CN109468663A - Anode steel claw dips in graphite system and method - Google Patents
Anode steel claw dips in graphite system and method Download PDFInfo
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- CN109468663A CN109468663A CN201811612696.8A CN201811612696A CN109468663A CN 109468663 A CN109468663 A CN 109468663A CN 201811612696 A CN201811612696 A CN 201811612696A CN 109468663 A CN109468663 A CN 109468663A
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- graphite
- kerosene
- anode steel
- steel claw
- anode
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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
Abstract
The invention discloses anode steel claws to dip in graphite system and method.Wherein, anode steel claw dips in graphite system and includes kerosene blowing device and dry dip in graphite cuvette, kerosene blowing device includes blowing slot and at least a pair of of oil sprayer, and blowing slot is suitable for anode steel claw level and slides through, and two in a pair of of oil sprayer are separately positioned in the opposite two side walls of blowing slot；It is dry dip in be equipped in graphite cuvette floating rise cloth and floating rise cloth the dry graphite cuvette that dips in is divided into top graphite room and lower part gas chamber, graphite room is suitable for storage anode steel claw and is connected with blowing slot, after being passed through air in gas chamber, the indoor graphite powder of graphite is in suspended state and is attached to the anode steel claw surface that surface is coated with kerosene.Dipping in graphite using the system, not only kerosene consumption is few, it is high-efficient to dip in graphite, and to smear the kerosene graphite mixed layer uniformly and formed relatively dry for graphite powder on steel pawl, without carry out drying and processing and in casting process be also not on fire or molten iron seethe, explosion phenomenon.
Description
Technical field
The invention belongs to metallurgical technology fields, dip in graphite system and method in particular to anode steel claw.
Background technique
Anode steel claw ferrophosphorus ring casting in metallurgy of aluminium industry production, in prd-baked Al electrolysis anode assembling production process
When, anode steel claw must carry out dipping in graphite operation before assembling with anode block, to improve the electric conductivity between steel pawl and carbon block,
And facilitate the pressure-off again of ferrophosphorus ring.Often mostly use greatly at present it is wet dip in graphite method, i.e., in advance by kerosene and graphite powder by certain
Ratio be mixed to form graphite liquid, then anode steel claw is immersed in graphite liquid and carries out that graphite is wet dips in operation.However, steel pawl dips
After graphite liquid, a large amount of kerosene is adhered on steel pawl surface, is difficult to be completely dried reaching the casting surface post Qian Gangzhao, and when casting meets
Be easy to happen phenomenon on fire to high temperature liquid iron or molten iron seethe, explosion phenomenon, there is only security risks, also result in charcoal bowl
Molten iron is not full and then influences product quality.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is the system and method for proposing that anode steel claw dips in graphite.Graphite system is dipped in using the anode steel claw as a result, and dips in stone
Not only kerosene consumption is few for ink, dips in that graphite is high-efficient, but also the kerosene graphite mixing that the graphite powder on steel pawl is smeared uniformly and formed
Layer is relatively dry, is also not in that on fire or molten iron seethes, explodes now without carrying out drying and processing, and in casting process
As the quality for not only increasing workers ' safety coefficient and product has also obtained effective guarantee.
According to the first aspect of the invention, the invention proposes a kind of anode steel claws to dip in graphite system.According to the present invention
Embodiment, which includes:
Kerosene blowing device, the kerosene blowing device include blowing slot and at least a pair of of oil sprayer, and the blowing slot is suitable
It is slid through in anode steel claw level, two in the pair of oil sprayer are separately positioned on two opposite sides of the blowing slot
On wall, the oil sprayer has compressed air electromagnetic valve and oil thrower, and the oil sprayer is suitable for the sun slid through to level
Pole steel pawl surface sprays kerosene；
It is dry to dip in graphite cuvette, it is described it is dry dip in be equipped in graphite cuvette floating rise cloth and the floating cloth of rising separates the dry graphite cuvette that dips in
For top graphite room and lower part gas chamber, the graphite room is suitable for storing the anode steel claw and is connected with the blowing slot, works as institute
It states after being passed through air in gas chamber, the indoor graphite powder of graphite is in suspended state and is attached to surface and is coated with the described of kerosene
Anode steel claw surface.
