CN110042428A - A kind of continuous prebaked anode cell carbon block charcoal bowl - Google Patents
A kind of continuous prebaked anode cell carbon block charcoal bowl Download PDFInfo
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- CN110042428A CN110042428A CN201910325654.4A CN201910325654A CN110042428A CN 110042428 A CN110042428 A CN 110042428A CN 201910325654 A CN201910325654 A CN 201910325654A CN 110042428 A CN110042428 A CN 110042428A
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- charcoal bowl
- charcoal
- bowl assembly
- carbon fiber
- assembly
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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
- C25C3/125—Anodes based on carbon
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
- Ceramic Products (AREA)
Abstract
The invention discloses a kind of continuous prebaked anode cell carbon block charcoal bowls.It include charcoal bowl assembly, charcoal bowl assembly is equipped with charcoal bowl, and the charcoal bowl assembly of charcoal bowl bottom is equipped with machined steel pawl and connects annular groove；Charcoal bowl assembly insertion charcoal bowl assembly connection pit roasted with charcoal block body or it is Nian Jie integrally；By weight, 0.5-7% carbon fiber is contained in charcoal bowl assembly, the carbon fiber length is 0.5-2mm.Charcoal bowl of the present invention is in production by the way that suitable, high-intensitive, high tenacity carbon fiber is added on the basis of the composition of raw materials of conventional pre-baked anode carbon blocks, it can ensure that charcoal bowl assembly when working on electrolytic cell, flawless, crack generate, the leakage of charcoal bowl aluminum water will not occur, the mechanical strength of the machined steel pawl connection annular groove of charcoal bowl bottom is also improved simultaneously, makes to connect stronger reliable beneficial effect.
Description
Technical field
The present invention relates to a kind of aluminium electrolysis cell anode carbon block construction applications, especially a kind of continuous prebaked anode cell carbon block charcoal bowl
Making material and method.
Background technique
Modern Aluminium Industry is all made of prebaked anode production electrolytic aluminium.Common pre-baked anode carbon blocks are that interruption uses
, the service life of one piece of anode carbon block is 30 days or so.Pre-baked anode carbon blocks gradually consume in use, when remaining high
When degree is 15~18cm, it is necessary to be taken out from electrolytic cell, the anode carbon block more renewed.Prebaked anode is generally cuboid, has
Stable geometry, using stone tar, pitch coke as aggregate, using coal tar pitch as binder, according to the size of electrolytic cell currents and
The difference of technique and have different sizes, current density is generally in 0 .68-0 .9A/cm2In range.
In existing prebaked anode Aluminum Electrolysis Production, anode steel claw and anode carbon block all use phosphorus pig iron casting formula to connect
It connects, being equipped with 2-4 diameter in the upper surface of pre-baked anode carbon blocks conducting direction is 160-180mm, and depth is the circular groove of 80-110mm,
It is commonly called as charcoal bowl, in anode assembling, charcoal bowl is used to place anode joint, is cast in anode joint in charcoal bowl with the phosphorus pig iron, sun
Pole steel pawl head and aluminium conducting rod are exploded by aluminum steel welds connection, and such conductive anode rod and anode carbon block are linked together, composition sun
Pole carbon block group, phosphorus pig iron casting formula pre-baked anode carbon blocks group are modern prebaked cell unique anode production sides used at present
Formula.This anode production mode can not be disassembled orderly when replacing anode, can only destructive disintegration anode anode scrap and the phosphorus pig iron pour
The anode steel claw of casting causes a large amount of anode anode scrap to generate.
Existing pre-baked anode carbon blocks are disposable production, consumable material product, and existing carbon block technique determines its internal stress
It is larger often to have cracking, chip off-falling, fall a phenomenon.When cracking is band, electric current can not pass through, and be treated as substandard product, Zhi Nengzhi
It is informed of a case useless, withdraws and used as raw material.Also the variation that internal stress can be should be in carbon block combustion process, often result in slot chip off-falling and
Crackle generates.In the aluminum water casting of cooperation the present inventor's invention -- the carbon block (patent No. of mechanical clad steel pawl and corresponding construction
201710088066.4) in use, leakage aluminum water must be will cause, it is non-conductive to cause to have leaked the charcoal bowl of aluminum water, steel pawl, destroys electricity
Solution production.
Present invention applicant has also applied for a series of structure of continuous prebaked anode cell carbon blocks and the patent of production method and Shen
A series of please aluminum water casting~mechanical combined type anode steel claws convenient for anode change poles, referenced patent number
201710088066.4, anode steel claw can orderly be disassembled from the anode carbon block being burnt, then docked newly in old carbon block
Carbon block works on, to realize the continuous use of anode.The connection type of aluminum water casting does not allow charcoal bowl bottom and surrounding to have
Crackle, crack exist, and will cause aluminum water in charcoal bowl and leak, anode steel claw is non-conductive, destroys electrolysis production.
