent/CN102191516A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1887557A (en) * | 2006-05-31 | 2007-01-03 | 淄博联兴炭素科学技术研究所 | Process of forming grooves in the bottom and side of anode carbon block for aluminium electrolysis |
| CN201217699Y (en) * | 2008-05-28 | 2009-04-08 | 河南中迈铝业有限公司 | Guiding type anode for aluminum electrolysis |
| CN201778126U (en) * | 2010-09-08 | 2011-03-30 | 湖南中大业翔科技有限公司 | Honeycomb-like prebaked anode for aluminum electrolysis |
| CN202072776U (en) * | 2011-04-27 | 2011-12-14 | 山东前昊炭素有限公司 | Pre-baked anode used for aluminium electrolysis |
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Application publication date: 20110921 |