CN103000897B - Method and device for removing fragments in electrode material - Google Patents
Method and device for removing fragments in electrode material Download PDFInfo
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- CN103000897B CN103000897B CN201210539401.5A CN201210539401A CN103000897B CN 103000897 B CN103000897 B CN 103000897B CN 201210539401 A CN201210539401 A CN 201210539401A CN 103000897 B CN103000897 B CN 103000897B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention provides a method and a device for removing fragments in an electrode material, which fills the blank of a special device and method for washing electrode materials in the prior art. The method comprises the following steps of: suspending the electrode material in a water tank; supplying circulating water to the water tank; and filtering the fragments in the circulating water by a filter. The device comprises a water tank, a suspension device and a circulating pump, wherein at least one water inlet is formed in the wall of the water tank or a water tank cover, and at least one water outlet is formed in the bottom of the water tank; the suspension device is arranged in the water tank and is used for suspending the electrode material in the water tank; and the circulating pump is used for circulating washing water. The method and the device have an obvious fragment removing effect, do not cause damages to the electrode material, can be used for processing electrode materials with different sizes synchronously so as to achieve mass processing, and are simple to operate.
Description
Technical field
The present invention relates to a kind of auxiliary equipment and production method of producing secondary cell, be specifically related to a kind of method and apparatus removing the chip of electrode material (normally carbon felt and graphite felt).
Background technology
Secondary cell, such as, often use carbon felt or graphite felt as electrode material in zinc-bromine flow battery, all-vanadium flow battery, this comes from conductivity, non-oxidizability, high activity and mechanical strength that graphite felt/carbon felt is good.Carbon felt normally adopts polyacrylonitrile-based precursor (filament) to become felt through acupuncture, then obtains through pre-oxidation, carbonization.If further across graphitizing process, then obtain graphite felt.
Graphite felt/carbon felt is in carbonization and graphitizing process, and filament experience high-temperature process, mechanical strength can be deteriorated, or even filament damage, therefore occurs falling felt bits phenomenon.When cutting graphite felt or carbon felt, filametntary fracture can be caused, also cause falling bits serious.Felt bits have considerable influence to the performance of secondary cell, and with regard to all-vanadium flow battery, on the one hand, the gathering of felt bits can cause the runner of all-vanadium flow battery inside to block, and causes liquid stream not smooth, thus battery performance is sharply worsened, even cause battery to scrap; On the other hand, the anode electrolyte of all-vanadium flow battery is the vanadium ion of tetravalence and pentavalent, pentavalent vanadium ion is unstable when high temperature, easily there is crystallization, electrolyte liquid is the vanadium ion of divalence and trivalent, electrolyte liquid is also easily separated out when low temperature, and there are more felt bits in battery will become crystal seed, accelerates the crystallization of electrolyte.Therefore graphite felt/carbon felt is removed felt bits and is become particularly important before assembling battery.
The existing method except carbon elimination felt/graphite felt adsorbs debris removal with dust catcher after cutting electrode material, and this method is not only difficult to ensure that absorption is clean completely, and easily makes chip in atmosphere floating, to environment and workman's actual bodily harm larger.For vanadium cell; usually also at electrolyte fluid reservoir inlet, filter being housed carrys out filter debris etc.; this kind of chip method is still difficult to thoroughly remove the chip being trapped in inside battery; this chip can be adsorbed on electrode material surface; form small crystal seed, cause the precipitation of vanadium, in addition because crumb size is very little; the micropore filter cloth adopted when filtering can cause electrolyte stream filter cloth speed very slow, thus affects battery performance.
Prior art still needs to propose the chip that convenient, reliable method removes the carbon felt/graphite felt as electrode material, enters secondary cell inside, reduce battery performance to stop electrode material chip.
Smooth and easy in order to ensure the equilibrium of pile internal liquid, usually on inside or frame, design runner and solve this problem, so the not blocked stable operation to battery of all even runner of Flow Field Distribution is most important.Electrode material is as one of the critical material of all-vanadium flow battery, although do not react in all-vanadium flow battery, as the place that vanadium ion reacts, the charge-discharge performance tool of quality to all-vanadium flow battery of its performance has a great impact.
Summary of the invention
The object of this invention is to provide a kind of method and apparatus removing electrode material chip, for filling up in prior art the blank not being exclusively used in washing electrode material.
Method for removing electrode material chip of the present invention comprises: be suspended in tank by described electrode material; Recirculated water is provided to described tank; And by the chip in a filtration devices recirculated water.
The method may further include and arrange disturbance device in described tank, with electrode material described in disturbance or current.
In a kind of embodiment, electrode material is supported on a web plate be horizontally set in described tank.
When the undersized electrode material of process polylith, tank can be divided into multiple subregion with porous riser, electrode material is vertically placed in the plurality of subregion.
In a kind of optimal way, a rotatable levitation device is set in described tank, described electrode material is suspended in described tank, then rotates described levitation device, accelerate the flow velocity of aqueous phase for electrode material surface.
Device for removing electrode material chip of the present invention comprises: tank, and flume wall or sink cover arrange at least one water inlet, arranges at least one delivery port at bottom of gullet; Levitation device, is located in described tank, for being suspended in by electrode material in described tank; Circulating pump, for circulation cleaning water.
Described levitation device is a web plate arranged near bottom of gullet.Preferably comprise some detachable risers further, described tank is divided into some regions, and described riser is loose structure.
This device may further include trough rack.Supporting plate or the bracket of described trough rack preferably have inclination angle, make described tank be placed in above in the inclination of respective angles; Or the supporting plate of described trough rack or bracket, for being horizontally disposed with, realize the inclination of tank by the cushion block provided in addition.
In another embodiment, described whirligig is a rotatable mesh container, and this mesh container is divided into multiple subregion by multiple Web materials.
Further, described mesh container is become some subregions by multiple circumferential support wall vertical separation, or is separated into sandwich construction by the grid of multiple horizontal arrangement.
The present invention removes electrode material chip before a battery is assembled, devise the device removing electrode material chip and the method removing electrode material chip with recirculated water as carrier, these apparatus and method remove the successful of chip, not lesion electrode material, can synchronously process different size electrode material, realize the mass process of electrode material, simple to operate, the feature such as treatment effect good, processing method environmental protection.
Accompanying drawing explanation
The a part of accompanying drawing forming the application is used to provide a further understanding of the present invention, in figure, the parts of identical function specification are with same numerical reference, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.
Fig. 1 illustrates the schematic diagram according to tank in the present invention's chip removing device;
Fig. 2 illustrate with the tank in Fig. 1 with the use of trough rack.
Fig. 3 is the effect schematic diagram that the tank of an embodiment and trough rack are assembled together.
Fig. 4 is the schematic diagram for a kind of levitation device of the present invention.
Embodiment
Fig. 1 illustrates the schematic diagram according to tank in the present invention's chip removing device.Tank 1 is provided with web plate 11 near bottom, and web plate 11 is supported on the base plate of tank by some cushion blocks 12.Web plate 11 is porous plates, and porous is wherein to allow washings (normally distilled water or deionized water) pass through.Obviously, web plate 11 can also be a wire netting, as long as it has required intensity and rigidity.Web plate 11, as the device of support electrode material, makes electrode material (below for carbon felt) " to suspend " in the sink.The distilled water or the deionized water that make to flow through Carbon felt surface downwards through this web plate, can be flowed out by the delivery port of lower water.In this article, refer to this support carbon felt with term " levitation device ", all fully contact with circulating water to make this carbon felt surrounding mechanism.This mechanism can be made up of some parts, also can be only parts itself, such as above-mentioned web plate 11.Water inlet 15 is arranged on tank sidewall, provides recirculated water to tank.The mouth of a river 16 is set out at tank base plate or on the sidewall of base plate.
The riser 13 of two right-angled intersections is also shown in Fig. 1, and riser 13 is dismountable.Comparatively large in monolithic carbon felt size, when needing to occupy whole tank base areas, riser 13 can be removed, carbon felt is laid on web plate 11.Less in carbon felt size, can load onto riser 13, be laid in by carbon felt in each divided zonule, riser plays backstop action, and anti-blocking felt is travelling in tank.When needs process more small size carbon felt, the quantity of riser can be increased, such as, by the multiple draw-in grooves 14 shown in Fig. 1, multiple riser is arranged in tank 1.In this case, carbon felt is divided to be placed in each little lattice, and relies on vertically on riser.Each little lattice can put one or two carbon felt.Riser 13 has multiple gap, passes to allow circulating water.In modified example, riser is porous plate, or silk screen, and the size of mesh will be enough to allow chip pass through.
Fig. 2 illustrate with above-mentioned tank with the use of trough rack 2.This trough rack 2 can comprise Multi-layer bracket, holds up above-mentioned tank 1.As optimal way, every layer of bracket has certain inclination angle, and make to be placed in tank above with this oblique angle, the water be conducive to like this in groove flows out fast.The incline direction of the bracket of adjacent layer can be contrary, to make the stress balance of whole trough rack.As modified example, bracket can be horizontally disposed with, only tank side need be paved certain altitude in use.Fig. 3 illustrates that a trough rack 2 supports the schematic diagram of two tanks 1, and showing two tanks in figure all has to a certain degree to tilt, and incline direction is contrary.When placing tank, outlet pipe 17 is made to be in lower side, position.
The quantity of water inlet 15 and position can adjust accordingly according to the general layout of the detachable riser be equipped with for tank.Preferably be arranged in equably on a sidewall.Such as, after installing all risers, usual tank is divided into some long and narrow communities, at this moment, preferably water inlet is set on the flume wall of one end, each long and narrow community, like this, in each community, all there is the disturbance of current, be conducive to chip and come off from Carbon felt surface and be flushed away.Easy understand, each water inlet provides certain hydraulic pressure preferably by a nozzle.In a better execution mode, in water spray process, these nozzles can interval or change direction continuously, with the flowing water in more effectively disturbance carbon felt or groove, can improve the efficiency of debris removal like this.
In another embodiment, levitation device can be arranged to rotatable pattern, make the carbon felt being placed in levitation device relative to water sport, allow water wash away carbon felt, take away chip.As an example, as shown in Figure 4, this levitation device is a circular mesh container, and arrange some netted circular supporting walls 18 with concentric circles in this embodiment, the annular space between each circular supporting wall 18 is for arranging carbon felt.For stoping carbon felt to move in each annular space, after placement carbon felt, stop part can be placed between carbon felt, such as block, netted barrier.Distance between supporting wall can be 3 to 10 times of carbon felt thickness, is preferably 3 to 5 times, so both ensures flowing water smooth outflow between carbon felt, makes again carbon felt arrange and has rational density, improve batch processing amount.Can arrange a rotating shaft (not shown) at this bulge center, this rotating shaft is supported on tank base plate.This rotating shaft can be driven in many ways, rotate to drive this levitation device.Such as, handle can be set in rotating shaft upper end, to allow manually to shake this levitation device.This rotating shaft can also be connected with the electromechanics be located at outside tank.Like this, this motor can drive the rotation of this levitation device.When rotated, the water in tank does relative movement to carbon felt, and water washes away Carbon felt surface, obtains high detersive efficiency.
As a kind of modified example of embodiment the last period, the levitation device of this rotatable pattern also can be other shapes, such as square mesh container.This mesh container also can be separated into sandwich construction by the grid of multiple horizontal arrangement, for multiple electrode material that tiles.
Also need in the apparatus of the present to comprise a filter, it is a filter screen normally, is arranged on circulation stream, such as, be arranged on outlet pipe 17 place of tank, or be arranged on the import department of aqua storage tank (not shown).
The invention still further relates to the method for the chip of clearing electrode material, the method comprises the following steps: 1) be suspended in tank by described electrode material; 2) circulating distilled water is provided to described tank; 3) by the chip in a filtration devices circulating distilled water.
In a kind of embodiment, be supported in by electrode material on a web plate, this web plate is horizontally disposed with in the sink.Like this, current, through electrode material surface, take away chip wherein.Preferably, when the undersized electrode material of process polylith, tank is divided into multiple subregion with porous riser, electrode material is vertically placed in the plurality of subregion.
Further preferably, can current in disturbance tank, to improve the flow velocity of current relative to electrode material, improve detersive efficiency.
In another embodiment, a rotatable levitation device is set in tank, electrode material is suspended in the sink, then rotates this levitation device, accelerate the flow velocity of aqueous phase for electrode material surface.
The explanation of embodiment above discloses general features of the present invention fully, so that other people are easily embody rule by existing knowledge and adjust and/or adaptations to these embodiments, these all do not depart from scope of the present invention, and therefore these adjust and revise the equivalent replacement that be considered as execution mode disclosed in the present invention.
Claims (10)
1. remove a method for electrode of liquid flow cell material chips, it is characterized in that, comprise following operation:
Described electrode material is suspended in a tank,
There is provided recirculated water to above-mentioned tank, make this recirculated water flow through described electrode material surface,
By the chip in a filtration devices recirculated water.
2. the method for claim 1, wherein electrode material is supported on a web plate be horizontally set in described tank.
3., the method for claim 1, wherein when the undersized electrode material of process polylith, tank is divided into multiple subregion with porous riser, electrode material is vertically placed in the plurality of subregion.
4. the method for claim 1, wherein a rotatable levitation device is set in described tank, described electrode material is suspended in described tank, then rotates described levitation device, accelerate the flow velocity of aqueous phase for electrode material surface.
5. remove a device for electrode of liquid flow cell material chips, it is characterized in that comprising:
Tank, flume wall or sink cover arrange at least one water inlet, arrange at least one delivery port at bottom of gullet;
Levitation device, is located in described tank, for being suspended in by electrode material in described tank;
Circulating pump, for providing the circulation cleaning water of flowing under in working order in described tank;
Filter, it is a filter screen, is arranged on circulation stream;
Trough rack, supporting plate or the bracket of described trough rack have inclination angle, make described tank be placed in above in the inclination of respective angles; Or the supporting plate of described trough rack or bracket, for being horizontally disposed with, realize the inclination of tank by the cushion block provided in addition.
6. device as claimed in claim 5, wherein, described levitation device is a web plate arranged near bottom of gullet.
7. device as claimed in claim 6, wherein, described levitation device comprises some detachable risers further, and described tank is divided into some regions, and described riser is loose structure.
8. device as claimed in claim 5, wherein, described levitation device is a rotatable mesh container, and this mesh container is divided into multiple subregion by multiple Web materials.
9. device as claimed in claim 8, wherein, described mesh container is become some subregions by multiple circumferential support wall vertical separation.
10. device as claimed in claim 8, wherein, described mesh container is separated into sandwich construction by the grid of multiple horizontal arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210539401.5A CN103000897B (en) | 2012-12-12 | 2012-12-12 | Method and device for removing fragments in electrode material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210539401.5A CN103000897B (en) | 2012-12-12 | 2012-12-12 | Method and device for removing fragments in electrode material |
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| Publication Number | Publication Date |
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| CN103000897A CN103000897A (en) | 2013-03-27 |
| CN103000897B true CN103000897B (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210539401.5A Active CN103000897B (en) | 2012-12-12 | 2012-12-12 | Method and device for removing fragments in electrode material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111244489B (en) * | 2018-11-28 | 2020-12-15 | 中国科学院大连化学物理研究所 | Application of electrode material in zinc-bromine single flow battery |
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| CN100545321C (en) * | 2007-11-05 | 2009-09-30 | 攀钢集团攀枝花钢铁研究院 | Graphite felt surface modification method and modified graphite felt |
| CN101465417B (en) * | 2007-12-19 | 2010-07-28 | 中国科学院金属研究所 | Electrochemical treatment method for improving vanadium cell electrode material activity |
| CN101859903B (en) * | 2010-06-11 | 2012-09-05 | 大力电工襄阳股份有限公司 | Carbon electrode material treating agent and method for treating electrode materials by using same |
| CN202365660U (en) * | 2011-12-23 | 2012-08-08 | 李岩 | Hand-operated vegetable washer |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2648986Y (en) * | 2003-08-01 | 2004-10-20 | 黄兆山 | Rotary vegetable-washing machine |
| CN201831731U (en) * | 2010-09-27 | 2011-05-18 | 张卫 | Impeller type vegetable washing device |
| CN102353130A (en) * | 2011-11-11 | 2012-02-15 | 天加空调（天津）有限公司 | Draining disk and air conditioning draining disk assembly for constituting supporting base |
| CN102522569A (en) * | 2011-12-21 | 2012-06-27 | 东方电气集团东方汽轮机有限公司 | Method for modifying carbon porous material |
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| CN103000897A (en) | 2013-03-27 |
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Effective date of registration: 20230519 Address after: No. 100 Dali Avenue, High tech Development Zone, Xiangyang City, Hubei Province, 441000 Patentee after: Dali energy storage Hubei Co.,Ltd. Address before: 441003 HangYu Road, hi tech Industrial Park, Xiangyang, Xiangfan, Hubei 5 Patentee before: BIG PAWER ELECTRICAL TECHNOLOGY XIANGYANG Co.,Ltd. |
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