CN111960510B - Battery pole piece fixing device and using method thereof - Google Patents
Battery pole piece fixing device and using method thereof Download PDFInfo
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- CN111960510B CN111960510B CN202010744215.XA CN202010744215A CN111960510B CN 111960510 B CN111960510 B CN 111960510B CN 202010744215 A CN202010744215 A CN 202010744215A CN 111960510 B CN111960510 B CN 111960510B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
- C02F2001/46138—Electrodes comprising a substrate and a coating
- C02F2001/46142—Catalytic coating
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46152—Electrodes characterised by the shape or form
Abstract
The invention belongs to the field of wastewater treatment devices, and particularly relates to a battery pole piece fixing device and a using method thereof. The device does benefit to the pole piece and resists the water impact and increased the area of contact of pole piece and rivers, improves the catalytic degradation effect, but the exclusive use also can pile up the use, and carries on the structure and can accomplish quick pole piece change.
Description
Technical Field
The invention belongs to the field of wastewater treatment devices, and particularly relates to a battery pole piece fixing device and a use method thereof.
Background
Lithium Ion Batteries (LIBs) are widely used because of their high energy density and long service life. The lithium ion battery mainly comprises five parts, namely a positive electrode, a negative electrode, a diaphragm, electrolyte and a shell. The positive electrode is generally composed of aluminum foil and lithium cobaltate, lithium manganate, lithium nickel cobalt manganese and the like, and the negative electrode is composed of copper foil and graphite. If the waste battery is directly discarded, substances such as heavy metals, electrolyte and the like contained in the waste battery can cause great harm to the environment. If the material can be recycled, the current resource shortage problem and the environmental problem can be greatly relieved.
Advanced oxidation technologies (SR-AOPs) based on sulfate radicals are emerging in recent years for treating organic pollutants difficult to degrade in water, and transition metals and oxides thereof (Co, Cu, Fe, Mn radicals and the like) are commonly used as catalysts to activate PMS/PS to generate radicals to degrade the organic pollutants in the water. However, the conventional catalyst has some problems, such as that the synthesized heterogeneous catalyst is mostly in a powder form, and the separation and recovery from the aqueous reaction system after use are troublesome, and the complicated catalyst synthesis process and high scale production cost limit the application thereof. Considering that the active materials of the positive electrodes of Lithium Ion Batteries (LIBs) are mainly lithium transition metal oxides and the special stable structure of the positive electrode plate (the active materials, carbon additives and binders are uniformly coated on a current collector aluminum foil to form the stable structure), the waste LIBs electrode materials can be recycled and used as the catalyst in SR-AOPs to activate PMS to degrade organic pollutants. However, the prior method for treating wastewater by using waste battery electrode materials as catalysts has the defects of small single-treatment water amount, low catalytic efficiency, difficult recovery of catalyzed pole pieces and the like, and is only limited to laboratory scale use.
For the above reasons, there is a need for an industrial apparatus capable of using the electrode material of waste batteries as a catalyst for wastewater treatment, which can solve the recycling problem of waste batteries and better solve the problems of low water amount per treatment, low catalytic efficiency and the like when the electrode material is used as a catalyst.
Disclosure of Invention
The present invention is made to solve the above problems, and an object of the present invention is to provide a battery pole piece fixing device and a method for using the same, in which a battery pole piece is fixed thereon and then placed in sewage, so that the battery pole piece can better degrade the sewage.
The invention provides a battery pole piece fixing device which is used for fixing a battery pole piece in sewage and has the characteristics that: a base plate; the plurality of pairs of fixing columns are arranged on the bottom plate and used for fixing the battery pole pieces; and a plurality of columns of flow distribution plates vertically arranged on the bottom plate and used for distributing sewage, wherein the pair of fixed columns comprises two fixed columns, one fixed column is vertically arranged at the edge of one side of the bottom plate, the other fixed column is vertically arranged at the edge of the other side of the bottom plate relatively, one end of a battery pole piece is fixed on one fixed column, the other end of the battery pole piece is fixed on the other fixed column, each column of flow distribution plate comprises a plurality of flow distribution plates, the plurality of flow distribution plates are arranged between the pair of fixed columns, a connecting line between the pair of fixed columns is a first direction, a direction vertical to the bottom plate in the plane of the bottom plate is a second direction, two adjacent columns of flow distribution plates are partially overlapped in the first direction and are sequentially staggered in the second direction, and the battery pole piece forms a wave shape when sequentially bypassing the flow distribution plates between the two columns of flow distribution plates.
The battery pole piece fixing device provided by the invention can also have the following characteristics: wherein, a pair of fixed column inboard in opposite directions all is equipped with the pole piece mounting groove, and this pole piece mounting groove is used for fixed battery pole piece.
The battery pole piece fixing device provided by the invention can also have the following characteristics: wherein, along the length direction of fixed column, be equipped with 3 pole piece mounting grooves on the fixed column, 2cm-5cm apart from between two adjacent pole piece mounting grooves.
The battery pole piece fixing device provided by the invention can also have the following characteristics: wherein, the flow distribution plate is arc flow distribution plate, and the concave surface of all arc flow distribution plates in every row all faces same direction, and the equidistance sets up on the bottom plate.
The battery pole piece fixing device provided by the invention can also have the following characteristics: wherein, the curvature radius of the arc splitter plate is 125mm, and the radian is 150 degrees.
The battery pole piece fixing device provided by the invention can also have the following characteristics: wherein, the edges of the arc-shaped flow distribution plate and the two sides of the bottom plate which are vertical are provided with round corner rectangular flow distribution holes, and four corners of the round corner rectangular flow distribution holes are round corners.
The battery pole piece fixing device provided by the invention can also have the following characteristics: the bottom plate is provided with a plurality of sewage holes, the bottom plate is also provided with a plurality of uniformly distributed and mutually parallel splitter plate fixing strips, and the middle position of the bottom of each splitter plate in a row of splitter plates is fixedly connected with the corresponding splitter plate fixing strip.
The battery pole piece fixing device provided by the invention can also have the following characteristics that: frame post and top frame, wherein, the bottom plate is the rectangular plate, and four frame posts set up the four corners at the rectangular plate respectively, and top frame is rectangular frame, and four angles of this rectangular frame respectively with a frame post fixed connection.
The invention also provides a use method of the battery pole piece fixing device, which is characterized by comprising the following steps: and mounting the battery pole piece on the battery pole piece fixing device, and then placing the battery pole piece fixing device into a sewage pool to enable sewage to flow through the battery pole piece.
In the use method of the battery pole piece fixing device provided by the invention, the battery pole piece fixing device also has the following characteristics: the battery pole piece fixing devices are placed in the sewage pool, and the orientation of the flow distribution plate is consistent, so that sewage flows through the battery pole piece fixing devices.
Action and Effect of the invention
According to the battery pole piece fixing device and the using method thereof provided by the invention, the battery pole piece fixing device is used for fixing a battery pole piece in sewage and comprises a bottom plate, a plurality of pairs of fixing columns and a plurality of rows of flow distribution plates, the plurality of pairs of fixing columns are respectively positioned at two sides of the bottom plate, each row of flow distribution plates comprises a plurality of flow distribution plates arranged between the pair of fixing columns, and the two adjacent rows of flow distribution plates are partially overlapped in the first direction and are sequentially staggered in the second direction, so that when one end of the battery pole piece is fixed on one fixing column in one pair, the other end of the battery pole piece is fixed on the other fixing column after sequentially bypassing one row of flow distribution plates, the battery pole piece sequentially bypasses between the two rows of flow distribution plates to form waves, the flow of the sewage is increased by the battery pole piece placed in the waves, the flow rate can be reduced, the contact time of the sewage and the battery pole piece is prolonged, and the contact area of the sewage and the battery pole piece is maximized, the treatment efficiency of pollutants is improved. In addition, the flow distribution plate plays a role in distributing sewage and supporting the sites of the battery pole pieces, and the ordered cross arrangement is favorable for fixing the battery pole pieces.
The device utilizes reasonable positive plate to carry on structural design, has both accomplished organic waste water's high-efficient degradation, can accomplish simple swift recovery again after pole piece catalytic activity became invalid, and carrying structure can accomplish quick pole piece and change. Install the crooked folding installation of complete pole piece in the catalytic degradation case that has designed, again with catalytic degradation case submergence in organic sewage treatment pond, special structural design does benefit to pole piece water impact resistance and has increased the area of contact of pole piece with rivers to catalytic degradation effect has been improved, but this kind of box body structure exclusive use also can pile up the use, is an advanced modular design, can adjust quantity according to the waste water treatment demand of difference. The device can solve the problems that the existing pole piece material is small in sewage treatment amount and low in degradation efficiency when used as a catalyst, and used pole pieces are not easy to recover, is favorable for really pushing the device to practical application, and has practical value and scientific research value.
Drawings
Fig. 1 is a schematic overall structural view of a battery pole piece fixing device in an embodiment of the present invention;
FIG. 2 is a schematic diagram of an arrangement of arcuate diverter plates on a base plate in an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a base plate in an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a fixing post according to an embodiment of the present invention;
FIG. 5 is a schematic view of an expanded view of an arcuate diverter plate in an embodiment of the present invention;
FIG. 6 is a schematic view of a battery pole piece securing apparatus to which a battery pole piece is secured in an embodiment of the invention; and
fig. 7 is a top view of a battery pole piece securing apparatus to which a battery pole piece is secured in an embodiment of the invention.
Detailed Description
In order to make the technical means, creation features, achievement objects and effects of the present invention easy to understand, the following describes a battery pole piece fixing device and a method for using the same in detail with reference to the embodiments and the accompanying drawings.
< example >
The present embodiment specifically describes a battery pole piece fixing device and a method for using the same.
Fig. 1 is a schematic view of the overall structure of a battery pole piece fixing device in an embodiment of the invention; fig. 2 is a schematic structural view of an arrangement of arc-shaped splitter plates on a base plate in an embodiment of the present invention.
As shown in fig. 1 and 2, the battery pole piece fixing device 100 is a rectangular parallelepiped, and has overall dimensions of 620mm in length, 483mm in width, and 221mm in height.
The battery pole piece fixing device 100 comprises a bottom plate 10, a frame column 20, a fixing column 30, a flow distribution plate 40, a top frame 50 and a flow distribution plate fixing strip 60.
The bottom plate 10 is rectangular, and four frame columns 20 are respectively fixed at four corners of the rectangle and vertically extend upwards along the bottom plate 10.
The number of the fixing columns 30 is six, namely 12, and two fixing columns 30 in one pair are oppositely arranged and respectively fixed at the edges of two sides of the bottom plate 10, so that two rows of fixing columns which correspond to one another are formed at two sides of the bottom plate 10. The direction of the connecting line between the pair of fixing posts 30, that is, the width direction of the base plate 10 is the first direction X, and the length direction of the base plate is the second direction Y.
Six fixing posts 30 and two frame posts 20 on each side of the base plate 10 are equidistantly disposed on the base plate 10.
In this embodiment, the splitter plate 40 is an arc splitter plate 40 having 7 rows, each row containing 3 arc splitter plates 40. The 3 arc-shaped splitter plates 40 are equidistantly arranged between the pair of fixing columns 30 along the first direction X, and the concave surfaces of all the arc-shaped splitter plates 40 face to one direction. Two adjacent rows of flow distribution plates are staggered with each other, partially overlapped in the first direction X and staggered with each other in the second direction Y. In this embodiment, the distance between the arc flow distribution plates in the same row is 15cm, and in practical application, the distance between the arc flow distribution plates can be adjusted according to the size of water flow, so as to ensure the stability of fixing the battery pole piece.
The top frame 50 is a rectangular frame parallel to the base plate 10, and four vertices of the rectangular frame are fixed to the four frame posts 20, respectively. The top frame 50 includes four columns and 7 reinforcing columns 501 making up the frame. The reinforcing columns 501 are rectangular columns with a length, a width and a height of 15mm, 8mm and 452mm, and are fixed at the middle positions of the corresponding columns of the splitter plates 40.
The splitter plate fixing strips 60 are rectangular strips, and are 7 in total, are uniformly adhered to the bottom plate 10, and extend along the first direction X. Each of the manifold fixing strips 60 extends through a corresponding one of the columns of manifolds 40, and the bottom of each manifold 40 is adhered to the corresponding manifold fixing strip at a middle position.
FIG. 3 is a schematic structural diagram of a base plate in an embodiment of the invention; fig. 4 is a schematic structural diagram of a fixing column according to an embodiment of the present invention; fig. 5 is a schematic view of the deployment of an arcuate diverter plate in an embodiment of the present invention.
As shown in FIGS. 3 to 5, the bottom plate 10 is a rectangular parallelepiped plate having a length of 490mm, a width of 452mm and a height of 8 mm. A plurality of rows of sewage holes 101 which are regularly arranged are arranged on the bottom plate 10, and the radius of the sewage holes 101 is 17 mm.
The fixed column 30 is a hexagon with a side length of 8mm in cross section. The opposite inner sides of the pair of fixing columns 30 are provided with 3 pole piece mounting grooves 301 which are vertically arranged. The pole piece mounting grooves 301 are sequentially arranged along the length direction of the fixing column 30, and the distance between two adjacent pole piece mounting grooves 301 is 2cm-5cm, in this embodiment, the distance is 2 cm. The height of the pole piece mounting groove 301 is matched with the width of the battery pole piece for mounting the battery pole piece.
The radius of curvature of the curved splitter plate 40 is 125mm and the arc is 150 °. The edges of two sides of the arc-shaped diversion plate 40 perpendicular to the bottom plate 10 are provided with rounded rectangular diversion holes 401. The width of the rounded rectangular shunting hole 401 is 16mm, and the height is 180 mm. The height direction of the rounded rectangular shunt holes 401 is perpendicular to the bottom plate 10. Four corners of the rounded rectangular shunting hole 401 are rounded corners with the radius of 5 mm.
FIG. 6 is a schematic view of a battery pole piece fixing device to which a battery pole piece is fixed in an embodiment of the present invention; fig. 7 is a top view of a battery pole piece securing apparatus to which a battery pole piece is secured in an embodiment of the invention.
As shown in fig. 6 and 7, since each fixing post 30 is provided with 3 pole piece mounting grooves 301, 3 battery pole pieces 70 can be vertically mounted between a pair of fixing posts. One end of the battery pole piece 70 is mounted in one mounting groove 301 of one fixed column 30 in one pair, so that the battery pole piece 70 sequentially bypasses 3 arc-shaped splitter plates 40 in a corresponding row and is as close as possible to the arc-shaped splitter plates 40, and then the other end of the battery pole piece 70 is inserted into one mounting groove 301 with the same horizontal height on the other fixed column 30 on the opposite side. And 6 rows of 18 battery pole pieces 70 are sequentially mounted according to the same method.
Because the arc-shaped splitter plates 40 have 7 rows, and two adjacent rows of arc-shaped splitter plates 40 are staggered, a single battery pole piece 70 forms a wave shape when sequentially bypassing each arc-shaped splitter plate 40 between the two rows of splitter plates.
The following describes how to take out the battery pole piece and the use method of the battery pole piece fixing device.
The method for treating the waste battery comprises the following steps:
the method comprises the following steps: a waste lithium battery of model 18650 is used, the length of the battery is 65mm, and the diameter of the battery is 18 mm. And (3) placing the waste battery in a 5 wt% NaCl solution for discharge treatment to remove residual electricity, wherein the discharge time is 24 h.
Step two: the battery after the completion of discharge was taken out, placed in a forced air drying oven, and dried at 60 ℃ for 12 hours.
Step three: and crushing the dried battery, and taking out the positive pole piece. The positive pole piece is quickly placed in absolute ethyl alcohol to prevent oxidation. And then, washing the positive pole piece with water, placing the positive pole piece in a forced air drying oven, and drying for 12 hours at 60 ℃ to obtain the positive pole piece, namely the battery pole piece in the implementation.
The use method of the battery pole piece fixing device comprises the following steps:
one end of the battery pole piece 70 is inserted into the pole piece mounting groove 301 of the fixing post 30, then the battery pole piece 70 is made to wind between two rows of shunt plates along the arc shunt plate 40 as much as possible, and the other end is inserted into the pole piece mounting groove 301 on the opposite side. In order to improve the utilization efficiency, three battery pole pieces are vertically arranged between each pair of fixed columns. The distance of 2cm is kept between the battery pole piece and the battery pole piece from top to bottom, so that water flow can pass through, and the damage to the battery pole piece caused by the overlarge flow speed of sewage is prevented. After the battery pole piece is fixed, slowly placing the battery pole piece fixing device into a sewage treatment tank until the battery pole piece is completely immersed. And (3) adding Persulfate (PS) or monopersulfate (PMS) serving as an oxidant into the sewage treatment tank to provide sulfate radicals. The placed box body is required to enable the water flow direction to be the same as the placing direction of the battery pole piece. Sewage flows in from one side of the convex surface of the flow distribution plate, is distributed after colliding with the flow distribution plate, flows out from the round-angle rectangular flow distribution holes on two sides, and is fully contacted with the battery pole piece. After the battery pole piece fixing device is immersed in water, a large amount of sulfate radicals are generated in a short time under the action of an oxidant and the catalytic action of the battery pole piece and react with pollutants in the water, so that the effect of degrading sewage is achieved. After the treatment is finished or the catalytic activity of the battery pole piece is invalid, the device is taken out, the invalid battery pole piece can be conveniently and quickly taken down, and then a new battery pole piece is replaced, so that the degradation is continued. The method is simple to operate and is environment-friendly.
