CN220355906U - Drying device and equipment - Google Patents
Drying device and equipment Download PDFInfo
- Publication number
- CN220355906U CN220355906U CN202321905049.2U CN202321905049U CN220355906U CN 220355906 U CN220355906 U CN 220355906U CN 202321905049 U CN202321905049 U CN 202321905049U CN 220355906 U CN220355906 U CN 220355906U
- Authority
- CN
- China
- Prior art keywords
- heat
- plate
- heating
- generating pipe
- drying
- 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.)
- Active
Links
- 238000001035 drying Methods 0.000 title claims abstract description 70
- 238000010438 heat treatment Methods 0.000 claims abstract description 97
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 26
- 230000000712 assembly Effects 0.000 claims abstract description 5
- 238000000429 assembly Methods 0.000 claims abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- 238000000034 method Methods 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The application provides a drying device and equipment, foretell drying device include oven box and apron, the oven box with the apron rotates to be connected, so that the apron lid is located the opening part of oven box, the oven box has been seted up heating chamber and the evacuation mouth that are linked together, the evacuation mouth is used for external evacuation subassembly. The oven box body is provided with a plurality of mounting grooves and a plurality of sliding grooves, and each mounting groove is communicated with a corresponding sliding groove. The drying device further comprises a plurality of heating assemblies, each heating assembly comprises a reinforcing heat-bearing plate and a heating plate, each reinforcing heat-bearing plate is arranged in the corresponding mounting groove, so that the plurality of reinforcing heat-bearing plates are connected with the oven box body, each heating plate is arranged in the corresponding sliding groove, so that the plurality of reinforcing heat-bearing plates are in sliding connection with the oven box body, and each heating plate is in sliding connection with the corresponding reinforcing heat-bearing plate.
Description
Technical Field
The utility model relates to the field of drying, in particular to a drying device and equipment.
Background
In the production process of the lithium ion battery, the lithium ion battery material needs to be dried first to continue the subsequent liquid injection process. The lithium ion battery is generally dried through an oven, and the heating mode of the oven at present generally comprises radiation type heating, wind-carrying type heating, contact type clamp heating, movable vacuum cavity heating and bottom contact type heating.
Most of the current lithium ion battery baking technologies are isobaric contact type vacuum baking, namely, a heating element is also placed in a baking oven for baking. The vacuum discharge of the oven generally occurs in the vacuum heating stage, that is, when the vacuum degree is high (lower than 500 pa), vacuum discharge is easily generated, so that the heating element burns out or fires, and the safety of the vacuum drying equipment is affected.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a drying device capable of preventing vacuum discharge and good in safety and equipment thereof.
The aim of the utility model is realized by the following technical scheme:
the drying device comprises a drying oven body and a cover plate, wherein the drying oven body is rotationally connected with the cover plate, so that the cover plate is covered at an opening of the drying oven body, the drying oven body is provided with a heating cavity and a vacuumizing port which are communicated, and the vacuumizing port is used for externally connecting a vacuumizing assembly;
the oven body is provided with a plurality of mounting grooves and a plurality of sliding grooves, and each mounting groove is communicated with a corresponding sliding groove;
the drying device further comprises a plurality of heating assemblies, each heating assembly comprises a reinforcing heat-bearing plate and a heating plate, each reinforcing heat-bearing plate is arranged in the corresponding mounting groove, so that the plurality of reinforcing heat-bearing plates are connected with the oven box body, each heating plate is arranged in the corresponding sliding groove, so that the plurality of reinforcing heat-bearing plates are in sliding connection with the oven box body, and each heating plate is in sliding connection with the corresponding reinforcing heat-bearing plate.
In one embodiment, the oven body is provided with a first rotating seat, a second rotating seat, a first rotating block and a second rotating block, wherein the first rotating seat is rotationally connected with the first rotating block, the second rotating seat is rotationally connected with the second rotating block, and the first rotating block and the second rotating block are both connected with the cover plate.
In one embodiment, each heating plate comprises a heating tube, a heating tube mounting plate and a heating tube fixing plate, wherein the heating tube mounting plate is provided with a heating tube mounting area, the heating tube is arranged in the heating tube mounting area, so that the heating tube is connected with the heating tube mounting plate, and the heating tube fixing plates are respectively connected with the heating tube and the heating tube mounting plate.
In one embodiment, the heating tube is an S-shaped heating tube.
In one embodiment, the heating tube fixing plate is provided with a temperature measuring area, and the temperature measuring area is used for placing a temperature sensor.
In one embodiment, the heat pipe fixing plate is an aluminum plate.
In one embodiment, the heating tube, the temperature sensor and the evacuation assembly are all electrically connected to an external control system.
In one embodiment, the reinforced heat-bearing plate is an aluminum plate.
In one embodiment, the oven housing is an integrally formed structure.
A drying apparatus comprising a drying device according to any one of the above embodiments.
Compared with the prior art, the utility model has at least the following advantages:
1. because the oven box body is provided with the vacuumizing port, and the cover plate is covered at the opening of the oven box body, namely, the heating cavity is vacuumized through the vacuumizing assembly, so that the vacuum state in the heating cavity is maintained. Then heat the reinforcement heat-bearing plate through the piece that generates heat, the rethread consolidates and heat the battery of heat-bearing plate to the heating intracavity and toasts the processing, so can keep apart the piece that generates heat and heating chamber to avoid the battery to burn out or the condition emergence that fires of the piece that generates heat that leads to in the stoving in-process vacuum discharge effectively, and then promoted drying device's security effectively.
2. Because the heating cavity is in a high negative pressure state during vacuum baking, the reinforcing heat bearing plate can bear the high negative pressure during vacuum baking, and therefore the structural stability of the drying device is effectively improved.
3. Because the piece that generates heat is located in the spout and the piece that generates heat respectively with oven box and consolidate and hold hot plate sliding connection, when the piece that generates heat breaks down, need not to wait for the oven box cooling and can take out the piece that generates heat, so can shorten drying device's maintenance time effectively, can also promote drying device's convenient to use simultaneously effectively.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a drying device according to an embodiment;
fig. 2 is a partial structural schematic view of the drying apparatus of fig. 1;
fig. 3 is a schematic view illustrating a structure of the drying apparatus shown in fig. 1 at another view angle;
fig. 4 is a partial structural view of the drying device shown in fig. 1;
fig. 5 is a partial structural schematic view of the drying apparatus of fig. 1.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The application provides a drying device includes oven box and apron, the oven box with the apron rotates to be connected, so that the apron lid is located the opening part of oven box, the heating chamber and the evacuation mouth that are linked together have been seted up to the oven box, the evacuation mouth is used for external evacuation subassembly. The oven box body is provided with a plurality of mounting grooves and a plurality of sliding grooves, and each mounting groove is communicated with a corresponding sliding groove. The drying device further comprises a plurality of heating assemblies, each heating assembly comprises a reinforcing heat-bearing plate and a heating plate, each reinforcing heat-bearing plate is arranged in the corresponding mounting groove, so that the plurality of reinforcing heat-bearing plates are connected with the oven box body, each heating plate is arranged in the corresponding sliding groove, so that the plurality of reinforcing heat-bearing plates are in sliding connection with the oven box body, and each heating plate is in sliding connection with the corresponding reinforcing heat-bearing plate.
Referring to fig. 1 to 3, for a better understanding of the drying apparatus 10 of the present application, the drying apparatus 10 is further explained as follows:
the drying device 10 according to an embodiment includes a drying oven 100 and a cover plate 200, where the drying oven 100 is rotatably connected with the cover plate 200, so that the cover plate 200 is covered at an opening of the drying oven 100, the drying oven 100 is provided with a heating cavity 102 and a vacuum-pumping port 104, which are communicated with each other, and the vacuum-pumping port 104 is used for externally connecting a vacuum-pumping assembly (not shown). The oven body 100 is provided with a plurality of mounting grooves 106 and a plurality of sliding grooves 108, and each mounting groove 106 is communicated with a corresponding sliding groove 108. The drying device 10 further includes a plurality of heating assemblies 300, each heating assembly 300 includes a reinforced heat-bearing plate 310 and a heat-generating plate 320, each reinforced heat-bearing plate 310 is disposed in the corresponding mounting groove 106, so that the plurality of reinforced heat-bearing plates 310 are connected to the oven housing 100, each heat-generating plate 320 is disposed in the corresponding chute 108, so that the plurality of reinforced heat-bearing plates 310 are slidably connected to the oven housing 100, and each heat-generating plate 320 is slidably connected to a corresponding reinforced heat-bearing plate 310.
In this embodiment, the oven body 100 is provided with the vacuumizing port 104, and the cover plate 200 is covered on the opening of the oven body 100, that is, the heating cavity 102 is vacuumized by the vacuumizing assembly, so that the inside of the heating cavity 102 is kept in a vacuum state. Then heat the reinforcement heat-bearing plate 310 through the heating element, and then dry the battery in the heating cavity 102 through the reinforcement heat-bearing plate 310, so that the heating element and the heating cavity 102 can be isolated, the condition that the heating element burns out or fires due to vacuum discharge in the drying process of the battery is effectively avoided, and the safety of the drying device 10 is effectively improved.
Further, since the heating chamber 102 is in a state of high negative pressure during vacuum baking, the reinforcing heat-bearing plate 310 is provided to bear the high negative pressure during vacuum baking, thereby effectively improving the structural stability of the drying device 10.
Further, since the heating element is disposed in the chute 108 and is slidably connected with the oven housing 100 and the reinforced heat-bearing plate 310, when the heating element fails, the heating element can be taken out without waiting for the cooling of the oven housing 100, so that the maintenance time of the drying device 10 can be effectively shortened, and the convenience of use of the drying device 10 can be effectively improved.
Further, since the oven body 100 is provided with the plurality of reinforced heat-carrying plates 310 and the plurality of heating plates 320, and each reinforced heat-carrying plate 310 is disposed in the corresponding mounting groove 106 and each heating plate 320 is disposed in the corresponding sliding groove 108, the heating uniformity in the heating chamber 102 can be effectively ensured.
As shown in fig. 3, in one embodiment, the oven body 100 is provided with a first rotating base 110, a second rotating base 120, a first rotating block 130 and a second rotating block 140, wherein the first rotating base 110 is rotationally connected with the first rotating block 130, the second rotating base 120 is rotationally connected with the second rotating block 140, and the first rotating block 130 and the second rotating block 140 are both connected with the cover plate 200. It can be appreciated that the cover plate 200 can be covered at the opening of the oven housing 100 by controlling the first and second rotating blocks 130 and 140, thereby effectively securing the sealability of the drying apparatus 10.
As shown in fig. 5, in one embodiment, each of the heat-generating plates 320 includes a heat-generating tube 3210, a heat-generating tube mounting plate 3220 and a heat-generating tube fixing plate 3230, the heat-generating tube mounting plate 3220 is provided with a heat-generating tube mounting region 3222, the heat-generating tube 3210 is disposed in the heat-generating tube mounting region 3222 so that the heat-generating tube 3210 is connected to the heat-generating tube mounting plate 3220, and the heat-generating tube fixing plate 3230 is connected to the heat-generating tube 3210 and the heat-generating tube mounting plate 3220 respectively. It can be appreciated that the heat pipe 3210 is fixed to the heat pipe mounting plate 3220, and then the heat pipe fixing plate 3230 is connected to the heat pipe mounting plate 3220, i.e., the heat pipe fixing plate 3230 is covered on the heat pipe mounting plate 3220, so as to fix the heat pipe 3210, thereby effectively ensuring the mounting stability of the heat pipe 3210.
As shown in fig. 5, in one embodiment, the heat generating tube 3210 is an S-shaped heat generating tube 3210. It can be appreciated that the S-shaped heat generating tube 3210 provides better heat generation and uniformity of the heat generating plate 320, thereby providing better heating uniformity of the drying apparatus 10.
As shown in fig. 5, in one embodiment, the heat pipe fixing plate 3230 is provided with a temperature measuring area 3232, and the temperature measuring area 3232 is used for placing a temperature sensor (not shown). It can be appreciated that by placing a temperature sensor in the temperature measuring region 3232, the temperature of the heat generating tube 3210 can be monitored in real time.
As shown in fig. 5, in one embodiment, the heat pipe fixing plate 3230 is an aluminum plate. It will be appreciated that aluminum has better heat conductivity and can transfer heat from the heat generating tube 3210 better, thereby ensuring a better heating effect of the drying apparatus 10.
As shown in fig. 1 and 5, in one embodiment, the heat generating tube 3210, the temperature sensor and the vacuum pumping assembly are all electrically connected to an external control system. It will be appreciated that the heat pipes 3210 and the vacuum assembly can be controlled in real time by an external control system while also being able to detect the temperature conditions of the heat generating plate 320 in real time.
It should be noted that, in the present application, only the electrical connection relation of the components is protected, and the control method of the external control system belongs to the prior art and is not in the protection scope of the present application.
In one embodiment, as shown in fig. 4, the reinforced heat-bearing plate 310 is an aluminum plate. It can be appreciated that aluminum has better heat conducting property, and the reinforced heat-bearing plate 310 made of aluminum has better structural strength and better heat conducting property, so that the drying device 10 is ensured to have better heating effect.
In one embodiment, as shown in fig. 1, the oven housing 100 is an integrally formed structure. It can be appreciated that this results in a better structural stability of the oven housing 100.
The application also provides drying equipment, which comprises the drying device in any embodiment.
In this embodiment, the oven body is provided with the vacuumizing port, and the cover plate is covered at the opening of the oven body, that is, the heating cavity is vacuumized through the vacuumizing assembly, so that the vacuum state in the heating cavity is maintained. Then heat the reinforcement heat-bearing plate through the piece that generates heat, the rethread consolidates and holds the battery of hot plate to heating intracavity and carry out the stoving processing, so can keep apart the piece that generates heat with the heating chamber to avoid the battery to burn out or the condition emergence that fires of the piece that generates heat that leads to in the stoving in-process vacuum discharge effectively, and then promoted drying equipment's security effectively.
Further, because the heating cavity is in a high negative pressure state during vacuum baking, the reinforcing heat bearing plate is arranged to bear the high negative pressure during vacuum baking, so that the structural stability of the drying equipment is effectively improved.
Further, because the heating piece is arranged in the sliding groove and is in sliding connection with the oven box body and the reinforcing heat bearing plate respectively, when the heating piece fails, the heating piece can be taken out without waiting for cooling of the oven box body, so that the maintenance time of the drying equipment can be effectively shortened, and meanwhile, the use convenience of the drying equipment can be effectively improved.
Further, as the oven body is provided with the plurality of reinforced heat-bearing plates and the plurality of heating plates, each reinforced heat-bearing plate is arranged in the corresponding mounting groove, and each heating plate is arranged in the corresponding sliding groove, the heating uniformity in the heating cavity can be effectively ensured.
Compared with the prior art, the utility model has at least the following advantages:
1. because the oven box body is provided with the vacuumizing port, and the cover plate is covered at the opening of the oven box body, namely, the heating cavity is vacuumized through the vacuumizing assembly, so that the vacuum state in the heating cavity is maintained. Then heat the reinforcement heat-bearing plate through the piece that generates heat, the rethread consolidates and heat the battery of heat-bearing plate to the heating intracavity and toasts the processing, so can keep apart the piece that generates heat and heating chamber to avoid the battery to burn out or the condition emergence that fires of the piece that generates heat that leads to in the stoving in-process vacuum discharge effectively, and then promoted drying device's security effectively.
2. Because the heating cavity is in a high negative pressure state during vacuum baking, the reinforcing heat bearing plate can bear the high negative pressure during vacuum baking, and therefore the structural stability of the drying device is effectively improved.
3. Because the piece that generates heat is located in the spout and the piece that generates heat respectively with oven box and consolidate and hold hot plate sliding connection, when the piece that generates heat breaks down, need not to wait for the oven box cooling and can take out the piece that generates heat, so can shorten drying device's maintenance time effectively, can also promote drying device's convenient to use simultaneously effectively.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. The drying device comprises a drying oven body and a cover plate, wherein the drying oven body is rotationally connected with the cover plate so that the cover plate covers the opening of the drying oven body, the drying oven body is provided with a heating cavity and a vacuumizing port which are communicated with each other, the vacuumizing port is used for externally connecting a vacuumizing assembly,
the oven body is provided with a plurality of mounting grooves and a plurality of sliding grooves, and each mounting groove is communicated with a corresponding sliding groove;
the drying device further comprises a plurality of heating assemblies, each heating assembly comprises a reinforcing heat-bearing plate and a heating plate, each reinforcing heat-bearing plate is arranged in the corresponding mounting groove, so that the plurality of reinforcing heat-bearing plates are connected with the oven box body, each heating plate is arranged in the corresponding sliding groove, so that the plurality of reinforcing heat-bearing plates are in sliding connection with the oven box body, and each heating plate is in sliding connection with the corresponding reinforcing heat-bearing plate.
2. The drying device of claim 1, wherein the oven housing is provided with a first rotating base, a second rotating base, a first rotating block and a second rotating block, the first rotating base is rotatably connected with the first rotating block, the second rotating base is rotatably connected with the second rotating block, and the first rotating block and the second rotating block are both connected with the cover plate.
3. The drying apparatus according to claim 1, wherein each of the heat-generating plates includes a heat-generating pipe, a heat-generating pipe mounting plate, and a heat-generating pipe fixing plate, the heat-generating pipe mounting plate is provided with a heat-generating pipe mounting area, the heat-generating pipe is provided in the heat-generating pipe mounting area so that the heat-generating pipe is connected with the heat-generating pipe mounting plate, and the heat-generating pipe fixing plate is connected with the heat-generating pipe and the heat-generating pipe mounting plate, respectively.
4. A drying apparatus according to claim 3, wherein the heating tube is an S-shaped heating tube.
5. A drying apparatus according to claim 3, wherein the heating tube fixing plate is provided with a temperature measuring region for placing a temperature sensor.
6. The drying apparatus of claim 5, wherein the heat pipe fixing plate is an aluminum plate.
7. The drying apparatus of claim 6, wherein the heating tube, the temperature sensor and the vacuum assembly are all electrically connected to an external control system.
8. The drying apparatus of claim 1, wherein the reinforcing heat-bearing plate is an aluminum plate.
9. The drying apparatus of claim 1, wherein the oven housing is an integrally formed structure.
10. A drying apparatus comprising the drying device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321905049.2U CN220355906U (en) | 2023-07-19 | 2023-07-19 | Drying device and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321905049.2U CN220355906U (en) | 2023-07-19 | 2023-07-19 | Drying device and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220355906U true CN220355906U (en) | 2024-01-16 |
Family
ID=89501875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321905049.2U Active CN220355906U (en) | 2023-07-19 | 2023-07-19 | Drying device and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220355906U (en) |
-
2023
- 2023-07-19 CN CN202321905049.2U patent/CN220355906U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20230221073A1 (en) | Drying apparatus for powder raw material for manufacturing secondary cell with electric heater | |
| CN220355906U (en) | Drying device and equipment | |
| WO2020000358A1 (en) | Split material drying device | |
| CN102925970A (en) | Crucible spraying and drying device, and method of crucible spraying and drying device | |
| CN110066973A (en) | Large-scale Nb3Sn coil is heat-treated multistage temperature equalization system and its temperature control method | |
| WO2024061222A1 (en) | Workpiece water-removal device and drying system | |
| CN206160649U (en) | Coil stock drying device | |
| CN107485276A (en) | A kind of multidimensional steam electricity steam box with double engines | |
| CN218722719U (en) | Battery cell baking device | |
| CN208576943U (en) | Cell apparatus and transport case with it | |
| CN209234772U (en) | A kind of high temperature roaster energy-efficient constant-temperature heat circulation structure | |
| CN212380485U (en) | Air-cooled radiating battery | |
| CN208205634U (en) | A kind of two layers of high vacuum oven of double hot air circulations of energy-saving full intelligence | |
| CN209745431U (en) | Ammeter case production is with having monitoring alarming function equipment | |
| CN207349134U (en) | A kind of air blower | |
| CN206709612U (en) | A kind of refractory material baking box | |
| CN109594057A (en) | A kind of RF superconducting cavity ultrahigh vacuum heat-treatment furnace | |
| CN211476592U (en) | Quick airflow drying device for heat-carrying air | |
| CN212031678U (en) | Lithium cell partial volume detects cabinet | |
| CN211424895U (en) | Drying box | |
| CN213147396U (en) | Improved generation vacuum sintering stove | |
| CN210663667U (en) | Far infrared drying cabinet is used in fire control surfactant production | |
| CN214960186U (en) | Infrared heater that security is good | |
| CN220472283U (en) | High-temperature sintering device for graphite cathode material for lithium ion battery | |
| CN216347480U (en) | Frame type internal rotation oven |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |