CN221077198U - Sintering furnace and tunnel kiln for ternary positive electrode material - Google Patents
Sintering furnace and tunnel kiln for ternary positive electrode material Download PDFInfo
- Publication number
- CN221077198U CN221077198U CN202322779710.6U CN202322779710U CN221077198U CN 221077198 U CN221077198 U CN 221077198U CN 202322779710 U CN202322779710 U CN 202322779710U CN 221077198 U CN221077198 U CN 221077198U
- Authority
- CN
- China
- Prior art keywords
- furnace
- furnace body
- sintering
- tunnel kiln
- communicated
- 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
- 238000005245 sintering Methods 0.000 title claims abstract description 45
- 239000007774 positive electrode material Substances 0.000 title description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 239000000779 smoke Substances 0.000 claims description 28
- 230000007246 mechanism Effects 0.000 claims description 15
- 239000010406 cathode material Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 6
- 239000010405 anode material Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 22
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 229910003002 lithium salt Inorganic materials 0.000 description 4
- 159000000002 lithium salts Chemical class 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 239000002912 waste gas Substances 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
- Tunnel Furnaces (AREA)
Abstract
The embodiment of the utility model provides a sintering furnace and a tunnel kiln for ternary anode materials. The provided sintering furnace comprises a furnace body and at least one heating rod; the bottom of the furnace body is provided with a transport port for the material carrying vehicle to pass through along the transport direction, and all heating rods are arranged in the furnace body; the gas inlet pipe is arranged on the furnace body, the gas distribution cavity is arranged in the wall of the furnace body, the plurality of gas inlets are formed in the inner wall of the furnace body, and each gas inlet is communicated with the gas distribution cavity. The tunnel kiln comprises a plurality of sintering furnaces, and the plurality of sintering furnaces are sequentially arranged and connected along the transportation direction. The sintering furnace and the tunnel kiln provided by the utility model can recover heat and reduce the production cost.
Description
Technical Field
The utility model relates to the field of ternary positive electrode material preparation devices, in particular to a sintering furnace and a tunnel kiln for ternary positive electrode materials.
Background
The ternary positive electrode material has the advantages of high energy density, good cycle performance and the like, and solid phase reaction under high temperature is mostly adopted in the synthesis process. This synthesis process requires a suitable kiln for control. In the high-temperature sintering process, the kiln has the problems of high energy consumption, heat dissipation of the kiln body and great heat loss caused by exhaust emission in the kiln. In addition, there are the following problems:
1. in the sintering process, the traditional kiln reduces the heat loss of the kiln body only by adding heat preservation and insulation materials, and the energy consumption and the cost are limited.
2. The traditional kiln uses a single smoke exhaust pipe for exhausting gas in each temperature zone, and the exhaust pipeline is easy to be blocked due to crystallization formed by cooling lithium salt in the exhaust gas.
3. The traditional kiln directly loads the loading sagger through the roller rod, and the stacking layer number of the sagger is limited.
Disclosure of utility model
The utility model aims to provide a sintering furnace and a tunnel kiln for ternary cathode materials, which aim to solve at least one of the problems in the background art.
Embodiments of the present utility model are implemented as follows:
In a first aspect, the present utility model provides a sintering furnace comprising a furnace body and at least one heating rod;
The bottom of the furnace body is provided with a transport port for the material carrying vehicle to pass through along the transport direction, and all heating rods are arranged in the furnace body;
The gas inlet pipe is arranged on the furnace body, the gas distribution cavity is arranged in the wall of the furnace body, the plurality of gas inlets are formed in the inner wall of the furnace body, and each gas inlet is communicated with the gas distribution cavity.
In an alternative embodiment, the number of the heating rods is multiple, the furnace body is a double-cavity furnace body, and one part of the heating rods is uniformly distributed at the position, close to the two opposite side walls, of the furnace body; the other part is uniformly distributed between the two furnace chambers to separate the two furnace chambers;
The number of the transport openings is 2, and the 2 transport openings are correspondingly communicated with the two furnace chambers respectively.
In an alternative embodiment, a smoke exhaust pipe is arranged on the furnace body and communicated with the furnace body;
the number of the smoke exhaust pipes is 2, and the 2 smoke exhaust pipes are respectively communicated with the two furnace chambers.
In an alternative embodiment, a plurality of evenly arranged air inlets are arranged on the furnace walls corresponding to the two furnace chambers.
In a second aspect, the utility model provides a ternary cathode material tunnel kiln, which comprises a plurality of sintering furnaces according to the previous embodiment, wherein the plurality of sintering furnaces are sequentially arranged and connected along the transportation direction.
In an alternative embodiment, the tunnel kiln further comprises a feeding mechanism, wherein the feeding mechanism comprises a belt car, a plurality of rotating rollers which are uniformly arranged along the conveying direction, and a driving mechanism;
The belt skip is matched with the transport port, and the driving mechanism drives the plurality of rotating rollers to roll along the same direction, so that the belt skip is driven to enter the transport port or leave the current transport port to enter the next transport port.
In an alternative embodiment, the number of the heating rods is multiple, the furnace body is a double-cavity furnace body, one part of the heating rods is uniformly distributed on two opposite side walls of the furnace body, and the other part of the heating rods is uniformly distributed between the two furnace chambers;
The number of the transport openings is 2, and the 2 transport openings are correspondingly communicated with the two furnace chambers respectively;
the two conveying ports of all the sintering furnaces are communicated into 2 conveying channels;
The number of the material carrying vehicles is 2, and the 2 material carrying vehicles are respectively positioned in 2 transportation channels.
In an alternative embodiment, a plurality of continuous sintering furnaces on the kiln head of the tunnel kiln and a plurality of continuous sintering furnaces on the kiln tail of the tunnel kiln are provided with smoke exhaust pipes which are communicated with the inside of the kiln body;
The number of the smoke exhaust pipes of each sintering furnace is 2, and the 2 smoke exhaust pipes are respectively communicated with two furnace chambers.
In an alternative embodiment, a plurality of evenly arranged air inlets are formed in the furnace walls corresponding to the two furnace chambers of each sintering furnace, and the two furnace chambers are communicated with each other.
The embodiment of the utility model has the beneficial effects that:
The ternary cathode material is synthesized by using a large amount of oxygen, and the gas distribution cavity is arranged in the furnace wall, so that in the process of inputting gas from the outside (entering of the gas inlet pipe) into the furnace body (discharging of the gas inlet), the heat emitted from the furnace body to the furnace wall is carried into the furnace body again, and the effects of recovering the heat and reducing the cost can be achieved.
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 diagram of a sintering furnace according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a sintering furnace provided by an embodiment of the present utility model, wherein a gas distribution chamber is provided in a furnace wall;
Fig. 3 is a schematic structural diagram of a tunnel kiln according to an embodiment of the present utility model.
Icon: 100-sintering furnace; 101-furnace chamber; 110-a furnace body; 111-a transport port; 112-smoke exhaust pipe; 113-an air inlet pipe; 114-air inlet; 115-a gas distribution chamber; 120-heating rod; 10-a tunnel kiln; 11-a skip car; 12-rotating a roller; 13-kiln heads; 14-kiln tail.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 and 2, a sintering furnace 100 provided in an embodiment of the present utility model includes a furnace body 110 and at least one heating rod 120;
the bottom of the furnace body 110 is provided with a transport opening 111 for the belt skip 11 to pass through along the transport direction, and all the heating rods 120 are arranged in the furnace body 110;
The furnace body 110 is provided with an air inlet pipe 113, a gas distribution cavity 115 is arranged in the wall of the furnace body 110, the inner wall of the furnace body 110 is provided with a plurality of air inlets 114, and each air inlet 114 is communicated with the gas distribution cavity 115.
In the utility model, a large amount of oxygen is needed for synthesizing the ternary cathode material, and the gas distribution cavity 115 is arranged in the furnace wall, so that in the process of inputting gas from the outside (entering through the gas inlet pipe 113) into the furnace body 110 (discharging through the gas inlet 114), the heat emitted from the furnace body 110 to the furnace wall is carried into the furnace body 110 again, and the effects of recovering the heat and reducing the cost can be achieved.
Further, the number of the heating rods 120 is multiple, the furnace body 110 is a double-cavity furnace body 110, one part of the heating rods 120 is uniformly distributed at the position of the furnace body 110 close to the two opposite side walls, and the other part is uniformly distributed between the two furnace chambers 101 to separate the two furnace chambers 101;
Corresponding to the two furnace chambers 101, the number of the transport openings 111 is 2, and the 2 transport openings 111 are respectively communicated with the two furnace chambers 101.
The sintering furnace 100 of the two furnace chambers 101 has high working efficiency.
Further, if the sintering furnace 100 is a furnace comprising a kiln head 13 or a kiln tail 14, a smoke exhaust pipe 112 is arranged on the furnace body 110, and the smoke exhaust pipe 112 is communicated with the inside of the furnace body 110;
The number of the smoke exhaust pipes 112 is 2, and 2 smoke exhaust pipes 112 are respectively communicated with two furnace chambers 101, and the two furnace chambers 101 are mutually communicated.
Each furnace body 110 is provided with 2 smoke exhaust pipes 112, one of the smoke exhaust pipes can work normally after being blocked, and the situation that the smoke exhaust pipes 112 cannot work normally after being blocked due to the fact that only one smoke exhaust pipe 112 is arranged in the existing sintering furnace 100 can be effectively avoided, so that lithium salt crystals in a pipeline can be cleaned conveniently.
Further, in order to make the air intake more uniform, a plurality of air inlets 114 are formed on the furnace walls corresponding to the two furnace chambers 101.
As shown in fig. 1 to 3, the embodiment of the present utility model further provides a ternary cathode material tunnel kiln 10, which includes a plurality of sintering furnaces 100 provided in the embodiment of the present utility model, and the plurality of sintering furnaces 100 are sequentially arranged and connected along a transport direction.
Further, the tunnel kiln 10 further comprises a feeding mechanism, wherein the feeding mechanism comprises a belt car 11, a plurality of rotating rollers 12 which are uniformly arranged along the conveying direction, and a driving mechanism;
the belt car 11 is matched with the transport port 111, and the driving mechanism drives the plurality of rotating rollers 12 to roll along the same direction, so that the belt car 11 is driven to enter the transport port 111 or leave the current transport port 111 to enter the next transport port 111.
The driving mechanism is in the prior art, and may be that each rotating roller 12 is connected with a motor, or that all the rotating rollers 12 are connected on the same chain, and the chain is driven by a motor to rotate, or may be other types of driving mechanisms, and the driving mechanism is in the prior art, so that the description is not repeated herein, and the driving mechanism matched with the tunnel kiln 10 can be referred to in detail.
Further, the two transport ports 111 of all the sintering furnaces 100 are communicated into 2 transport channels;
the number of the belt trucks 11 is 2, and the 2 belt trucks 11 are respectively positioned in 2 transportation channels.
When the rotating roller 12 rolls, the belt carriage 11 moves in the corresponding transport path. The conventional tunnel kiln 10 directly carries loading saggers by the rotating rollers 12, and the number of stacked saggers is limited. The utility model adopts the material carrying trolley of the tunnel kiln 10 to carry the material carrying sagger, the stacking layer number is high, and the productivity is larger.
Further, a plurality of continuous sintering furnaces 100 of the kiln head 13 of the tunnel kiln 10 and a plurality of continuous sintering furnaces 100 of the kiln tail 14 of the tunnel kiln 10 are provided with smoke exhaust pipes 112, and the smoke exhaust pipes 112 are communicated with the inside of the furnace body 110; the number of the smoke exhaust pipes 112 of each sintering furnace 100 is 2, and the 2 smoke exhaust pipes 112 are respectively communicated with the two furnace chambers 101.
The exhaust pipe 112 of the kiln head 13 mainly discharges waste gas, and the exhaust pipe 112 of the kiln tail 14 mainly cools the kiln tail 14.
In summary, the sintering furnace 100 and the tunnel kiln 10 provided by the embodiment of the invention have the following characteristics:
1. In the sintering process, the traditional kiln reduces the heat loss of the furnace body 110 only by adding heat preservation and insulation materials, and the reduction of the energy consumption cost is limited. In the utility model, the gas distribution cavity 115 is arranged in the furnace wall, and in the process of inputting gas from the outside (the inlet pipe 113 enters) into the furnace body 110 (the air inlet 114 is discharged), the heat emitted from the furnace body 110 to the furnace wall is carried into the furnace body 110 again, so that the effects of recovering the heat and reducing the cost can be achieved.
2. Conventional kilns use a single exhaust tube 112 for each temperature zone to exhaust, and crystallization of lithium salts in the exhaust gas by cooling tends to cause blockage of the exhaust duct. The utility model adopts the design of double exhaust pipes 112, and the exhaust pipes 112 can be used alternately, so that the lithium salt crystals in the pipes can be cleaned conveniently.
3. Conventional kilns directly carry the loading sagger by means of rotating rollers 12, and the number of saggers stacked is limited. The utility model adopts the tunnel kiln 10 trolley to carry the material-carrying sagger, the stacking layer is high, and the productivity is larger.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. A sintering furnace, which is characterized by comprising a furnace body and at least one heating rod;
The bottom of the furnace body is provided with a transport port for the feeding vehicle to pass through along the transport direction, and all the heating rods are arranged in the furnace body;
The gas distribution furnace is characterized in that the furnace body is provided with a gas inlet pipe, a gas distribution cavity is arranged in the wall of the furnace body, a plurality of gas inlets are formed in the inner wall of the furnace body, and each gas inlet is communicated with the gas distribution cavity.
2. The sintering furnace according to claim 1, wherein the number of the heating rods is a plurality, the furnace body is a double-cavity furnace body, and a part of the plurality of the heating rods is uniformly distributed at the position, close to two opposite side walls, of the furnace body; the other part is uniformly distributed between the two furnace chambers to separate the two furnace chambers;
And the number of the transport openings is 2, and the 2 transport openings are respectively communicated with the two furnace chambers correspondingly.
3. The sintering furnace according to claim 2, wherein a smoke exhaust pipe is arranged on the furnace body, and the smoke exhaust pipe is communicated with the inside of the furnace body;
the number of the smoke exhaust pipes is 2, and 2 smoke exhaust pipes are respectively communicated with two furnace chambers.
4. The sintering furnace according to claim 2, wherein a plurality of evenly arranged air inlets are formed on furnace walls corresponding to the two furnace chambers.
5. A ternary cathode material tunnel kiln comprising a plurality of sintering furnaces as set forth in claim 1, wherein a plurality of sintering furnaces are sequentially arranged and connected along the transport direction.
6. The tunnel kiln of claim 5, further comprising a feed mechanism comprising a belt car, a plurality of rotating rollers arranged in a uniform arrangement along the transport direction, and a drive mechanism;
The belt conveyor is matched with the transport port, and the driving mechanism drives the rotating rollers to roll along the same direction, so that the belt conveyor is driven to enter the transport port or leave the current transport port to enter the next transport port.
7. The tunnel kiln of claim 6, wherein the number of heating rods is a plurality, the furnace body is a double-cavity furnace body, one part of the plurality of heating rods is uniformly distributed on two opposite side walls of the furnace body, and the other part of the plurality of heating rods is uniformly distributed between two furnace chambers;
The number of the transport openings is 2, and the 2 transport openings are correspondingly communicated with the two furnace chambers respectively;
all the two conveying ports of the sintering furnace are communicated into 2 conveying channels;
the number of the carrying vehicles is 2, and the 2 carrying vehicles are respectively positioned in 2 conveying channels.
8. The tunnel kiln according to claim 7, wherein a plurality of continuous sintering furnaces on a kiln head of the tunnel kiln and a plurality of continuous sintering furnaces on a kiln tail of the tunnel kiln are provided with smoke exhaust pipes, and the smoke exhaust pipes are communicated with the inside of the kiln body;
The number of the smoke exhaust pipes of each sintering furnace is 2,2 smoke exhaust pipes are respectively communicated with two furnace chambers, and the two furnace chambers are mutually communicated.
9. The tunnel kiln according to claim 7, wherein a plurality of evenly arranged air inlets are formed in the furnace walls corresponding to the two furnace chambers of each sintering furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322779710.6U CN221077198U (en) | 2023-10-16 | 2023-10-16 | Sintering furnace and tunnel kiln for ternary positive electrode material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322779710.6U CN221077198U (en) | 2023-10-16 | 2023-10-16 | Sintering furnace and tunnel kiln for ternary positive electrode material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221077198U true CN221077198U (en) | 2024-06-04 |
Family
ID=91253085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322779710.6U Active CN221077198U (en) | 2023-10-16 | 2023-10-16 | Sintering furnace and tunnel kiln for ternary positive electrode material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221077198U (en) |
-
2023
- 2023-10-16 CN CN202322779710.6U patent/CN221077198U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN221077198U (en) | Sintering furnace and tunnel kiln for ternary positive electrode material | |
| CN112781367A (en) | Integral circulation movable brick kiln | |
| CN111578697A (en) | High-efficient multilayer multiseriate atmosphere protection roller kilns | |
| CN203653243U (en) | Device for producing vanadium-nitrogen alloy employing one-step double-push board kiln | |
| CN115540588B (en) | Tunnel kiln, and feeding method, discharging method and processing method of tunnel kiln | |
| CN109341331B (en) | Positive electrode material multistage calcining device | |
| CN219708157U (en) | Screw feeding equipment | |
| CN112129097A (en) | Preparation system of soft magnetic reduced iron powder | |
| CN216115319U (en) | Rotary sintering device for preparing lithium iron phosphate material | |
| JP2000203947A (en) | Firing apparatus for lithium-metal multicomponent oxide and firing method of the same | |
| CN217437768U (en) | Continuous graphitizing furnace and production system for lithium battery negative electrode material | |
| CN116280942A (en) | Screw feeding equipment | |
| CN214426413U (en) | Integral circulation movable brick kiln | |
| CN205940044U (en) | Honeycomb formula catalyst drying equipment | |
| CN202254772U (en) | Continuous type atmosphere protection steel belt furnace with rectangular section furnace tube | |
| CN220931696U (en) | Roller kiln reinforced cooling structure | |
| CN106524752A (en) | Double-layer roller kiln | |
| WO2022073296A1 (en) | Electronic furnace having uniform gas supply function | |
| US20240159466A1 (en) | Heat treatment apparatus for manufacturing active material for secondary battery | |
| CN220649032U (en) | Assembled nonmetallic tube array rotary kiln | |
| CN220931695U (en) | Roller kiln reinforced cooling structure | |
| CN218627710U (en) | Sintering roller kiln | |
| CN211953700U (en) | Continuous carbide furnace device of negative electrode material | |
| CN205425787U (en) | Device of two pushed bat kiln production vanadium nitrogen alloys of one -step method | |
| CN219640663U (en) | Mesh belt furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |