CN116728490A - Carbon felt electrode runner processing method and processing equipment for flow battery and carbon felt electrode - Google Patents
Carbon felt electrode runner processing method and processing equipment for flow battery and carbon felt electrode Download PDFInfo
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- CN116728490A CN116728490A CN202311031186.2A CN202311031186A CN116728490A CN 116728490 A CN116728490 A CN 116728490A CN 202311031186 A CN202311031186 A CN 202311031186A CN 116728490 A CN116728490 A CN 116728490A
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- flow battery
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 152
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 152
- 238000012545 processing Methods 0.000 title claims abstract description 73
- 238000003672 processing method Methods 0.000 title claims abstract description 10
- 238000005520 cutting process Methods 0.000 claims abstract description 33
- 239000000428 dust Substances 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 18
- 238000005507 spraying Methods 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 8
- 238000003825 pressing Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000007921 spray Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
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- 239000000835 fiber Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/06—Grooving involving removal of material from the surface of the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
- B26D7/02—Means for holding or positioning work with clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
- B26D7/088—Means for treating work or cutting member to facilitate cutting by cleaning or lubricating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2628—Means for adjusting the position of the cutting member
- B26D7/2635—Means for adjusting the position of the cutting member for circular cutters
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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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The application provides a processing method, processing equipment and a carbon felt electrode for a flow battery, relates to the technical field of flow batteries, and aims to solve the technical problem that different groove distances cannot be processed by the existing processing equipment, and the applicability is low. The processing equipment comprises: the base is provided with a conveying device which can convey the carbon felt electrode; the cutting assembly includes: the rotating shaft is arranged at one side of the conveying device; at least two cutters are arranged outside the rotating shaft and are used for processing a runner on the surface of the carbon felt electrode; and the at least one gasket is arranged outside the rotating shaft and between the two adjacent cutters and used for adjusting the distance between the two adjacent cutters. According to the application, the gasket is arranged between the two cutters, so that the distance between the two adjacent cutters can be adjusted according to different distances between the grooves, and then the cutting of different flow passages is finished, and the processing can be performed according to different groove distances, so that the applicability of processing equipment is wider.
Description
Technical Field
The application relates to the technical field of flow batteries, in particular to a carbon felt electrode runner processing method and processing equipment for a flow battery and a carbon felt electrode.
Background
The working current density of the flow battery pile is improved, and the flow battery pile has important significance for reducing the cost of the whole voltage feedback system. However, at high current densities, ohmic polarization is also greatly amplified, resulting in a decrease in the voltage efficiency of the battery. At present, an effective design under high current density is to use a thin carbon felt electrode, so that ohmic resistance can be reduced to a great extent, and voltage efficiency can be improved. The use of thin carbon felt electrodes in large stacks results in increased voltage drop and the stack may be subject to risk of electrolyte leakage and pumping losses. In this context, mass transfer processes in flow batteries can be enhanced and uniformity improved by advanced flow channel designs, resulting in lower overpotential. In the prior art, when designing a runner, the runner is usually required to be processed manually, and the processing mode is not only slow in processing speed, but also uneven in grooving depth, poor in processing quality and incapable of realizing mass processing.
Disclosure of Invention
The application provides a processing method and processing equipment for a carbon felt electrode runner for a flow battery and a carbon felt electrode, and aims to solve the technical problems that the existing processing equipment cannot process different groove distances and has low applicability.
The application provides carbon felt electrode runner processing equipment for a flow battery.
The application provides a method for machining a carbon felt electrode runner for a flow battery.
The third aspect of the application provides a carbon felt electrode for a flow battery.
The first aspect of the application provides a carbon felt electrode runner processing device for a flow battery, comprising: the base is provided with a conveying device which can convey the carbon felt electrode; a cutting assembly, comprising: the rotating shaft is arranged at one side of the conveying device; at least two cutters are arranged outside the rotating shaft and are used for processing a runner on the surface of the carbon felt electrode; and the at least one gasket is arranged outside the rotating shaft and between the two adjacent cutters and used for adjusting the distance between the two adjacent cutters.