Anode steel claw according to the above embodiment of the present invention dips in graphite system, by the way that traditional wet graphite device that dips in be changed to
Kerosene blowing device independently and it is dry dip in graphite cuvette, one layer of kerosene can be formed on the pawl column surface of anode steel claw in advance and applied
Layer, is then attached to the graphite powder of suspended state on kerosene coating, to complete to dip in graphite operation.Specifically, when dipping in stone
The air solenoid valve of oil sprayer is opened when ink request, is taken out of kerosene using compressed air, and anode steel claw passes through in blowing slot
When can form uniform kerosene coating on the pawl column surface of anode steel claw；The dry graphite cuvette that dips in is opened in advance simultaneously to provide to gas chamber
Air, air enter graphite room by floating cloth of rising, and graphite powder forms suspension effect under air effect, good fluidity and uniformly not
It is easy to harden, graphite powder can be made to adhere to when being placed in the anode steel claw for being formed with kerosene coating in the graphite powder in suspended state
On kerosene coating, kerosene graphite mixed layer is formed.Graphite system is dipped in using the anode steel claw as a result, and dips in graphite not only kerosene use
Amount less, dip in that graphite is high-efficient, and relatively dry, the nothing of smearing the kerosene graphite mixed layer uniformly and formed of the graphite powder on steel pawl
Need to carry out drying and processing, and in casting process be also not on fire or molten iron seethe, explosion phenomenon, not only increase duty
The work safety coefficient and quality of product has also obtained effective guarantee.
In addition, anode steel claw according to the above embodiment of the present invention, which dips in graphite system, can also have following additional technology
Feature:
It in some embodiments of the invention, include at least two pairs of oil sprayers along the vertical direction of the blowing slot.By
This can further be conducive to form uniform kerosene coating on the pawl column of anode steel claw.
In some embodiments of the invention, it is located at the oil thrower of the oil sprayer of bottom in the vertical direction apart from institute
The distance for stating anode steel claw bottom surface is 4-6cm.It may thereby be ensured that uniform coal can also be formed at the pawl column lower part in anode steel claw
Oil coating.
It in some embodiments of the invention, include at least two pairs of oil sprayers in the horizontal direction of the blowing slot.By
This may further ensure that can also form uniform kerosene coating in anode steel claw walking process on pawl column.
In some embodiments of the invention, at least two pairs of oil sprayer equidistantly distributeds in the horizontal direction.Thus may be used
To further increase the uniformity of the kerosene coating formed on anode steel pawl column.
In some embodiments of the invention, in the horizontal direction, the oil sprayer nozzle is to the anode steel pawl column
The distance on surface is 10-15cm.It is possible thereby to further increase the uniformity of the kerosene coating formed on anode steel pawl column.
In some embodiments of the invention, the length of the blowing slot is 190-210cm, width 75-95mm.By
This can not only be such that anode steel claw passes through, and can also further be conducive to form uniform coal on the pawl column of anode steel claw
Oil coating.
In some embodiments of the invention, dust collection cover is provided with above the blowing slot.
In some embodiments of the invention, the height of the graphite room is not less than the height of the anode steel claw.Thus
It is possible to prevente effectively from graphite powder is suspended to outside graphite room.
According to the second aspect of the invention, graphite system realization is dipped in using above-mentioned anode steel claw the invention proposes a kind of
The method that anode steel claw dips in graphite.According to an embodiment of the invention, this method comprises:
Blowing trough inner water by anode steel claw in the kerosene blowing device smoothly moves, and using the oil sprayer to described
The pawl column surface of anode steel claw sprays kerosene, to form kerosene coating；
Pre-actuate it is described it is dry dip in graphite cuvette so that the indoor graphite powder of the graphite be in suspended state, will be described in formation
The anode steel claw of kerosene coating is placed in the graphite powder in suspended state and the graphite powder is made to be attached to the kerosene coating
On, form kerosene graphite mixed layer.
The method that anode steel claw according to the above embodiment of the present invention dips in graphite can advance with kerosene blowing device and exist
The pawl column surface of anode steel claw forms one layer of kerosene coating, and the dry graphite cuvette that dips in then is recycled to adhere to the graphite powder of suspended state
To complete to dip in graphite operation on kerosene coating.Using this method, not only kerosene consumption is few, it is high-efficient to dip in graphite, but also on steel pawl
Graphite powder smear uniformly and formed kerosene graphite mixed layer it is relatively dry, without carrying out drying and processing, and casting
Also be not in journey on fire or molten iron seethe, explosion phenomenon, not only increase the quality of workers ' safety coefficient and product
Effective guarantee is obtained.
In some embodiments of the invention, the anode steel claw is in the speed that the blowing trough inner water smoothly moves
0.15-0.25m/s.It is possible thereby to further be conducive to form uniform and moderate thickness kerosene painting on the pawl column of anode steel claw
Layer.
In some embodiments of the invention, the spray pressure of the oil sprayer is 0.3-0.5MPa.It may thereby be ensured that
The phenomenon that forming uniform kerosene coating on anode steel pawl column, and avoiding the occurrence of kerosene sagging.
In some embodiments of the invention, the thickness of the kerosene coating is not more than 0.15mm.Thus can not only make
Enough graphite powders can be loaded on the pawl column of anode steel claw, can also further ensure that in casting process be not in it is on fire or
Molten iron seethes, explosion phenomenon.
In some embodiments of the invention, the supply gas pressure of the gas chamber is 0.05-0.1MPa.Thus can not only make
Graphite powder is in suspended state, can also effectively avoid graphite powder from being suspended to outside graphite room.
In some embodiments of the invention, the kerosene graphite mixed layer with a thickness of 0.15-0.25mm.Thus not only
It can make that there is preferable electric conductivity between anode steel claw and anode block, can also further be conducive to the pressure again of ferrophosphorus ring
It is de-.
In some embodiments of the invention, the graphite powder load capacity of single pawl column is 30-40g on the anode steel claw.
Thus it can not only make that there is preferable electric conductivity between anode steel claw and anode block, can also further be conducive to ferrophosphorus ring
Pressure-off again.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram that anode steel claw according to an embodiment of the invention dips in graphite system.
Fig. 2 is the structural schematic diagram of kerosene blowing device according to an embodiment of the invention.
Fig. 3 is the dry structural schematic diagram for dipping in graphite cuvette according to an embodiment of the invention.
Fig. 4 is the method flow diagram that anode steel claw according to an embodiment of the invention dips in graphite.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
According to the first aspect of the invention, the invention proposes a kind of anode steel claws to dip in graphite system.According to the present invention
Embodiment, as shown in Figure 1, the system includes kerosene blowing device 10 and dry dips in graphite cuvette 20.Wherein, kerosene blowing device 10
It is suitable for 30 level of anode steel claw at least a pair of of oil sprayer 12, blowing slot 11 including blowing slot 11 and slides through, a pair of of oil sprayer
Two in 12 are separately positioned in the opposite two side walls of blowing slot 11, and there is oil sprayer 12 compressed air electromagnetic valve (not show
Out) and oil thrower, oil sprayer 12 are suitable for spraying kerosene to 30 surface of anode steel claw that level slides through；It is dry to dip in graphite cuvette 20
Interior be equipped with floating rise cloth 21 and floating rise cloth 21 the dry graphite cuvette 20 that dips in is divided into top graphite room 22 and lower part gas chamber 23, graphite room 22
It is connected suitable for storage anode steel claw 30 and with blowing slot 11, after being passed through air in gas chamber 23, the graphite powder in graphite room 22 is in
Suspended state is simultaneously attached to 30 surface of anode steel claw that surface is coated with kerosene.
Anode steel claw according to the above embodiment of the present invention dips in graphite system, by the way that traditional wet graphite device that dips in be changed to
Kerosene blowing device 10 independently and it is dry dip in graphite cuvette 20, one layer can be formed on the pawl column surface of anode steel claw 30 in advance
Then kerosene coating is attached to the graphite powder of suspended state on kerosene coating, to complete to dip in graphite operation.Specifically, when
There is the air solenoid valve of oil sprayer 12 when dipping in graphite request to open, is taken out of kerosene using compressed air, anode steel claw 30 is spraying
Blow in slot 11 by when can form uniform kerosene coating on the pawl column surface of anode steel claw 30；It opens in advance simultaneously and dry dips in stone
Ink tank 20 provides air to gas chamber 23, and air enters graphite room 22 by floating cloth 21 of rising, and graphite powder forms outstanding under air effect
Floating effect, good fluidity and uniformly not easy to harden are placed in when by the anode steel claw 30 for being formed with kerosene coating in suspended state
Graphite powder can be made to be attached on kerosene coating when in graphite powder, form kerosene graphite mixed layer.The anode steel claw is used as a result,
It dips in graphite system to dip in graphite not only kerosene consumption is few, dip in that graphite is high-efficient, but also the graphite powder on steel pawl is smeared uniformly and formed
Kerosene graphite mixed layer it is relatively dry, without carrying out drying and processing, and be also not on fire or iron in casting process
Water seethes, explosion phenomenon, and the quality for not only increasing workers ' safety coefficient and product has also obtained effective guarantee.
It dips in graphite system below with reference to the anode steel claw of Fig. 1-3 pairs of the above embodiment of the present invention and is described in detail.
A specific embodiment according to the present invention may include at least two pairs of mist of oils along the vertical direction of blowing slot 11
Device 12.By the way that two pairs of oil sprayers 12 are at least arranged on the vertical direction of blowing slot 11 in the present invention, can further be conducive to
Uniform kerosene coating is formed on the pawl column of anode steel claw 30.Further, it is located at the mist of oil of bottom in the vertical direction
Distance of the oil thrower of device 12 apart from 30 bottom surface of anode steel claw can be 4-6cm, such as can be 5cm, it may thereby be ensured that
Uniform kerosene coating can be also formed in the pawl column lower part of anode steel claw 30.
Another specific embodiment according to the present invention may include at least two pairs of oil in the horizontal direction of blowing slot 11
Day with fog 12.Dipping in graphite system using the anode steel claw of the above embodiment of the present invention can be in anode steel claw walking process to pawl column
Be blown kerosene, the present invention in by blowing slot 11 horizontal direction at least two pairs of oil sprayers 12 are set, can further really
Guarantor can also form uniform kerosene coating in anode steel claw walking process on pawl column.Preferably, along the level of blowing slot 11
It may include that 3 pairs of oil sprayers, 12,3 two pairs of oil sprayers 12 can symmetrically be set in the opposite two side walls of blowing slot 11 on direction
It sets, inventors have found that 3 pairs of oil sprayers 12 of setting can ensure that in anode steel claw walking process in the horizontal direction of blowing slot 11
Also uniform kerosene coating can be formed on pawl column, applied it may thereby be ensured that being capable of forming uniform kerosene on anode steel pawl column
The structure of kerosene blowing device 10 is further simplified on the basis of layer.
Another specific embodiment according to the present invention, at least two pairs of oil sprayers 12 in the horizontal direction of blowing slot 11
It can be with equidistantly distributed.It is possible thereby to further increase the uniformity of the kerosene coating formed on anode steel pawl column.
Another specific embodiment according to the present invention, in the horizontal direction, oil sprayer nozzle to anode steel pawl column table
The distance in face is 10-15cm, such as can be 10cm, 11cm, 12cm, 13cm, 14cm or 15cm etc..Inventors have found that when oil
Rose to anode steel pawl column surface hypertelorism when, be not enough to for kerosene mist of oil being sufficiently blown the pawl to anode steel claw
On column, it is blown low efficiency and kerosene loss is more, and when hypotelorism of the oil sprayer nozzle to anode steel pawl column surface, coal
Oil blowing is excessive to the impact force on anode steel pawl column, and the coating layer thickness of formation of the kerosene on pawl column is unevenly distributed and part
It is easy to appear sagging phenomenon, cannot ensure that the surface of pawl column can form kerosene coating, pass through control oil sprayer spray in the present invention
The distance on mouth to anode steel pawl column surface is 10-15cm, not only may insure to be capable of forming thickness on anode steel pawl column
The phenomenon that uniform kerosene coating is also not in kerosene sagging.
Another specific embodiment according to the present invention, the length for being blown slot 11 can be 190-210cm, such as can be with
195cm, 200cm or 205cm, width can be 75-95mm, such as 80cm, 85cm or 90cm.Pass through control blowing in the present invention
Slot 11 is above-mentioned size, can not only anode steel claw be enable to pass through, can also meet oil sprayer nozzle to anode steel claw
The distance on pawl column surface be 10-15cm, and blowing slot 11 horizontal direction at least two pairs of oil sprayers 12 can be set, thus
It can further be conducive to form uniform kerosene coating on the pawl column of anode steel claw.Further, in the upper of blowing slot 11
Side can be provided with dust collection cover 13, and dust collection cover is equipped with dust-collecting pipe 14, and dust collection cover 13 can be gas gathering mask, inventors have found that
To on anode steel claw 30 with being taken out of kerosene using compressed air when blowing kerosene, the kerosene and compressed air of ejection form mist of oil meeting
Surrounding enviroment are polluted, while because of meeting adhesive dust on anode steel claw 30, fugitive dust can be generated under the action of compressed air and polluted
Surrounding enviroment, and while directly being gathered dust with dust collection device a large amount of kerosene can be attached on the cloth bag of deduster reduces dust collection effect,
By the way that gas gathering mask is arranged in the top of blowing slot in the present invention, mist of oil and dust can be enable to cache and settle, effectively avoided
Pollute ambient enviroment.
Another specific embodiment according to the present invention can use automatic controller control air solenoid valve and open or close
It closes, when dipping in graphite request, stretched wire stopper is opened, and anode rod starts to walk, and automatic controller controls compressed air electricity
Magnet valve is opened, and is taken out of kerosene using compressed air, forms mist of oil spray attachment on steel pawl surface, not only kerosene consumption is few, Er Qiean
Overall height effect.
Another specific embodiment according to the present invention, the height of graphite room 22 can be not less than the height of anode steel claw 30
Degree.Inventors have found that needing stone on the anode steel pawl column for being formed with kerosene coating to enable graphite powder to be uniformly attached to
Ink powder have certain hoverheight, and if the height of graphite room 22 is too low, be easy to be suspended to graphite powder outside graphite room 22, this
It is not less than the height of anode steel claw 30 in invention by the height of control graphite room 22, it is possible to prevente effectively from graphite powder is suspended to stone
Outside ink chamber 22.
Another specific embodiment according to the present invention, anode steel claw, which dips in graphite system, may further include cylinder, gas
Cylinder is connected with the dry graphite cuvette 20 that dips in, and when being brought into graphite room 22 by stretched wire and stopped after anode steel claw 30 has sprayed kerosene, is not necessarily to
Adjust the height of anode steel claw 30, it is dry to dip in graphite cuvette 20 upper movement enable the graphite powder to suspend equal in the presence of cylinder
On the even pawl column surface for being attached to anode steel claw.
According to the second aspect of the invention, graphite system realization is dipped in using above-mentioned anode steel claw the invention proposes a kind of
The method that anode steel claw dips in graphite.According to an embodiment of the invention, as shown in figure 4, this method comprises:
S100: kerosene coating is formed on the pawl column surface of anode steel claw
According to an embodiment of the invention, the blowing trough inner water by anode steel claw in kerosene blowing device smoothly moves, and utilize
Oil sprayer sprays kerosene to the pawl column surface of anode steel claw, to form kerosene coating.Thus, it is possible to be attached to kerosene in advance
On the pawl column of anode steel claw.
A specific embodiment according to the present invention, anode steel claw can be in the speed that blowing trough inner water smoothly moves
0.15-0.25m/s, such as can be 0.18m/s, 0.20m/s, 0.22m/s or 0.24m/s etc..Inventors have found that if anode steel
The excessive velocities that pawl is smoothly moved in blowing trough inner water are difficult to adhere to the pawl column surface of anode steel claw can by kerosene and be formed
Even kerosene coating, and if when anode steel claw be blown the speed smoothly moved of trough inner water it is excessively slow when, and be easy to cause the coal to be formed
Oil coating is blocked up, cannot ensure to form the kerosene graphite mixed layer of relatively dry after thus adsorbing graphite powder, it is difficult to effectively avoid
In casting process on fire or molten iron seethe, explode cause security risk.By control anode steel claw in blowing slot in the present invention
The speed of interior horizontal sliding is 0.15-0.25m/s, and uniform and moderate thickness coal can be formed on the pawl column surface of anode steel claw
Oil coating, and then can further be conducive to the kerosene that graphite powder is uniformly attached on anode steel pawl column and forms relatively dry
Graphite mixed layer.Preferably, anode steel claw can be 0.20m/s in the speed that blowing trough inner water smoothly moves, it is possible thereby into one
Step is conducive to form uniform and moderate thickness kerosene coating on the pawl column surface of anode steel claw.
Another specific embodiment according to the present invention, the spray pressure of oil sprayer can be 0.3-0.5MPa, such as can
Think 0.35MPa, 0.4MPa or 0.45MPa etc..Inventors have found that being insufficient to allow kerosene if the spray pressure of oil sprayer is too small
It forms uniform mist of oil and is blown mist of oil sufficiently onto the pawl column of anode steel claw, be blown low efficiency and kerosene loss is more, and
The spray pressure of oil sprayer is excessive, and kerosene is blown, kerosene shape on pawl column also larger to the impact force on anode steel pawl column
At coating layer thickness be unevenly distributed and part be easy to appear sagging phenomenon, cannot ensure the surface of pawl column can be formed kerosene painting
Layer, by controlling the spray pressure of oil sprayer as 0.3-0.5MPa in the present invention, it can be ensured that formed on anode steel pawl column
Uniform kerosene coating, and the phenomenon that avoid the occurrence of kerosene sagging.
Another specific embodiment according to the present invention, the thickness of kerosene coating can be for no more than 0.15mm, such as can
Think no more than 0.1mm, 0.1mm, 0.12mm or 0.14mm etc..Inventors have found that adsorbing stone if the thickness of kerosene coating is excessive
It cannot ensure to form the kerosene graphite mixed layer of relatively dry after ink powder, it is difficult to effectively on fire in casting process or molten iron be avoided to turn over
It rises, the security risk caused of exploding, and if the thickness of kerosene coating is too small, the graphite powder adhered on the pawl column of anode steel claw
It is very few, the electric conductivity between steel pawl and carbon block is not only influenced, the pressure-off again of ferrophosphorus ring is also unfavorable for.Pass through control in the present invention
The thickness of kerosene coating is not more than 0.15mm, can not only make that enough graphite powders can be loaded on the pawl column of anode steel claw, also
May further ensure that in casting process be not on fire or molten iron seethe, explosion phenomenon, guarantee the product matter of anode casting
Amount.Further, the thickness of kerosene coating can be not more than 0.1mm, thus be placed in when by the anode steel claw for forming kerosene coating
When in the graphite powder of suspended state, since the adsorptivity of graphite is stronger, can not only graphite powder be made to be stably adhered to kerosene
On coating and uniform and relatively dry kerosene graphite mixed layer is formed, the kerosene graphite mixed layer being subsequently formed can also be made
Thickness reaches 0.15-0.25mm, to not only can be further improved the utilization rate of graphite powder, ensure to go out in casting process
Existing on fire or molten iron seethes, explosion phenomenon, guarantees the product quality of anode casting, also helps the pressure-off again of ferrophosphorus ring.
S200: make to be attached on kerosene coating in the graphite powder of suspended state
According to an embodiment of the invention, pre-actuate it is dry dip in graphite cuvette so that the indoor graphite powder of graphite be in suspended state,
The anode steel claw for forming kerosene coating is placed in the graphite powder in suspended state and graphite powder is attached on kerosene coating,
Form kerosene graphite mixed layer.It is possible thereby to which graphite powder is enable to be uniformly adhered on the pawl column of anode steel claw, and form phase
To dry kerosene graphite mixed layer.
The supply gas pressure of a specific embodiment according to the present invention, gas chamber can be 0.05-0.1MPa, such as can be
0.05MPa, 0.06MPa, 0.07MPa, 0.08MPa, 0.09MPa or 0.1MPa.By control gas chamber for air pressure in the present invention
Power is 0.05-0.1MPa, can not only make graphite powder in suspended state, can also effectively avoid causing since throughput is excessive
Graphite powder is suspended to the phenomenon that outside graphite room.
Another specific embodiment according to the present invention, the thickness of kerosene graphite mixed layer can be 0.15-0.25mm, example
It such as can be 0.18mm, 0.2mm, 0.22mm or 0.24mm.Inventors have found that if the thickness of kerosene graphite mixed layer is excessively thin,
Will cause Ferropho hours ring pressure-disengaging difficulty, and if the thickness of kerosene graphite mixed layer is blocked up, not only result in graphite waste, can also be to rear
Continuous anode casting causes casting pressure drop to increase.In the present invention by control, kerosene graphite mixed layer with a thickness of 0.15-
0.25mm, not only can be further improved the utilization rate of graphite powder, ensure be not on fire in casting process or molten iron seethe,
Explosion phenomenon guarantees the product quality of anode casting, is also further conducive to the pressure-off again of ferrophosphorus ring.Preferably, kerosene stone
The thickness of black mixed layer can be 0.2mm, it is possible thereby to further ensure that the product quality of anode casting and be conducive to ferrophosphorus ring
Pressure-off again.
Another specific embodiment according to the present invention, the graphite powder load capacity of single pawl column can be on anode steel claw
30-40g, such as can be with 30g, 31g, 32g, 33g, 34g, 35g, 36g, 37g, 38g or 39g etc., for another example the specific gravity of graphite powder
About 1.9-2.3, the graphite powder load capacity of single pawl column can be 33g on anode steel claw, with anode steel claw there are 4 pawl columns to be
Example, the graphite powder load capacity of each anode steel claw is about 132g.Inventors have found that if on anode steel claw single pawl column graphite powder
Load capacity is very few, is unfavorable for the pressure-off again of ferrophosphorus ring, and when the graphite powder load capacity of pawl column single on anode steel claw is excessive,
Graphite waste is not only resulted in, casting pressure drop can also be caused to increase to subsequent anode casting.Pass through control anode steel in the present invention
The graphite powder load capacity of single pawl column is 30-40g on pawl, can not only make to have between pole steel pawl and anode block and preferably lead
Electrically, the pressure-off again of ferrophosphorus ring can also be further conducive to.
The method that anode steel claw according to the above embodiment of the present invention dips in graphite can advance with kerosene blowing device and exist
The pawl column surface of anode steel claw forms one layer of kerosene coating, and the dry graphite cuvette that dips in then is recycled to adhere to the graphite powder of suspended state
To complete to dip in graphite operation on kerosene coating.Using this method, not only kerosene consumption is few, it is high-efficient to dip in graphite as a result, but also
It is relatively dry that graphite powder on steel pawl smears the kerosene graphite mixed layer uniformly and formed, without carrying out drying and processing, and
Also be not in casting process on fire or molten iron seethe, explosion phenomenon, not only increase workers ' safety coefficient and product
Quality has also obtained effective guarantee.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
It can be combined in any suitable manner in a or multiple embodiment or examples.In addition, without conflicting with each other, the technology of this field
The feature of different embodiments or examples described in this specification and different embodiments or examples can be combined by personnel
And combination.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of anode steel claw dips in graphite system characterized by comprising
Kerosene blowing device, the kerosene blowing device include blowing slot and at least a pair of of oil sprayer, and the blowing slot is suitable for sun
Pole steel pawl level slides through, and two in the pair of oil sprayer are separately positioned on the opposite two side walls of the blowing slot
On, the oil sprayer has compressed air electromagnetic valve and oil thrower, and the oil sprayer is suitable for the anode slid through to level
Steel pawl surface sprays kerosene；
It is dry to dip in graphite cuvette, it is described it is dry dip in be equipped in graphite cuvette floating rise cloth and the floating cloth of rising dry dips in described on graphite cuvette is divided into
Portion graphite room and lower part gas chamber, the graphite room is suitable for storing the anode steel claw and is connected with the blowing slot, when the gas
After interior is passed through air, the indoor graphite powder of graphite is in suspended state and is attached to the anode that surface is coated with kerosene
Steel pawl surface.
2. system according to claim 1, which is characterized in that including at least two pairs along the vertical direction of the blowing slot
Oil sprayer,
Optionally, it is located at distance of the oil thrower of the oil sprayer of bottom apart from the anode steel claw bottom surface in the vertical direction
For 4-6cm.
3. system according to claim 1 or 2, which is characterized in that including at least in the horizontal direction of the blowing slot
Two pairs of oil sprayers,
Optionally, at least two pairs of oil sprayer equidistantly distributeds in the horizontal direction,
Optionally, in the horizontal direction, the distance on the oil sprayer nozzle to anode steel pawl column surface is 10-15cm.
4. system according to claim 3, which is characterized in that the length of the blowing slot is 190-210cm, and width is
75-95mm。
5. system according to claim 4, which is characterized in that be provided with dust collection cover above the blowing slot.
6. system according to claim 5, which is characterized in that the height of the graphite room is not less than the anode steel claw
Highly.
7. a kind of method for realizing that anode steel claw dips in graphite using system described in any one of claims 1-6, which is characterized in that
Include:
Blowing trough inner water by anode steel claw in the kerosene blowing device smoothly moves, and utilizes the oil sprayer to the anode
The pawl column surface of steel pawl sprays kerosene, to form kerosene coating；
Pre-actuate it is described it is dry dip in graphite cuvette so that the indoor graphite powder of the graphite be in suspended state, the kerosene will be formed
The anode steel claw of coating is placed in the graphite powder in suspended state and the graphite powder is attached on the kerosene coating, shape
Coal-forming oilstone ink mixed layer.
8. the method according to the description of claim 7 is characterized in that the anode steel claw was smoothly moved in the blowing trough inner water
Speed is 0.15-0.25m/s,
Optionally, the spray pressure of the oil sprayer is 0.3-0.5MPa,
Optionally, the thickness of the kerosene coating is not more than 0.15mm.
9. the method according to the description of claim 7 is characterized in that the supply gas pressure of the gas chamber be 0.05-0.1MPa,
Optionally, the thickness 0.15-0.25mm of the kerosene graphite mixed layer.
10. according to the described in any item methods of claim 7-9, which is characterized in that the stone of single pawl column on the anode steel claw
Ink powder load capacity is 30-40g.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811612696.8A CN109468663B (en) | 2018-12-27 | 2018-12-27 | Anode steel claw graphite dipping system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811612696.8A CN109468663B (en) | 2018-12-27 | 2018-12-27 | Anode steel claw graphite dipping system and method |
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| CN109468663A true CN109468663A (en) | 2019-03-15 |
| CN109468663B CN109468663B (en) | 2021-06-08 |
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| CN1974862A (en) * | 2006-12-08 | 2007-06-06 | 中国铝业股份有限公司 | Process of dipping graphite onto anode steel pawl |
| CN202356220U (en) * | 2011-10-30 | 2012-08-01 | 湖南晟通科技集团有限公司 | Spray coating device for anode steel jaw graphite paste |
| CN103084315A (en) * | 2011-10-30 | 2013-05-08 | 湖南晟通科技集团有限公司 | Graphite paste spray material of anode steel claw and spraying method of graphite paste sprayer |
| CN203754824U (en) * | 2013-12-27 | 2014-08-06 | 湖南创元新材料有限公司 | Device for dry-dipping graphite through anode steel claw |
| CN105671593A (en) * | 2016-04-05 | 2016-06-15 | 内蒙古风光源节能环保科技有限公司 | Full-automatic steel claw dry powder and liquid atomization and absorption integrated machine |
| CN205803616U (en) * | 2016-04-05 | 2016-12-14 | 内蒙古风光源节能环保科技有限公司 | A kind of full-automatic steel pawl dips in powder liquid atomization adsorption machine |
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|---|---|---|---|---|
| CN1974862A (en) * | 2006-12-08 | 2007-06-06 | 中国铝业股份有限公司 | Process of dipping graphite onto anode steel pawl |
| CN202356220U (en) * | 2011-10-30 | 2012-08-01 | 湖南晟通科技集团有限公司 | Spray coating device for anode steel jaw graphite paste |
| CN103084315A (en) * | 2011-10-30 | 2013-05-08 | 湖南晟通科技集团有限公司 | Graphite paste spray material of anode steel claw and spraying method of graphite paste sprayer |
| CN203754824U (en) * | 2013-12-27 | 2014-08-06 | 湖南创元新材料有限公司 | Device for dry-dipping graphite through anode steel claw |
| CN105671593A (en) * | 2016-04-05 | 2016-06-15 | 内蒙古风光源节能环保科技有限公司 | Full-automatic steel claw dry powder and liquid atomization and absorption integrated machine |
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| CN109468663B (en) | 2021-06-08 |
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