CN107881531B - A kind of composite anode of aluminium cell - Google Patents
A kind of composite anode of aluminium cell Download PDFInfo
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- CN107881531B CN107881531B CN201711069199.3A CN201711069199A CN107881531B CN 107881531 B CN107881531 B CN 107881531B CN 201711069199 A CN201711069199 A CN 201711069199A CN 107881531 B CN107881531 B CN 107881531B
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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
- C25C3/12—Anodes
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Abstract
The present invention relates to technical field of aluminum electrolysis, and in particular to a kind of composite anode of aluminium cell；To solve to separate raw material to be added to drawback present in electrolytic cell liquid electrolyte by oneself, used technical solution is that filler is added in the aluminium frame of built-in conductor, the filler includes raw material, the raw material is to prepare aluminium oxide used in metallic aluminium, or prepare aluminium oxide used in aluminium alloy and corresponding alloying element oxide or alloying element fluoride；Raw material is directly appended in composite anode, raw material addition manner is increased and expands raw material Adding Area, keep raw material continuous slow while entering and being dispersed in large-scale electrolyte area, even if under the conditions of low electrolysis temperature, the quick and complete dissolution of raw material energy being added in liquid electrolyte, and furnace bottom does not generate more precipitating, is run using lower electrolysis temperature, it can be reduced electrolytic cell heat loss, current efficiency is improved, yield is increased, reduces charcoal consumption, energy consumption is reduced, fluoro-gas discharge is reduced.
Description
Technical field
The present invention relates to technical field of aluminum electrolysis, and in particular to a kind of composite anode of aluminium cell.
Background technique
The electrolytic cell for producing metal aluminum or aluminum alloy at present uses carbon material as anode, uses ice crystal (electrolyte
Main component) be used as flux, and add aluminum fluoride, magnesium fluoride, calcirm-fluoride and lithium fluoride etc. in the electrolyte and be electrolysed with improving
The physical and chemical performance of matter produces metallic aluminium using aluminium oxide as raw material, produces aluminium alloy using aluminium oxide and other metals
Oxide or other metal fluorides are as raw material.These materials of electrolytic cell are independently and separately added to electrolytic cell difference
Position: before preparing metal aluminum or aluminum alloy, carbon material is first fabricated to anode carbon block or anode mix；In electrolytic process,
The old anode carbon block consumed in electrolytic cell periodically is replaced with new anode carbon block, or adds anode mix in the anode；According to electricity
Solution matter ingredient and electrolyte level height add villiaumite into electrolyte；According to alumina concentration size in electrolyte in electrolyte
Middle addition aluminium oxide.
When producing anode carbon block or anode mix, using after-smithing petroleum coke as aggregate, but after-smithing petroleum coke mistake is being produced
A large amount of reluctant pollutants are generated in journey, and after-smithing petroleum coke ash content and sulfur content are high, influence product quality and pollution
Environment；Produce that metal aluminum or aluminum alloy is raw materials used to be added to anode by independent point feeding mechanism or artificial addition manner
In the liquid electrolyte on periphery, adding procedure dust collector is big, and adding raw materials position is few and an additive amount is big, and raw material is caused to expand
It dissipates and is limited in scope, solution rate is slow, precipitating easy to form, and electrolyte ingredient fluctuation is big and uneven, electrolyte ingredient control
It is difficult and inaccurate, influence the drawbacks such as electrolytic cell stable operation and efficiency；Meanwhile in order to improve the dissolution of raw material in the electrolyte
Speed and solubility are reduced to generate in furnace bottom and be precipitated, using higher electrolysis temperature, increases heat loss, increase liquid electrolyte
Volatilization loss increases energy-output ratio and waste, influences bath life.
Application No. is 201611257730.5 patents to disclose a kind of continuous aluminium frame anode aluminium cell of built-in conductor,
Including aluminium frame anode and the cathode being disposed below, aluminium frame anode includes aluminium frame, and carbon material and several are provided in aluminium frame
Conductor.
Summary of the invention
The present invention be solve to separate raw material in the liquid electrolyte being added to by oneself around anode and there are the drawbacks of,
A kind of composite anode of aluminium cell is provided.
