CN103000897A - 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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- CN103000897A CN103000897A CN2012105394015A CN201210539401A CN103000897A CN 103000897 A CN103000897 A CN 103000897A CN 2012105394015 A CN2012105394015 A CN 2012105394015A CN 201210539401 A CN201210539401 A CN 201210539401A CN 103000897 A CN103000897 A CN 103000897A
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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 the method and apparatus of the chip of a kind of removal electrode material (normally carbon felt and graphite felt).
Background technology
Secondary cell for example often uses carbon felt or graphite felt as electrode material in zinc bromine flow battery, the all-vanadium flow battery, this comes from conductivity, non-oxidizability, high activity and mechanical strength that graphite felt/the carbon felt is good.The carbon felt normally adopts polyacrylonitrile-based precursor (filament) to become felt through acupuncture, obtains through pre-oxidation, carbonization again.If further pass through graphitizing process, then obtain graphite felt.
Graphite felt/carbon felt is in through carbonization and graphitizing process, and filament experiences high-temperature process, and therefore felt bits phenomenon appears falling in mechanical strength meeting variation, or even filament damage.When cutting graphite felt or carbon felt, can cause filametntary fracture, also cause falling bits serious.The 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 stop up, and causes liquid stream not smooth, thereby 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, crystallization appears easily, negative pole electrolyte is the vanadium ion of divalence and trivalent, negative pole electrolyte is also separated out when low temperature easily, exists more felt bits will become crystal seed in the battery, has accelerated the crystallization of electrolyte.Therefore graphite felt/carbon felt is removed the felt bits and is become particularly important before the assembling battery.
Existing method except carbon elimination felt/graphite felt is to adsorb debris removal with dust catcher behind the cutting electrode material, and this method is difficult to not only guarantee that absorption is clean fully, and chip is swum in the air, and is larger to environment and workman's actual bodily harm.For vanadium cell; usually also at electrolyte fluid reservoir inlet filter is housed and comes filter debris etc.; this kind chip method still is difficult to thoroughly remove the chip that is trapped in inside battery; this chip can be adsorbed on electrode material surface; form small crystal seed, cause separating out of vanadium, in addition because crumb size is very little; the micropore filter cloth that adopts when filtering can cause electrolyte stream filter cloth speed very slow, thereby affects battery performance.
Prior art still need propose conveniently, method is removed the chip as the carbon felt/graphite felt of electrode material reliably, enters secondary cell inside to stop the electrode material chip, reduces battery performance.
Balanced smooth and easy in order to guarantee the inner liquid stream of pile, usually in inside or frame design runner solve this problem, so all the not blocked stable operation to battery of even runner is most important for Flow Field Distribution.Electrode material is as one of critical material of all-vanadium flow battery, although do not react in all-vanadium flow battery, as the place that vanadium ion reacts, the quality of its performance has a great impact the charge-discharge performance tool of all-vanadium flow battery.
Summary of the invention
The purpose of this invention is to provide a kind of method and apparatus of removing the electrode material chip, be used for filling up the blank that prior art is not exclusively used in the washing electrode material.
Method for removing the electrode material chip of the present invention comprises: described electrode material is suspended in tank; Provide recirculated water to described tank; And by the chip in the filter filtration cycle water.
The method may further include in described tank disturbance device is set, with the described electrode material of disturbance or current.
In a kind of embodiment, electrode material is supported on the web plate that is horizontally set in the described tank.
When processing the undersized electrode material of polylith, tank can be divided into a plurality of subregions with the porous riser, electrode material vertically is placed in these a plurality of subregions.
In a kind of optimal way, a rotatable levitation device is set in described tank, described electrode material is suspended in the described tank, then rotate described levitation device, accelerate water for the flow velocity of electrode material surface.
Device be used to removing the electrode material chip of the present invention comprises: tank, at flume wall or sink cover at least one water inlet is set, and at bottom of gullet at least one delivery port is set; Levitation device is located in the described tank, is used for electrode material is suspended in described tank; Circulating pump is used for the circulation cleaning water.
Described levitation device is a web plate that arranges near bottom of gullet.Preferably further comprise some detachable risers, described tank is divided into some zones, described riser is loose structure.
This device may further include trough rack.The supporting plate of described trough rack or carriage preferably have the inclination angle, so that described tank is the inclination of respective angles above placing; Perhaps, the supporting plate of described trough rack or carriage are realized the inclination of tank for being horizontally disposed with by the cushion block that provides in addition.
In another embodiment, described whirligig is a rotatable netted container, and this netted container is divided into a plurality of subregions by a plurality of Web materials.
Further, described netted container vertically is separated into some subregions by a plurality of circumferential support wall, perhaps is separated into sandwich construction by the grid of a plurality of horizontal arrangement.
