CN219716967U - Saline discharging device of lithium ion battery - Google Patents
Saline discharging device of lithium ion battery Download PDFInfo
- Publication number
- CN219716967U CN219716967U CN202321390881.3U CN202321390881U CN219716967U CN 219716967 U CN219716967 U CN 219716967U CN 202321390881 U CN202321390881 U CN 202321390881U CN 219716967 U CN219716967 U CN 219716967U
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- China
- Prior art keywords
- brine
- lithium ion
- discharging
- ion battery
- discharge
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- 238000007599 discharging Methods 0.000 title claims abstract description 58
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 31
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 title abstract description 27
- 239000011780 sodium chloride Substances 0.000 title abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 239000012267 brine Substances 0.000 claims abstract description 55
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 55
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 150000003839 salts Chemical class 0.000 claims abstract description 25
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 27
- 229910052744 lithium Inorganic materials 0.000 claims description 27
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000002699 waste material Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Primary Cells (AREA)
Abstract
The utility model discloses a saline discharging device of a lithium ion battery, which comprises a discharging torch, a saline discharging battery, a plurality of sealing structures and a saline circulating mechanism, wherein a water outlet hole is formed in the bottom of the discharging torch; the brine discharge cell is divided into a working layer and a brine storage layer from top to bottom, the working layer and the brine storage layer are communicated with each other, and a plurality of placing positions for placing the flashlight are arranged on the inner bottom surface of the working layer; the placing positions are fixedly provided with sealing structures for sealing water outlets of the discharge barrels arranged in the placing positions; the brine circulation mechanism is used for conveying brine in the brine storage layer to the discharge tube in the working layer. The lithium ion battery salt water discharging device can avoid the need of filling the whole salt water discharging pool with salt water when discharging the lithium ion battery, reduces the consumption of the salt water, and can ensure that the discharging and draining work of the lithium ion battery can be carried out in the working layer, thereby avoiding the occupation of the field caused by additionally adding a draining area in the prior art.
Description
Technical Field
The utility model relates to the technical field of lithium ion battery recovery, in particular to a saline discharging device of a lithium ion battery.
Background
In recent years, with the widespread use of lithium ion batteries, a large number of waste lithium batteries have been produced. On one hand, the waste lithium battery contains valuable metals such as nickel, cobalt, lithium and the like, and the unreasonable treatment is easy to cause environmental pollution; on the other hand, cobalt is an important strategic metal, and nickel and cobalt resources in China are relatively deficient. Therefore, it is particularly necessary to select a reasonably economical process to recover the metal resources therein. However, when waste lithium batteries are treated in batch, the residual electric quantity of the batteries is rapidly released in the discharging treatment process due to short circuit, breakage and the like in the decomposition process, so that the waste lithium batteries must be fully discharged before recycling treatment.
At present, two methods are mainly used for safely discharging the waste lithium ion battery, one is discharging by a physical method, and the discharging is mainly realized by discharging through an external load, namely, the discharging is connected with a resistor through the battery; the electric quantity in the battery passes through heat consumption prevention, but the method is only a laboratory test, and large-scale discharge is not feasible; the other is chemical discharging, namely, the anode and cathode metals of the battery are used as cathodes and anodes, the residual electric quantity in the battery is consumed in the solution through the electrolysis process, the sodium chloride solution is mainly used as electrolyte, and the waste lithium ion battery is used as a power supply for discharging.
The patent with the application number of 202222272617.1 discloses a saline discharging device for a waste lithium iron phosphate battery, which comprises a saline discharging battery, wherein a plurality of hanging baskets are uniformly distributed in the saline discharging battery. When the scheme is used, the lithium battery cell is placed in the hanging basket, then the hanging basket is hung in the saline water discharge tank, so that saline water in the saline water discharge tank enters the hanging basket, the lithium battery in the hanging basket is discharged, and the scheme can be used normally on the premise that the saline water is filled in the discharge tank, so that the saline water consumption is large.
Disclosure of Invention
The utility model aims to overcome the technical defects, provides a saline discharging device for a lithium ion battery, and solves the technical problem that the saline consumption is large because the saline discharging device for a waste lithium iron phosphate battery in the prior art needs to be filled with saline on the premise that the saline discharging device for the waste lithium iron phosphate battery is normally used.
In order to achieve the technical purpose, the technical scheme of the utility model provides a saline discharging device of a lithium ion battery, which comprises:
the discharging torch is used for containing the lithium battery, and a water outlet hole is formed in the bottom of the discharging torch;
the brine discharge cell is of a double-layer structure and is divided into a working layer and a brine storage layer from top to bottom, the working layer and the brine storage layer are mutually communicated, a plurality of placing positions for placing the discharge lamps are arranged on the inner bottom surface of the working layer, and a drain hole is formed in the bottom of the brine storage layer;
the sealing structures are fixedly arranged at the placement positions and used for blocking water outlets of the discharge tubes arranged at the placement positions so as to prevent salt water in the discharge tubes from leaking out;
and the brine circulation mechanism is used for conveying brine in the brine storage layer into the discharge tube in the working layer.
Further, the discharge tube comprises a tube body with an opening at the bottom and a supporting screen plate fixedly arranged at the bottom in the tube body, the opening at the bottom of the tube body forms the water outlet hole, and the supporting screen plate and the tube body surround to form a placing cavity of the lithium battery.
Further, the discharge tube further comprises a lifting rope fixedly connected to the top of the tube body.
Further, the sealing structure comprises a sealing ring, the sealing ring is fixedly arranged on the bottom surface in the working layer, and a groove with the shape matched with that of the sealing ring is formed in the bottom of the side wall of the cylinder.
Further, the sealing structure further comprises a sealing ring fixedly arranged in the groove.
Further, the sealing ring is a rubber sealing ring.
Further, a plurality of water guide holes are formed in the sealing ring in the radial direction.
Further, the brine circulation mechanism includes:
one end of the pipeline is communicated with the drain hole, and the other end of the pipeline extends to the upper part of the working layer;
the water outlet valves are detachably and fixedly arranged at one end of the pipeline, which is far away from the drain hole, and are in one-to-one correspondence with the placement positions;
and the circulating pump is fixedly arranged on the pipeline.
Furthermore, a plurality of water discharging ports are formed in the bottom of the working layer, and the water discharging ports and the placement dislocation positions are arranged.
Further, the bottom surface of the brine storage layer is provided with an inclined surface, and the drain hole is arranged at the lowest position of the inclined surface.
Compared with the prior art, the utility model has the beneficial effects that:
in the lithium ion battery salt water discharging device, through with the bilayer structure that the salt water discharging battery is set up into working layer and salt water storage layer from top to bottom, and set up on the position of working layer seal structure is in order to shutoff the apopore of discharge vessel, can avoid when discharging the lithium ion battery need make whole the salt water discharging tank is full of salt water, reduced the quantity of salt water, and can make the discharging and the waterlogging caused by excessive rainfall work of lithium ion battery all can be in the working layer, avoided needing to add the occupation of draining district to the place in addition among the prior art.
Drawings
Fig. 1 is a schematic structural diagram of a brine discharge device of a lithium ion battery provided by the utility model;
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The utility model provides a saline discharging device of a lithium ion battery, which has the structure shown in figure 1 and comprises a discharging torch 1, a saline discharging pool 2, a plurality of sealing structures 3 and a saline circulating mechanism 4, wherein the discharging torch 1 is used for containing the lithium ion battery, and a water outlet hole is formed in the bottom of the discharging tube 1; the brine discharge cell 2 is of a double-layer structure and is divided into a working layer 21 and a brine storage layer 22 from top to bottom, the working layer 21 and the brine storage layer 22 are mutually communicated, a plurality of placement positions for placing the discharge tube 1 are arranged on the inner bottom surface of the working layer 21, and specifically, a plurality of water discharge ports 210 are arranged at the bottom of the working layer 21, and the water discharge ports 210 are arranged with the placement dislocation positions; a drain hole is formed at the bottom of the brine storage layer 22; as a specific example, the bottom surface of the brine storage layer 22 is configured as a slope, and the drain hole is disposed at the lowest position of the slope; the sealing structures 3 are fixedly arranged at the placing positions and used for sealing water outlet holes of the discharge tube 1 at the placing positions so as to prevent brine in the discharge tube 1 from leaking; the brine circulation mechanism 4 is used for conveying brine in the brine storage layer 22 into the discharge vessel 1 in the working layer 21.
In the lithium ion battery salt water discharging device, through setting up the salt water discharging battery 2 into the bilayer structure of working layer 21 and salt water storage layer 22 from top to bottom, and set up on the position of putting of working layer 21 seal structure 3 with shutoff put the apopore of torch 1, can avoid when discharging the lithium ion battery need make whole salt water discharging battery 2 is full of salt water, reduced the quantity of salt water, and can make the discharging and the waterlogging caused by excessive rainfall work of lithium ion battery all can be in the working layer 21, avoided needing to add the occupation of waterlogging caused by excessive rainfall district to the place in addition among the prior art.
It should be noted that, because the waste lithium battery can produce partial heat when discharging in salt water, salt water absorbs heat and evaporates for salt water concentration increases gradually, consequently need adjust the concentration of salt water after the one end time of working, specifically, the accessible is supplied water in order to dilute salt water, when adding water, also can reduce the temperature of salt water simultaneously, avoids the lithium battery to release more heat and makes salt water temperature too high. Meanwhile, in order to avoid that a large amount of heat is discharged due to the large number of lithium batteries in the discharge tube 1, the number of lithium batteries put in at one time can be controlled when the lithium batteries are put in the discharge tube 1.
Specifically, the discharge tube 1 includes a tube 11 with an opening at the bottom and a supporting screen 12 fixedly arranged at the bottom in the tube 11, the opening at the bottom of the tube 11 forms the water outlet hole, and the supporting screen 12 and the tube 11 surround to form a placement cavity of the lithium battery.
It is easy to understand that the supporting mesh plate 12 can support the waste lithium batteries in the placing cavity on one hand, and on the other hand, when the brine flows out from the water outlet hole after discharging, the supporting mesh plate 12 can avoid the waste lithium batteries flowing out along with the water flow.
As a preferred embodiment, the discharge tube 1 further includes a lifting rope 13 fixedly connected to the top of the cylinder 11, so that the discharge tube 1 filled with the waste lithium batteries can be conveniently transferred by an external lifting device.
As shown in fig. 2, which is an enlarged schematic view of a portion a in fig. 1, as a preferred embodiment, the sealing structure 3 includes a sealing ring 31, the sealing ring 31 is fixedly disposed on an inner bottom surface of the working layer 21, a groove with a shape matching that of the sealing ring 31 is formed in a bottom of a side wall of the cylinder 11, and specifically, a height of the sealing ring 31 is higher than a depth of the groove.
It will be appreciated that when the discharge vessel 1 is placed in the placement position, the sealing ring 31 can be inserted into the groove and deformed by gravity extrusion of the discharge vessel 1 and the lithium battery, so that the cross section of the sealing ring 31 is increased to realize sealing effect on the groove.
In order to avoid the brine from being drained out due to the influence of the height (thickness) of the sealing ring 31, as a preferred embodiment, a plurality of water guide holes 310 are formed in the sealing ring 31 along the radial direction; as a specific example, when the discharge vessel 1 is placed in the placement position, the height of the supporting mesh plate 12 does not exceed the height of the water guide holes 310.
It will be appreciated that by providing the sealing ring 31 with a plurality of water guide holes 310 along the radial direction thereof, it is possible to avoid water accumulation on the bottom surface of the working layer 21 and in the middle of the sealing ring 31.
Further, in order to improve the sealing effect, as a preferred embodiment, the sealing structure 3 further includes a sealing ring 32 fixedly disposed in the groove, and specifically, the sealing ring 32 is a rubber sealing ring.
With continued reference to fig. 1, as a preferred embodiment, the brine circulation mechanism 4 includes a pipe 41, a plurality of water outlet valves 42 and a circulation pump 43, wherein one end of the pipe 41 is communicated with the water drain hole, and the other end extends above the working layer 21; a plurality of water outlet valves 42 which are in one-to-one correspondence with the placement positions are detachably and fixedly arranged at one end of the pipeline 41 far away from the water drain hole; the circulation pump 43 is fixedly provided on the pipe 41.
It will be appreciated that the circulation pump 43 is capable of delivering the brine in the brine storage layer 22 to the discharge vessel 1 in the working layer 21 through the pipe 41 and the water outlet valve 42, thereby realizing the recycling of the brine and avoiding the accumulation of a large amount of brine in the brine storage layer 22 after long-term operation.
For the convenience of understanding the present utility model, the following describes the working principle of the present solution in detail with reference to fig. 1 and 2:
when the lithium ion battery discharging device works, waste lithium batteries are filled in the discharging tube 1, then a plurality of discharging tubes 1 filled with the waste lithium batteries are placed at the placing position of the working layer 21, when the lithium ion battery discharging device is placed, the sealing ring 31 positioned at the placing position is required to be embedded into the groove, and the sealing ring 31 and the sealing ring 32 deform under the gravity extrusion of the discharging tube 1 and the lithium batteries, so that the water outlet of the discharging tube 1 is sealed.
And opening the circulating pump 43 and the water outlet valve 42, wherein the circulating pump 43 conveys the brine in the brine storage layer 22 to the discharge cylinder 1 in the working layer 21 through the pipeline 41 and the water outlet valve 42, and the waste lithium batteries in the discharge cylinder 1 are fully contacted with the brine for discharging.
