CN102168286B - Aluminum electrolysis anode device and preparation method thereof - Google Patents
Aluminum electrolysis anode device and preparation method thereof Download PDFInfo
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- CN102168286B CN102168286B CN201110095313A CN201110095313A CN102168286B CN 102168286 B CN102168286 B CN 102168286B CN 201110095313 A CN201110095313 A CN 201110095313A CN 201110095313 A CN201110095313 A CN 201110095313A CN 102168286 B CN102168286 B CN 102168286B
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Abstract
The invention discloses an aluminum electrolysis anode device and a preparation method thereof. The aluminum electrolysis anode device comprises an anode carbon block, wherein the upper part of the anode carbon block is provided with a carbon bowl, an anode steel claw is arranged in the carbon bowl, and a cavity between the carbon bowl and the anode steel claw is filled with a carbon material; and the carbon material is prepared from the following raw materials in parts by weight: 45-80 parts of artificial graphite, 5-40 parts of scrap metal and 15-20 parts of resin binder. The preparation method comprises the following steps: (1) taking the processed anode carbon block and anode steel claw for later use; (2) taking the raw materials in parts by weight, and evenly mixing to obtain the carbon material; (3) compacting the carbon material; (4) putting the anode steel claw into the carbon bowl, so that the center of the anode steel claw coincides with the center of the carbon bowl; and (5) solidifying the carbon material at normal temperature or under heating conditions. The invention does not use the phosphorus pig iron or anode carbon block, and the connection mode thereof, thereby overcoming the defects in the publicly-known technology.
Description
Technical field
The equipment that the present invention relates to use in the aluminum electrolysis is a kind of aluminium electrolysis anode device and preparation method thereof.
Background technology
The aluminium electrolysis anode device that in aluminum electrolysis, uses (also claiming anode carbon block group) is made up of anode carbon block, anode rod and anode steel jaw.Usually anode rod is an one with anode steel jaw, and adopting the phosphorus pig iron to dissolve casting cooling back binding anode steel jaw and anode carbon block is one.The deficiency that this structure and working method exist is: the phosphorus pig iron need be heated when dissolving to more than 130 ℃; Current consumption is very big; And the phosphorus pig iron produces a large amount of obnoxious flavoures such as carbonoxide in fusion process; Major polluting atmosphere environment, it is very high particularly to operate in the workshop harmful gas concentration, and health of operators is had bigger infringement; In addition,, when level goes up after anodic oxidation and the electrolysis, be prone to cause the phosphorus pig iron to be washed away and melt away, cause the primary aluminum downgrade, and shortened the work-ing life of aluminium electrolysis anode device when aluminium electrolysis anode device during in aluminum electrolysis; Because the phosphorus pig iron is to utilize the expanded by heating of the phosphorus pig iron to contact fully when contacting with anode carbon block, their contact drop is higher, and the current consumption when causing electrolysis is more high.
Summary of the invention
The objective of the invention is, a kind of aluminium electrolysis anode device and preparation method thereof is provided, it changes adopts the phosphorus pig iron and anode carbon block ways of connecting and material, thereby eliminates the deficiency of known technology.
The present invention is for realizing above-mentioned purpose; Realize through following technical scheme: the aluminium electrolysis anode device; Comprise anode carbon block, the charcoal bowl is offered on anode carbon block top, and anode steel jaw is inserted in the charcoal bowl; Fill the plain material of charcoal in the cavity between charcoal bowl and the anode steel jaw, the raw material weight ratio that the plain material of charcoal adopts is: synthetic graphite 45-80, scrap metal 5-40 and resinoid bond 15-20.The last plane of the plain material of charcoal is higher than the last plane of anode carbon block.The last planar distance that the last plane of the plain material of charcoal is higher than anode carbon block is the 20-40 millimeter.The raw material weight ratio of the plain material of charcoal is: synthetic graphite 55-75, scrap metal 10-30 and resinoid bond 15-20.
The preparation method of described aluminium electrolysis anode device may further comprise the steps:
1. it is subsequent use to get the anode carbon block and the anode steel jaw that have machined;
2. mix and process the plain material of charcoal by weight getting synthetic graphite 45-80, scrap metal 5-40 and resinoid bond 15-20;
3. the plain material of charcoal is inserted the bottom of the charcoal bowl of offering on anode carbon block top, adopt pressure that the densification of the plain material of charcoal is real;
4. anode steel jaw is inserted in the charcoal bowl, the bottom surface that makes anode steel jaw and the step 3. real plain material of charcoal of densification contact, and the centre of anode steel jaw is overlapped with the centre of charcoal bowl;
5. the plain material of step charcoal is 2. inserted in the charcoal bowl, the plain material of charcoal is full of in the cavity that the distance between anode steel jaw outer wall and charcoal bowl inwall forms, to the plain material pressurization of charcoal that the densification of the plain material of charcoal is real, after being solidified at normal temperature or under heating, the plain material of charcoal gets final product.The preparation method of described aluminium electrolysis anode device; Produce two semicircle moulds, semicircle mould is inserted anode steel jaw be positioned at planar periphery on the anode carbon block, the distance between the outer wall of the distance between the inwall that makes semicircle mould and the outer wall of anode steel jaw and the inwall of charcoal bowl and anode steel jaw equates; Again the plain material of step charcoal is 2. inserted in the cavity of the distance formation between semicircle mould inner wall and anode steel jaw outer wall; To the plain material pressurization of charcoal, the densification of the plain material of charcoal is real, then two semi-circular moulds are taken off in both sides respectively; Form the plain material of charcoal projection, the plain material of charcoal is solidified under normal temperature or heating.Described to the plain material pressurization of charcoal, can adopt pressing machine or plug ramming machine to make the plain material of charcoal closely knit to the plain material pressurization of charcoal.Distance between the outer wall of anode steel jaw and charcoal bowl inwall is the 40-180 millimeter.The thickness of the plain material of charcoal after the densification of the 3. middle employing pressure of step is real is the 10-20 millimeter.
Aluminium electrolysis anode device of the present invention and preparation method thereof adopts the plain material of charcoal that anode carbon block is connected with anode steel jaw; Thoroughly changed the deficiency that adopts the phosphorus pig iron to connect anode carbon block and anode steel jaw existence; Do not have dust, free from extraneous odour, no obnoxious flavour in the production, do not have any pollution, to the healthy no any infringement of operator, simultaneously; It is extremely low to consume energy, and is merely about 1/20th of power consumption when connecting with the phosphorus pig iron.Prove through test: the plain material of charcoal is when temperature raises; Electric conductivity strengthens, and resistivity decreased can be saved a large amount of electric energy in the aluminum electrolysis process; The plain material of charcoal can also effectively be resisted electrolytical erosion; Thereby prolonged the work-ing life of anode carbon block, and, adopt the plain material of charcoal that the intensity that anode steel jaw and anode carbon block connect as one is identical with employing magnetic pig iron strength of joint.Simultaneously,, improved its electroconductibility, and protected anode carbon block to avoid in use washing away, prolonged its work-ing life etc. owing to increased the contact area of the plain material of charcoal with anode steel jaw.
Description of drawings
Accompanying drawing 1 is the structural representation of aluminium electrolysis anode charcoal block assembly of the present invention.
Embodiment
Contrast accompanying drawing and embodiment further specify the present invention.
The present invention is in order to accomplish goal of the invention; Reach advantage of the present invention, the embodiment in the technical scheme that provides is: as shown in Figure 1,4 is anode carbon blocks among the figure; Charcoal bowl 5 is offered on anode carbon block 4 tops; Anode steel jaw 3 is inserted in the charcoal bowl 5, fills the plain material 6 of charcoal in the cavity between charcoal bowl 5 and the anode steel jaw 3, and the raw material weight ratio that the plain material 6 of charcoal adopts is: synthetic graphite 45-80, scrap metal 5-40 and resinoid bond 15-20.The raw material weight that the plain material 6 of charcoal of the present invention adopts than preferred scheme is: synthetic graphite 55-75, scrap metal 10-30 and resinoid bond 15-20.Said resinoid bond can be powdery, also can be liquid or half-dried powdery.Resinoid bond is used for synthetic graphite and scrap metal are bonded together, and solidifies the back and is one.
The raw material that the plain material 6 of charcoal described in aluminium electrolysis anode device of the present invention and preparation method thereof adopts can have multiple combination by weight:
1, synthetic graphite 45, scrap metal 40 and resinoid bond 15.
2, synthetic graphite 65, scrap metal 15 and resinoid bond 20.
3, synthetic graphite 80, scrap metal 5 and resinoid bond 15.
4, synthetic graphite 70, scrap metal 10 and resinoid bond 20.
5, synthetic graphite 60, scrap metal 20 and resinoid bond 20.
6, synthetic graphite 52, scrap metal 30 and resinoid bond 18.
7, synthetic graphite 50, scrap metal 35 and resinoid bond 15.
8, synthetic graphite 75, scrap metal 10 and resinoid bond 15.
9, synthetic graphite 70, scrap metal 15 and resinoid bond 15.
10, synthetic graphite 55, scrap metal 30 and resinoid bond 15.
