CN221076987U - Heated air circulation stoving case - Google Patents
Heated air circulation stoving case Download PDFInfo
- Publication number
- CN221076987U CN221076987U CN202323059242.1U CN202323059242U CN221076987U CN 221076987 U CN221076987 U CN 221076987U CN 202323059242 U CN202323059242 U CN 202323059242U CN 221076987 U CN221076987 U CN 221076987U
- Authority
- CN
- China
- Prior art keywords
- filter
- air
- dehumidifying
- dehumidification
- air circulation
- 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.)
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- 238000001035 drying Methods 0.000 claims abstract description 26
- 238000007791 dehumidification Methods 0.000 claims abstract description 23
- 238000001179 sorption measurement Methods 0.000 claims abstract description 17
- 230000008929 regeneration Effects 0.000 claims description 11
- 238000011069 regeneration method Methods 0.000 claims description 11
- 230000001172 regenerating effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- GJPVPJBNBCITNZ-UHFFFAOYSA-N [N].[Mn].[Cr] Chemical compound [N].[Mn].[Cr] GJPVPJBNBCITNZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 8
- 239000007774 positive electrode material Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 4
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 4
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000010405 anode material Substances 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
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
- Drying Of Gases (AREA)
Abstract
The utility model discloses a hot air circulation drying box which comprises a box body, wherein a placing frame is arranged in the box body, the placing frame is provided with a drying vehicle and a drying tray for placing positive electrode materials, and a dehumidifying structure is arranged above the box body. Through adopting the dehumidification to adsorb the runner and dehumidify the air that lets in for the lower new trend of absolute humidity gets into the oven, avoid the great new trend of humidity can carry moisture and get into the oven at the cooling in-process, reduce the moisture content of positive electrode material, through adopting the runner of adsorption to dehumidify, the absolute humidity reduces after the outside air dehumidifies through the runner of adsorption, make the new trend circulation of stoving case keep relatively lower humidity, can get into the oven through the filter treatment before the outside air gets into the oven through first filter, first filter can adsorb the dust in the air, avoid dust pollution positive electrode material, aggravate lithium ion battery's self discharge, can filter the air after the dehumidification again through the second filter, further reinforcing filter effect.
Description
Technical Field
The utility model belongs to the technical field of drying equipment, and particularly relates to a hot air circulation drying box.
Background
The hot air circulation drying box is a common drying device, materials are heated and dried through hot air circulation, moisture can react with lithium salt in electrolyte to generate HF gas, the HF gas can react with anode materials, the performance of a battery is poor, and when the performance of the battery is severe, the battery bulges, the shell corrodes and leaks, so that the battery is invalid. Therefore, in the production and manufacturing process of the cathode material, the moisture of the material and the ambient dew point temperature need to be strictly controlled.
In the actual production process, when the anode material is dried and cooled, the humidity in the introduced air is high (the ambient humidity is 70-90%), so that the anode material can absorb the air with high absolute humidity in the cooling process, the moisture of the anode material cannot be reduced to the target moisture (below 500 ppm), and the quality of the anode material is affected.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and the device comprises a box body, wherein a placing frame is arranged in the box body, a drying vehicle and a drying plate for placing positive electrode materials are arranged on the placing frame, a dehumidifying structure is arranged above the box body and used for dehumidifying the entering air, the dehumidifying structure comprises a shell, a dehumidifying and adsorbing rotating wheel is arranged in the shell and connected with one end of a first air inlet pipe, the first air inlet pipe is used for introducing air into the dehumidifying and adsorbing rotating wheel, and an air guide assembly is arranged on the placing frame.
Preferably, the dehumidifying and adsorbing runner is connected with the runner motor through a driving belt, the dehumidifying and adsorbing runner is connected with one end of an exhaust pipe, the other end of the exhaust pipe is connected with a box body, the dehumidifying and adsorbing runner is connected with one end of a dehumidifying pipe, and the dehumidifying and adsorbing runner is connected with one end of a second air inlet pipe.
Preferably, a first filter is disposed on the first air inlet pipe.
Preferably, an air supply fan and a second filter are arranged on the exhaust pipe, and the air supply fan is positioned between the dehumidification adsorption rotating wheel and the second filter.
Preferably, a regeneration fan is arranged on the dehumidifying pipe.
Preferably, the second air inlet pipe is provided with a regeneration heater and a third filter, and the regeneration heater is positioned between the dehumidification adsorption rotating wheel and the third filter.
Preferably, the air guide assembly comprises a driving box, a rotating shaft is connected below the driving box, and an air guide plate is connected to the rotating shaft.
Preferably, the shell of the regenerative heater is made of oxidation-resistant nickel-free chromium-manganese-nitrogen steel and is coated with polytetrafluoroethylene.
Preferably, the lower end of the exhaust pipe is connected with a circulating fan, and a heating box is arranged on one side of the circulating fan.
Preferably, the box body is provided with a moisture exhausting fan, and the box body is connected with a box door.
The technical scheme has the following advantages or beneficial effects:
According to the utility model, the introduced air is dehumidified by adopting the dehumidifying adsorption rotating wheel, so that fresh air with lower absolute humidity enters the oven, the condition that the fresh air with higher humidity can carry moisture into the oven in the cooling process is avoided, the moisture content of the anode material is reduced, the absolute humidity of the outside air is reduced after the outside air is dehumidified by adopting the adsorption rotating wheel, the fresh air circulation of the drying box is kept at relatively lower humidity, the outside air can be filtered before entering the oven through the first filter, the first filter can adsorb dust in the air, the anode material is prevented from being polluted by dust, the self-discharge of the lithium ion battery is aggravated, the dehumidified air can be filtered again through the second filter, and the filtering effect is further enhanced.
Drawings
FIG. 1 is a schematic view of a hot air circulation drying box according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a hot air circulation drying box according to an embodiment of the present utility model;
FIG. 3 is a schematic view of the desiccant rotor in the heated air circulation drying oven of FIG. 1;
Fig. 4 is a schematic structural view of an air guide assembly in the hot air circulation drying box of fig. 1.
Legend description:
1. A case; 2. placing a frame; 3. a dehumidifying structure; 4. a first air inlet pipe; 5. an air guide assembly; 6. an exhaust pipe; 7. a moisture removal pipe; 8. a second air inlet pipe; 9. a first filter; 10. an air supply fan; 11. a second filter; 12. a regenerating fan; 13. a regenerative heater; 14. a third filter; 15. a circulating fan; 16. a heating box; 17. a moisture removal fan; 18. a door; 31. a housing; 32. dehumidifying and adsorbing rotating wheels; 33. a wheel motor; 51. a drive box; 52. a rotating shaft; 53. and an air deflector.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-4, the hot air circulation drying box comprises a box body 1, wherein a placing frame 2 is arranged in the box body 1, a drying vehicle and a drying plate for placing positive electrode materials are arranged in the placing frame 2, a dehumidifying structure 3 is arranged above the box body 1, the dehumidifying structure 3 is used for dehumidifying the entering air, the dehumidifying structure 3 comprises a shell 31, a dehumidifying adsorption rotating wheel 32 is arranged in the shell 31, the dehumidifying adsorption rotating wheel 32 is connected with one end of a first air inlet pipe 4, the first air inlet pipe 4 is used for introducing air into the dehumidifying adsorption rotating wheel 32, and an air guide component 5 is arranged on the placing frame 2.
In this embodiment, through adopting dehumidification absorption runner 32 to dehumidify the air of letting in for the lower new trend of absolute humidity gets into the oven, avoids that the great new trend of humidity can carry moisture in the cooling process and gets into the oven, reduces the moisture content of positive pole material, through adopting absorption runner dehumidification, outside air reduces through absorption runner dehumidification back absolute humidity, makes the new trend circulation of stoving case keep relatively lower humidity.
