CN218769720U - Electrolyte recovery reaction system based on micro-nano bubbles - Google Patents
Electrolyte recovery reaction system based on micro-nano bubbles Download PDFInfo
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- CN218769720U CN218769720U CN202223281604.7U CN202223281604U CN218769720U CN 218769720 U CN218769720 U CN 218769720U CN 202223281604 U CN202223281604 U CN 202223281604U CN 218769720 U CN218769720 U CN 218769720U
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- Prior art keywords
- micro
- reaction kettle
- nano bubble
- dissolved air
- reaction system
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 51
- 239000002101 nanobubble Substances 0.000 title claims abstract description 40
- 239000003792 electrolyte Substances 0.000 title claims abstract description 27
- 238000011084 recovery Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000002347 injection Methods 0.000 claims abstract description 6
- 239000007924 injection Substances 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 25
- 238000011049 filling Methods 0.000 claims description 6
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 abstract description 6
- 229910052808 lithium carbonate Inorganic materials 0.000 abstract description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 5
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 2
- 230000004927 fusion Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 10
- 238000002156 mixing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 235000019476 oil-water mixture Nutrition 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 235000019198 oils Nutrition 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- UBAZGMLMVVQSCD-UHFFFAOYSA-N carbon dioxide;molecular oxygen Chemical group O=O.O=C=O UBAZGMLMVVQSCD-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- -1 lithium hexafluorophosphate Chemical compound 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the field of chemical industry, and discloses an electrolyte recovery reaction system based on micro-nano bubbles, which comprises a reaction kettle, a filter, a dissolved air pump, a dissolved air tank and a micro-nano bubble generator; the inlet of the filter is connected to the middle upper part of the reaction kettle through a pipeline; the micro-nano bubble generator is arranged at the bottom of the reaction kettle; a gas injection pipe is arranged between the inlet of the dissolved air pump and the outlet of the dissolved air pump; and a liquid discharge pipe is arranged at the bottom of the reaction kettle. The system is based on micro-nano bubbles, the micro-nano bubbles enriched on an oil-water interface are broken to promote the fusion of the oil-water interface, the combination efficiency of carbonate and lithium ions is improved, and the Li recovery efficiency is improved in the form of lithium carbonate.
Description
Technical Field
The utility model relates to a chemical industry field especially relates to a reaction system is retrieved to electrolyte based on micro-nano bubble.
Background
CN202210601906.3 discloses a method for recovering waste electrolyte of a lithium ion battery, wherein the waste electrolyte contains lithium hexafluorophosphate, which comprises the following steps: s1: adding a saline solution into the collected waste electrolyte to be used as an extracting agent for extraction, separating a lower-layer organic solution from an upper-layer aqueous solution, and recovering the lower-layer organic solution to obtain an organic solvent; s2: and (2) adding water-soluble carbonate and/or water-soluble phosphate into the upper-layer aqueous solution in the step (S1), filtering, and separating to obtain lithium precipitate. The scheme needs multiple times of extraction to obtain higher recovery rate and purity.
The utility model discloses the technical problem that needs to solve is: how to further improve the recovery efficiency of lithium in the electrolyte based on a common reaction kettle.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reaction system is retrieved to electrolyte based on micro-nano bubble, this system is based on micro-nano bubble, promotes the integration of oil water micro-interface through the rupture of enrichment at the micro-nano bubble of profit looks interface, improves the combination efficiency of carbonate and lithium ion to the form of lithium carbonate improves Li's recovery efficiency.
In order to achieve the purpose, the technical scheme adopted by the application is as follows:
an electrolyte recovery reaction system based on micro-nano bubbles comprises a reaction kettle, a filter, a dissolved air pump, a dissolved air tank and a micro-nano bubble generator; the inlet of the filter is connected to the middle upper part of the reaction kettle through a pipeline; the micro-nano bubble generator is arranged at the bottom of the reaction kettle; a gas injection pipe is arranged between the inlet of the dissolved air pump and the outlet of the dissolved air pump; and a liquid discharge pipe is arranged at the bottom of the reaction kettle.
In foretell electrolyte recovery reaction system based on micro-nano bubble, be equipped with the pump between filter and the reation kettle, be equipped with the buffer tank between filter and the dissolved air pump.
In foretell electrolyte recovery reaction system based on micro-nano bubble, be equipped with the agitator on the reation kettle, the agitator includes the motor, the (mixing) shaft of being connected with the motor, fixes at the first stirring leaf group of (mixing) shaft lower part and fixes the second stirring leaf group at the (mixing) shaft middle part.
In the micro-nano bubble-based electrolyte recovery reaction system, the first stirring blade group consists of 3 first blades which are uniformly arranged, and the blade surface and the vertical surface of each first blade form an included angle; the included angle is 30-60 degrees.
In foretell electrolyte recovery reaction system based on micro-nano bubble, the second stirring leaf group comprises 3 second blades of evenly arranged, the blade surface and the vertical coincidence of face of second blade.
In the micro-nano bubble-based electrolyte recovery reaction system, the reaction kettle is provided with an electrolyte filling pipe and a water phase filling pipe.
In the above-mentioned micro-nano bubble-based electrolyte recovery reaction system, a vertical condenser is connected to the reaction kettle, and an outlet of the vertical condenser is connected to a horizontal condenser.
The scheme has at least one of the following advantages or beneficial effects:
the utility model discloses based on micro-nano bubble, promote the integration of oil water micro-interface through the rupture of enrichment at the micro-nano bubble of profit looks interface, improve the combination efficiency of carbonate and lithium ion to the form of lithium carbonate improves Li's recovery efficiency. The utility model discloses preferred micro-nano bubble is oxygen, carbon dioxide, nitrogen gas or other inert gas.
Drawings
FIG. 1 is a flow chart of a pipeline in example 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the present application, generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Example 1
Referring to fig. 1, an electrolyte recovery reaction system based on micro-nano bubbles comprises a reaction kettle 1, a filter 2, a dissolved air pump 3, a dissolved air tank 4 and a micro-nano bubble generator 5; the inlet of the filter 2 is connected to the middle upper part of the reaction kettle 1 through a pipeline; the micro-nano bubble generator 5 is arranged at the bottom of the reaction kettle 1; a gas injection pipe 6 is arranged between the inlet of the dissolved air pump 3 and the outlet of the dissolved air pump 3; and a liquid discharge pipe 7 is arranged at the bottom of the reaction kettle 1.
The system of this embodiment is a closed-loop system, and the cycle process thereof is as follows: the oil-water mixed phase in the reaction kettle 1 is mixed under the stirring action, partial lithium carbonate precipitation can be generated in the process, liquid is pumped to a filter 2 for filtration to obtain an oil-water mixture without precipitation, the oil-water mixture is led into a dissolved air pump 3 through a pipeline, a gas injection pipe 6 is connected onto the pipeline or a pump body of the dissolved air pump, gas is injected through the gas injection pipe 6, the gas and the liquid are mixed in the dissolved air pump 3, then the gas and the liquid enter a dissolved air tank 4 for separating large-size bubbles and then enter a micro-nano bubble generator 5 for micro-nano treatment of the bubbles, the oil-water mixture is mixed with micro-nano bubbles to flow from the bottom of the reaction kettle 1, and the bubbles continuously diffuse to the periphery and are attached to an oil-water interface in the rising process; when the gas rises to a position close to the upper part of the reaction kettle 1, the micro-nano bubbles are broken, the gas-liquid phase micro interface is broken, high-frequency energy is released, oil-water mixing of the micro interface is promoted, carbonate and lithium ions can be combined more frequently, and the precipitation effect of lithium carbonate is improved.
Preferably, a pump 8 is arranged between the filter 2 and the reaction kettle 1, and a buffer tank 17 is arranged between the filter 2 and the dissolved air pump 3.