In some technical schemes, optionally, the conveying device comprises a transmission motor, a driving wheel, a driven wheel and a conveying belt, wherein the transmission motor is connected with the driving wheel, and the conveying belt is connected with the driving wheel and the driven wheel, so that the transmission motor drives the driving wheel to rotate and further drives the conveying belt to move so as to realize the conveying of the carbon felt electrode. Optionally, the rotation speed of the transmission motor is adjustable, so that the motion speed of the conveyor belt can be further adjusted by adjusting the rotation speed of the transmission motor, and further, the accurate control of the carbon felt electrode transmission speed is completed.
According to the application, the gasket is arranged between the two cutters, so that the distance between the two adjacent cutters can be adjusted according to different distances between the grooves, and then the cutting of different flow passages is finished, and the processing can be performed according to different groove distances, so that the applicability of processing equipment is wider. Optionally, the conveyor is a feed conveyor.
In some technical solutions, optionally, the carbon felt electrode runner processing device for a flow battery further comprises locking devices, which are arranged at two ends of the rotating shaft, and the locking devices are used for locking the cutter and the gasket after the cutter and the gasket are installed.
In some aspects, optionally, the cutting assembly further comprises: and the lifting assembly is connected with the rotating shaft and the base and used for driving the rotating shaft to move so as to enable the rotating shaft to be close to or far away from the carbon felt electrode.
In the technical scheme, the lifting assembly drives the rotating shaft to be close to or far away from the carbon felt electrode, so that cutting with different depths can be completed.
In some embodiments, optionally, the lifting assembly includes: the first driving piece is arranged on the base; the threaded connecting piece is respectively connected with the first driving piece and the rotating shaft; when the first driving piece works, the rotating shaft is driven to move through the threaded connecting piece, so that the rotating shaft is close to or far away from the carbon felt electrode.
In some embodiments, optionally, the threaded connection comprises: the first threaded pipe is connected with the first driving piece; the second screwed pipe is screwed with the first screwed pipe, one of the first screwed pipe and the second screwed pipe is sleeved on the outer side of the other one, the second screwed pipe is connected with the rotating shaft, and the first driving piece drives the second screwed pipe to rotate through the first screwed pipe so that the rotating shaft moves along with the second screwed pipe.
In some embodiments, optionally, the carbon felt electrode runner processing device for a flow battery further includes: the first plate body is arranged on the base; the second plate body is connected with the first plate body and is provided with a chute; the fixed block is arranged on the second plate body; the sliding block is arranged in the sliding groove in a sliding way, and the fixed block and the sliding block are arranged oppositely along the extending direction of the sliding groove so as to limit the carbon felt electrode through the sliding block and the fixed block.
In the technical scheme, the carbon felt electrode is limited through the fixed block and the sliding block, so that displacement deviation of the carbon felt electrode can not occur during cutting, and the slotting effect is improved. In addition, the design method can also play a role in limiting the height of the carbon felt electrode through the second plate body, so that the height of the whole surface of the carbon felt electrode is kept consistent, and the stability in cutting is further ensured.
In some embodiments, the second plate is optionally movable relative to the first plate to move closer to or farther from the carbon felt electrode.
In this technical scheme, the second plate body is close to or keeps away from the carbon felt electrode, just so can be applicable to the spacing of carbon felt electrode of different thickness, both can carry out the spacing of width direction according to the different width of carbon felt electrode, can carry out the spacing of direction of height according to the different thickness of carbon felt electrode again, improved the application range of device.
In some embodiments, optionally, the carbon felt electrode runner processing device for a flow battery further includes: a second driving member; one end of the transmission device is connected with the second driving piece; the first chain wheel is connected with the other end of the transmission device; the second chain wheel is connected with one end of the rotating shaft; and the chain is connected with the first chain wheel and the second chain wheel.
In the technical scheme, the second driving piece, the transmission device and the like drive the rotating shaft to rotate, so that cutting is realized.
In some embodiments, optionally, the carbon felt electrode runner processing device for a flow battery further includes: and the chain tensioning device is connected with the chain and is used for tensioning the chain.
In this technical scheme, carry out the tensioning through chain overspeed device tensioner to the chain, when the pivot goes up and down to move like this, the loose condition of chain can not appear.
