CN104404572A - Aluminum electrolysis cell - Google Patents
Aluminum electrolysis cell Download PDFInfo
- Publication number
- CN104404572A CN104404572A CN201410691401.6A CN201410691401A CN104404572A CN 104404572 A CN104404572 A CN 104404572A CN 201410691401 A CN201410691401 A CN 201410691401A CN 104404572 A CN104404572 A CN 104404572A
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- China
- Prior art keywords
- bight
- anode carbon
- carbon block
- chamfering
- aluminium cell
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
- C25C3/12—Anodes
- C25C3/125—Anodes based on carbon
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The invention provides an aluminum electrolysis cell. The aluminum electrolysis cell comprises four corners and a plurality of anode carbon blocks, wherein radiating holes are formed in each corner; a corner anode carbon block is arranged on the inner side of each corner; a chamfer is arranged at the bottom of one end, close to the corner, of the corresponding corner anode carbon block of at least one corner; the ratio of the length of each chamfer to the length of the corresponding corner anode carbon block is 1:15-1:2, the ratio of the width of each chamfer to the width of the corresponding corner anode carbon block is 1:3-1:1, and the ratio of the height of each chamfer to the height of the corresponding corner anode carbon block is 1:6-2:3; each radiating hole is sequentially filled with a heat insulating material and a heat insulating brick in the direction from the interior of the aluminum electrolysis cell to the exterior of the aluminum electrolysis cell. Compared with the prior art, the aluminum electrolysis cell has the benefits of higher removal efficiency, lower cost and better removal effect.
Description
[technical field]
The present invention relates to technical field of aluminum electrolysis, particularly relate to a kind of aluminium cell.
[background technology]
Aluminium cell for the production of electrolytic aluminum is cuboid-type, its open top, anode carbon block is suspended in aluminium cell, ionogen is positioned at the below of anode carbon block, cathode carbon pieces is layed in the bottom of aluminium cell, the intersection of aluminium cell cell wall is the bight of aluminium cell, aluminium cell has 4 bights, each bight is provided with three row's louvres, at the top of aluminium cell towards on the direction of bottom, this louvre comprises first group of louvre, second group of louvre and the 3rd group of louvre, aluminium cell suspends inside each bight a bight anode carbon block, other anode carbon block is grading electrode charcoal block.Along with applying of Low Voltage Technique, aluminium cell heat income reduces, the bight temperature showing generally aluminium cell is lower, ionogen below the anode carbon block of bight solidifies in a large number at bight place, easily occur stretching one's legs the phenomenon of growing up in the bight of aluminium cell, and then causing the burner hearth of aluminium cell to be out of shape, horizontal current increases, and affects stability and the current efficiency of aluminium cell.In addition, the easy bending positive bar of stretching one's legs greatly in bight, affects the normal operation of aluminium cell.
The mode stretched one's legs in current process aluminum electrolytic groove angle portion mainly contains two kinds, and one is by corner insulation, namely uses the aforementioned louvre of filled thermal insulation materials, to melt stretch one's legs by strengthening the corner insulation of aluminium cell, but due to keeping warmth space less, stretch one's legs more infusibilized; Another kind passes through manual handling, propose outside electrolyzer by anode, then will stretch one's legs with overhead traveling crane and interrupt, it is made to depart from the bight of electrolyzer, but it is longer that required time of stretching one's legs removed by manual operation overhead traveling crane, and the heat loss that electrolyzer can be caused a large amount of, in addition, stretching one's legs and can repeatedly grow up after process, effectively cannot eradicate and stretch one's legs.Thus the aluminium cell of correlation technique exists that elimination efficiency is lower, cost is higher, the deficiency that elimination effect is poor.
Therefore, be necessary to provide a kind of new aluminium cell to overcome above-mentioned technical problem in fact.
[summary of the invention]
The technical issues that need to address of the present invention are to provide that a kind of elimination efficiency is higher, cost is lower, the good aluminium cell of elimination effect.
A kind of aluminium cell of the present invention, be provided with four bights and some anode carbon blocks, described in each, bight is equipped with louvre, the inner side in bight described in each is equipped with a bight anode carbon block, chamfering is provided with bottom the one end in the close described bight of the bight anode carbon block at least one described bight, the ratio of the length of described chamfering and the length of described bight anode carbon block is 1:15 ~ 1:2, the ratio of the width of described chamfering and the width of described bight anode carbon block is 1:3 ~ 1:1, the ratio of the height of described chamfering and the height of described bight anode carbon block is 1:6 ~ 2:3, from the direction in the inside outward portion of described aluminium electric angle groove, described louvre is filled with lagging material successively, insulating brick.
Preferably, the ratio of the length of described chamfering and the length of described bight anode carbon block is 1:15 ~ 5:13, and the ratio of the height of described chamfering and the height of described bight anode carbon block is 1:6 ~ 1:2.
Preferably, described lagging material is at least one that insulating cotton and pure aluminium silicate get rid of in silky fibre blanket.
Preferably, described louvre is also filled with the diaphragm seal be positioned at outside described insulating brick.
Preferably, described diaphragm seal is aluminum alloy sheet.
Preferably, chamfering is equipped with bottom the one end in the close described bight of the described bight anode carbon block in bight described in each.
Compared with correlation technique, beneficial effect of the present invention is, after bight anode carbon block is provided with chamfering, this chamfering replace by ionogen, when electric current flows through anode carbon block from anode carbon block upper vertical, because chamfering place is ionogen, resistance is comparatively large, when electric current flow to the chamfering place of bight anode carbon block, electric current reduces, the electric current be reduced point to be shifted onto other position of bight anode carbon block, thus the stretch one's legs electric current of top of bight is increased, and temperature also increases thereupon; In addition, also closed the louvre in bight by the bight external application filled thermal insulation materials at aluminium cell, further enhancing the insulation in bight.Thus, stretch one's legs and more easily melt in bight, and fusing time is shorter; Without the need to anode carbon block is proposed aluminium cell, the amount of heat avoiding the aluminium cell caused time stretching one's legs in manual operation overhead traveling crane cleaning bight scatters and disappears; Bight keeps higher temperature environment, after stretching one's legs and be melted in bight, not easily possesses the low temperature environment producing bight and stretch one's legs again, and thus, bight phenomenon of stretching one's legs is eradicated effect preferably.
[accompanying drawing explanation]
Fig. 1 is aluminum cell structure schematic diagram of the present invention;
Fig. 2 is the bight anode carbon block structural representation of aluminium cell of the present invention;
Fig. 3 is a corner structure schematic diagram of aluminium cell of the present invention;
Fig. 4 is the bight cross-sectional schematic of aluminium cell of the present invention.
[embodiment]
Below in conjunction with drawings and embodiments, the invention will be further described.
As shown in Figure 1-Figure 3, a kind of aluminium cell of the present invention, it is provided with four bights 3 and some anode carbon blocks, bight 3 is provided with louvre, louvre comprises the first group of louvre 31 set gradually towards the direction of bottom from the top of aluminium cell, second group of louvre 32 and the 3rd group of louvre 33, each bight 3 is equipped with a bight anode carbon block 2, chamfering 21 is provided with bottom the one end in the close bight 3 of the bight anode carbon block 2 at least one bight 3, the ratio of the length of chamfering 21 and the length of bight anode carbon block 2 is 1:15 ~ 1:2, the ratio of the width of chamfering 21 and the width of bight anode carbon block 2 is 1:3 ~ 1:1, the ratio of the height of chamfering 21 and the height of bight anode carbon block 2 is 1:6 ~ 2:3, from the direction in the inside outward portion of aluminium electric angle groove, first group of louvre 31 is filled with lagging material 34 successively, 35 and insulating brick 36, second group of louvre 32 is filled with lagging material 34 successively, 35 and insulating brick 36, 3rd group of louvre 33 is filled with lagging material 34 successively, 35 and insulating brick 36.Described bight anode carbon block 2 is provided with chamfering 21 and refers to that bight anode carbon block 2 is compared with other grading electrode charcoal block, bight anode carbon block 2 is cut off one piece of rectangular leg-of-mutton hornblock in cross section bottom the one end in bight 3, the length of this hornblock is the length of chamfering, l, w, h namely shown in Fig. 2.
After bight anode carbon block 2 is provided with chamfering 21, this chamfering 21 replace by ionogen 4, when electric current flows through bight anode carbon block 2 from bight anode carbon block 2 upper vertical, because chamfering 21 place is ionogen 4, resistance is comparatively large, when electric current flow to chamfering 21 place of bight anode carbon block 2, electric current reduces, the electric current be reduced is shared other position of bight anode carbon block 2, thus the electric current above the (not shown) that makes to stretch one's legs increases, and temperature also increases thereupon; In addition, by filling at the bight 3 external application lagging material 34,35 of aluminium cell and insulating brick 36 and close the louvre in bight 3, further enhancing the insulation in bight 3.Thus, stretch one's legs and more easily melt in bight, and fusing time is shorter; Without the need to anode carbon block is proposed aluminium cell, the amount of heat avoiding the aluminium cell caused time stretching one's legs in manual operation overhead traveling crane cleaning bight scatters and disappears; Bight 3 keeps higher temperature environment, after stretching one's legs and be melted in bight, not easily possesses the low temperature environment producing bight and stretch one's legs again, and thus, bight phenomenon of stretching one's legs is eradicated preferably.
In present embodiment, the ratio of the length of chamfering 21 and the length of bight anode carbon block 2 is 1:15 ~ 5:13, and the ratio of the height of chamfering 21 and the height of bight anode carbon block 2 is 1:6 ~ 1:2.Thus, achieve the better distribution to top electric current of stretching one's legs, be conducive to provide preferably temperature, be convenient to fusing and stretch one's legs.
In present embodiment, lagging material 34,35 is at least one that insulating cotton 35 and pure aluminium silicate get rid of in silky fibre blanket 34, and specific to the present embodiment, lagging material 34,35 gets rid of silky fibre blanket 34 and insulating cotton 35 for pure aluminium silicate.Thus, be conducive to ensureing that the heat of surrounding of stretching one's legs in bight 3 does not scatter and disappear, after avoiding stretching one's legs and being melted, then occur the phenomenon repeatedly grown of stretching one's legs due to the reduction of bight 3 temperature.
In present embodiment, first group of louvre 31 is also provided with the diaphragm seal 37 be positioned at outside insulating brick 36, because second group of louvre 32 and the 3rd group of louvre 33 all locate below ground level, less with the contact surface of extraneous air, duration of contact is shorter, therefore second group of louvre 32 and the 3rd group of louvre 33 can in insulating brick 36 arranged outside diaphragm seals 37, also diaphragm seal 37 can not be established, first group of louvre 31 is owing to being positioned at more than ground, larger with the contact surface of extraneous air, duration of contact is longer, therefore by arranging diaphragm seal 37, heat insulation effect can be strengthened, reduce scattering and disappearing of heat, in present embodiment, second group of louvre 32 and the 3rd group of louvre 33 do not establish diaphragm seal 37.
In present embodiment, diaphragm seal 37 is aluminum alloy sheet.Thus, achieve sealing and aesthetic preferably, be conducive to the external insulation in bight 3 and improve the aesthetic degree in bight 3.
In present embodiment, bottom the one end in the close bight 3 of the bight anode carbon block 2 in each bight 3, be equipped with chamfering 21.Thus, the arbitrary bight in 4 bights 3 of aluminium cell, the phenomenon that occurred stretching one's legs, can phenomenon of stretching one's legs be eradicated, not occur stretching one's legs, the generation of stretching one's legs can be prevented.
It should be noted that, when arbitrary bight 3 of aluminium cell occurs stretching one's legs phenomenon, need the bight anode carbon block 2 not establishing chamfering changing the bight 3 occurring stretching one's legs with the anode carbon block being provided with chamfering 21, because electric current rises to from 0 the time that total current needs 1-2 days, the height of other anode carbon block consumption of this time period is 2cm, therefore be used for the anode carbon block changed and reserved certain must return chi height, ensure that anode carbon block its pole span after reaching total current being used for changing is consistent with the pole span of other anode carbon block.
Also show the stove side 6 being positioned at aluminium liquid 5 below ionogen 4 and aluminium cell in present embodiment, from the direction in aluminium cell inside outward portion, bight 3 comprises liner 39, sidepiece steel plate 38 and louvre.
Compared with correlation technique, beneficial effect of the present invention is, elimination efficiency is higher, cost is lower, elimination effect is better.
Above-described is only embodiments of the present invention, it should be pointed out that for the person of ordinary skill of the art at this, without departing from the concept of the premise of the invention, can also make improvement, but these all belongs to protection scope of the present invention.
Claims (6)
1. an aluminium cell, it is provided with four bights and some anode carbon blocks, described in each, bight is equipped with louvre, the inner side in bight described in each is equipped with a bight anode carbon block, it is characterized in that: bottom the one end in the close described bight of the bight anode carbon block at least one described bight, be provided with chamfering, the ratio of the length of described chamfering and the length of described bight anode carbon block is 1:15 ~ 1:2, the ratio of the width of described chamfering and the width of described bight anode carbon block is 1:3 ~ 1:1, the ratio of the height of described chamfering and the height of described bight anode carbon block is 1:6 ~ 2:3, from the direction in the inside outward portion of described aluminium electric angle groove, described louvre is filled with lagging material successively, insulating brick.
2. aluminium cell according to claim 1, is characterized in that: the ratio of the length of described chamfering and the length of described bight anode carbon block is 1:15 ~ 5:13, and the ratio of the height of described chamfering and the height of described bight anode carbon block is 1:6 ~ 1:2.
3. aluminium cell according to claim 2, is characterized in that: described lagging material is at least one that insulating cotton and pure aluminium silicate get rid of in silky fibre blanket.
4. aluminium cell according to claim 3, is characterized in that: described louvre is also filled with the diaphragm seal be positioned at outside described insulating brick.
5. aluminium cell according to claim 4, is characterized in that: described diaphragm seal is aluminum alloy sheet.
6. aluminium cell according to claim 5, is characterized in that: be equipped with chamfering bottom the one end in the close described bight of the described bight anode carbon block in bight described in each.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410691401.6A CN104404572A (en) | 2014-11-25 | 2014-11-25 | Aluminum electrolysis cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410691401.6A CN104404572A (en) | 2014-11-25 | 2014-11-25 | Aluminum electrolysis cell |
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| Publication Number | Publication Date |
|---|---|
| CN104404572A true CN104404572A (en) | 2015-03-11 |
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| CN201410691401.6A Pending CN104404572A (en) | 2014-11-25 | 2014-11-25 | Aluminum electrolysis cell |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105239105A (en) * | 2015-10-27 | 2016-01-13 | 湖南创元铝业有限公司 | Electrolytic cell |
| CN110144603A (en) * | 2019-06-20 | 2019-08-20 | 云南云铝润鑫铝业有限公司 | A method of reinforcing the heat preservation of aluminium electroloysis groove angle pole |
Citations (9)
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|---|---|---|---|---|
| US4608135A (en) * | 1985-04-22 | 1986-08-26 | Aluminum Company Of America | Hall cell |
| DE10003447A1 (en) * | 2000-01-27 | 2001-08-02 | Wolfram S Ruff | Production of anodes used for electrolytic recovery of aluminum comprises rounding corners of the anode so the corners correspond to the rest of the anode |
| CN2892893Y (en) * | 2006-04-13 | 2007-04-25 | 贵阳铝镁设计研究院 | Aluminium refining electrolytic cell anti-leakaging thermal insulation and magnesium brick type inside lining structure |
| CN2898061Y (en) * | 2005-12-31 | 2007-05-09 | 山东平阴丰源炭素有限责任公司 | Streamline partial anode for aluminum electrolysis |
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| CN201473607U (en) * | 2009-06-11 | 2010-05-19 | 贵阳铝镁设计研究院 | Anode carbon block matched with special cathode for use |
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| CN201883156U (en) * | 2010-12-07 | 2011-06-29 | 冯乃祥 | Anode structure of aluminum electrolysis cell |
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-
2014
- 2014-11-25 CN CN201410691401.6A patent/CN104404572A/en active Pending
Patent Citations (9)
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| US4608135A (en) * | 1985-04-22 | 1986-08-26 | Aluminum Company Of America | Hall cell |
| DE10003447A1 (en) * | 2000-01-27 | 2001-08-02 | Wolfram S Ruff | Production of anodes used for electrolytic recovery of aluminum comprises rounding corners of the anode so the corners correspond to the rest of the anode |
| CN2898061Y (en) * | 2005-12-31 | 2007-05-09 | 山东平阴丰源炭素有限责任公司 | Streamline partial anode for aluminum electrolysis |
| CN2892893Y (en) * | 2006-04-13 | 2007-04-25 | 贵阳铝镁设计研究院 | Aluminium refining electrolytic cell anti-leakaging thermal insulation and magnesium brick type inside lining structure |
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| CN101709486A (en) * | 2009-12-18 | 2010-05-19 | 中国铝业股份有限公司 | Aluminium electrolysis bath |
| CN201598340U (en) * | 2010-01-20 | 2010-10-06 | 重庆天泰铝业有限公司 | Punched positive electrode for aluminum electrolysis |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105239105A (en) * | 2015-10-27 | 2016-01-13 | 湖南创元铝业有限公司 | Electrolytic cell |
| CN110144603A (en) * | 2019-06-20 | 2019-08-20 | 云南云铝润鑫铝业有限公司 | A method of reinforcing the heat preservation of aluminium electroloysis groove angle pole |
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Application publication date: 20150311 |
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