In the embodiment, a stirrer is arranged on the reaction kettle 1, and the stirrer comprises a motor 9, a stirring shaft 10 connected with the motor 9, a first stirring blade group fixed at the lower part of the stirring shaft, and a second stirring blade group fixed at the middle part of the stirring shaft, wherein the first stirring blade group comprises 3 first blades 11 uniformly arranged, and the blade surface and the vertical surface of each first blade 11 form an included angle; the included angle is 30-60 degrees, such as 45 degrees, the second stirring blade group is composed of 3 second blades 12 which are uniformly arranged, and the blade surface and the vertical surface of each second blade 12 are overlapped.
In practical application, most stirring leaves are all optional, and in order to further improve stirring effect, the stirring leaf of pushing forward formula is designed for first stirring leaf group, designs the stirring leaf group of second stirring leaf group for high disturbance performance, can improve the oil-water mixing degree, and then improves the ability that micro-nano bubble promoted lithium carbonate to deposit.
As a further refinement of the present embodiment, an electrolyte filling pipe 13 and a water phase filling pipe 14 are arranged on the reaction kettle 1, a vertical condenser 15 is connected to the reaction kettle 1, and a horizontal condenser 16 is connected to an outlet of the vertical condenser 15.
And non-condensable gas generated in the reaction process and gas released by the rupture of the micro-nano bubbles are treated by a vertical condenser 15 and a horizontal condenser 16 and then discharged.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. A micro-nano bubble-based electrolyte recovery reaction system is characterized by comprising a reaction kettle, a filter, a dissolved air pump, a dissolved air tank and a micro-nano bubble generator; the inlet of the filter is connected to the middle upper part of the reaction kettle through a pipeline; the micro-nano bubble generator is arranged at the bottom of the reaction kettle; a gas injection pipe is arranged between the inlet of the dissolved air pump and the outlet of the dissolved air pump; and a liquid discharge pipe is arranged at the bottom of the reaction kettle.
2. The micro-nano bubble based electrolyte recovery reaction system according to claim 1, wherein a pump is arranged between the filter and the reaction kettle, and a buffer tank is arranged between the filter and the dissolved air pump.
3. The micro-nano bubble based electrolyte recovery reaction system according to claim 1, wherein a stirrer is arranged on the reaction kettle, and the stirrer comprises a motor, a stirring shaft connected with the motor, a first stirring blade group fixed at the lower part of the stirring shaft, and a second stirring blade group fixed at the middle part of the stirring shaft.
4. The micro-nano bubble based electrolyte recovery reaction system according to claim 3, wherein the first stirring blade group is composed of 3 uniformly arranged first blades, and an included angle is formed between the blade surface and the vertical surface of each first blade; the included angle is 30-60 degrees.
5. The micro-nano bubble-based electrolyte recovery reaction system according to claim 3, wherein the second stirring blade group is composed of 3 uniformly arranged second blades, and the blade surface and the vertical surface of each second blade are overlapped.
6. The micro-nano bubble based electrolyte recovery reaction system according to claim 1, wherein an electrolyte filling pipe and a water phase filling pipe are arranged on the reaction kettle.
7. The micro-nano bubble based electrolyte recovery reaction system according to claim 1, wherein a vertical condenser is connected to the reaction kettle, and an outlet of the vertical condenser is connected to a horizontal condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223281604.7U CN218769720U (en) | 2022-12-06 | 2022-12-06 | Electrolyte recovery reaction system based on micro-nano bubbles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223281604.7U CN218769720U (en) | 2022-12-06 | 2022-12-06 | Electrolyte recovery reaction system based on micro-nano bubbles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218769720U true CN218769720U (en) | 2023-03-28 |
Family
ID=85680404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223281604.7U Active CN218769720U (en) | 2022-12-06 | 2022-12-06 | Electrolyte recovery reaction system based on micro-nano bubbles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218769720U (en) |
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2022
- 2022-12-06 CN CN202223281604.7U patent/CN218769720U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231117 Address after: No. 88, Jinsha South Avenue, High-tech Industrial Park, Hukou County, Jiujiang City, Jiangxi Province 332599 Patentee after: Jiujiang Tianci Resource Recycling Technology Co.,Ltd. Address before: 510760, Guangzhou, Guangdong province Whampoa District Po Po Industrial Zone, East Road, Tat Tat Road, No. 8 Patentee before: GUANGZHOU TINCI MATERIALS TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |