CN115837355A - Electrode material demagnetizing device and electrode material demagnetizing method - Google Patents
Electrode material demagnetizing device and electrode material demagnetizing method Download PDFInfo
- Publication number
- CN115837355A CN115837355A CN202211462219.4A CN202211462219A CN115837355A CN 115837355 A CN115837355 A CN 115837355A CN 202211462219 A CN202211462219 A CN 202211462219A CN 115837355 A CN115837355 A CN 115837355A
- Authority
- CN
- China
- Prior art keywords
- electrode material
- demagnetizing
- casing
- inlet
- air inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007772 electrode material Substances 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims description 46
- 230000005389 magnetism Effects 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims 5
- 230000000694 effects Effects 0.000 abstract description 14
- 238000011084 recovery Methods 0.000 description 16
- 230000005347 demagnetization Effects 0.000 description 8
- 239000012535 impurity Substances 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 239000002923 metal particle Substances 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000003913 materials processing Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention belongs to the technical field of secondary batteries, and particularly relates to an electrode material demagnetizing device and an electrode material demagnetizing method. The electrode material demagnetizing device can quickly and efficiently disperse and demagnetize the electrode material, and improves the demagnetizing effect.
Description
Technical Field
The invention belongs to the technical field of demagnetizing devices, and particularly relates to an electrode material demagnetizing device and an electrode material demagnetizing method.
Background
Along with lithium ion battery security requirement is higher and higher, also more and more strict to lithium electricity safety design, lithium electricity raw and other materials management and control and processing procedure processing control, wherein raw and other materials and processing procedure processing mainly come to metal particle (be magnetic impurity in the material) to battery safety influence, and raw and other materials processing and processing procedure processing use's equipment mainly is metal material, if: stainless steel, process equipment wear, cause metal particles to be especially important, lithium battery raw materials contain: positive electrode materials, negative electrode materials, conductive agents, adhesives, and the like; when the raw material containing the metal particles is used in the battery, the metal particles form short-circuit points in the battery in the charging and discharging process of the battery, and the short-circuit positions generate heat to finally cause the safety runaway of the battery core.
Disclosure of Invention
One of the objects of the present invention is: to prior art's not enough, and provide an electrode material and remove magnetism device, utilize dry gas to blow to the material, make the material fully break up under the effect of gas, magnetic force and gravity, thereby magnetism impurity is absorbed by the subassembly that removes magnetism and is detached, and electrode material is discharged from the material discharge gate under the effect of dry gas to use electrode material to realize removing magnetism.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an electrode material removes magnetism device, includes the casing, set up in remove magnetism subassembly in the casing, set up in the material feed inlet on the top of casing, set up in the material discharge gate of the bottom of casing and set up in the dry gas air inlet of casing, the material feed inlet with the material discharge gate is located the both sides limit of casing respectively, it is located to remove magnetism subassembly the bottom of casing, the dry gas air inlet is used for letting in dry gas.
Preferably, the drying air inlet includes a vertical air inlet and a horizontal air inlet.
Preferably, the demagnetizing assembly comprises a plurality of vertically arranged magnets, a demagnetizing cavity is arranged between every two adjacent magnets, and the vertical air inlet is opposite to the demagnetizing cavity.
Preferably, the degaussing assembly comprises seven vertically arranged magnetic blocks, and the heights of the magnetic blocks are sequentially reduced from one end of the material inlet to one end of the material outlet.
Preferably, the heights of the magnetic blocks form an arithmetic progression.
Preferably, the electrode material removes magnetism device and still is provided with recovery unit, recovery unit sets up in the top of removing magnetism subassembly, recovery unit includes discharge tube, recovery tube and cyclone, the one end and the casing intercommunication of discharge tube, the other end of discharge tube with cyclone intercommunication, the one end and the casing intercommunication of recovery tube, the other end of recovery tube with cyclone intercommunication.
Preferably, the material feed inlet includes funnel feed inlet and inlet pipe, be provided with the absorption magnet in the inlet pipe.
Preferably, the height of the material feeding hole is 0.3-3 m.
The second purpose of the invention is: aiming at the defects of the prior art, the electrode material demagnetizing method is provided, the electrode material can be demagnetized quickly and efficiently, and the demagnetizing effect is good.
In order to achieve the purpose, the invention adopts the following technical scheme:
the electrode material demagnetizing method includes setting electrode material inside the said electrode material demagnetizing device, introducing dry gas to the dry gas inlet to demagnetize the electrode material via the demagnetizing assembly and discharging the electrode material from the material outlet.
Preferably, the input speed of the electrode material is 10-50 kg/min, and the ventilation speed of the dry gas inlet is 40-60 m 3 /min。
Compared with the prior art, the invention has the beneficial effects that: the electrode material demagnetizing device can enable the materials entering through the material feeding hole at the top to be scattered under the action of the dry gas, the magnetic force of the demagnetizing assembly, the rebound force generated by movement collision and the gravity of the materials, and magnetic impurities in the materials are adsorbed and removed, so that the demagnetizing effect is achieved.
Drawings
FIG. 1 is a schematic structural diagram of a demagnetizing device for electrode materials of the present invention.
Wherein: 1. a housing; 2. a degaussing assembly; 3. a material feeding port; 31. an adsorption magnet; 4. a material outlet; 5. a drying gas inlet; 51. a vertical air inlet; 52. a horizontal air inlet; 6. a recovery unit; 61. a discharge pipe; 62. a recovery pipe; 63. a cyclone separator.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and the accompanying drawings, but the present invention is not limited thereto.
As shown in FIG. 1, the electrode material of this embodiment removes magnetism device, including casing 1, set up in remove magnetism subassembly 2 in the casing 1, set up in the material feed inlet 3 on the top of casing 1, set up in the material discharge gate 4 of the bottom of casing 1 and set up in the dry gas air inlet 5 of casing 1, material feed inlet 3 with material discharge gate 4 is located the both sides limit of casing 1 respectively, it is located to remove magnetism subassembly 2 the bottom of casing 1, dry gas air inlet 5 is used for letting in dry gas. When removing magnetism edulcoration, throw into casing 1 with electrode material through material feed inlet 3, because the action of gravity, electrode material gets into inside casing 1, dry gas is let in at the dry gas air inlet 5 of casing 1 bottom simultaneously, electrode material is under the effect of dry gas, remove under the effect of magnetism subassembly 2, and move to material discharge gate 4 under the effect of self gravity, electrode material bumps at the motion in-process, produce bounce, magnetic impurity and electrode material dispersion simultaneously, thereby magnetic impurity is got rid of by removing the attraction of magnetism subassembly 2, remaining electrode material continues to move to material discharge gate 4 under the effect of dry gas, thereby discharge.
The drying air inlet 5 of the present embodiment includes a vertical air inlet 51 and a horizontal air inlet 52. The vertical air inlet 51 is filled with dry air, which can generate an upward acting force on the electrode material, so that the electrode material moves in the space of the demagnetizing assembly 2, and the demagnetizing effect is provided. The horizontal air inlet 52 is filled with dry air, so that the electrode material has a moving speed in the horizontal direction, the electrode material is demagnetized under the action of the demagnetizing component 2 and also moves towards the material outlet 4, and a movement track similar to a parabola formed by the electrode material is obtained.
The degaussing assembly 2 of the present embodiment includes a plurality of vertically arranged magnets, a degaussing cavity is arranged between two adjacent magnets, and the vertical air inlet 51 is opposite to the degaussing cavity. The vertical magnet that sets up can increase the demagnetization effect of electrode material, perpendicular air inlet 51 sets up with the demagnetization chamber is relative to make electrode material remove in the demagnetization chamber, provide the dwell time of electrode material in demagnetization subassembly 2, and then improve and remove the demagnetization effect. The number of the magnets is required to be determined according to the demagnetization requirement, and the higher the demagnetization requirement is, the more the number of the magnets is required, and the smaller the number of the magnets is. The number of magnets may be 3, 7, 13, 15, 20, etc.
In the embodiment, the magnetism removing assembly 2 comprises seven vertically-arranged magnetic blocks, and the heights of the magnetic blocks are sequentially reduced from one end of the material inlet 3 to one end of the material outlet 4. Seven vertical magnetic blocks are arranged according to the width of the shell 1, so that the shell 1 is divided into a plurality of demagnetizing cavities, the heights of the magnetic blocks are sequentially reduced, a parabola similar to the moving track of the electrode material is formed, and the demagnetizing efficiency is improved. Preferably, the heights of the seven magnetic blocks form an arithmetic progression.
The electrode material demagnetizing device in the embodiment is further provided with a recovery device 6, the recovery device 6 is arranged at the top of the demagnetizing assembly 2, the recovery device 6 comprises a discharge pipe 61, a recovery pipe 62 and a cyclone separator 63, one end of the discharge pipe 61 is communicated with the shell 1, the other end of the discharge pipe 61 is communicated with the cyclone separator 63, one end of the recovery pipe 62 is communicated with the shell 1, and the other end of the recovery pipe 62 is communicated with the cyclone separator 63. The dry air at the bottom end of the shell 1 enters the shell 1, so that the electrode material floats in the shell 1, part of the electrode material enters the discharge pipe 61 at the top of the shell 1 under the action of the dry air, enters the cyclone separator 63 along the discharge pipe 61, is separated from the dry air under the action of the cyclone separator 63, and enters the shell 1 again through the recovery pipe 62, thereby realizing the recovery of the electrode material and avoiding the waste of the material. Preferably, the cyclone 63 is further provided with a wind outlet pipe for discharging the drying gas.
The material feed inlet 3 of this embodiment includes funnel feed inlet and inlet pipe, be provided with absorption magnet 31 in the inlet pipe. The feed inlet sets up to leaking hopper-shaped, is favorable to throwing into of electrode material, and the diameter of inlet pipe is less than the opening of funnel feed inlet, makes electrode material obtain collecting in inlet pipe department, and the inlet pipe is provided with and adsorbs magnet 31, can carry out preliminary absorption edulcoration to electrode material, provides except that the magnetism effect.
The height of the material feeding hole 3 is 0.3-3 m, and the material feeding hole 3 is arranged to have a certain height, so that the material is kept for a certain time in the descending process, and the demagnetization effect is improved.
The invention also comprises an electrode material demagnetizing method, wherein the electrode material is put into the electrode material demagnetizing device in the embodiment 1, and dry gas is introduced into the dry gas inlet 5 to demagnetize the electrode material through the demagnetizing assembly 2 and discharge the electrode material from the material discharge port 4. Wherein the input speed of the electrode material is controlled to be 10-50 kg/min, and the ventilation speed of the dry gas inlet 5 is controlled to be 40-60 m 3 And/min. Preferably, the input rate of the electrode material is 30kg/min, and the ventilation rate of the dry gas inlet 5 is 50m 3 /min。
Variations and modifications to the above-described embodiments may also occur to those skilled in the art, which fall within the scope of the invention as disclosed and taught herein. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious improvement, replacement or modification made by those skilled in the art based on the present invention is within the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. The utility model provides an electrode material removes magnetism device, its characterized in that, including the casing, set up in remove magnetism subassembly in the casing, set up in the material feed inlet on the top of casing, set up in the material discharge gate of the bottom of casing and set up in the dry gas air inlet of casing, the material feed inlet with the material discharge gate is located the both sides limit of casing respectively, it is located to remove magnetism subassembly the bottom of casing, the dry gas air inlet is used for letting in dry gas.
2. The electrode material demagnetizing device of claim 1, wherein the dry air inlet comprises a vertical air inlet and a horizontal air inlet.
3. The electrode material demagnetizing device of claim 2, wherein the demagnetizing assembly comprises a plurality of vertically arranged magnets, a demagnetizing cavity is arranged between every two adjacent magnets, and the vertical air inlet is opposite to the demagnetizing cavity.
4. The electrode material demagnetizing device of claim 3, wherein the demagnetizing assembly comprises seven vertically arranged magnetic blocks, and the heights of the magnetic blocks are sequentially reduced from one end of the material inlet to one end of the material outlet.
5. The device for removing magnetic field from electrode material as claimed in claim 4, wherein the magnetic blocks have heights in an arithmetic progression.
6. The electrode material demagnetizing device of claim 1, further comprising a recycling device disposed on a top of the demagnetizing assembly, wherein the recycling device comprises a discharge pipe, a recycling pipe and a cyclone separator, one end of the discharge pipe is communicated with the housing, the other end of the discharge pipe is communicated with the cyclone separator, one end of the recycling pipe is communicated with the housing, and the other end of the recycling pipe is communicated with the cyclone separator.
7. The electrode material demagnetizing device of claim 1, wherein the material inlet comprises a funnel inlet and a feed pipe, and the feed pipe is provided with an adsorption magnet.
8. The electrode material demagnetizing device of claim 1, wherein the height of the material feeding port is 0.3 to 3m.
9. A method for demagnetizing an electrode material, comprising the steps of charging the electrode material into the device for demagnetizing an electrode material according to any one of claims 1 to 8, introducing a dry gas into a dry gas inlet, demagnetizing the electrode material by passing the electrode material through a demagnetizing unit, and discharging the electrode material from a material outlet.
10. The method of claim 9, wherein the input rate of the electrode material is 10-50 kg/min, and the ventilation rate of the dry air inlet is 40-60 m 3 /min。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211462219.4A CN115837355A (en) | 2022-11-22 | 2022-11-22 | Electrode material demagnetizing device and electrode material demagnetizing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211462219.4A CN115837355A (en) | 2022-11-22 | 2022-11-22 | Electrode material demagnetizing device and electrode material demagnetizing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115837355A true CN115837355A (en) | 2023-03-24 |
Family
ID=85575803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211462219.4A Pending CN115837355A (en) | 2022-11-22 | 2022-11-22 | Electrode material demagnetizing device and electrode material demagnetizing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115837355A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103204552A (en) * | 2013-04-11 | 2013-07-17 | 山西大学 | Iron removing method during process of extracting aluminum from coal gangue |
| CN205761748U (en) * | 2016-05-17 | 2016-12-07 | 湖南杉杉新能源有限公司 | Gas sweeps formula electric magnetic iron remover |
| CN107377211A (en) * | 2017-08-24 | 2017-11-24 | 郑州莉迪亚医药科技有限公司 | A kind of iron impurities removal device of feed |
| CN206951574U (en) * | 2017-05-09 | 2018-02-02 | 楼奇杰 | A kind of agri-foodstuffs processing dryer |
| CN111268437A (en) * | 2020-02-12 | 2020-06-12 | 肇庆北新建材有限公司 | Powder conveying device and iron powder removing method in powder conveying |
| CN211887397U (en) * | 2020-01-17 | 2020-11-10 | 河北九丛科技有限公司 | Iron removing device for lithium ion battery material |
| CN212120362U (en) * | 2020-03-03 | 2020-12-11 | 天津市晨辉饲料有限公司 | Magnetic separation impurity removal device for pellet feed production |