Summary of the invention
The object of the present invention is to provide a kind of continuous prebaked anode cell carbon block charcoal bowl structure, manufacturing method and manufacture materials.
Charcoal bowl of the present invention is suitable, high-intensitive, high by being added on the basis of the composition of raw materials of conventional pre-baked anode carbon blocks in production
The carbon fiber of toughness, it can be ensured that when working on electrolytic cell, flawless, crack generate charcoal bowl assembly, and charcoal bowl aluminum water will not occur
Leakage, while the mechanical strength of the machined steel pawl connection annular groove of charcoal bowl bottom is also improved, make to connect stronger reliable.
Technical solution of the present invention: a kind of continuous prebaked anode cell carbon block charcoal bowl includes charcoal bowl assembly, sets on charcoal bowl assembly
There is charcoal bowl, the charcoal bowl assembly of charcoal bowl bottom is equipped with machined steel pawl and connects annular groove.
In continuous prebaked anode cell carbon block charcoal bowl above-mentioned, the charcoal bowl assembly insertion charcoal bowl assembly connection pit and carbon block sheet
Body roasting or bonding are integral.
In continuous prebaked anode cell carbon block charcoal bowl above-mentioned, by weight, 0.2-7% carbon fiber is contained in the charcoal bowl assembly.
In continuous prebaked anode cell carbon block charcoal bowl above-mentioned, by weight, 0.3-6% carbon fiber is contained in the charcoal bowl assembly.
In continuous prebaked anode cell carbon block charcoal bowl above-mentioned, by weight, 0.5-5% carbon fiber is contained in the charcoal bowl assembly.
In continuous prebaked anode cell carbon block charcoal bowl above-mentioned, the carbon fiber length is 0.5-2mm.
The continuous prebaked anode cell carbon block charcoal bowl preparation method, is added carbon fiber in charcoal bowl assembly kneading, makes charcoal bowl
Assembly material and carbon fiber mix, and then form, roast to obtain the final product.
In continuous prebaked anode cell carbon block charcoal bowl preparation method above-mentioned, the charcoal bowl assembly material is petroleum coke and pitch.
In continuous prebaked anode cell carbon block charcoal bowl preparation method above-mentioned, described comprise the concrete steps that breaks charcoal bowl assembly material
After broken, screening, carbon fiber kneading is added, molding, roasts to obtain the final product.
In continuous prebaked anode cell carbon block charcoal bowl preparation method above-mentioned, partial size after the charcoal bowl assembly material fragmentation, screening
Size is 0.07-1mm.
Compared with prior art, it has the advantages that
1, the present invention changes the manufacture, part manufacture material and structure of existing pre-baked anode carbon blocks charcoal bowl.It is existing pre-
Roasting anode carbon block charcoal bowl is directly to open 2 or multiple or more pits in carbon block body upper part, forms charcoal bowl.The present invention is first
2 are opened in carbon block body upper part or multiple diameters are greater than the pit of charcoal bowl diameter, and the depth of pit is greater than charcoal bowl depth, pit
It is greater than 40~60mm of charcoal bowl with diameter, depth is greater than 20~30mm of charcoal bowl depth and is preferred, is fabricated separately on one and charcoal block body
The matched carbon block of pit, a complete charcoal bowl space is contained in carbon block, also machined steel pawl is devised in charcoal bowl bottom and connects
Annular groove.
The carbon block containing charcoal bowl and machined steel pawl connection annular groove being fabricated separately herein is named as charcoal bowl assembly, name and charcoal
Pit on the bowl matched charcoal block body of assembly is that charcoal bowl assembly connects pit.When charcoal bowl assembly insertion charcoal bowl assembly connects pit
Afterwards, as the raw block of charcoal block body roasts together, or always mature block smearing bonding agent is embedded on ripe piece of charcoal block body in charcoal bowl
Charcoal bowl assembly connects in pit, and upper surface is concordant with charcoal block body.
2, since the carbon fiber added in charcoal bowl assembly is superfine, by a series of processing such as kneading, roasting, carbon fiber is in charcoal
Network-like distribution in bowl assembly, because tough carbon fiber is pullled, charcoal bowl assembly does not have crackle, crack generates.
3, the anti-sodium etch ability and thermal shock resistance of charcoal bowl can equally be improved by carbon fiber being added in charcoal bowl assembly, be had very high
Tensile strength can prevent charcoal bowl assembly when working on electrolytic cell because internal stress changes, and charcoal bowl assembly bottom and surrounding generate
Crackle, crack, the aluminum water leakage in charcoal bowl assembly, destroy electrolysis production.The charcoal bowl assembly for being added to carbon fiber enhances machinery
Intensity, after ensure that the aluminum water fusing cast in charcoal bowl assembly, machined steel claw hook hangs reliability, the fastness of carbon block, guarantees electricity
Solve the steady operation of slot.
4, the bottom of charcoal bowl assembly devises machined steel pawl connection annular groove, is conducive to aluminum water casting -- mechanical combined type steel pawl
Orderly dismantling between pre-baked anode carbon blocks assists the generation for eliminating anode anode scrap, effectively reduces environmental pollution.
In conclusion charcoal bowl of the present invention is in production by being added on the basis of the composition of raw materials of conventional pre-baked anode carbon blocks
Suitable, high-intensitive, high tenacity carbon fiber, it can be ensured that when working on electrolytic cell, flawless, crack generate charcoal bowl assembly,
The leakage of charcoal bowl aluminum water will not occur, while also improving the mechanical strength of the machined steel pawl connection annular groove of charcoal bowl bottom, make to connect
Stronger reliable beneficial effect.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
The label in accompanying drawing is: 1- charcoal block body, 2- charcoal bowl assembly connects pit, 3- charcoal bowl assembly, 4- charcoal bowl, 5- machinery
Steel pawl connects annular groove.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to
According to.
Embodiment 1.A kind of continuous prebaked anode cell carbon block charcoal bowl is constituted as shown in Figure 1, including charcoal bowl assembly 3, charcoal bowl is total
It is equipped with charcoal bowl 4 at 3, the charcoal bowl assembly 3 of 4 bottom of charcoal bowl is equipped with machined steel pawl and connects annular groove 5；By weight, charcoal bowl assembly 3
In contain 0.2% carbon fiber, carbon fiber length 0.5-2mm；
Specifically by charcoal bowl assembly material fragmentation, screening, particle size is that 0.07-1mm is added carbon fiber kneading, makes charcoal bowl after screening
Assembly material and carbon fiber mix, and then form, and to get charcoal bowl assembly 3, the charcoal bowl assembly material is petroleum for roasting
Burnt and pitch；
3 ripe pieces of charcoal bowl assembly smearing bonding agents are embedded in 2 in the connection pit of the charcoal bowl assembly on 1 ripe piece of charcoal block body, thereon
Surface and charcoal block body flat 1 are neat.
Embodiment 2.A kind of continuous prebaked anode cell carbon block charcoal bowl is constituted as shown in Figure 1, including charcoal bowl assembly 3, charcoal bowl is total
It is equipped with charcoal bowl 4 at 3, the charcoal bowl assembly 3 of 4 bottom of charcoal bowl is equipped with machined steel pawl and connects annular groove 5；By weight, charcoal bowl assembly 3
In contain 3% carbon fiber, carbon fiber length 0.5-2mm；
Specifically by charcoal bowl assembly material fragmentation, screening, particle size is that 0.07-1mm is added carbon fiber kneading, makes charcoal bowl after screening
Assembly material and carbon fiber mix, and then form, after the charcoal bowl assembly connection pit 2 on the raw block of insertion charcoal block body 1,
With the raw block of charcoal block body 1 roast together to get；The charcoal bowl assembly material is petroleum coke and pitch；
Embodiment 3.A kind of continuous prebaked anode cell carbon block charcoal bowl is constituted as shown in Figure 1, including charcoal bowl assembly 3, charcoal bowl assembly 3
It is equipped with charcoal bowl 4, the charcoal bowl assembly 3 of 4 bottom of charcoal bowl is equipped with machined steel pawl and connects annular groove 5；By weight, in charcoal bowl assembly 3
Contain 5% carbon fiber, carbon fiber length 0.5-2mm；
Specifically by charcoal bowl assembly material fragmentation, screening, particle size is that 0.07-1mm is added carbon fiber kneading, makes charcoal bowl after screening
Assembly material and carbon fiber mix, and then form, and to get charcoal bowl assembly 3, the charcoal bowl assembly material is petroleum for roasting
Burnt and pitch；
3 ripe pieces of charcoal bowl assembly smearing bonding agents are embedded in 2 in the connection pit of the charcoal bowl assembly on 1 ripe piece of charcoal block body, thereon
Surface and charcoal block body flat 1 are neat.
Embodiment 4.A kind of continuous prebaked anode cell carbon block charcoal bowl is constituted as shown in Figure 1, including charcoal bowl assembly 3, charcoal bowl is total
It is equipped with charcoal bowl 4 at 3, the charcoal bowl assembly 3 of 4 bottom of charcoal bowl is equipped with machined steel pawl and connects annular groove 5；By weight, charcoal bowl assembly 3
In contain 7% carbon fiber, carbon fiber length 0.5-2mm；
Specifically by charcoal bowl assembly material fragmentation, screening, particle size is that 0.07-1mm is added carbon fiber kneading, makes charcoal bowl after screening
Assembly material and carbon fiber mix, and then form, after the charcoal bowl assembly connection pit 2 on the raw block of insertion charcoal block body 1,
With the raw block of charcoal block body 1 roast together to get；The charcoal bowl assembly material is petroleum coke and pitch.
Claims (9)
1. a kind of continuous prebaked anode cell carbon block charcoal bowl, it is characterised in that: include charcoal bowl assembly (3), charcoal bowl assembly (3) is equipped with
The charcoal bowl assembly (3) of charcoal bowl (4), charcoal bowl (4) bottom is equipped with machined steel pawl connection annular groove (5).
2. continuous prebaked anode cell carbon block charcoal bowl according to claim 1, it is characterised in that: charcoal bowl assembly (3) insertion
Charcoal bowl assembly connect pit (2) and charcoal block body (1) roast or it is Nian Jie integrally.
3. continuous prebaked anode cell carbon block charcoal bowl according to claim 2, it is characterised in that: by weight, the charcoal bowl is total
At in (3) contain 0.2-7% carbon fiber.
4. continuous prebaked anode cell carbon block charcoal bowl according to claim 3, it is characterised in that: by weight, the charcoal bowl is total
At in (3) contain 0.3-6% carbon fiber.
5. continuous prebaked anode cell carbon block charcoal bowl according to claim 4, it is characterised in that: by weight, the charcoal bowl is total
At in (3) contain 0.5-5% carbon fiber.
6. continuous prebaked anode cell carbon block charcoal bowl according to claim 5, it is characterised in that: the carbon fiber length is 0.5-
2mm。
7. a kind of continuous prebaked anode cell carbon block charcoal bowl preparation method as claimed in any one of claims 1 to 6, it is characterised in that:
Carbon fiber is added when charcoal bowl assembly (3) kneading, mixes charcoal bowl assembly material and carbon fiber, then forms, roasting is
?.
8. continuous prebaked anode cell carbon block charcoal bowl preparation method according to claim 7, it is characterised in that: the charcoal bowl assembly
Material is petroleum coke and pitch.
9. continuous prebaked anode cell carbon block charcoal bowl preparation method according to claim 7, it is characterised in that: the specific steps
It is that carbon fiber kneading after charcoal bowl assembly material fragmentation, screening, will be added, molding, roast to obtain the final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910325654.4A CN110042428B (en) | 2019-04-22 | 2019-04-22 | Carbon block carbon bowl of continuous prebaked anode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910325654.4A CN110042428B (en) | 2019-04-22 | 2019-04-22 | Carbon block carbon bowl of continuous prebaked anode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110042428A true CN110042428A (en) | 2019-07-23 |
| CN110042428B CN110042428B (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910325654.4A Active CN110042428B (en) | 2019-04-22 | 2019-04-22 | Carbon block carbon bowl of continuous prebaked anode |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101698945A (en) * | 2009-11-03 | 2010-04-28 | 中国铝业股份有限公司 | Carbon-fiber reinforced cathode carbon block and preparation method thereof |
| CN204342891U (en) * | 2014-11-05 | 2015-05-20 | 新疆众和股份有限公司 | Low consumption prebaked anode used for aluminium electrolysis |
| CN104893377A (en) * | 2015-06-23 | 2015-09-09 | 湖南创元铝业有限公司 | Conductive paint for anode steel claws |
| US20150263338A1 (en) * | 2014-03-13 | 2015-09-17 | Honda Motor Co., Ltd. | Cathode material |
| CN207672137U (en) * | 2017-02-19 | 2018-07-31 | 贵州铝城铝业原材料研究发展有限公司 | Anode steel claw strainer |
-
2019
- 2019-04-22 CN CN201910325654.4A patent/CN110042428B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101698945A (en) * | 2009-11-03 | 2010-04-28 | 中国铝业股份有限公司 | Carbon-fiber reinforced cathode carbon block and preparation method thereof |
| US20150263338A1 (en) * | 2014-03-13 | 2015-09-17 | Honda Motor Co., Ltd. | Cathode material |
| CN204342891U (en) * | 2014-11-05 | 2015-05-20 | 新疆众和股份有限公司 | Low consumption prebaked anode used for aluminium electrolysis |
| CN104893377A (en) * | 2015-06-23 | 2015-09-09 | 湖南创元铝业有限公司 | Conductive paint for anode steel claws |
| CN207672137U (en) * | 2017-02-19 | 2018-07-31 | 贵州铝城铝业原材料研究发展有限公司 | Anode steel claw strainer |
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| Publication number | Publication date |
|---|---|
| CN110042428B (en) | 2020-10-23 |
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