The present invention removed the electrode material chip before the assembling battery, designed the method for removing the device of electrode material chip and removing the electrode material chip with recirculated water as carrier, these apparatus and method are removed the successful of chip, lesion electrode material not, can process synchronously the different size electrode material, realize the mass processing of electrode material, simple to operate, the characteristics such as treatment effect good, processing method environmental protection.
Description of drawings
The a part of accompanying drawing that consists of the application is used to provide a further understanding of the present invention, the parts of identical function specification are with same numerical reference among the figure, illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.
Fig. 1 illustrates according to the present invention the schematic diagram of tank in the chip removing device;
Fig. 2 illustrate with Fig. 1 in the trough rack that is used of tank.
Fig. 3 is the tank of an embodiment and the effect schematic diagram that trough rack is assembled together.
Fig. 4 is the schematic diagram for a kind of levitation device of the present invention.
Embodiment
Fig. 1 illustrates according to the present invention the schematic diagram of tank in the chip removing device.Tank 1 is provided with web plate 11 near the 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 wherein is in order 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 is as the device of support electrode material, so that electrode material (following take the carbon felt as example) can " suspend " in tank.The distilled water of Carbon felt surface or deionized water can see through this web plate downwards so that flow through, by the delivery port outflow of lower water.In this article, refer to this support carbon felt with term " levitation device " so that this carbon felt around all with circulating water fully contact mechanism.This mechanism can be made of some parts, also can only be parts itself, for example above-mentioned web plate 11.Water inlet 15 is arranged on the tank sidewall, provides recirculated water to tank.Sidewall at tank base plate or close base plate sets out the mouth of a river 16.
The riser 13 of two right-angled intersections also is shown among Fig. 1, and riser 13 is dismountable.Larger in monolithic carbon felt size, in the time of need to occupying whole tank base areas, riser 13 can be removed, the carbon felt is tiled on the web plate 11.Less in carbon felt size, can load onto riser 13, the carbon felt is tiled in each divided zonule, riser plays backstop action, and anti-blocking felt moves about in tank.When needs are processed more small size carbon felt, can increase the quantity of riser, for example, a plurality of draw-in grooves 14 by shown in Fig. 1 are installed in a plurality of risers in the tank 1.In this case, the carbon felt is divided to be placed in each little lattice, and relies on the riser vertically.Each little lattice can be put one or two carbon felt.Riser 13 has a plurality of gap, to allow circulating water pass.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 illustrates the trough rack 2 that is used with above-mentioned tank.This trough rack 2 can comprise Multi-layer bracket, holds up above-mentioned tank 1.As optimal way, every layer of carriage has certain inclination angle, so that place top tank to tilt with this inclination angle, the water that is conducive to like this in the groove flows out fast.The incline direction of the carriage of adjacent layer can be opposite, so that the stress balance of whole trough rack.As modified example, carriage can be horizontally disposed with, only need that in use tank one side is paved certain altitude and get final product.Fig. 3 illustrates the schematic diagram that a trough rack 2 supports two tanks 1, show among the figure that two tanks all have to a certain degree, and incline direction is opposite.When placing tank, so that outlet pipe 17 is in the lower side in position.
The quantity of water inlet 15 and position can adjust accordingly according to the general layout of the detachable riser that is equipped with for tank.Preferably be arranged in equably on the sidewall.For example, after all risers were installed, tank was divided into some long and narrow residential quarters usually, at this moment, preferably the flume wall at each long and narrow residential quarter one end arranges water inlet, like this, the disturbance of current is all arranged in each residential quarter, be conducive to chip and come off and be flushed away from Carbon felt surface.Understand easily, each water inlet preferably provides certain hydraulic pressure by a nozzle.In a better execution mode, in the water spray process, these nozzles can be intermittently or change direction continuously, and the flowing water with in more effectively disturbance carbon felt or the groove can improve the efficient of debris removal like this.
In another embodiment, levitation device can be arranged to rotatable pattern, so that the carbon felt that places levitation device with respect to water sport, allows water wash away the carbon felt, take away chip.As an example, as shown in Figure 4, this levitation device is a netted container of circle, arranges some netted circular supporting walls 18 with the concentric circles form in this container, and the annular space between each circular supporting wall 18 is used for arranging the carbon felt.For stoping the carbon felt mobile in each annular space, can after placing the carbon felt, between the carbon felt, place stop part, for example block, netted barrier.Distance between the supporting wall can be 3 to 10 times of carbon felt thickness, is preferably 3 to 5 times, has so both guaranteed flowing water smooth and easy flowing between the carbon felt, the carbon felt is arranged have rational density, improves the batch processing amount.Can a rotating shaft (not shown) be set at this bulge center, this rotating shaft is supported on the tank base plate.Can drive in many ways this rotating shaft, to drive this levitation device rotation.For example, can handle be set in the rotating shaft upper end, to allow manually to shake this levitation device.Can also be connected by the electromechanics that this rotating shaft is outer with being located at tank.Like this, this motor can drive the rotation of this levitation device.When rotated, the water in the tank relatively moves to the 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, for example square netted container.This netted container also can be separated into sandwich construction by the grid of a plurality of horizontal arrangement, is used for tiling a plurality of electrode materials.
Also need to comprise a filter in device of the present invention, it is a filter screen normally, is arranged on the circulation stream, for example is arranged on outlet pipe 17 places of tank, perhaps is arranged on the import department of aqua storage tank (without diagram).
The invention still further relates to the method for the chip of clearing electrode material, the method may further comprise the steps: 1) described electrode material is suspended in the tank; 2) provide circulating distilled water to described tank; 3) by the chip in the filter filtration cycle distilled water.
In a kind of embodiment, electrode material is supported on the web plate, this web plate is horizontally set in the tank.Like this, current are taken away chip wherein through electrode material surface.Preferably, when processing the undersized electrode material of polylith, tank is divided into a plurality of subregions with the porous riser, electrode material vertically is placed in these a plurality of subregions.
Further preferably, the current in can the disturbance tank to improve current with respect to the flow velocity of electrode material, improve detersive efficiency.
In another embodiment, a rotatable levitation device is set in tank, electrode material is suspended in the tank, then rotate this levitation device, accelerate water for the flow velocity of electrode material surface.
The explanation of the embodiment of front discloses general features of the present invention fully, so that other people are easily concrete application by existing knowledge these embodiments are adjusted and/or adaptations, these all do not depart from scope of the present invention, so these adjustment and revise the replacement that is equal to be considered as execution mode disclosed in the present invention.
Claims (13)
1. a method of removing the electrode material chip is characterized in that, comprises following operation:
Described electrode material is suspended in the tank,
Provide recirculated water to described tank,
By the chip in the filter filtration cycle water.
2. the method for claim 1 is characterized in that, further is included in the described tank disturbance device is set, with the described electrode material of disturbance or current.
3. the method for claim 1, wherein electrode material is supported on the web plate that is horizontally set in the described tank.
4. method as claimed in claim 3 wherein, when processing the undersized electrode material of polylith, is divided into a plurality of subregions with tank with the porous riser, and electrode material vertically is placed in these a plurality of subregions.
5. the method for claim 1, wherein a rotatable levitation device is set in described tank, described electrode material is suspended in the described tank, then rotate described levitation device, accelerate water for the flow velocity of electrode material surface.
6. device of removing the electrode material chip is characterized in that comprising:
Tank arranges at least one water inlet at flume wall or sink cover, at bottom of gullet at least one delivery port is set;
Levitation device is located in the described tank, is used for electrode material is suspended in described tank;
Circulating pump is used for the circulation cleaning water.
7. device as claimed in claim 6, wherein, described levitation device is a web plate that arranges near bottom of gullet.
8. device as claimed in claim 7, wherein, described levitation device further comprises some detachable risers, and described tank is divided into some zones, described riser is loose structure.
9. device as claimed in claim 6 wherein, further comprises trough rack.
10. device as claimed in claim 9, wherein, supporting plate or the carriage of described trough rack have the inclination angle, so that described tank is the inclination of respective angles above placing; Perhaps, the supporting plate of described trough rack or carriage are realized the inclination of tank for being horizontally disposed with by the cushion block that provides in addition.
11. device as claimed in claim 6, wherein, described whirligig is a rotatable netted container, and this netted container is divided into a plurality of subregions by a plurality of Web materials.
12. device as claimed in claim 11, wherein, described netted container vertically is separated into some subregions by a plurality of circumferential support wall.
13. device as claimed in claim 11, wherein, described netted container is separated into sandwich construction by the grid of a plurality of 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 true CN103000897A (en) | 2013-03-27 |
| CN103000897B 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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| CN (1) | CN103000897B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111244489A (en) * | 2018-11-28 | 2020-06-05 | 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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| CN2648986Y (en) * | 2003-08-01 | 2004-10-20 | 黄兆山 | Rotary vegetable-washing machine |
| CN101182678A (en) * | 2007-11-05 | 2008-05-21 | 攀钢集团攀枝花钢铁研究院 | Graphite felt watch surface modified method and modified mineral carbon felt |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111244489A (en) * | 2018-11-28 | 2020-06-05 | 中国科学院大连化学物理研究所 | Application of electrode material in zinc-bromine single flow battery |
| 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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| CN103000897B (en) | 2015-06-03 |
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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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