| CN215571614U (en) * | 2021-08-31 | 2022-01-18 | 上海爱普食品工业有限公司 | Fluidized bed drying device for disodium succinate |
| CN114602649A (en) * | 2022-03-15 | 2022-06-10 | 鞍钢集团北京研究院有限公司 | Magnetic separation and method based on wind gravity magnetic composite force field |
-
2022
- 2022-11-22 CN CN202211462219.4A patent/CN115837355A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103204552A (en) * | 2013-04-11 | 2013-07-17 | 山西大学 | Iron removing method during process of extracting aluminum from coal gangue |
| CN205761748U (en) * | 2016-05-17 | 2016-12-07 | 湖南杉杉新能源有限公司 | Gas sweeps formula electric magnetic iron remover |
| CN206951574U (en) * | 2017-05-09 | 2018-02-02 | 楼奇杰 | A kind of agri-foodstuffs processing dryer |
| CN107377211A (en) * | 2017-08-24 | 2017-11-24 | 郑州莉迪亚医药科技有限公司 | A kind of iron impurities removal device of feed |
| CN211887397U (en) * | 2020-01-17 | 2020-11-10 | 河北九丛科技有限公司 | Iron removing device for lithium ion battery material |
| CN111268437A (en) * | 2020-02-12 | 2020-06-12 | 肇庆北新建材有限公司 | Powder conveying device and iron powder removing method in powder conveying |
| CN212120362U (en) * | 2020-03-03 | 2020-12-11 | 天津市晨辉饲料有限公司 | Magnetic separation impurity removal device for pellet feed production |
| CN215571614U (en) * | 2021-08-31 | 2022-01-18 | 上海爱普食品工业有限公司 | Fluidized bed drying device for disodium succinate |
| CN114602649A (en) * | 2022-03-15 | 2022-06-10 | 鞍钢集团北京研究院有限公司 | Magnetic separation and method based on wind gravity magnetic composite force field |
Non-Patent Citations (1)
| Title |
|---|
| 江用文主编: "《中国茶产品加工》", 上海科学技术出版社, pages: 262 - 264 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107442549B (en) | The dry separation recovery process of valuable component in a kind of waste printed circuit board | |
| CN105826629A (en) | All-component material separation and collection device and method for waste lithium batteries | |
| CN205609702U (en) | Old and useless lithium cell complete set divides material separation collection device | |
| WO2022033096A1 (en) | Automated fine and deep separating method for power batteries, and device | |
| CN107597438A (en) | A kind of new electric dust collector | |
| CN111525209B (en) | Recovery method of power lithium battery | |
| CN106734112A (en) | The production line that waste refrigerator harmless treatment is reclaimed with resource high-efficiency | |
| CN202238313U (en) | Electric bag composite dust catcher | |
| CN115837355A (en) | Electrode material demagnetizing device and electrode material demagnetizing method | |
| CN114614135A (en) | Waste lithium battery discharging device and discharging method based on fluidized particles | |
| CN207533298U (en) | A kind of blanking concentration equipment of magnetic separator | |
| CN212732578U (en) | Factory building anion dust removal purification device | |
| CN207787059U (en) | The copper aluminium separating treatment system of particulate matter pneumatic separator and lithium battery | |
| CN205797488U (en) | A kind of high-pressure electrostatic adsorber for dedusting | |
| CN205868577U (en) | Bipolar lotus that is used for flue gas dust removal whirlwind separator | |
| CN202052627U (en) | Electric field dust-collecting device for electric dust collector | |
| CN213000554U (en) | Demagnetization system for lithium battery raw materials | |
| CN208390242U (en) | Mesh-type anode electrostatic cleaner | |
| CN209997755U (en) | device for screening copper-aluminum materials in waste batteries | |
| CN204751394U (en) | Coal breaker dust suppression device | |
| CN203470157U (en) | Purification and dust removal device and air conditioner | |
| CN221086005U (en) | Cyclone separation device for electric core crushed material separation | |
| CN105727670A (en) | Air filtering method | |
| CN104399591A (en) | Tire pyrolysis carbon black and ash separation method and apparatus thereof | |
| CN210935392U (en) | Convenient processing electromagnetism de-ironing separator to lithium cell material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20230324 |