CN205282583U - A device that is used for lithium battery materials to remove magnetism foreign matter - Google Patents
A device that is used for lithium battery materials to remove magnetism foreign matter Download PDFInfo
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- CN205282583U CN205282583U CN201520967210.8U CN201520967210U CN205282583U CN 205282583 U CN205282583 U CN 205282583U CN 201520967210 U CN201520967210 U CN 201520967210U CN 205282583 U CN205282583 U CN 205282583U
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a device that is used for lithium battery materials to remove magnetism foreign matter. The device includes the casing, removes the magnetic cavity, installs by what the magnetic sheet constituted remove the interior a plurality of drums of magnetic cavity, insert at every bar magnet in the drum remove the top and the bottom of magnetic cavity and opened inlet and liquid outlet respectively. Inlet from removing magnetism foreign matter device gets into, and when rethread bar magnet and magnetic sheet, the magnetism foreign matter in liquid charging stock or the thick liquids will be held, can not get into down the process one, if magnetism foreign matter content does not reach the index requirement, can circulate and remove the magnetism foreign matter. The utility model discloses can the high -efficient magnetism foreign matter content that reduces in liquid charging stock or the thick liquids.
Description
Technical field
The utility model relates to lithium cell preparation field, particularly relates to a kind of device removing magnetic foreign body in lithium ion battery material.
Background technology
Existing of magnetic foreign body brings very big hidden danger to the safety performance of lithium cell, and the control of the quality product of lithium ion battery material particularly magnetic foreign body is the key solving lithium ion battery safety problem. At present, lithium ion battery material is very high to the requirement of magnetic foreign body, the requirement of anode material of lithium battery magnetic foreign body content is generally about 100ppb by domestic battery producer, magnetic foreign body content requirement in anode material for lithium-ion batteries is generally about 50ppb by high-end battery producer, and external power cell company is then higher to the requirement of magnetic foreign body content in anode material for lithium-ion batteries. So, in process of production must strictly the size of magnetic foreign body particle in control lithium ion battery material, kind and total content, the height of magnetic foreign body content is the major criterion weighing anode material for lithium-ion batteries quality height. First, existing except magnetic foreign body equipment mainly electromagnetism except magnetic machine, principle is adsorbed by the magnetic foreign body in powder body material or liquid by magnetic substance excitation is removed magnetic foreign body equipment, then magnetic substance is carried out demagnetization, magnetic foreign body is rinsed from magnetic substance and discharges magnetic foreign body, and the material of magnetic substance is mainly stainless material, in the process of material handling, along with the change of material properties, equipment material may be caused corrosion by life-time service, it is very difficult to ensure to material except magnetic foreign body effect; Secondly, electromagnetism, except thermal value in magnetic machine working process is big, energy consumption is higher, is restricted because of partial material characteristic when type selecting; Finally, most of powder body material reduces magnetic foreign body content by strong magnetic machine, and current magnetic foreign body content is it is generally advisable to can control at about 50ppb, and by dry method except magnetic foreign body, product direct yield can not be very high.
Practical novel content
The purpose of this utility model is for prior art Problems existing, it is provided that a kind of device removing magnetic foreign body in lithium ion battery material.
The utility model takes following technical scheme:
A kind of device removing magnetic foreign body for lithium battery material, it is characterized in that, described device comprise housing, by magnetic plate form except magnetic cavity, be arranged on described except the multiple cylinders in magnetic cavity, the bar magnet that is inserted in cylinder described in each, have fluid inlet and liquid outlet at the described top except magnetic cavity and bottom.
According to above-mentioned device, it is characterised in that, the described magnetic cavity that removes is made up of polylith magnetic plate, and cross section assumes diamond in shape.
According to above-mentioned device, it is characterised in that, the bottom of cylinder described in each is equipped with and level flow deflector at an angle.
According to above-mentioned device, it is characterised in that, it is provided with interlayer in described housing, described magnetic plate is arranged in described interlayer.
According to above-mentioned device, it is characterised in that, described cylinder and interlayer are non-metallic material.
According to above-mentioned device, it is characterised in that, the magneticstrength of bar magnet described in each is 12000Gs.
According to above-mentioned device, it is characterized in that, described bar magnet is topological design is diamond shaped, and the width between centers of each row's bar magnet is equal, and the width between centers of every a line bar magnet is equal.
According to above-mentioned device, it is characterised in that, the magneticstrength of magnetic plate described in every block is 4000Gs.
According to above-mentioned device, it is characterised in that, the bottom of described housing and level are certain inclination angle.
According to above-mentioned device, it is characterized in that, described non-metallic material is polypropylene material.
The beneficial effects of the utility model: in the utility model embodiment except magnetic foreign body device, its inside is provided with bar magnet and magnetic plate, liquid starting material or slurry flow into except magnetic foreign body device, can magnetic foreign body (iron, zinc, chromium, nickel) in adsorptive liquid raw material or slurry. Utilize this device can efficiently reduce magnetic foreign body content in liquid starting material or slurry, effectively prevent the foreign matter in raw material particularly magnetic foreign body enter into product, so that it may to improve the quality of product. Adopt above-mentioned except magnetic foreign body device in the raw material that lithium ion battery presoma is produced and in the production of positive electrode material, so that it may to improve the quality of product.
Accompanying drawing explanation
Fig. 1 is the diagrammatic cross-section except magnetic foreign body device of the present utility model;
Fig. 2 is the left view sectional view except magnetic foreign body device of the present utility model.
Embodiment
See Fig. 1 and Fig. 2, of the present utility model for lithium battery material except the device of magnetic foreign body comprise housing 6, by magnetic plate 2 form except magnetic cavity 7, be arranged on except the multiple cylinders 3 in magnetic cavity 7, the bar magnet 1 that is inserted in each cylinder 3, have fluid inlet 8 and liquid outlet 9 in top and the bottom except magnetic cavity 7. Cylinder can be fixed on except the sidewall in magnetic foreign body device. The bottom of each cylinder 3 can be provided with and level flow deflector 5 at an angle. Magnetic plate can be arranged in housing in the interlayer 4 arranged. Cylinder 3 and interlayer 4, and the part of other and liquid comes into contact is non-metallic material, it is preferable to polypropylene material. Housing 6 is it is also preferred that be polypropylene material. For making except no backup in magnetic foreign body device, shell bottom and level be certain inclination angle.
Except magnetic cavity can be made up of polylith magnetic plate, and cross section assumes diamond in shape. The layout of bar magnet 1 is also designed to diamond shaped, and the width between centers of each row's bar magnet is equal, and the width between centers of every a line bar magnet is equal. The magneticstrength of each bar magnet 1 is preferably 12000Gs. The magneticstrength of every block magnetic plate is preferably 4000Gs.
Of the present utility model is enter from except the fluid inlet of magnetic foreign body device, then during by bar magnet and magnetic plate, and the magnetic foreign body in liquid starting material or slurry will be held, and can not enter next process; If magnetic foreign body content does not reach index request, it is possible to circulation carries out except magnetic foreign body.
What provide in the present embodiment can efficiently reduce the magnetic foreign body content in liquid starting material or slurry (the magnetic foreign body content in lithium ion battery material can be reduced to below 20ppb) except magnetic foreign body device, effectively prevent the foreign matter in raw material particularly magnetic foreign body enter into product, so that it may to improve the quality of product. Adopt above-mentioned except magnetic foreign body device in the raw material that lithium ion battery presoma is produced and in the production of positive electrode material, so that it may to improve the quality of product.
Claims (10)
1. one kind is removed the device of magnetic foreign body for lithium battery material, it is characterized in that, described device comprise housing, by magnetic plate form except magnetic cavity, be arranged on described except the multiple cylinders in magnetic cavity, the bar magnet that is inserted in cylinder described in each, have fluid inlet and liquid outlet at the described top except magnetic cavity and bottom.
2. device according to claim 1, it is characterised in that, the described magnetic cavity that removes is made up of polylith magnetic plate, and cross section assumes diamond in shape.
3. device according to claim 1, it is characterised in that, the bottom of cylinder described in each is equipped with and level flow deflector at an angle.
4. device according to claim 1, it is characterised in that, it is provided with interlayer in described housing, described magnetic plate is arranged in described interlayer.
5. device according to claim 4, it is characterised in that, described cylinder and interlayer are non-metallic material.
6. device according to claim 1, it is characterised in that, the magneticstrength of bar magnet described in each is 12000Gs.
7. device according to claim 2, is characterized in that, described bar magnet is topological design is diamond shaped, and the width between centers of each row's bar magnet is equal, and the width between centers of every a line bar magnet is equal.
8. device according to claim 2, it is characterised in that, the magneticstrength of magnetic plate described in every block is 4000Gs.
9. device according to claim 1, it is characterised in that, the bottom of described housing and level are certain inclination angle.
10. device according to claim 5, is characterized in that, described non-metallic material is polypropylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520967210.8U CN205282583U (en) | 2015-11-30 | 2015-11-30 | A device that is used for lithium battery materials to remove magnetism foreign matter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520967210.8U CN205282583U (en) | 2015-11-30 | 2015-11-30 | A device that is used for lithium battery materials to remove magnetism foreign matter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205282583U true CN205282583U (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520967210.8U Active CN205282583U (en) | 2015-11-30 | 2015-11-30 | A device that is used for lithium battery materials to remove magnetism foreign matter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470579A (en) * | 2015-11-30 | 2016-04-06 | 金川集团股份有限公司 | Device and method for removing magnetic foreign matter in lithium battery material |
| CN108031517A (en) * | 2017-11-16 | 2018-05-15 | 天津科创复兴科技咨询有限公司 | A kind of industrial chemicals of Solid/liquid two purpose removes magnetic powder crushing device |
| CN113912089A (en) * | 2021-10-09 | 2022-01-11 | 万华化学集团股份有限公司 | Demagnetizing method for salt lake brine |
-
2015
- 2015-11-30 CN CN201520967210.8U patent/CN205282583U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470579A (en) * | 2015-11-30 | 2016-04-06 | 金川集团股份有限公司 | Device and method for removing magnetic foreign matter in lithium battery material |
| CN108031517A (en) * | 2017-11-16 | 2018-05-15 | 天津科创复兴科技咨询有限公司 | A kind of industrial chemicals of Solid/liquid two purpose removes magnetic powder crushing device |
| CN113912089A (en) * | 2021-10-09 | 2022-01-11 | 万华化学集团股份有限公司 | Demagnetizing method for salt lake brine |
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