In order to solve the above technical problems, the technical scheme adopted by the invention is as follows: a kind of composite anode of aluminium cell,
Filler is added in the aluminium frame of built-in conductor, the filler includes raw material, and the raw material is to prepare oxygen used in metallic aluminium
Change aluminium, or prepares aluminium oxide used in aluminium alloy and corresponding alloying element oxide or alloying element fluoride.
Application No. is 201611257730.5 patents to disclose a kind of continuous aluminium frame anode aluminium cell of built-in conductor,
Including aluminium frame anode, aluminium frame anode includes aluminium frame, and carbon material and several conductors are provided in aluminium frame.It is arranged in aluminium frame and leads
Body, because the conduction and heating conduction of conductor are far superior to carbon material, it is possible to effectively improve the conduction of anode and lead
Heat effect is conducive to anode current and anode heat and is uniformly distributed in aluminium frame anode, significantly reduces anode drop, reduces
Power consumption.And the important function that carbon material is arranged in aluminium frame is anode current to be imported in liquid electrolyte, that is, is held
Carry on a shoulder pole electric action；Since conductor is arranged in the patent (application No. is 201611257730.5) applied in aluminium frame, before
Make aluminium frame anode that there is good conductive and heating conduction, then the application cleverly expects reducing carbon material addition in aluminium frame
Amount, while the adding raw materials in aluminium frame greatly expand the region of raw material addition, are guaranteeing composite anode conduction in this way and are leading
Under the premise of hot property reaches requirement, raw material addition manner and numerous point of addition are increased, by pervious by whole raw materials
It is added in the liquid electrolyte on anode periphery and changes into the addition of all or part of raw material in aluminium frame, preheats and increase raw material
Temperature enables raw material is uniformly quick and complete to be dissolved in liquid electrolyte, is conducive to keep under the conditions of lower electrolysis temperature
Raw material even concentration is stablized in electrolyte, reduces anode effect coefficient, and furnace bottom does not generate more precipitating.
The wherein additive amount of raw material passes through conventional skill under the premise of meeting composite anode electric conductivity and reaching requirement
Art means can determine and adjust the additive amount of raw material by limited experiment.The lower limit of raw material additive amount, to improve liquid electric
The material concentration of Xie Zhizhong reaches technique and requires and anode effect does not occur to be lower limit；The upper limit of raw material additive amount, with compound sun
Pole electric conductivity, which reaches requirement and do not generate in furnace bottom, is precipitated as the upper limit.It is corresponding to reduce back and forth with the increase of raw material additive amount
The quantity of adding raw materials in the liquid electrolyte on Heyang pole periphery adds up in the liquid electrolyte for stopping at composite anode periphery
Add raw material.
The additive amount of carbon material depends on the electric conductivity of composite anode, requires when composite anode electric conductivity is higher than
When, the additive amount of carbon material can be reduced up to being zero, it, can be using increasing when composite anode electric conductivity is lower than requiring
Add the method for carbon material additive amount to improve composite anode electric conductivity until reaching requirement.The charcoal in decreasing or increasing aluminium frame
When the additive amount of cellulosic material, the additive amount of raw material in aluminium frame can be increased or decreased accordingly.
The filler includes the component of following weight percent: raw material 25-91 %, carbon material 1-63%, flux 0-
6%, binder 4-32%, metal material 0-10%；The metal material is metallic aluminium or prepares corresponding alloying element when aluminium alloy
Simple substance or alloy.
The filler of above-mentioned weight percent proportion is preferred composite anode filler.
Volatilization loss and mechanical loss can occur for liquid electrolyte in electrolytic process, need to be replenished in time, and flux enters
It is melted into liquid electrolyte, supplements liquid electrolyte quantity.The additional amount of flux is generally less, can be added to anode surrounding
Liquid electrolyte in, can also add in aluminium frame, it is preferred determine flux in aluminium frame after an addition radix, further according to
Field condition determines the quantity that flux is added into electrolytic cell.Binder is mainly used to for filler being bonded together first, aluminium
It is not added with binder in frame, raw material can be increased and shift to an earlier date the probability flowed out from aluminium frame, and it is a kind of excellent that binder is added in aluminium frame
Other materials in filler is not only preferably bonded together by the scheme of choosing, and passes through electrolytic cell high-temperature roasting, is improved
The electric conductivity and mechanical strength of filler.In filler comprising metal material be a kind of preferred embodiment, for further increasing
The electric conductivity of composite anode further decreases carbon material content in composite anode until being zero, further decreases the energy and disappear
Consumption.
Filler is directly appended in aluminium frame, or will be added in aluminium frame after filler kneading, or by filler kneading
Be added to aluminium frame after forming, or aluminium frame will be added to after filler kneading, forming and roasting, or filler and kneading is good
Filler is added to aluminium frame.
It is easy, accurate that the addition manner of filler kneading controls the addition of filler；The addition manner of filler is different,
Economic benefit and process flow complexity are influenced whether, wherein the mode that filler kneading is well directly added is made economic effect
Beneficial best, process flow is most short, operates most easy.
First there is conductor to add filler or filler and conductor in aluminium frame to be added together in aluminium frame, or is first added
Conductor is added after filler.
The binder refer to pitch, synthetic resin, tar, white sugar, molasses, syrup, paraffin, phosphoric acid hydrogen two aluminium, rosin,
Any one in ammonium persulfate, starch and machine oil, or any two or more mix in any proportion.
The flux is ice crystal, elpasolite, cryolithionite, aluminum fluoride, magnesium fluoride, calcirm-fluoride, sodium fluoride, fluorination
Any one in lithium, lithium carbonate and sodium chloride, or any two or more mix in any proportion.
The metal material form is any one of bulk, graininess, clastic, powdery, threadiness or several forms
Mixture.
When preparing metallic aluminium, the metal material of addition is metal aluminum shot, aluminium powder etc..When preparing aluminium alloy, the metal of addition
Material is metal aluminum or aluminum alloy, or corresponding alloying element simple substance or alloy it is any, or appoint and several press any ratio
The mixture of example.
The conductor is maintained in aluminium frame until the filler contacted with conductor starts disappearance.
Compared with prior art the invention has the following advantages:
1, raw material is directly appended in composite anode, increases raw material addition manner and expands raw material Adding Area, changed
The mode and sequence that raw material disperses or dissolves in liquid electrolyte, can be such that raw material continuously slowly enters and be uniformly dispersed simultaneously
In liquid electrolyte, even if the raw material being added in liquid electrolyte can be uniformly quick and complete under the conditions of low electrolysis temperature
Dissolution makes the material concentration in liquid electrolyte uniformly and is difficult to reach saturation state, this is conducive in lower electrolysis temperature item
Raw material even concentration stabilization in electrolyte is kept under part and meets technique requirement, and furnace bottom does not generate more precipitating, promotes electrolytic cell
Steady efficient operation.Therefore, composite anode, which has, equably conducts or is added to simultaneously liquid electric for electric current and corresponding raw material
The characteristics of solving matter any position, advantageously accounts for concentration polarization present in liquid electrolyte, material concentration and current distribution not
Synchronous problem promotes the electrochemical reaction in liquid electrolyte more efficient.
2, be suitble to " low electrolysis temperature, low material concentration, low pole span and low electrolyte level " Novel electrolytic plastidome with
And electrolysis process, it is run using lower electrolysis temperature (such as 800 ± 120 DEG C), is lower than 920-980 DEG C of existing electrolysis temperature,
Simultaneously using technological parameter (the opposite prior art parameter average level of low pole span, low electrolyte level and low alumina concentration
Fall is greater than 10% or more), it can be reduced electrolytic cell heat loss, improve current efficiency, increase yield, reduce charcoal consumption, reduce energy
Source consumption, reduces fluoro-gas discharge amount, advantageously reduces pollution and extends groove life.
3, the usage amount of carbon material in composite anode is reduced, such as reduces or does not have to after-smithing petroleum coke, advantageously reduce pair
Atmosphere pollution reduces charcoal to electrolyte pollution, improves product quality；The behaviour that breeze is fished for from electrolyte is reduced or cancelled simultaneously
Make, reduce environmental pollution, reduce fluoride salt consumption, reduce labor intensity, improve working environment, reduces charcoal consumption.
4, filler used in electrolytic cell is added in aluminium frame after kneading, avoid raw material adding procedure dust collector and
Pollution reduces the complexity of addition a variety of materials process, and operation is easy and efficient, and addition control is easy, precisely.
5, there is good, uniform electrical and thermal conductivity performance, anodic gas is promoted quickly to be discharged from composite anode, reduce sun
Extreme pressure drop, it is energy saving, and also composite anode others physical and chemical performance meets the requirement of electrolytic cell.
6, a possibility that acting on, composite anode good airproof performance because of aluminium frame sustainable protection, oxidation reaction occurs with air is small,
The volatile matter that binder generates in the case of a high temperature in filler cannot be escaped from composite anode surrounding and top, improve compound sun
Pole physicochemical property, changes harmful to treasure.
7, for heating and increasing filler temperature, raw material is preheated and accelerates original the heat that composite anode voltage drop generates
The dissolution of material reduces the heat loss of anode, and energy needed for reducing cell reaction is conducive to electrolytic cell and keeps under cryogenic
Thermally equilibrated stabilization.
Detailed description of the invention
Fig. 1 is the sectional view of electrolytic cell composite anode.
It is marked in figure as follows:
1- bitumen flue gas seals gas gathering cover, 2- filler, 3- aluminium frame, 4- conductor, 5- sintered body, 6- fluting.
Specific embodiment
Below in conjunction with specific embodiment, the invention will be further described.
When carrying out producing metal aluminum or aluminum alloy operation, composite anode is mounted on the top of electric tank cathode, composite anode
In filler 2 in a cell rely on electrolytic cell itself heat, gradually roasted along from the direction of composite anode bottom up
It is burnt into sintered body 5.Conductor 4 may have been melted when not touching liquid electrolyte, but due to having sintered body guarantor around conductor 4
Shield can continue to play the effect of its conductive and heat-conductive.When surrounding does not have sintered body 5, especially when the sintered body 5 of conductor bottom end is disappeared
When consuming, conductor 4 loses the original protective effect of sintered body 5 and contacts with liquid electrolyte, and liquid electrolyte has high temperature high
Corrosivity can not be protected or guarantee that conductor 4 continues to stay in sintered body 5, sintered body can only be left, to stay in sintered body 5
Lower fluting 6.After conductor 4 leaves sintered body 5, fluting 6 is formed in sintered body, as shown in Figure 1.
Composite anode includes aluminium frame, conductor and filler three parts, three's quilt during producing metal aluminum or aluminum alloy
It consumes.Aluminium frame and conductor by liquid electrolyte fusing or corrode or dissolve, finally most of to enter electric tank cathode, become
A part of metal aluminum or aluminum alloy；Dissolution of raw material in filler is electrochemically reacted in liquid electrolyte, in cathode
The metallic aluminium or alloying elements deposition of precipitation are electrolytic cell lower part (referring to cathode), in the oxygen and composite anode that anode generates
Carbon material reaction generates carbon dioxide or carbon monoxide, perhaps reacts with adhesive residue object or along in sintered body
Fluting is discharged into outside composite anode；The oxygen effect that carbon material and raw material decomposes process in filler generate generates titanium dioxide
Carbon or carbon monoxide；Flux in filler, which enters in liquid electrolyte, to be melted, and liquid electrolyte quantity is supplemented.In filler
Binder be it is consumable, be sintered together in the case of a high temperature with other materials in filler, improve composite anode
Mechanical strength and electric conductivity, and consumed with the consumption of raw material.Metal material disappearing with composite anode in filler
Consumption is oxidized to enter in liquid electrolyte after oxide and dissolve by anodic gas, or is corroded or melted or molten by liquid electrolyte
Solution, enters finally into electric tank cathode, becomes a part of metal aluminum or aluminum alloy.
The conduction and heating conduction of conductor are better than carbon material, and cannot influence product quality.Aluminium frame ontology aluminum content
Greater than 30% or more, aluminium frame shape, structure and corresponding size can guarantee and composite anode are firmly mounted on electrolytic cell, and
Meet the requirement of conduction electric current.