The raw material that the plain material 6 of charcoal according to the invention adopts also can adopt waste cathode carbon block or scrap anode charcoal piece pulverising mill powdering to substitute synthetic graphite.
The present invention is in order to increase conductive area, can make the last plane of the plain material 6 of charcoal be higher than the last plane of anode carbon block 4.
The present invention is in order to increase conductive area, and the plan that reaches better effects is: the last planar distance H that the last plane of the plain material 6 of charcoal is higher than anode carbon block 4 is the 20-40 millimeter.
The preparation method of aluminium electrolysis anode device of the present invention may further comprise the steps:
1. it is subsequent use with anode steel jaw 3 to get the anode carbon block 4 that has machined;
2. mix and process the plain material 6 of charcoal by weight getting synthetic graphite 45-80, scrap metal 5-40 and resinoid bond 15-20;
3. the plain material 6 of charcoal is inserted the bottom of the charcoal bowl of offering on anode carbon block 4 tops 5, adopt pressure that 6 densification of the plain material of charcoal are real;
4. anode steel jaw 3 is inserted in the charcoal bowl 5, the bottom surface that makes anode steel jaw 3 and the step 3. real plain material 6 of charcoal of densification contact, and the centre of anode steel jaw 3 is overlapped with the centre of charcoal bowl 5;
5. the plain material 6 of step charcoal is 2. inserted in the charcoal bowl 5, the plain material 6 of charcoal is full of in the cavity that the distance between anode steel jaw 3 outer walls and charcoal bowl 5 inwalls forms, to plain material 6 pressurizations of charcoal that 6 densification of the plain material of charcoal are real, after being solidified at normal temperature or under heating, the plain material 6 of charcoal gets final product.
The preparation method of aluminium electrolysis anode device of the present invention is for increasing the contact area of plain material of charcoal and steel pawl; Improve advantages such as its electroconductibility; Also can increase following step: produce two semicircle moulds; Semicircle mould is inserted anode steel jaw 3 be positioned at planar periphery on the anode carbon block 4, the distance between the outer wall of the distance between the inwall that makes semicircle mould and the outer wall of anode steel jaw 3 and the inwall of charcoal bowl 5 and anode steel jaw 3 equates, the more plain material 6 of step charcoal is 2. inserted in the cavity of the distance formation between semicircle mould inner wall and anode steel jaw 3 outer walls; To plain material 6 pressurizations of charcoal; 6 densification of the plain material of charcoal are real, then two semi-circular moulds are taken off in both sides respectively, form the plain material of charcoal projection 7; The real plain material of the charcoal projection 7 of densification exceeds on the anode carbon block 4 the planar height H to be generally the 20-40 millimeter is good here, and this is to reach the preferred version that improves advantages such as conductivity with low cost.The plain material 6 of charcoal is solidified under normal temperature or heating.Setting time is shortened, and Heating temperature is generally 50-150 ℃.
Of the present invention to plain material 6 pressurizations of charcoal, can adopt pressing machine or plug ramming machine to make the plain material of charcoal 6 closely knit to plain material 6 pressurizations of charcoal, pressing machine, plug ramming machine are known technology.
Distance between the outer wall of anode steel jaw 3 of the present invention and charcoal bowl 5 inwalls is the 40-180 millimeter.
The thickness H of the plain material 6 of charcoal after the densification of the 3. middle employing pressure of step of the present invention is real
1Be the 10-20 millimeter.
The specific surface area of scrap metal of the present invention is generally 250-450m
2/ kg.
Among the figure, the 1st, anode rod, the 2nd, anode steel jaw dowel.
Claims (7)
1. aluminium electrolysis anode device; Comprise anode carbon block (4); Charcoal bowl (5) is offered on anode carbon block (4) top; Anode steel jaw (3) is inserted in the charcoal bowl (5), it is characterized in that: fill the plain material of charcoal (6) in the cavity between charcoal bowl (5) and the anode steel jaw (3), the raw material weight ratio that the plain material of charcoal (6) adopts is: synthetic graphite 45-80, scrap metal 5-40 and resinoid bond 15-20; The last plane of the plain material of charcoal (6) is higher than the last plane of anode carbon block (4).
2. aluminium electrolysis anode device according to claim 1 is characterized in that: the last planar distance H that the last plane of the plain material of charcoal (6) is higher than anode carbon block (4) is the 20-40 millimeter.
3. aluminium electrolysis anode device according to claim 1 is characterized in that: the raw material weight ratio of the plain material of charcoal (6) is: synthetic graphite 55-75, scrap metal 10-30 and resinoid bond 15-20.