In practical application, can further optimize, according to the demand of difference, parallelly connected or the series connection use is carried out with the several device, until sewage can all pass through the box, makes sewage degradation efficiency maximize. The sewage can be circularly treated for 2-3 times, and the maximum degradation rate can be achieved.
In the invention, parallel connection means that a plurality of battery pole piece fixing devices are stacked up and down, and sewage flows in from the convex side of the flow distribution plate and flows out from the concave side of each device. The serial connection means that a plurality of battery pole piece fixing devices are sequentially placed in a sewage pool, so that sewage flows in from the convex side of the splitter plate of the previous device and flows out from the concave side and then flows into the convex side of the splitter plate of the next device.
In practical application, the splitter plate can be designed as a rectangular splitter plate, but the arc splitter plate can bear larger hydraulic load compared with the rectangular splitter plate.
Effects and effects of the embodiments
According to the battery pole piece fixing device provided by the embodiment, the battery pole piece fixing device is used for fixing a battery pole piece in sewage and comprises a bottom plate, a plurality of pairs of fixing columns and a plurality of rows of flow distribution plates, wherein the plurality of pairs of fixing columns are respectively positioned at two sides of the bottom plate, each row of flow distribution plates comprises a plurality of flow distribution plates arranged between the pair of fixing columns, two adjacent rows of flow distribution plates are partially overlapped in a first direction, and are staggered in the second direction in sequence, so that when one end of the battery pole piece is fixed on one fixed column of one pair, and the other end of the battery pole piece is fixed on the other fixed column after bypassing one column of the flow distribution plate in sequence, the battery pole pieces sequentially detour between the two rows of flow dividing plates to form waves, the battery pole pieces arranged in the waves increase the flow path of sewage, can reduce the flow speed and increase the contact time between the sewage and the battery pole pieces, thereby make the area of contact maximize of sewage and battery pole piece, improve the treatment effeciency of pollutant.
The arc splitter plate plays the effect of reposition of redundant personnel sewage and the position of support battery pole piece, and orderly cross arrangement is favorable to the fixed of battery pole piece. The concave surfaces of all the arc-shaped splitter plates in one row face to the same direction and are arranged on the bottom plate at equal intervals, so that sewage can uniformly flow through the splitter plates. Simultaneously, there is a fillet rectangle reposition of redundant personnel hole respectively in the left and right sides of arc flow distribution plate, and fillet radius is 5mm, makes sewage pass through after being shunted, and the fillet can reduce rivers through the resistance in rectangle hole to reduce the rivers and wash away the harm to the reposition of redundant personnel for a long time, the width of fillet rectangle is 16mm, can slow down the velocity of flow when guaranteeing that rivers pass through smoothly, guarantees that sewage and catalyst fully contact.
The arc flow distribution plate is adhered to the flow distribution plate fixing strip, so that a gap exists between the arc flow distribution plate and the bottom plate, water flow can pass through the gap easily, the extending direction of the flow distribution plate fixing strip is consistent with the radial direction of the arc flow distribution plate and is also consistent with the water flow direction, and a certain flow distribution effect is achieved.
Bottom plate, frame post and top frame have formed the frame construction of whole device, and the rectangle bottom plate mainly plays the effect that supports whole device, and the circular hole on the bottom plate also can pass in and out sewage simultaneously, plays certain reposition of redundant personnel effect, makes the sewage of equidirectional in the effluent water sump and pole piece contact, improves the sewage treatment effect, and top frame guarantees that the device is not taking place deformation at the in-process of handling waste water.
The fixed column is provided with 3 pole piece mounting grooves which are vertically arranged, so that the battery pole pieces can be vertically arranged in multiple layers, the utilization efficiency is improved, and meanwhile, the distance between the pole piece mounting grooves and the pole pieces is 2cm-5cm, so that a certain distance is kept between the mounted pole pieces and the pole pieces from top to bottom, water flow is allowed to pass through, and the pole pieces are prevented from being damaged due to overlarge flow speed of sewage. In addition, the pole piece mounting groove is convenient for mounting the pole piece, and the operation is simple and easy to replace.
The device is designed by taking the breathing principle of the gill of the fish as inspiration, can realize the full contact of the catalyst and the sewage, and improves the catalytic efficiency. The device utilizes reasonable positive plate to carry on structural design, has both accomplished organic waste water's high-efficient degradation, can accomplish simple swift recovery again after pole piece catalytic activity became invalid, and carrying structure can accomplish quick pole piece and change. Install in the catalytic degradation case of design with the crooked folding of complete pole piece, again with catalytic degradation case submergence in organic sewage treatment pond, special structural design does benefit to the pole piece and has resisted the water conservancy and assault and increased the area of contact of pole piece with rivers to improved the catalytic degradation effect, this kind of box body structure can the exclusive use, also can pile up the use, is an advanced modular design, can adjust quantity according to the waste water treatment demand of difference. The device can solve the problems that the existing pole piece material is small in sewage treatment amount and low in degradation efficiency when used as a catalyst, and used pole pieces are not easy to recover, is favorable for really pushing the device to practical application, and has practical value and scientific research value.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.
Claims (10)
1. The utility model provides a battery pole piece fixing device for place fixed battery pole piece in sewage, its characterized in that includes:
a base plate;
the plurality of pairs of fixing columns are arranged on the bottom plate and used for fixing the battery pole piece; and
a plurality of rows of flow distribution plates vertically arranged on the bottom plate and used for distributing the sewage,
wherein, the pair of the fixed columns comprises two fixed columns, one fixed column is vertically arranged at the edge of one side of the bottom plate, the other fixed column is oppositely and vertically arranged at the edge of the other side of the bottom plate, one end of the battery pole piece is fixed on one fixed column, the other end is fixed on the other fixed column,
each column of the flow distribution plate comprises a plurality of flow distribution plates, the flow distribution plates are arranged between a pair of the fixing columns, the connecting line between the pair of the fixing columns is a first direction, the direction which is vertical to the first direction in the plane of the bottom plate is a second direction,
the two adjacent rows of the flow distribution plates are partially overlapped in the first direction and are sequentially staggered in the second direction, so that the battery pole piece forms waves when sequentially passing around the flow distribution plates between the two rows of the flow distribution plates.
2. The battery pole piece fixing device according to claim 1, characterized in that:
and the opposite inner sides of the fixing columns are provided with pole piece mounting grooves which are used for fixing the battery pole piece.
3. The battery pole piece fixing device of claim 2, wherein:
the fixed column is provided with 3 pole piece mounting grooves along the length direction of the fixed column, and the distance between every two adjacent pole piece mounting grooves is 2cm-5 cm.
4. The battery pole piece fixture of claim 1, wherein:
wherein, the flow distribution plate is arc flow distribution plate, and all in every row the concave surface of arc flow distribution plate all faces same direction, and the equidistance sets up on the bottom plate.
5. The battery pole piece fixing device of claim 4, wherein:
wherein, the curvature radius of arc flow distribution plate is 125mm, and the radian is 150 °.
6. The battery pole piece fixing device of claim 4, wherein:
the arc flow distribution plate and the edges of two vertical sides of the bottom plate are provided with round corner rectangular flow distribution holes, and four corners of the round corner rectangular flow distribution holes are round corners.
7. The battery pole piece fixing device of claim 4, wherein:
wherein, a plurality of sewage holes are arranged on the bottom plate,
still be equipped with many evenly distributed and the splitter plate fixed strip that is parallel to each other on the bottom plate, be listed in every in the splitter plate the intermediate position department of the bottom of splitter plate with corresponding splitter plate fixed strip fixed connection.
8. The battery pole piece fixture of claim 1, further comprising:
a frame column and a top frame,
wherein the bottom plate is a rectangular plate, the four frame columns are respectively arranged at the four corners of the rectangular plate,
the top frame is a rectangular frame, and four corners of the rectangular frame are fixedly connected with the frame columns respectively.
9. A method of using the battery pole piece fixture of any one of claims 1 to 8, comprising the steps of:
and installing the battery pole piece on the battery pole piece fixing device, and then placing the battery pole piece fixing device into a sewage pool to enable sewage to flow through the battery pole piece.
10. A method of using the battery pole piece fixture of claim 9, wherein:
and placing a plurality of battery pole piece fixing devices into the sewage pool, wherein the orientation of the splitter plate is consistent, so that the sewage flows through the plurality of battery pole piece fixing devices.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010744215.XA CN111960510B (en) | 2020-07-29 | 2020-07-29 | Battery pole piece fixing device and using method thereof |
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| CN202010744215.XA CN111960510B (en) | 2020-07-29 | 2020-07-29 | Battery pole piece fixing device and using method thereof |
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| CN111960510B true CN111960510B (en) | 2022-06-21 |
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