In some technical solutions, optionally, the carbon felt electrode runner processing device for a flow battery further includes a cover body, and the cutting assembly is disposed inside the cover body.
In this technical scheme, through setting up the cover body lid and closing on the base, can prevent the dust pollution environment that the cutting produced, can also avoid cutting assembly to cause the injury to the user.
In some embodiments, optionally, the cover is provided with an opening structure, and the cover can be covered on the base through the opening structure.
In some technical schemes, optionally, the conveyer runs through the cover body and sets up, along conveyer's transmission direction, and the both ends of the cover body are equipped with the entry and dodge the hole and export and dodge the hole, and the entry dodge the hole and export dodge the hole and all be used for dodging conveyer and carbon felt electrode.
In the technical scheme, through being equipped with the entry and dodging the hole with the export at the both ends of the cover body, just so can dodge conveyer and carbon felt electrode, accomplish the production of assembly line.
In some embodiments, optionally, the carbon felt electrode runner processing device for a flow battery further includes: the spraying device is arranged in the cover body and positioned at the inlet avoidance hole and used for spraying the carbon felt electrode.
In the technical scheme, the spraying device is arranged at the inlet avoidance hole, so that the carbon felt electrode is sprayed before cutting, dust on the surface of the carbon felt electrode can be reduced, and dust emission is avoided.
In some embodiments, optionally, the spray device is an automatic spray device.
In some embodiments, optionally, the carbon felt electrode runner processing device for a flow battery further includes: the dust removing device is arranged in the cover body and positioned at the outlet avoiding hole for removing dust.
In the technical scheme, the dust removing device is arranged at the outlet avoidance hole, so that scraps generated in the processing process can be removed, and the safety of the processing environment is ensured.
In some embodiments, optionally, the dust removing device is an automatic dust removing device.
The second aspect of the present application provides a method for processing a carbon felt electrode runner for a flow battery, which is used for the carbon felt electrode runner processing device for a flow battery provided by the first aspect of the present application, and the method for processing a carbon felt electrode runner for a flow battery includes:
placing a carbon felt electrode on a conveyor;
arranging a cutter and a gasket on the outer side of the rotating shaft according to the distance between the runners to be processed;
controlling the lifting assembly to move according to the depth of the runner to be processed so as to drive the rotating shaft to be close to or far from the carbon felt electrode;
the sliding block is controlled to slide in the chute, and the carbon felt electrode is limited by the sliding block and the fixed block;
the spraying device, the dust removing device and the conveying device are sequentially started, and the rotating shaft is controlled to rotate so as to process the flow channel.
The application provides a carbon felt electrode for a flow battery, which is processed by the carbon felt electrode runner processing method for the flow battery.
Additional aspects and advantages of the application will be set forth in part in the description which follows, or may be learned by practice of the application.
Drawings
The foregoing and/or additional aspects and advantages of embodiments according to the present application will be apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
fig. 1 shows one of schematic structural diagrams of a carbon felt electrode runner processing device for a flow battery according to an embodiment of the present application;
fig. 2 shows a second schematic structural diagram of a carbon felt electrode runner processing device for a flow battery according to an embodiment of the present application;
fig. 3 shows a third schematic structural diagram of a carbon felt electrode runner processing device for a flow battery according to an embodiment of the present application;
fig. 4 shows a fourth schematic structural diagram of a carbon felt electrode runner processing device for a flow battery according to an embodiment of the present application;
fig. 5 shows a fifth schematic structural diagram of a carbon felt electrode runner processing device for a flow battery according to an embodiment of the present application;
fig. 6 shows one of flow charts of a method for processing a carbon felt electrode runner for a flow battery according to an embodiment of the present application;
fig. 7 shows a second flow chart of a method for processing a carbon felt electrode runner for a flow battery according to an embodiment of the present application;
fig. 8 shows a 100-fold enlarged effect diagram of a flow channel processed by the carbon felt electrode flow channel processing device for a flow battery according to the embodiment of the application;
fig. 9 shows a 160-fold enlarged effect diagram of a flow channel processed by the carbon felt electrode flow channel processing device for a flow battery according to the embodiment of the application.
Wherein, the correspondence between the reference numerals and the component names in fig. 1 to 5 is:
the device comprises a base, a conveying device, a carbon felt electrode 14, a cutting assembly 2, a rotating shaft 22, a cutter 24, a gasket 26, a lifting assembly 3, a first driving member 32, a threaded connector 34, a first pipe 342, a second pipe 344, a supporting block 36, a bearing 38, a first plate 42, a second plate 44, a sliding chute 442, a fixed block 46, a sliding block 48, a cylinder 49, a second driving member 52, a driving device 54, a first sprocket 56, a second sprocket 58, a chain 59, a chain tensioning device 6, a cover 7, an inlet avoidance hole 72, an outlet avoidance hole 74, an inlet pressing plate 76, an outlet pressing plate 78, a spraying device 8, a spraying port 82, a dust removing device 9 and a dust absorbing port 92.
Detailed Description
In order that the above-recited aspects, features and advantages of embodiments according to the present application can be more clearly understood, a more particular description of embodiments according to the present application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of embodiments according to the application, however, embodiments according to the application may be practiced otherwise than as described herein, and thus the scope of protection according to embodiments of the application is not limited by the specific embodiments disclosed below.
As shown in fig. 1, the flow channel processing device of the carbon felt electrode 14 for the flow battery provided by the application comprises a base 1 and a cutting assembly 2, wherein a conveying device 12 is arranged on the base 1, and the conveying device 12 can convey the carbon felt electrode 14; the cutting assembly 2 comprises a rotating shaft 22, at least two cutters 24 and at least one spacer 26, the spacer 26 may also be referred to as a cutter spacing adjustment pad, the rotating shaft 22 is arranged at one side of the conveying device 12, the at least two cutters 24 are arranged at the outer side of the rotating shaft 22 for machining a flow channel on the surface of the carbon felt electrode 14, and the at least one spacer 26 is arranged at the outer side of the rotating shaft 22 and between two adjacent cutters 24 for adjusting the distance between the two adjacent cutters 24. According to the application, the gasket 26 is arranged between the two cutters 24, so that the distance between the two adjacent cutters 24 can be adjusted according to different grooves, and then the cutting of different flow passages is finished, and the processing can be performed according to different groove distances, so that the applicability of processing equipment is wider.
In some embodiments, the conveying device 12 may optionally include a driving motor, a driving wheel, a driven wheel, and a conveying belt, where the driving motor is connected to the driving wheel, and the conveying belt is connected to the driving wheel and the driven wheel, so that the driving motor drives the driving wheel to rotate, and further drives the conveying belt to move, so as to implement conveying of the carbon felt electrode 14. Optionally, the rotation speed of the transmission motor is adjustable, so that the motion speed of the conveyor belt can be further adjusted by adjusting the rotation speed of the transmission motor, and further, the accurate control of the transmission speed of the carbon felt electrode 14 is completed.
In some embodiments, the flow channel processing device of the carbon felt electrode 14 for the flow battery optionally further comprises locking devices disposed at two ends of the rotating shaft 22, wherein after the cutter 24 and the gasket 26 are installed, the locking devices are used for locking the cutter 24 and the gasket 26, so that the stability of the cutter 24 can be improved.
As shown in fig. 4, in some embodiments, optionally, the cutting assembly 2 further includes a lifting assembly 3 connected to the rotating shaft 22 and the base 1, for driving the rotating shaft 22 to move so that the rotating shaft 22 is close to or far from the carbon felt electrode 14, and the cutting assembly 3 drives the rotating shaft 22 to be close to or far from the carbon felt electrode 14, so that cutting with different depths can be completed.
In some embodiments, optionally, the lifting assembly 3 includes a first driving member 32 and a threaded connection member 34, where the first driving member 32 is disposed on the base 1, the threaded connection member 34 is connected to the first driving member 32 and the rotating shaft 22 respectively, and when the first driving member 32 works, the rotating shaft 22 is driven by the threaded connection member 34 to move so that the rotating shaft 22 approaches or separates from the carbon felt electrode 14, and cutting with different depths is completed. Alternatively, the first driving member 32 is a servo motor.
In some embodiments, optionally, the threaded connection 34 includes a first threaded tube 342 and a second threaded tube 344, the first threaded tube 342 is connected to the first driving member 32, the second threaded tube 344 is screwed with the first threaded tube 342, one of the first threaded tube 342 and the second threaded tube 344 is sleeved outside the other, the second threaded tube 344 is connected to the rotating shaft 22, and the first driving member 32 drives the second threaded tube 344 to rotate through the first threaded tube 342, so that the rotating shaft 22 moves along with the second threaded tube 344, and cutting with different depths is completed. Optionally, the lifting assembly 3 further includes a supporting block 36 and a bearing 38, where the supporting block 36 is connected with the second threaded pipe 344, the supporting block 36 is of a hollow structure, the bearing 38 is disposed in the hollow structure of the supporting block 36, and the rotating shaft 22 is connected with the first driving member 32 through the bearing 38, so that the rotating shaft 22 can be ensured to move and normal rotation of the rotating shaft 22 can be ensured at the same time.
As shown in fig. 5, in some embodiments, optionally, the flow channel processing apparatus for a carbon felt electrode 14 for a flow battery further includes a first plate body 42, a second plate body 44, a fixed block 46 and a sliding block 48, where the first plate body 42 is disposed on the base 1, the second plate body 44 is connected with the first plate body 42, a sliding groove 442 is disposed on the second plate body 44, the fixed block 46 is disposed on the second plate body 44, the sliding block 48 is slidably disposed in the sliding groove 442, and the fixed block 46 and the sliding block 48 are disposed opposite to each other along an extending direction of the sliding groove 442, so that the carbon felt electrode 14 can be limited by the sliding block 48 and the fixed block 46. Optionally, a cylinder 49 is connected to the sliding block 48, so that the sliding of the sliding block 48 can be driven by the cylinder 49. The carbon felt electrode 14 is limited by the fixed block 46 and the sliding block 48, so that the carbon felt electrode 14 cannot generate displacement deviation during cutting, and the slotting effect is improved. In addition, the design method can also play a role of height limitation on the carbon felt electrode 14 through the second plate body 44, so that the height of the whole surface of the carbon felt electrode 14 is kept consistent, and the stability during cutting is further ensured. Since the fixed block 46 and the sliding block 48 serve to limit the carbon felt electrode 14, a positioning device, that is, a positioning device includes the fixed block 46 and the sliding block 48.
In some embodiments, the second plate 44 is optionally movable relative to the first plate 42 to move closer to or farther from the carbon felt electrode 14. By arranging the second plate 44 close to or far from the carbon felt electrode 14, the device can be suitable for limiting the carbon felt electrode 14 with different thicknesses, can limit the width direction according to different widths of the carbon felt electrode 14, can limit the height direction according to different thicknesses of the carbon felt electrode 14, and improves the application range of the device.
In some embodiments, optionally, the flow channel processing device of the carbon felt electrode 14 for a flow battery further comprises a second driving member 52, a transmission device 54, a first sprocket 56, a second sprocket 58 and a chain 59, wherein one end of the transmission device 54 is connected with the second driving member 52, the first sprocket 56 is connected with the other end of the transmission device 54, and the second sprocket 58 is connected with one end of the rotating shaft 22; the chain 59 is connected to the first sprocket 56 and the second sprocket 58, so that the rotation shaft 22 can be driven to rotate by the second driving member 52, the transmission 54, etc., thereby achieving cutting. Optionally, the second driving member 52 is a servo motor.
In some embodiments, optionally, the runner processing device of the carbon felt electrode 14 for the flow battery further comprises a chain tensioning device 6 connected with the chain 59 for tensioning the chain 59. The chain 59 is tensioned by the chain tensioner 6, so that the loosening of the chain 59 does not occur when the rotation shaft 22 moves up and down. Alternatively, the chain tensioning device 6 may include a tensioning wheel and a return spring, one end of the return spring may be fixed on a third plate body, the third plate body is disposed on the base 1, the other end of the return spring is connected with the tensioning wheel, and the tensioning wheel is connected with the chain 59 for conveying the chain 59, so that when the chain 59 is tensioned, the chain can be tensioned through the tensioning wheel and the return spring.
In some embodiments, optionally, the flow channel processing device of the carbon felt electrode 14 for the flow battery further comprises a cover 7, and the cutting assembly 2 is disposed inside the cover 7. By arranging the cover body 7 to cover the base 1, dust generated by cutting can be prevented from polluting the environment, and the damage to a user caused by the cutting assembly 2 can be avoided.
In some embodiments, the cover 7 is optionally provided with an opening structure, through which the cover 7 can be closed onto the base 1.
In some embodiments, optionally, the conveying device 12 is disposed through the cover 7, and along the transmission direction of the conveying device 12, two ends of the cover 7 are provided with an inlet avoidance hole 72 and an outlet avoidance hole 74, where the inlet avoidance hole 72 and the outlet avoidance hole 74 are used to avoid the conveying device 12 and the carbon felt electrode 14. Through being equipped with the entry and dodging hole 72 and export and dodging the hole 74 in the both ends of cover body 7, just so can dodge conveyer 12 and carbon felt electrode 14, accomplish the production of assembly line.
As shown in fig. 2 and 3, in some embodiments, the flow channel processing apparatus for the carbon felt electrode 14 for a flow battery optionally further includes a spraying device 8 disposed in the cover 7 and located at the inlet avoidance hole 72, where the spraying device 8 includes a spraying opening 82 for spraying the carbon felt electrode 14. By providing the spraying device 8 at the inlet avoidance hole 72, spraying treatment is performed on the carbon felt electrode 14 before cutting, dust on the surface of the carbon felt electrode 14 can be reduced, and dust emission is avoided.
In some embodiments, the flow channel processing device of the carbon felt electrode 14 for the flow battery optionally further comprises a water tank connected with the spraying device 8 for providing a water source.
In some embodiments, the spray device 8 is optionally an automatic spray device.
As shown in fig. 2 and 3, in some embodiments, optionally, the flow channel processing apparatus of the carbon felt electrode 14 for a flow battery further includes a dust removing device 9 disposed in the cover 7 and located at the outlet avoidance hole 74, where the dust removing device 9 includes a dust collection hole 92 for removing dust. By providing the dust removing device 9 at the outlet avoiding hole 74, scraps generated in the processing process can be removed, and the safety of the processing environment can be ensured.
In some embodiments, the dust removing device 9 is optionally an automatic dust removing device.
As shown in fig. 2, in some embodiments, optionally, the flow channel processing apparatus for the carbon felt electrode 14 for a flow battery further includes an inlet pressing plate 76 and an outlet pressing plate 78, where the inlet pressing plate 76 and the outlet pressing plate 78 are both connected with the first plate body 42, and the inlet pressing plate 76 is disposed near the inlet avoidance hole 72, and the outlet pressing plate 78 is disposed near the outlet avoidance hole 74, so that the carbon felt electrode 14 can be pressed by the inlet pressing plate 76 and the outlet pressing plate 78, and a position offset of the carbon felt electrode 14 during a processing process is avoided. Alternatively, the inlet platen 76 and the outlet platen 78 may be movable up and down relative to the carbon felt electrode 14, so as to accommodate carbon felt electrodes 14 of different thicknesses.
In some embodiments, optionally, the thickness of the cutter 24 and the distance between the two cutter teeth are determined by the width of the slots to be formed in the carbon felt electrode 14 and the slot spacing, and the corresponding cutter 24 is replaced for different slot widths and slot-to-slot distances by replacing the shims 26.
In some embodiments, optionally, the conveyor 12 may transport the carbon felt electrode 14 at a fixed rate, enabling continuous slotting.
In some embodiments, optionally, a sensor is further provided on the base 1, where the sensor includes an infrared emitting end and an infrared receiving end, and the infrared emitted by the infrared emitting end is parallel to the first edge of the carbon felt electrode 14 and has a distance from the first edge of less than 2mm; the direction of the first edge of the carbon felt electrode 14 is parallel to the moving direction of the carbon felt electrode 14, so that whether the carbon felt electrode 14 moves along a straight line or not can be detected by the sensor, and the cutting efficiency is further ensured.
As shown in fig. 6, the specific flow channel processing method of the carbon felt electrode flow channel processing device for the flow battery of the application comprises the following steps:
s102: homemade carbon felt electrode runner processing equipment for flow battery;
specifically, place cutter and gasket in turn on the pivot, both ends are fixed with locking device, are fixed whole pivot together to the base through bearing, supporting shoe and conveyer to connect servo motor, transmission, first sprocket, second sprocket, chain overspeed device tensioner, dust extraction system, spraying system, at last adorn the cover body, whole system installation is accomplished.
S104: placing a porous fiber carbon felt electrode on a conveying device;
s106: the carbon felt electrode is fed from the feeding port along the positioning device;
s108: the carbon felt electrode is processed into a runner with corresponding size.
Further, the carbon felt electrode after ungrooved and grooved was subjected to a stacking charge and discharge test, and the test results are shown in table one:
list one
| Example 1 | Example two | Example III | Comparative example | |
| Carbon felt electrode thickness mm | 6 | 6 | 6 | 5 |
| Groove width mm | 2 | 3 | 4 | 0 |
| Groove depth mm | 2.5 | 3 | 3.5 | 0 |
| The spacing between grooves is mm | 2 | 3 | 4 | 0 |
| Current density mA/cm 2 | 110 | 110 | 110 | 110 |
| Average discharge voltage V | 1.33 | 1.36 | 1.32 | 1.26 |
| Power density mW/cm 2 | 108 | 115 | 106 | 98 |
| Energy efficiency | 83.3% | 84.5% | 82.6% | 80.6% |
The test results prove that: by adjusting the flow field design on the carbon felt electrode, the power density of the vanadium redox flow battery can be obviously improved, concentration polarization is reduced, and energy efficiency is high, so that the great potential of improving the efficiency of the actual redox flow battery by opening a runner groove on the carbon felt electrode is also shown.
As shown in fig. 7, the present application provides another method for processing a carbon felt electrode runner for a flow battery, which is implemented by the apparatus for processing a carbon felt electrode runner for a flow battery according to the first aspect of the present application, and the method for processing a carbon felt electrode runner for a flow battery includes:
s202: placing a carbon felt electrode on a conveyor;
s204: arranging a cutter and a gasket on the outer side of the rotating shaft according to the distance between the runners to be processed;
s206: controlling the lifting assembly to move according to the depth of the runner to be processed so as to drive the rotating shaft to be close to or far from the carbon felt electrode;
s208: the sliding block is controlled to slide in the chute, and the carbon felt electrode is limited by the sliding block and the fixed block;
s210: the spraying device, the dust removing device and the conveying device are sequentially started, and the rotating shaft is controlled to rotate so as to process the flow channel.
The beneficial effects of the application are as follows: the flow channel groove processing device has the advantages that the structure is simple, the function is comprehensive, flow channel grooves with different depths can be continuously formed in the carbon felt electrode, as shown in fig. 8 and 9, according to the two figures, after the carbon felt electrode is processed by the flow channel processing device, the surface of the carbon felt electrode is free from residues, the flow channel is neat and clean, the use effect is good, the flow channel groove processing with any size can be realized by changing the cutter and the gasket, after the carbon felt electrode is grooved, the internal resistance of a galvanic pile is smaller, the flow is larger, and the flow can be made into a high-power flow battery.
The application provides a carbon felt electrode for a flow battery, which is processed by the carbon felt electrode runner processing method for the flow battery.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
In embodiments according to the application, the terms "first," "second," "third," and the like are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the embodiments according to the present application can be understood by those of ordinary skill in the art according to specific circumstances.
Moreover, although operations are depicted in a particular order, this should be understood as requiring that such operations be performed in the particular order shown or in sequential order, or that all illustrated operations be performed, to achieve desirable results. In certain circumstances, multitasking and parallel processing may be advantageous. Likewise, while several specific implementation details are included in the above discussion, these should not be construed as limiting the scope of the application. Certain features that are described in the context of separate embodiments can also be implemented in combination in a single implementation. Conversely, various features that are described in the context of a single implementation can also be implemented in multiple implementations separately or in any suitable subcombination.
Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are example forms of implementing the claims.
The above is only a preferred embodiment according to the embodiment of the present application and is not intended to limit the embodiment according to the present application, and various modifications and variations may be possible to the embodiment according to the present application for those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments according to the present application should be included in the protection scope of the embodiments according to the present application.
Claims (10)
1. The utility model provides a carbon felt electrode runner processing equipment for flow battery which characterized in that includes:
the base is provided with a conveying device, and the conveying device can convey the carbon felt electrode;
a cutting assembly, comprising:
the rotating shaft is arranged at one side of the conveying device;
at least two cutters are arranged outside the rotating shaft and are used for processing a runner on the surface of the carbon felt electrode;
and the at least one gasket is arranged on the outer side of the rotating shaft and between two adjacent cutters and used for adjusting the distance between the two adjacent cutters.
2. The flow battery carbon felt electrode runner apparatus of claim 1 wherein said cutting assembly further comprises:
and the lifting assembly is connected with the rotating shaft and the base and is used for driving the rotating shaft to move so that the rotating shaft is close to or far away from the carbon felt electrode.
3. The carbon felt electrode runner apparatus for a flow battery of claim 2 wherein said lifting assembly comprises:
the first driving piece is arranged on the base;
the threaded connecting piece is respectively connected with the first driving piece and the rotating shaft; when the first driving piece works, the threaded connecting piece drives the rotating shaft to move, so that the rotating shaft is close to or far away from the carbon felt electrode.
4. The flow channel processing apparatus for a carbon felt electrode for a flow battery according to claim 1, further comprising:
the first plate body is arranged on the base;
the second plate body is connected with the first plate body, and a sliding groove is formed in the second plate body;
the fixed block is arranged on the second plate body;
the sliding block is arranged in the sliding groove in a sliding manner, and the fixed block and the sliding block are arranged oppositely along the extending direction of the sliding groove, so that the carbon felt electrode is limited through the sliding block and the fixed block.
5. The flow channel processing device for a carbon felt electrode for a flow battery according to claim 4, wherein the second plate body is movable relative to the first plate body to be close to or away from the carbon felt electrode.
6. The flow channel processing apparatus for a carbon felt electrode for a flow battery according to claim 1, further comprising:
a second driving member;
one end of the transmission device is connected with the second driving piece;
the first chain wheel is connected with the other end of the transmission device;
the second chain wheel is connected with one end of the rotating shaft;
a chain connected to the first sprocket and the second sprocket;
and the chain tensioning device is connected with the chain and is used for tensioning the chain.
7. The flow channel processing apparatus for a carbon felt electrode for a flow battery according to claim 1, further comprising:
the cutting assembly is arranged inside the cover body, the conveying device penetrates through the cover body to be arranged along the transmission direction of the conveying device, inlet avoidance holes and outlet avoidance holes are formed in two ends of the cover body, and the inlet avoidance holes and the outlet avoidance holes are all used for avoiding the conveying device and the carbon felt electrode.
8. The flow battery carbon felt electrode runner apparatus of claim 7 further comprising:
the spraying device is arranged in the cover body and positioned at the inlet avoidance hole and is used for spraying the carbon felt electrode; and/or
The dust removing device is arranged in the cover body and positioned at the outlet avoiding hole for removing dust.
9. A method for processing a carbon felt electrode runner for a flow battery, which is used for the carbon felt electrode runner processing equipment for a flow battery according to any one of claims 1 to 8, and is characterized in that the processing method comprises the following steps:
placing the carbon felt electrode on the conveyor;
arranging the cutter and the gasket on the outer side of the rotating shaft according to the distance between the runners to be processed;
controlling the lifting assembly to move according to the depth of the runner to be processed so as to drive the rotating shaft to be close to or far away from the carbon felt electrode;
the sliding block is controlled to slide in the chute, and the carbon felt electrode is limited through the sliding block and the fixed block;
and sequentially starting the spraying device, the dust removing device and the conveying device, and controlling the rotating shaft to rotate so as to process the flow channel.
10. The carbon felt electrode for a flow battery, which is characterized in that the carbon felt electrode for a flow battery is processed by the flow channel processing method for the carbon felt electrode for a flow battery according to claim 9.
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