CN211743332U - Discharge device for waste power lithium ion battery - Google Patents
Discharge device for waste power lithium ion battery Download PDFInfo
- Publication number
- CN211743332U CN211743332U CN202020694756.1U CN202020694756U CN211743332U CN 211743332 U CN211743332 U CN 211743332U CN 202020694756 U CN202020694756 U CN 202020694756U CN 211743332 U CN211743332 U CN 211743332U
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- Prior art keywords
- discharge
- lithium ion
- heating
- cooling
- group
- Prior art date
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 25
- 239000002699 waste material Substances 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 61
- 238000010438 heat treatment Methods 0.000 claims abstract description 50
- 238000001816 cooling Methods 0.000 claims abstract description 47
- 238000001514 detection method Methods 0.000 claims description 6
- 230000002572 peristaltic effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 17
- 238000007599 discharging Methods 0.000 abstract description 14
- 208000028659 discharge Diseases 0.000 description 93
- 239000003792 electrolyte Substances 0.000 description 5
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 description 4
- 235000011152 sodium sulphate Nutrition 0.000 description 4
- 229920006351 engineering plastic Polymers 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
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- Secondary Cells (AREA)
Abstract
The utility model provides a waste power lithium ion battery discharging device, which solves the problems that the discharging efficiency is low in the discharging process of the waste power lithium ion battery and the generated solution can corrode the contacted equipment and pipelines in the prior art; comprises a discharge groove, and discharge liquid is contained in the discharge groove; the support group is used for supporting the battery and is arranged in the discharge groove; the heating group is used for heating the discharge liquid under the condition that the temperature of the discharge liquid in the discharge groove is too low and is communicated with the discharge groove; the cooling group is used for cooling the discharge liquid under the condition that the temperature of the discharge liquid in the discharge groove is overhigh and is communicated with the discharge groove; the utility model provides an old and useless power lithium ion battery discharging device carries out battery discharge through discharge liquid to carry out the adjustment of discharge liquid temperature in the discharge cell through heating group or cooling group according to actual conditions at the in-process that discharges, realize that discharge liquid works throughout in high-efficient discharge temperature interval.
Description
Technical Field
The utility model belongs to the technical field of the battery discharge technique and specifically relates to a waste power lithium ion battery discharge device is related to.
Background
The output and sales volume of China new energy automobiles in 2019 exceeds 120 thousands, the output and sales volume of China new energy automobiles exceeds 50% of the total amount of China in 3 continuous years, and the theoretical retirement volume of power lithium batteries is estimated to be 15.6 GWH. According to the growth speed of the current new energy automobile, the demand of a power lithium battery reaches 125GWH by 2020, the theoretical retirement amount reaches 32GWH, the weight is about 50 ten thousand tons, and the recycling market value reaches 100 million yuan by 2020; by 2030, the theoretical retirement amount reaches 101GWH and the weight of the device is about 156 ten thousand tons. In 2035, the power battery recycling market will break through 600 hundred million.
The waste power batteries still have residual electric quantity after being retired, so that the waste power batteries can be conveniently, safely and efficiently recycled, and the residual electric quantity can enter a subsequent recycling process after being subjected to discharge treatment.
In the prior art, a chemical solution discharge method is mostly adopted in the recovery treatment of the waste lithium ion batteries, that is, the positive and negative electrodes of the batteries are used as the negative electrode and the positive electrode, and the residual electric quantity in the batteries is consumed in the solution through an electrolysis process. At present, a sodium chloride solution is mainly used as an electrolyte, a waste power lithium ion battery is used as a power supply for discharging, the method is simple and feasible, however, in industrial production practice, chloride ions are introduced into a NaCl solution discharging system, so that slurry-contacted equipment and pipelines can be corroded in a subsequent wet recovery process, and then the discharging efficiency of the lithium ion battery is greatly influenced by the external environment temperature, so that the discharging efficiency is low in a low-temperature environment, and the industrial application is not facilitated.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a waste power lithium ion battery discharging device, which solves the problems of the prior art that the discharging efficiency is low in the discharging process of the waste power lithium ion battery, and the generated solution can corrode the contacted equipment and pipelines;
the utility model provides an old and useless power lithium ion battery discharge device, include:
a discharge device for waste power lithium ion batteries comprises:
the discharge groove is filled with discharge liquid;
the support group is used for supporting the battery and is arranged in the discharge groove;
the heating group is used for heating the discharge liquid under the condition that the temperature of the discharge liquid in the discharge groove is too low and is communicated with the discharge groove;
and the cooling group is used for cooling the discharge liquid under the condition that the temperature of the discharge liquid in the discharge groove is overhigh and is communicated with the discharge groove.
As a further technical solution, the method further comprises:
and the circulating conveying device is communicated with one side of the discharge groove.
Preferably, the circulatory transfer device is a peristaltic pump.
As a further technical solution, the method further comprises: and the detection device is arranged adjacent to the circulating conveying device.
As a further technical solution, the method further comprises: and the liquid level sensor is arranged on the discharge groove.
As a further technical solution, the method further comprises:
the temperature sensor is arranged on the discharge groove;
and the control system is respectively connected with the temperature sensor, the heating group and the cooling group.
As a further technical solution, the support group comprises:
the support column is arranged at the bottom of the discharge tank;
and the tray is arranged on the support column.
As a further technical scheme, a plurality of slotted holes are formed in the tray.
As a further technical solution, the heating group comprises:
the heating device is communicated with the discharge groove through heating pipelines on two sides;
the first valve is arranged on the heating pipelines at two sides of the heating device.
As a further technical solution, the cooling group comprises:
the cooling device is communicated with the heating pipeline through cooling pipelines on two sides;
and the second valves are arranged on the cooling pipelines at two sides of the cooling device.
The technical scheme of the utility model is that the battery is arranged on the support group in the discharge groove containing the discharge liquid, the battery is discharged through the discharge liquid, and the temperature of the discharge liquid in the discharge groove is adjusted through the heating group or the cooling group according to the actual situation in the discharging process, so that the discharge liquid always works in a high-efficiency discharge temperature range;
in addition, the discharge liquid in the discharge tank adopts sodium sulfate solution as discharge medium, and the sodium sulfate is not consumed in the chemical discharge process, thereby reducing the cost.
Moreover, the residual voltage of the battery after discharging through the technical scheme of the utility model is 0-3V; puncture discharge can be further developed, the high-efficiency discharge can be carried out to 0V, and the combination of the two discharge methods avoids a large amount of time required for directly discharging chemical discharge to 0V on one hand, and puncture under low voltage on the other hand avoids safety risks such as fire and explosion caused by direct puncture under high residual electric quantity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the waste power lithium ion battery discharge device of the present invention.
Description of reference numerals:
1-a discharge tank; 2-a support group; 21-a support column; 22-a tray; 3-heating group; 31-a heating device; 32-heating the pipeline; 33-a first valve; 4-cooling group; 41-a cooling device; 42-a cooling pipe; 43-a second valve; 5-circulating conveying device.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, a discharge device for a waste power lithium ion battery includes:
a discharge vessel 1 provided at a position to be used as required; discharge liquid is contained in the discharge groove 1; the battery in the discharge groove 1 is discharged through the discharge liquid, the preferred discharge liquid is sodium sulfate, and the sodium sulfate does not have consumption in the discharge reaction, so the discharge liquid solute does not need to be further supplemented in the discharge process, and the cost is reduced;
the support group 2 is arranged in the discharge groove 1, and the battery is supported by the support group 2; specifically, at the stage of use, the batteries are placed on the support group 2; the battery is prevented from directly contacting the bottom of the discharge groove 1 to influence the flow of the discharge liquid; wherein,
the support group 2 comprises a support column 21 and a tray 22, wherein the support column 21 is arranged at the bottom of the discharge tank 1; the tray 22 is arranged on the support column 21; batteries are placed through the matching of the supporting columns 21 and the trays 22; in the utility model, the height of the support column 21 is adjustable, and can be telescopic, plug-in type, etc.; of course, any structure capable of adjusting the height can be used as the supporting column 21; the existing structure can be adopted, therefore, the utility model does not limit the structure; preferably, the supporting column 21 is made of engineering plastics, the tray 22 is made of engineering plastics, and the height of the supporting column 21 is adjusted by matching bolts made of engineering plastics with a plurality of screw holes in the supporting column 21;
in addition, in the present invention, the tray 22 is provided with a plurality of slots; in the use stage, the discharge liquid can pass through the slotted hole to be contacted with the battery, namely, the discharge liquid can be ensured to freely flow from the slotted hole, and the heat generated in the discharge process can be conveniently and fully exchanged with the discharge liquid;
the heating group 3 is communicated with the discharge groove 1, and the discharge liquid is heated under the condition that the temperature of the discharge liquid in the discharge groove 1 is too low through the heating group 3; the cooling group 4 is communicated with the discharge groove 1, and the discharge liquid is cooled under the condition that the temperature of the discharge liquid in the discharge groove 1 is overhigh through the cooling group 4; in the actual use stage, when the temperature of the discharge liquid in the discharge tank 1 is too low, the discharge liquid is communicated with the discharge tank 1 through the heating group 3, and the discharge liquid is heated through the heating group 3; when the temperature of the discharge liquid in the discharge groove 1 is too high, the discharge liquid is communicated with the discharge groove 1 through the cooling group 4, and the discharge liquid is cooled through the cooling group 4; wherein,
the heating group 3 comprises a heating device 31 and a first valve 33, wherein the heating device 31 is communicated with the discharge groove 1 through heating pipelines 32 on two sides; the first valves 33 are arranged on the heating pipelines 32 at two sides of the heating device 31; the cooling group 4 comprises a cooling device 41 and a second valve 43, the cooling device 41 is communicated with the heating pipeline 32 through a cooling pipeline 42 on two sides; the second valves 43 are provided on the cooling pipes 42 on both sides of the cooling device 41; in a normal state, the first valve 33 and the second valve 43 are closed, when the temperature of the discharge liquid is too low, the first valve 33 is opened, the second valve 43 is closed, a loop is formed between the discharge tank 1 and the heating device 31 through the heating pipeline 32, and the discharge liquid is heated circularly to reach a set temperature; when the temperature of the discharge liquid is too high, the second valve 43 is opened, the first valve 33 is in a closed state, a loop is formed between the discharge tank 1 and the cooling device 41 through the cooling pipeline 42, and the discharge liquid is cooled to reach the set temperature through circulation of the discharge liquid;
in the utility model, the preferred heating device 31 is a heating tank, and a heat-conducting oil heater is arranged outside the bottom of the heating tank to exchange heat with the heating tank, so that the discharge liquid passing through the heating tank is heated; in addition, the cooling device 41 is preferably a cooling tank, and a cooling pipe is inserted into the cooling tank, the cooling pipe is communicated with an external cold source to form a loop, and cooling water is circulated in the cooling pipe, so that when the discharge liquid passes through the cooling tank, heat exchange is performed with the cooling water in the cooling pipe, and the discharge liquid is cooled;
in order to better circulate the discharge liquid, the utility model is preferably provided with a circulating conveying device 5, and the circulating conveying device 5 is communicated with one side of the discharge groove 1; that is, the circulating conveyor 5 is provided on the heating pipeline 32, so that the circulating conveyor 5 can be used in both of the discharge liquid heating and cooling; in the utility model, preferably, the circulating conveying device 5 is a peristaltic pump;
moreover, the utility model is also provided with a detection device which is arranged adjacent to the circulating conveying device 5; specifically, the detection device is arranged at the outlet end of the circulating conveying device 5, so that the flow and the pressure of the discharge liquid passing through the circulating conveying device 5 are detected by the detection device, and the detection device is preferably a flowmeter or a pressure gauge;
in addition, a liquid level sensor is also arranged on the discharge groove 1, the consumption condition of the discharge liquid in the discharge groove 1 is detected through the liquid level sensor, and the discharge liquid can be supplemented according to the data of the liquid level sensor; of course, sensors with different functions, such as a sensor for measuring PH value, a sensor for measuring ORP, etc., may be disposed in the discharge tank 1, and the existing equipment is specifically adopted according to the actual situation, which is not further limited by the present invention;
of course, in order to better perform the overall control, the utility model is preferably further provided with a temperature sensor and a control system, wherein the temperature sensor is arranged on the discharge groove 1; the control system is respectively connected with the temperature sensor, the heating group 3 and the cooling group 4; in the using stage, the control system obtains the temperature of the electrolyte through the temperature sensor, and when the temperature is too low, the control system opens the first valve 33 and enables the heating device 31 to be opened; heating the discharge liquid; when the discharge liquid is heated to the set temperature, the control system acquires a signal of the temperature sensor to close the first valve 33 and the heating device 31; when the temperature of the electrolyte obtained by the temperature sensor is too high, the control system controls the second valve 43 to open, so that the cooling device 41 is communicated with the discharge tank 1 to cool the electrolyte, and the temperature of the electrolyte is obtained by the temperature sensor; when the set temperature is reached, the control system controls the second valve 43 to close;
the utility model discloses in, preferred control system is the PLC controller, opens through the first valve 33 of mode control or the second valve 43 that acquire temperature numerical value to control opening of heating device 31 or cooling device 41 stops.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a waste power lithium ion battery discharge device which characterized in that includes:
the discharge tank (1) is used for containing discharge liquid in the discharge tank (1);
a support group (2) for supporting the battery, arranged in the discharge tank (1);
the heating group (3) is used for heating the discharge liquid under the condition that the temperature of the discharge liquid in the discharge groove (1) is too low and is communicated with the discharge groove (1);
and the cooling group (4) is used for cooling the discharge liquid under the condition that the temperature of the discharge liquid in the discharge groove (1) is overhigh and is communicated with the discharge groove (1).
2. The waste power lithium ion battery discharge device of claim 1, further comprising:
and the circulating conveying device (5) is communicated with one side of the discharge groove (1).
3. The discharge device of waste power lithium ion batteries according to claim 2, characterized in that the circulation conveying device (5) is a peristaltic pump.
4. The waste power lithium ion battery discharge device of claim 2, further comprising:
and the detection device is arranged adjacent to the circulating conveying device (5).
5. The waste power lithium ion battery discharge device of claim 1, further comprising:
and the liquid level sensor is arranged on the discharge groove (1).
6. The waste power lithium ion battery discharge device of claim 1, further comprising:
the temperature sensor is arranged on the discharge groove (1);
and the control system is respectively connected with the temperature sensor, the heating group (3) and the cooling group (4).
7. The discharge device of spent power lithium ion batteries according to claim 1, characterized in that said support group (2) comprises:
the support column (21) is arranged at the bottom of the discharge groove (1);
a tray (22) disposed on the support column (21).
8. The discharge device of waste power lithium ion batteries according to claim 7, characterized in that the tray (22) is provided with a plurality of slots.
9. The discharge device of waste-powered lithium ion batteries according to claim 1, characterized in that the heating group (3) comprises:
the heating device (31) is communicated with the discharge groove (1) through heating pipelines (32) on two sides;
and the first valve (33) is arranged on the heating pipelines (32) at two sides of the heating device (31).
10. The discharge device of spent power lithium ion batteries according to claim 8, characterized in that said cooling group (4) comprises:
a cooling device (41) which is communicated with the heating pipeline (32) through cooling pipelines (42) at two sides;
and the second valves (43) are arranged on the cooling pipelines (42) at two sides of the cooling device (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020694756.1U CN211743332U (en) | 2020-04-29 | 2020-04-29 | Discharge device for waste power lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020694756.1U CN211743332U (en) | 2020-04-29 | 2020-04-29 | Discharge device for waste power lithium ion battery |
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| Publication Number | Publication Date |
|---|---|
| CN211743332U true CN211743332U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020694756.1U Active CN211743332U (en) | 2020-04-29 | 2020-04-29 | Discharge device for waste power lithium ion battery |
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| CN (1) | CN211743332U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113161639A (en) * | 2021-03-10 | 2021-07-23 | 深圳清研装备科技有限公司 | Safe discharge method of waste lithium ion battery |
| 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 |
-
2020
- 2020-04-29 CN CN202020694756.1U patent/CN211743332U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113161639A (en) * | 2021-03-10 | 2021-07-23 | 深圳清研装备科技有限公司 | Safe discharge method of waste lithium ion battery |
| 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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