After the discharge is finished, the discharge tube 1 filled with the waste lithium batteries is lifted by an external lifting machine and placed on the outer side of the corresponding placement position, at this time, the sealing ring 31 and the sealing ring 32 remove the plugging effect on the water outlet hole of the discharge tube 1, the water outlet hole of the discharge tube 1 is opened, the saline water flows into the saline water storage layer 22 to be collected after flowing out from the water outlet hole, and then the discharge tube 1 filled with the waste lithium batteries is placed in the working layer 21 to be drained continuously.
The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any of various other corresponding changes and modifications made according to the technical idea of the present utility model should be included in the scope of the claims of the present utility model.
Claims (10)
1. A lithium ion battery brine discharge apparatus, comprising:
the discharging torch is used for containing the lithium battery, and a water outlet hole is formed in the bottom of the discharging torch;
the brine discharge cell is of a double-layer structure and is divided into a working layer and a brine storage layer from top to bottom, the working layer and the brine storage layer are mutually communicated, a plurality of placing positions for placing the discharge lamps are arranged on the inner bottom surface of the working layer, and a drain hole is formed in the bottom of the brine storage layer;
the sealing structures are fixedly arranged at the placement positions and used for blocking water outlets of the discharge tubes arranged at the placement positions so as to prevent salt water in the discharge tubes from leaking out;
and the brine circulation mechanism is used for conveying brine in the brine storage layer into the discharge tube in the working layer.
2. The brine discharge device of claim 1 wherein the discharge vessel comprises a vessel body with an opening at the bottom and a support screen fixedly arranged at the bottom in the vessel body, wherein the opening at the bottom of the vessel body forms the water outlet hole, and the support screen and the vessel body surround to form a placement cavity of the lithium battery.
3. The lithium ion battery brine discharge apparatus of claim 2 wherein the discharge vessel further comprises a lifting rope fixedly attached to the top of the vessel.
4. The lithium ion battery brine discharge device according to claim 2, wherein the sealing structure comprises a sealing ring, the sealing ring is fixedly arranged on the bottom surface in the working layer, and a groove with a shape matched with that of the sealing ring is formed in the bottom of the side wall of the barrel.
5. The lithium ion battery brine discharge apparatus of claim 4 wherein the sealing structure further comprises a sealing ring fixedly disposed within the recess.
6. The lithium ion battery brine discharge apparatus of claim 5 wherein the seal is a rubber seal.
7. The brine discharge apparatus of claim 4 wherein the sealing ring is radially provided with a plurality of water guide holes.
8. The lithium ion battery brine discharge apparatus of claim 1 wherein the brine circulation mechanism comprises:
one end of the pipeline is communicated with the drain hole, and the other end of the pipeline extends to the upper part of the working layer;
the water outlet valves are detachably and fixedly arranged at one end of the pipeline, which is far away from the drain hole, and are in one-to-one correspondence with the placement positions;
and the circulating pump is fixedly arranged on the pipeline.
9. The lithium ion battery brine discharge device according to claim 1, wherein a plurality of water discharging ports are formed in the bottom of the working layer, and the water discharging ports are arranged with the placement dislocation positions.
10. The brine discharge apparatus of claim 1 wherein the bottom surface of the brine storage layer is configured as a slope and the drain hole is disposed at a lowest position of the slope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321390881.3U CN219716967U (en) | 2023-05-30 | 2023-05-30 | Saline discharging device of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321390881.3U CN219716967U (en) | 2023-05-30 | 2023-05-30 | Saline discharging device of lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219716967U true CN219716967U (en) | 2023-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321390881.3U Active CN219716967U (en) | 2023-05-30 | 2023-05-30 | Saline discharging device of lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219716967U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117936966A (en) * | 2024-03-22 | 2024-04-26 | 全南县瑞隆科技有限公司 | Waste lithium battery discharge treatment device |
| CN117936966B (en) * | 2024-03-22 | 2024-05-31 | 全南县瑞隆科技有限公司 | Waste lithium battery discharge treatment device |
-
2023
- 2023-05-30 CN CN202321390881.3U patent/CN219716967U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117936966A (en) * | 2024-03-22 | 2024-04-26 | 全南县瑞隆科技有限公司 | Waste lithium battery discharge treatment device |
| CN117936966B (en) * | 2024-03-22 | 2024-05-31 | 全南县瑞隆科技有限公司 | Waste lithium battery discharge treatment device |
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