The good filler of filler or kneading is added in aluminium frame, or aluminium will be added to after the good filler cooling of kneading
In frame, or it will be added in aluminium frame after the good filler forming (such as at bulk, irregular shape or regular shape) of kneading, or will
The good filler of kneading it is shaped and roasting after be added in aluminium frame.Filler and the good filler of kneading can add simultaneously
In aluminium frame, the pre-baked anode carbon blocks in filler are such as locally added in aluminium frame, further increase the electric conductivity of composite anode.Or
First in aluminium frame that the good filler of kneading is added to outside electrolytic cell and composite anode will be made in person, then continues above-mentioned composite anode
It is connected to the composite anode top just run on electrolytic cell；Or the good filler of kneading is first added to the aluminium frame outside electrolytic cell
In, composite anode is made after being fired in aluminium frame and filler, then by above-mentioned composite anode continued access to just running on electrolytic cell
Composite anode top, or replace the composite anode just run on electrolytic cell with above-mentioned composite anode.
No matter producing metallic aluminium or aluminium alloy, raw material all includes aluminium oxide；When producing metallic aluminium, raw material refers to oxidation
Aluminium；When producing aluminium alloy, raw material refers to aluminium oxide, corresponding alloying element oxide and alloying element fluoride or oxygen
Change aluminium and corresponding alloying element oxide or aluminium oxide and corresponding alloying element fluoride.
Aluminium oxide and alloying element oxide or alloying element fluoride add after mixing, or are added separately
In the same composite anode, or it is added separately in different composite anodes.
Composite anode is installed in a cell, arrangement in a cell and the connection type with anode bus
And position, conventionally electric current imports composite anode and voltage drop wants low, guarantees composite anode lifting smoothly, do not influence compound sun
What the requirements such as pole conductive and heat-conductive and exhaust performance determined, the operating temperature of electrolytic cell is 800 ± 120 DEG C.
The composite anode quantity that single electrolytic cell uses is generally 1-60, and particular number, size, shape and structure want root
The decision of the factors such as fixing and the convenience on electrolytic cell is mounted on according to cell capacity size, composite anode.
Requirement according to composite anode to aluminium frame and conductor, determine the production method of aluminium frame and conductor, process flow and
Direct or indirect connection mode between the two, production method include but is not limited to Plastic Forming, cast form, machining or
Electric machining, riveting, crimping, welding.
According to the additive amount size of raw material in filler, determines and crust-breaking & baiting exhaust gear is set in composite anode surrounding,
Or crust breaking exhaust gear.
Embodiment 1
Filler is added in composite anode aluminium frame, the percentage that the raw material in filler accounts for filler total weight is 58%, electricity
760-850 DEG C of temperature of solution, product aluminum content are greater than 99.92%.The raw material is aluminium oxide.The addition manner of filler is that will mix
The filler pinched is added in aluminium frame.Crust-breaking & baiting exhaust gear is installed around composite anode.
Embodiment 2
Filler is added in composite anode aluminium frame, the percentage that the raw material in filler accounts for filler total weight is 25%, electricity
810-890 DEG C of temperature of solution, product aluminum content are greater than 99.00%.The raw material is aluminium oxide and magnesia.The addition side of filler
Formula is that will be added in aluminium frame after the good filler cooling of kneading.Crust-breaking & baiting exhaust gear is installed around composite anode.
Embodiment 3
Filler is added in composite anode aluminium frame, the percentage that the raw material in filler accounts for filler total weight is 91%, electricity
680-760 DEG C of temperature of solution, product aluminum content are greater than 99.50%.The raw material is aluminium oxide and magnesia.The addition side of filler
Formula is to be added in aluminium frame after the good filler of kneading to be configured to irregular small bulk.Crust breaking row is installed around composite anode
Mechanism of qi structure.
Embodiment 4
Filler is added in composite anode aluminium frame, carbon material weight percent content 52% in filler, raw material weight hundred
Divide than content 25%, weight of binder degree 23%, 860-920 DEG C of electrolysis temperature, product aluminum content is greater than 99.92%.Institute
State carbon material after-smithing petroleum coke, raw material aluminium oxide, binder pitch.The addition manner of filler is that kneading is good
It is added in aluminium frame after filler forming.
Embodiment 5
Filler is added in composite anode aluminium frame, carbon material weight percent content 32% in filler, raw material weight hundred
Divide than content 50%, weight of binder degree 18%, 810-860 DEG C of electrolysis temperature, product aluminum content is greater than 98.50%.Institute
State carbon material anode scrap, raw material aluminium oxide and copper oxide, the mixture of binder synthetic resin and tar.Filler
Addition manner be by the good filler of kneading it is shaped and roasting after be added in aluminium frame.
Embodiment 6
Filler is added in composite anode aluminium frame, carbon material weight percent content 2%, weight of binder in filler
Degree 19%, raw material weight degree 71%, flux weight percent content 3%, the percentage of weight of metallic materials
Content 5%, 750-810 DEG C of electrolysis temperature, product aluminum content is greater than 92.90%.The carbon material pitch coke and graphite it is mixed
Close object, raw material aluminium oxide and manganese oxide, binder synthetic resin, the mixture of flux ice crystal and aluminum fluoride, metal
Material is manganese grain.The addition manner of filler is that the good filler of kneading is added in aluminium frame.
Embodiment 7
Filler is added in composite anode aluminium frame, carbon material weight percent content 1%, weight of binder in filler
Degree 15%, raw material weight degree 74%, weight of metallic materials degree 10%, electrolysis temperature 680-750
DEG C, product aluminum content is greater than 99.93%.The carbon material graphite, raw material aluminium oxide, binder pitch and synthesis tree
The mixture of rouge, the mixture of flux ice crystal, aluminum fluoride and cryolithionite, metal material are aluminium powder.The addition of filler
Mode is to be configured to be added in aluminium frame after irregular shape by the good filler of kneading.
Embodiment 8
Filler is added in composite anode aluminium frame, carbon material weight percent content 1%, weight of binder in filler
Degree 7.9%, raw material weight degree 91%, weight of metallic materials degree 0.1%, electrolysis temperature 680-
750 DEG C, product aluminum content is greater than 99.96%.The carbon material pre-baked anode carbon blocks, raw material aluminium oxide, binder drip
Green and paraffin mixture, the mixture of flux aluminum fluoride, magnesium fluoride and cryolithionite, metal material is aluminum shot.Filler
Addition manner be that first pre-baked anode carbon blocks are added in aluminium frame, then will be added in aluminium frame after remaining filler kneading.
Embodiment 9
Filler is added in composite anode aluminium frame, carbon material weight percent content 63%, weight of binder in filler
Degree 4%, raw material weight degree 32%, flux weight percent content 1%, produce by 860-910 DEG C of electrolysis temperature
Product aluminum content is greater than 99.92%.The carbon material anode mix, raw material aluminium oxide, the mixing of binder pitch and syrup
Object, the mixture of flux ice crystal and aluminum fluoride.The addition manner of filler is that will be added in aluminium frame after filler kneading.
Embodiment 10
Filler is added in composite anode aluminium frame, carbon material weight percent content 30%, weight of binder in filler
Degree 32%, raw material weight degree 32%, flux weight percent content 6%, produce by 780-830 DEG C of electrolysis temperature
Product aluminum content is greater than 98.0%.The mixture of the carbon material pitch coke and electric calcined anthracite, raw material aluminium oxide and oxidation
Zinc, the mixture of binder pitch, synthetic resin and paraffin, the mixture of flux aluminum fluoride and calcirm-fluoride.Filler
Addition manner is to be configured to be added in aluminium frame after bulk by the good filler of kneading.
Claims (6)
1. a kind of composite anode of aluminium cell is added with filler, it is characterised in that: described to fill out in the aluminium frame of built-in conductor
Filling object includes carbon material and raw material, and the raw material is to prepare aluminium oxide used in metallic aluminium, or prepare oxygen used in aluminium alloy
Change aluminium and corresponding alloying element oxide or alloying element fluoride.
2. a kind of composite anode of aluminium cell according to claim 1, it is characterised in that: the filler includes as follows
The component of weight percent, raw material 25-91 %, carbon material 1-63%, flux 0-6%, binder 4-32%, metal material 0-
10%；The metal material is metallic aluminium or the simple substance or alloy for preparing corresponding alloying element when aluminium alloy.
3. a kind of composite anode of aluminium cell according to claim 2, it is characterised in that: the binder be pitch,
It is any in synthetic resin, tar, white sugar, molasses, syrup, paraffin, phosphoric acid hydrogen two aluminium, rosin, ammonium persulfate, starch and machine oil
One kind, or any several mix in any proportion.
4. a kind of composite anode of aluminium cell according to claim 2, it is characterised in that: the flux be ice crystal,
It is any one in elpasolite, cryolithionite, aluminum fluoride, magnesium fluoride, calcirm-fluoride, sodium fluoride, lithium fluoride, lithium carbonate and sodium chloride
Kind, or any several mix in any proportion.
5. a kind of composite anode of aluminium cell according to claim 2, it is characterised in that: the metal material form is
Any one of bulk, graininess, clastic, powdery, threadiness or the mixture for appointing several forms.
6. a kind of composite anode of aluminium cell according to claim 1, it is characterised in that: the conductor is maintained at aluminium frame
In until the filler contacted with conductor starts disappearance.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711069199.3A CN107881531B (en) | 2017-11-03 | 2017-11-03 | A kind of composite anode of aluminium cell |
| PCT/CN2018/000361 WO2019085248A1 (en) | 2017-11-03 | 2018-10-22 | Composite anode for aluminum electrolytic cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711069199.3A CN107881531B (en) | 2017-11-03 | 2017-11-03 | A kind of composite anode of aluminium cell |
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| CN107881531A CN107881531A (en) | 2018-04-06 |
| CN107881531B true CN107881531B (en) | 2019-08-30 |
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| CN107881531B (en) * | 2017-11-03 | 2019-08-30 | 党建平 | A kind of composite anode of aluminium cell |
| CN108517539A (en) * | 2018-05-21 | 2018-09-11 | 党星培 | A kind of production method of built-in conductor aluminium frame |
| CN114457383B (en) * | 2022-02-28 | 2023-05-23 | 山西亮宇炭素有限公司 | Cathode tamping paste for environment-friendly aluminum electrolysis cell |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4046650A (en) * | 1970-03-16 | 1977-09-06 | Sumitomo Aluminum Smelting Co., Ltd. | Carbon block for cathodes of aluminum |
| CN202610348U (en) * | 2012-01-10 | 2012-12-19 | 山西关铝股份有限公司 | Multiple-continuous-electrode electrolytic bath for high-performance aluminum material preparation |
| CN103484891A (en) * | 2012-06-11 | 2014-01-01 | 内蒙古联合工业有限公司 | Electrolytic bath for aluminium electrolysis and electrolysis technology using same |
| CN106894055A (en) * | 2016-12-30 | 2017-06-27 | 山西精之铝科技有限公司 | The continuous aluminium frame anode aluminium cell of built-in conductor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107881531B (en) * | 2017-11-03 | 2019-08-30 | 党建平 | A kind of composite anode of aluminium cell |
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- 2018-10-22 WO PCT/CN2018/000361 patent/WO2019085248A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4046650A (en) * | 1970-03-16 | 1977-09-06 | Sumitomo Aluminum Smelting Co., Ltd. | Carbon block for cathodes of aluminum |
| CN202610348U (en) * | 2012-01-10 | 2012-12-19 | 山西关铝股份有限公司 | Multiple-continuous-electrode electrolytic bath for high-performance aluminum material preparation |
| CN103484891A (en) * | 2012-06-11 | 2014-01-01 | 内蒙古联合工业有限公司 | Electrolytic bath for aluminium electrolysis and electrolysis technology using same |
| CN106894055A (en) * | 2016-12-30 | 2017-06-27 | 山西精之铝科技有限公司 | The continuous aluminium frame anode aluminium cell of built-in conductor |
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| CN107881531A (en) | 2018-04-06 |
| WO2019085248A1 (en) | 2019-05-09 |
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