4. the preparation method of the described aluminium electrolysis anode device of claim 1 is characterized in that: may further comprise the steps:
1. it is subsequent use to get the anode carbon block (4) and the anode steel jaw (3) that have machined;
2. mix and process the plain material of charcoal (6) by weight getting synthetic graphite 45-80, scrap metal 5-40 and resinoid bond 15-20;
3. the plain material of charcoal (6) is inserted the bottom of the charcoal bowl of offering on anode carbon block (4) top (5), adopt pressure that (6) densification of the plain material of charcoal is real;
4. anode steel jaw (3) is inserted in the charcoal bowl (5), the bottom surface that makes anode steel jaw (3) and the step 3. real plain material of charcoal (6) of densification contact, and the centre of anode steel jaw (3) is overlapped with the centre of charcoal bowl (5);
5. the step plain material of charcoal 2. (6) is inserted in the charcoal bowl (5); The plain material of charcoal (6) is full of in the cavity of the distance formation between anode steel jaw (3) outer wall and charcoal bowl (5) inwall; To the plain material of charcoal (6) pressurization that (6) densification of the plain material of charcoal is real, the plain material of charcoal (6) is got final product after solidifying under normal temperature or the heating;
Produce two semicircle moulds; Semicircle mould is inserted anode steel jaw (3) be positioned at upward planar periphery of anode carbon block (4); Distance between the outer wall of the distance between the inwall that makes semicircle mould and the outer wall of anode steel jaw (3) and the inwall of charcoal bowl (5) and anode steel jaw (3) equates, the step plain material of charcoal 2. (6) inserted in the cavity that the distance between semicircle mould inner wall and anode steel jaw (3) outer wall forms again, and pressurizes to the plain material of charcoal (6); (6) densification of the plain material of charcoal is real; Then two semi-circular moulds are taken off in both sides respectively, form the plain material of charcoal projection (7), the plain material of charcoal is solidified under normal temperature or heating.
5. the preparation method of aluminium electrolysis anode device according to claim 4 is characterized in that: described to the plain material of charcoal (6) pressurization, and adopt pressing machine or plug ramming machine to make the plain material of charcoal (6) closely knit to the plain material of charcoal (6) pressurization.
6. the preparation method of aluminium electrolysis anode device according to claim 4 is characterized in that: the distance between the outer wall of anode steel jaw (3) and charcoal bowl (5) inwall is the 40-180 millimeter.
7. the preparation method of aluminium electrolysis anode device according to claim 4 is characterized in that: the thickness H of the plain material of charcoal (6) after the densification of the 3. middle employing pressure of step is real
1Be the 10-20 millimeter.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110095313A CN102168286B (en) | 2011-04-15 | 2011-04-15 | Aluminum electrolysis anode device and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110095313A CN102168286B (en) | 2011-04-15 | 2011-04-15 | Aluminum electrolysis anode device and preparation method thereof |
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| CN102168286B true CN102168286B (en) | 2012-08-29 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102345141B (en) * | 2011-09-05 | 2014-01-01 | 冯乃祥 | Aluminum electrolytic tank anode carbon block of irregularly-shaped structure with exhaust passage and preparation method thereof |
| CN105401169A (en) * | 2015-11-04 | 2016-03-16 | 新疆生产建设兵团农八师天山铝业有限公司 | Environment-friendly recycling method for abandoned cathode carbon blocks of aluminum electrolysis cell |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101054692A (en) * | 2007-02-08 | 2007-10-17 | 秦晓明 | Method of reducing resistance of anode carbon block set |
| DE102007063143A1 (en) * | 2007-12-29 | 2009-07-02 | Heinz Caspelherr | Vibrating device for producing carbon electrodes for aluminum industry, comprises a vibrating table, which is seated on vertically arranged spring elements and carries a stage construction resting on supports, and a clamping device |
| CN201534885U (en) * | 2009-11-10 | 2010-07-28 | 杨青 | Anode carbon block for clamping type anode conducting apparatus |
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2011
- 2011-04-15 CN CN201110095313A patent/CN102168286B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101054692A (en) * | 2007-02-08 | 2007-10-17 | 秦晓明 | Method of reducing resistance of anode carbon block set |
| DE102007063143A1 (en) * | 2007-12-29 | 2009-07-02 | Heinz Caspelherr | Vibrating device for producing carbon electrodes for aluminum industry, comprises a vibrating table, which is seated on vertically arranged spring elements and carries a stage construction resting on supports, and a clamping device |
| CN201534885U (en) * | 2009-11-10 | 2010-07-28 | 杨青 | Anode carbon block for clamping type anode conducting apparatus |
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Granted publication date: 20120829 Termination date: 20130415 |