CN101956218A - Method and device for baking aluminium electrolysis cell with special-shaped cathodes - Google Patents
Method and device for baking aluminium electrolysis cell with special-shaped cathodes Download PDFInfo
- Publication number
- CN101956218A CN101956218A CN2010105335056A CN201010533505A CN101956218A CN 101956218 A CN101956218 A CN 101956218A CN 2010105335056 A CN2010105335056 A CN 2010105335056A CN 201010533505 A CN201010533505 A CN 201010533505A CN 101956218 A CN101956218 A CN 101956218A
- Authority
- CN
- China
- Prior art keywords
- special
- shaped cathode
- shaped
- conductive particle
- electrolytic 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.)
- Pending
Links
Images
Landscapes
- Electrolytic Production Of Metals (AREA)
Abstract
The invention discloses a method and device for baking an aluminium electrolysis cell with special-shaped cathodes, comprising the following steps: A. arranging a plurality of special-shaped cathodes in the aluminium electrolysis cell, wherein the special-shaped cathodes are arranged horizontally; B. laying solid filler layers on the sunk parts of the special-shaped cathodes; C. laying conductive particle material layers on the protruded parts of the special-shaped cathodes and on the upper surfaces of the solid filler layers and installing a plurality of anodes on the conductive particle material layers; and D. introducing current from the anodes to ensure the current to enter into the special-shaped cathodes via the conductive particle materials and baking the electrolysis cell with the heat generated by the current. The invention overcomes the defects in the prior art and achieves the aims of saving labor and raw materials and reducing energy consumption.
Description
Technical field
The present invention relates to a kind of method for roasting aluminum electrolytic bath, be specifically related to a kind of special-shaped cathode aluminium electrolytic cell roasting method and device thereof.
Background technology
In recent years, China's Aluminium Electrolysis technology has obtained fast development, and large-scale aluminum electrolytic cell has become the main flow grooved of current Aluminum Electrolysis Production.Can adopt tens negative electrodes and anode in the large-scale aluminum electrolytic cell, the special-shaped cathode structure that various ways on large-scale aluminum electrolytic cell, occurred, its principal feature is, cathode surface has changed over height structure straggly by traditional plane form, utilize the barrier effect of its bossing, slow down flow rate of aluminium liquid, thereby enhance productivity the aluminium liquid layer, reduce energy consumption, this technology has obtained applying fast.Because adopted height cathode construction straggly, the roasting mode of Cai Yonging can not be suitable in the past.Current, the roasting mode that special-shaped cathode aluminium electrolytic cell adopts has: the one, and the combustion gas roasting, its processing requirement complexity, facility investment are big, can not be applicable to extensive roasting; The 2nd, adopt traditional baking coke particles, earlier fill and lead up recess with burnt grain, wholely again lay burnt grain and carry out preheating, its shortcoming is, burnt grain consumption greatly, waste energy, the later stage manually has high input.
Summary of the invention
By Given this, the purpose of this invention is to provide a kind of special-shaped cathode aluminium electrolytic cell roasting method and device thereof, overcome the deficiencies in the prior art, reached the purpose of saving manpower, saving starting material, cutting down the consumption of energy.
To achieve these goals, the present invention is by the following technical solutions:
A kind of special-shaped cathode aluminium electrolytic cell roasting method wherein, comprises the steps:
Steps A is provided with a plurality of special-shaped cathodes in aluminium cell, a plurality of special-shaped cathodes are horizontal;
Step B lays the solid filler layer at the depression position of special-shaped cathode;
Step C lays the conductive particle bed of material at special-shaped cathode boss and solid filler layer upper surface, and a plurality of anodes are installed on the conductive particle bed of material;
Step D feeds electric current from a plurality of anodes, and electric current enters a plurality of special-shaped cathodes by the conductive particle material, and the heat that electric current produces carries out roasting to electrolyzer.
Further, described solid filler layer by sodium aluminum fluoride or/and the ionogen fragment form.
Further, the described conductive particle bed of material is by forging the back petroleum coke particles or/and graphite granule is formed.
Further, described conductive particle bed thickness is 5mm～50mm.
Further, described solid filler layer is concordant with special-shaped cathode boss upper surface.
A kind of special-shaped cathode aluminium electrolytic cell calciner, in aluminium cell, be provided with a plurality of special-shaped cathodes and a plurality of anode, described a plurality of special-shaped cathode horizontally is arranged in the aluminium cell, depression position at described a plurality of special-shaped cathodes is provided with the solid filler layer, and fixing the filling laid the conductive particle bed of material between bed of material upper surface, special-shaped cathode boss upper surface and a plurality of anode.
Further, described solid filler layer by sodium aluminum fluoride or/and the ionogen fragment form.
Further, the described conductive particle bed of material is by forging the back petroleum coke particles or/and graphite granule is formed.
Further, described conductive particle bed thickness is 5mm～50mm.
Further, described solid filler layer is concordant with special-shaped cathode boss upper surface.
Beneficial effect of the present invention is:
1, the present invention has changed the technology of the burnt material of laying of traditional special-shaped cathode aluminium electrolytic cell roasting, easy construction, and great amount of manpower has been saved in operation easily;
2, the present invention uses sodium aluminum fluoride or/and form the solid filler layer after the compacting of ionogen fragment at the special-shaped cathode recess, after being easy to melt and melt, sodium aluminum fluoride and ionogen fragment can be used as the required flux ionogen of electrolysis of aluminum, not only save a large amount of materials such as Jiao Li, and helped the startup of aluminium cell;
3, the present invention, has reduced because of fishing for the artificial consumption that burnt material waits the nonelectrolyte material behind starting aluminium cell significantly owing to reduced the consumption of materials such as burnt material significantly, has reduced labour intensity, has saved the energy;
4, utilize device of the present invention, roasting effect is good, has saved starting material and cuts down the consumption of energy, and has supported the development of China's special-shaped cathode large-scale aluminum electrolytic cell technology effectively.
Other advantages of the present invention, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can obtain instruction from the practice of the present invention to investigating hereinafter.Target of the present invention and other advantages can realize and obtain by specifically noted structure in following specification sheets or the accompanying drawing.
Description of drawings
Fig. 1 is the part sectioned view of special-shaped cathode aluminium electrolytic cell calciner of the present invention.
Embodiment
Referring to Fig. 1, in aluminium cell, be provided with a plurality of special-shaped cathodes 4 and a plurality of anode 1, a plurality of special-shaped cathodes 4 horizontally are arranged in the aluminium cell, solid filler layer 3 is laid at the depression position of special-shaped cathode 4, solid filler layer 3 upper surface are concordant with cathode bulging position upper surface, formed a plane, on this plane, laid conductive particle layer 2, anode 1 has been installed on conductive particle layer 2.Like this, anode 1-conductive particle layer 2-special-shaped cathode 4 forms current paths, just can carry out roasting to aluminium cell behind the feeding electric current.
The present invention adopts following steps:
Steps A is provided with a plurality of special-shaped cathodes in aluminium cell, a plurality of special-shaped cathodes are horizontal;
Step B lays the solid filler layer at the depression position of special-shaped cathode;
Step C lays the conductive particle bed of material at special-shaped cathode boss and solid filler layer upper surface, and a plurality of anodes are installed on the conductive particle bed of material;
Step D feeds electric current from a plurality of anodes, and electric current enters a plurality of special-shaped cathodes by the conductive particle material, and the heat that electric current produces carries out roasting to electrolyzer.
Solid filler layer 3 can be by sodium aluminum fluoride or ionogen fragment, also can form by both mixtures, put into compacting behind the depression position of special-shaped cathode 4, its thickness can be concordant with special-shaped cathode 4 boss upper surfaces, also can a little more than or a little less than special-shaped cathode 4 boss upper surfaces; The conductive particle bed of material 2 can be formed by forging back petroleum coke particles or graphite granule, also can be made up of both mixtures, and thickness is that 5mm is to 50mm.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, other modifications that those of ordinary skills make technical scheme of the present invention or be equal to replacement, as the composition and the thickness that change the structure of special-shaped cathode, the composition that changes the solid filler layer and thickness, change conductive particle layer can be formed a plurality of embodiment, be common variation of the present invention, only otherwise break away from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. a special-shaped cathode aluminium electrolytic cell roasting method is characterized in that: comprise the steps:
Steps A is provided with a plurality of special-shaped cathodes in aluminium cell, a plurality of special-shaped cathodes are horizontal;
Step B lays the solid filler layer at the depression position of special-shaped cathode;
Step C lays the conductive particle bed of material at special-shaped cathode boss and solid filler layer upper surface, and a plurality of anodes are installed on the conductive particle bed of material;
Step D feeds electric current from a plurality of anodes, and electric current enters a plurality of special-shaped cathodes by the conductive particle material, and the heat that electric current produces carries out roasting to electrolyzer.
2. a kind of special-shaped cathode aluminium electrolytic cell roasting method according to claim 1 is characterized in that: described solid filler layer by sodium aluminum fluoride or/and the ionogen fragment form.
3. a kind of special-shaped cathode aluminium electrolytic cell roasting method according to claim 2 is characterized in that: the described conductive particle bed of material is by forging the back petroleum coke particles or/and graphite granule is formed.
4. a kind of special-shaped cathode aluminium electrolytic cell roasting method according to claim 3 is characterized in that: described conductive particle bed thickness is 5mm～50mm.
5. a kind of special-shaped cathode aluminium electrolytic cell roasting method according to claim 4 is characterized in that: described solid filler layer is concordant with special-shaped cathode boss upper surface.
6. special-shaped cathode aluminium electrolytic cell calciner, it is characterized in that: in electrolyzer, be provided with a plurality of special-shaped cathodes and a plurality of anode, described a plurality of special-shaped cathode horizontally is arranged in the electrolyzer, depression position at described a plurality of special-shaped cathodes is provided with the solid filler layer, and fixing the filling laid the conductive particle bed of material between bed of material upper surface, special-shaped cathode boss upper surface and a plurality of anode.
7. a kind of special-shaped cathode aluminium electrolytic cell calciner according to claim 6 is characterized in that: described solid filler layer by sodium aluminum fluoride or/and the ionogen fragment form.
8. a kind of special-shaped cathode aluminium electrolytic cell calciner according to claim 7 is characterized in that: the described conductive particle bed of material is by forging the back petroleum coke particles or/and graphite granule is formed.
9. a kind of special-shaped cathode aluminium electrolytic cell calciner according to claim 8 is characterized in that: described conductive particle bed thickness is 5mm～50mm.
10. a kind of special-shaped cathode aluminium electrolytic cell calciner according to claim 9 is characterized in that: described solid filler layer is concordant with special-shaped cathode boss upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105335056A CN101956218A (en) | 2010-11-05 | 2010-11-05 | Method and device for baking aluminium electrolysis cell with special-shaped cathodes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105335056A CN101956218A (en) | 2010-11-05 | 2010-11-05 | Method and device for baking aluminium electrolysis cell with special-shaped cathodes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101956218A true CN101956218A (en) | 2011-01-26 |
Family
ID=43483799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105335056A Pending CN101956218A (en) | 2010-11-05 | 2010-11-05 | Method and device for baking aluminium electrolysis cell with special-shaped cathodes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101956218A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168285A (en) * | 2011-04-14 | 2011-08-31 | 中国铝业股份有限公司 | Novel cathode structure coke particle laying method for 180kA electrolytic bath |
| CN102409356A (en) * | 2011-11-10 | 2012-04-11 | 四川启明星铝业有限责任公司 | Method for roasting aluminum electrolytic tank with special-shaped cathode structure |
| CN103046078A (en) * | 2012-12-31 | 2013-04-17 | 广西百色银海铝业有限责任公司 | Cylindrical bulged cathode aluminium cell roasting starting method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101724859A (en) * | 2009-12-15 | 2010-06-09 | 中南大学 | Method for roasting aluminum electrolytic bath with polymorphic structure cathode |
-
2010
- 2010-11-05 CN CN2010105335056A patent/CN101956218A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101724859A (en) * | 2009-12-15 | 2010-06-09 | 中南大学 | Method for roasting aluminum electrolytic bath with polymorphic structure cathode |
Non-Patent Citations (1)
| Title |
|---|
| 覃海棠等: "异型阴极铝电解槽的焙烧方式", 《材料与冶金学报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168285A (en) * | 2011-04-14 | 2011-08-31 | 中国铝业股份有限公司 | Novel cathode structure coke particle laying method for 180kA electrolytic bath |
| CN102409356A (en) * | 2011-11-10 | 2012-04-11 | 四川启明星铝业有限责任公司 | Method for roasting aluminum electrolytic tank with special-shaped cathode structure |
| CN102409356B (en) * | 2011-11-10 | 2014-07-16 | 四川启明星铝业有限责任公司 | Method for roasting aluminum electrolytic tank with special-shaped cathode structure |
| CN103046078A (en) * | 2012-12-31 | 2013-04-17 | 广西百色银海铝业有限责任公司 | Cylindrical bulged cathode aluminium cell roasting starting method |
| CN103046078B (en) * | 2012-12-31 | 2015-07-29 | 广西百色银海铝业有限责任公司 | A kind of column-shaped projection cathode aluminium electrolytic cell baking start-up method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA3047624C (en) | Aluminum electrolytic bath having continuous aluminum-frame anode with built-in conductors | |
| CN101302628B (en) | Aluminum cell waste cathode carbon block used as calcination two electrodes conductive material and method therefor | |
| CN101629304A (en) | Coke particle baking startup method for pre-baked anode aluminum electrolytic cell and structure thereof | |
| CN202968711U (en) | Anode carbon block provided with thermal insulation structure for aluminum electrolysis | |
| CN101660175B (en) | Method for roasting and starting aluminum electrolytic cell | |
| CN101851765B (en) | Energy saving and environmental protection aluminium cell with self-baking anode | |
| CN211970457U (en) | Electrolytic aluminum oxide bin | |
| CN105483754B (en) | A kind of preparation method of aluminium electrolysis anode cladding system | |
| CN101956218A (en) | Method and device for baking aluminium electrolysis cell with special-shaped cathodes | |
| CN205295496U (en) | Aluminium electroloysis positive pole covering device | |
| CN202116664U (en) | Roasting device for cathode aluminum electrolytic tanks | |
| CN205170989U (en) | Adopt cold smashing and stick with paste whole fashioned electrolysis trough furnace structure | |
| WO2012092868A1 (en) | Magnesium chloride electrolysis apparatus and electrolysis method | |
| CN104878410B (en) | Electrolytic aluminum anode scrap crust material comprehensive reutilization method | |
| CN203411621U (en) | Cathode lining structure of aluminum electrolytic cell | |
| CN105239096B (en) | A kind of large-scale pre-baked aluminum electrolysis cell seamless connection baking start-up method | |
| CN205934047U (en) | Anode rod and steel claw connection structure | |
| CN201793762U (en) | Energy locking structure for aluminum electrolytic cells | |
| CN110029362B (en) | Split type filling block continuous prebaked anode carbon block | |
| CN201713581U (en) | Energy-saving environment-friendly self-baking anode aluminum electrolytic cell | |
| CN206345925U (en) | A kind of open-close type load-bearing conducting beam of continuous prebaked anode cell | |
| CN101962783A (en) | Method for constructing vertically discharging aluminum electrolysis cell lining | |
| CN2745943Y (en) | Composite cathode conductive body structure of aluminium electrolytic tank | |
| CN203715745U (en) | Rare earth metal electrolysis furnace | |
| CN205710948U (en) | A kind of combined type energy-saving crucible |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110126 |