Adopt the molecular sieve that has a plurality of microporous structures as the absorption runner of dehumidification structure 3, can selectively adsorb moisture to reduce the absolute humidity of new trend, absorption runner adopts 1:1, so that air with relatively high absolute humidity can be discharged under the condition of relatively low regeneration temperature.
As shown in fig. 1 and 3, specifically, the dehumidifying and adsorbing runner 32 is connected with the runner motor 33 through a driving belt, the dehumidifying and adsorbing runner 32 is connected with one end of the exhaust pipe 6, the other end of the exhaust pipe 6 is connected with the box 1, the dehumidifying and adsorbing runner 32 is connected with one end of the dehumidifying pipe 7, and the dehumidifying and adsorbing runner 32 is connected with one end of the second air inlet pipe 8; the rotating wheel motor 33 adopts a variable frequency motor, the motor frequency can be adjusted according to the environmental humidity requirement, the contact area and time of the air with larger absolute humidity and the rotating wheel are increased, and the dehumidification capability of the adsorption rotating wheel is improved to a certain extent.
As shown in fig. 1 and 3, specifically, the first air inlet pipe 4 is provided with a first filter 9, and the air outlet pipe 6 is provided with a second filter 11; can get into the oven through the filter treatment before external air through first filter 9, the dust in the air can be adsorbed to first filter 9, avoids dust pollution positive pole material, aggravates lithium ion battery's self discharge, can filter once more the air after the dehumidification through second filter 11, further strengthens the filter effect.
As shown in fig. 1 and 3, specifically, the exhaust pipe 6 is provided with an air supply fan 10, the air supply fan 10 is located between the dehumidification adsorption rotating wheel 32 and the second filter 11, and the dehumidification pipe 7 is provided with a regeneration fan 12; the air blower 10 can provide strong air blowing capability, rapidly and uniformly distribute air, enhance the air circulation effect, and maintain stable dehumidifying capability by the regenerating blower 12.
As shown in fig. 2 and 3, specifically, the second air inlet pipe 8 is provided with a regeneration heater 13 and a third filter 14, the regeneration heater 13 is positioned between the dehumidifying adsorption rotating wheel 32 and the third filter 14, and the shell of the regeneration heater 13 is made of antioxidant nickel-free chromium-manganese-nitrogen steel and is coated with polytetrafluoroethylene; the magnetic foreign matter can be prevented from being introduced by the regenerative heater 13, wherein the shell of the regenerative heater 13 is made of oxidation-resistant nickel-free chromium-manganese-nitrogen steel and is coated with a thin layer of polytetrafluoroethylene.
As shown in fig. 2 and fig. 4, specifically, the air guiding assembly 5 includes a driving box 51, a rotating shaft 52 is connected below the driving box 51, and an air guiding plate 53 is connected to the rotating shaft 52; the driving box 51 can control the rotating shaft 52 to work, the air deflector 53 is driven to rotate, the angle between the air deflector 53 and the placement frame 2 can be adjusted, the flow direction of air can be controlled, the air flow direction is more uniform, a better air supply effect is achieved, and meanwhile, the air supply angle can be adjusted, so that the air supply quantity can be adjusted according to actual conditions.
As shown in fig. 1 and 2, specifically, the lower end of the exhaust pipe 6 is connected with a circulating fan 15, a heating box 16 is arranged on one side of the circulating fan 15, a moisture-removing fan 17 is arranged on the box body 1, and a box door 18 is connected on the box body 1; the circulation fan 15 can accelerate the flow of internal air, the moisture exhausting fan 17 can exhaust the internal moisture, and the oven door 18 can replace the oven car and the oven tray.
Working principle: through adopting dehumidification adsorption runner 32 to dehumidify the air of letting in for the lower new trend of absolute humidity gets into the oven, avoid the great new trend of humidity can carry moisture to get into the oven at the cooling in-process, reduce the moisture content of positive electrode material, through adopting adsorption runner dehumidification, absolute humidity reduces after the outside air dehumidifies through adsorption runner, make the new trend circulation of stoving case keep relatively lower humidity, can get into the oven through first filter 9 before through filtration treatment to outside air, first filter 9 can adsorb the dust in the air, avoid dust pollution positive electrode material, aggravate lithium ion battery's self discharge, can filter the air after the dehumidification once more through second filter 11, further strengthen the filter effect.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (10)
1. The utility model provides a heated air circulation stoving case, includes box (1), its characterized in that, box (1) inside is provided with places frame (2), place frame (2) and be provided with the stoving car and the baking tray that are used for placing the anodal material, box (1) top is provided with dehumidification structure (3), dehumidification structure (3) are used for carrying out the dehumidification to the air of entering, dehumidification structure (3) include casing (31), casing (31) inside is provided with dehumidification and adsorbs runner (32), dehumidification adsorbs runner (32) and first intake pipe (4) one end are connected, first intake pipe (4) are used for leading in the air to dehumidification and adsorb runner (32) inside, be provided with wind-guiding subassembly (5) on placing frame (2).
2. The heated air circulation drying oven of claim 1, wherein: the dehumidifying and adsorbing rotating wheel (32) is connected with the rotating wheel motor (33) through a transmission belt, the dehumidifying and adsorbing rotating wheel (32) is connected with one end of the exhaust pipe (6), the other end of the exhaust pipe (6) is connected with the box body (1), the dehumidifying and adsorbing rotating wheel (32) is connected with one end of the dehumidifying pipe (7), and the dehumidifying and adsorbing rotating wheel (32) is connected with one end of the second air inlet pipe (8).
3. The heated air circulation drying oven of claim 1, wherein: the first air inlet pipe (4) is provided with a first filter (9).
4. A heated air circulation drying oven as claimed in claim 2, wherein: an air supply fan (10) and a second filter (11) are arranged on the exhaust pipe (6), and the air supply fan (10) is located between the dehumidifying adsorption rotating wheel (32) and the second filter (11).
5. A heated air circulation drying oven as claimed in claim 2, wherein: the dehumidifying pipe (7) is provided with a regenerating fan (12).
6. A heated air circulation drying oven as claimed in claim 2, wherein: the second air inlet pipe (8) is provided with a regeneration heater (13) and a third filter (14), and the regeneration heater (13) is positioned between the dehumidification adsorption rotating wheel (32) and the third filter (14).
7. The heated air circulation drying oven of claim 1, wherein: the air guide assembly (5) comprises a driving box (51), a rotating shaft (52) is connected below the driving box (51), and an air guide plate (53) is connected to the rotating shaft (52).
8. The heated air circulation drying oven of claim 6, wherein: the shell of the regeneration heater (13) is made of oxidation-resistant nickel-free chromium-manganese-nitrogen steel, and is coated with polytetrafluoroethylene.
9. A heated air circulation drying oven as claimed in claim 2, wherein: the lower end of the exhaust pipe (6) is connected with a circulating fan (15), and a heating box (16) is arranged on one side of the circulating fan (15).
10. The heated air circulation drying oven of claim 1, wherein: the box body (1) is provided with a moisture exhausting fan (17), and the box body (1) is connected with a box door (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323059242.1U CN221076987U (en) | 2023-11-13 | 2023-11-13 | Heated air circulation stoving case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323059242.1U CN221076987U (en) | 2023-11-13 | 2023-11-13 | Heated air circulation stoving case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221076987U true CN221076987U (en) | 2024-06-04 |
Family
ID=91259669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323059242.1U Active CN221076987U (en) | 2023-11-13 | 2023-11-13 | Heated air circulation stoving case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221076987U (en) |
-
2023
- 2023-11-13 CN CN202323059242.1U patent/CN221076987U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |