CN219829487U - Graphitization furnace for preparing lithium ion battery cathode material - Google Patents
Graphitization furnace for preparing lithium ion battery cathode material Download PDFInfo
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- CN219829487U CN219829487U CN202321243826.1U CN202321243826U CN219829487U CN 219829487 U CN219829487 U CN 219829487U CN 202321243826 U CN202321243826 U CN 202321243826U CN 219829487 U CN219829487 U CN 219829487U
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- furnace
- bottom wall
- lithium ion
- ion battery
- preparing
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 32
- 238000005087 graphitization Methods 0.000 title claims abstract description 22
- 239000010406 cathode material Substances 0.000 title claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 239000000779 smoke Substances 0.000 claims abstract description 11
- 238000005485 electric heating Methods 0.000 claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 30
- 239000007773 negative electrode material Substances 0.000 claims description 19
- 229910002804 graphite Inorganic materials 0.000 claims description 16
- 239000010439 graphite Substances 0.000 claims description 16
- 229910052799 carbon Inorganic materials 0.000 claims description 14
- 239000011449 brick Substances 0.000 claims description 13
- 238000004321 preservation Methods 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 11
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
- 239000010405 anode material Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material 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
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- Carbon And Carbon Compounds (AREA)
Abstract
The utility model relates to a graphitization furnace for preparing a lithium ion battery cathode material, which comprises a plurality of single furnaces; an inter-furnace platform is arranged between adjacent single-body furnaces; a cavity is formed in the furnace platform and used for radiating heat; the single body furnace comprises a bottom wall; the left side and the right side of the bottom wall are respectively provided with a side wall; the front side and the rear side of the bottom wall are provided with furnace heads; the single-body furnace is a box body structure which is enclosed by the bottom wall, the side wall and the furnace end to form an opening at the top; a furnace cover is arranged at the opening of the top of the single furnace and is used for closing the opening of the top of the single furnace; a plurality of electric heating wires are uniformly distributed at the top of the bottom wall and are used for heating the graphitizing furnace; the furnace end is provided with an electrode; the electrode is electrically connected with the heating wire; a flue is arranged at the outer side of the graphitizing furnace; a smoke exhaust pipe is arranged on the furnace cover; the smoke exhaust pipe is communicated with the flue. The utility model has the advantages of simple structure, high production efficiency, electricity saving, energy saving and the like.
Description
Technical Field
The utility model relates to the technical field of preparation of lithium ion battery cathode materials, in particular to a graphitization furnace for preparing a lithium ion battery cathode material.
Background
The new energy is widely applied to energy storage and transportation means due to environmental protection, and the lithium ion battery is used as one of the new energy and is widely used at present.
The preparation of the negative electrode material applied to the lithium ion battery is generally carried out by adopting an Acheson graphitizing furnace at present, but the Acheson graphitizing furnace consumes large electric energy and has long production period, thereby leading to high preparation cost of the negative electrode material of the lithium ion battery.
Disclosure of Invention
Therefore, the utility model provides a graphitizing furnace for preparing a lithium ion battery negative electrode material, which mainly solves the technical problems of high electric energy consumption and long production period when the lithium ion battery negative electrode material is prepared by using an Acheson graphitizing furnace in the prior art, thereby causing high preparation cost of the lithium ion battery negative electrode material.
In order to achieve the above object, the present utility model provides the following technical solutions:
the graphitization furnace for preparing the lithium ion battery cathode material comprises a plurality of single furnaces; an inter-furnace platform is arranged between adjacent single-body furnaces; a cavity is formed in the furnace platform and used for radiating heat; the single body furnace comprises a bottom wall; the left side and the right side of the bottom wall are respectively provided with a side wall; the front side and the rear side of the bottom wall are provided with furnace heads; the single-body furnace is a box body structure which is enclosed by the bottom wall, the side wall and the furnace end to form an opening at the top; a furnace cover is arranged at the opening of the top of the single furnace and is used for closing the opening of the top of the single furnace; a plurality of electric heating wires are uniformly distributed at the top of the bottom wall and are used for heating the graphitizing furnace; the furnace end is provided with an electrode; the electrode is electrically connected with the heating wire; a flue is arranged at the outer side of the graphitizing furnace; a smoke exhaust pipe is arranged on the furnace cover; the smoke exhaust pipe is communicated with the flue.
Preferably, the furnace end sequentially comprises a furnace end outer wall, a furnace end heat preservation layer and a furnace end graphite block from outside to inside; a furnace end electrode is arranged in the furnace end graphite block; the burner electrode is electrically connected with the electrode.
Preferably, the furnace end outer wall is a heat-insulating brick which is piled together; the furnace end heat preservation is the charcoal piece.
Preferably, a concrete layer is arranged at the top of the furnace end.
Preferably, the side wall comprises a side wall outer wall, a side wall heat preservation layer and a side wall inner layer which are sequentially arranged from outside to inside.
Preferably, the side wall outer wall is a heat insulation brick which is piled together; the side wall heat preservation layer is a carbon block; the inner layer of the side wall is a graphite plate which is piled together.
Preferably, the bottom wall comprises a bottom wall outer layer, a bottom wall heat preservation layer and a bottom wall top layer which are sequentially arranged from outside to inside.
Preferably, the outer layer of the bottom wall is a heat insulation brick which is piled together; the bottom wall heat preservation layer is a carbon block; the top layer of the bottom wall is a graphite plate which is piled together.
Optionally, the furnace cover comprises a trapezoid framework formed by overlapping a plurality of metal profiles; and the outer side of the framework is covered with the housing.
Preferably, the top of the furnace cover is provided with a hanging ring.
The utility model has at least the following beneficial effects:
the device is provided with a plurality of single furnaces, a furnace chamber platform is arranged between adjacent single furnaces, a cavity is arranged in the furnace chamber platform, the single furnaces are box body structures which are enclosed by a bottom wall, side walls and a furnace end to form a top opening, a furnace cover is arranged at the top opening of the single furnaces, a plurality of heating wires are uniformly distributed at the top of the bottom wall and used for heating a graphitizing furnace, an electrode is arranged on the furnace end, and the electrode is electrically connected with the heating wires; the arrangement of the platform between the furnaces is convenient for operators to overhaul and examine; the cavity in the platform between the furnaces has a heat dissipation effect; in the box body structure with the single furnace top opening, the furnace cover is arranged at the single furnace top opening, and the single furnace top opening is closed by the furnace cover; the heating wire is arranged on the bottom wall, so that the single furnace is heated by the bottom, the heat utilization efficiency is higher, and the effects of saving electricity and energy are achieved.
Therefore, the graphitizing furnace for preparing the lithium ion battery cathode material has the advantages of simple structure, high production efficiency, electricity saving, energy saving and the like.
Drawings
In order to more clearly illustrate the prior art and the present utility model, the drawings used in the description of the prior art and the embodiments of the present utility model will be briefly described. It will be apparent to those skilled in the art that the drawings in the following description are merely exemplary and that other drawings may be derived from the drawings provided without the inventive effort to those skilled in the art.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, for example, modifications, variations in proportions, or otherwise, used in the practice of the utility model, which are particularly adapted to specific environments without departing from the spirit and scope of the utility model.
FIG. 1 is a top view of a graphitization furnace for preparing a negative electrode material for a lithium ion battery according to the present utility model;
FIG. 2 is a top cross-sectional view of a single cell furnace of the graphitization furnace for preparing a negative electrode material of a lithium ion battery of the present utility model;
FIG. 3 is a front cross-sectional view of a single cell furnace of the graphitization furnace for preparing a negative electrode material of a lithium ion battery according to the present utility model;
FIG. 4 is a front cross-sectional view of a burner of a graphitization furnace for preparing a negative electrode material of a lithium ion battery according to the present utility model;
FIG. 5 is a top view of the cover of the graphitization furnace for preparing the negative electrode material of the lithium ion battery according to the present utility model;
FIG. 6 is a front cross-sectional view of the cover of the graphitization furnace for preparing the negative electrode material of the lithium ion battery according to the present utility model;
reference numerals illustrate:
1. a monomer furnace; 101. a burner; 1011. a concrete layer; 1012. an external wall of the furnace end; 1013. a furnace end heat preservation layer; 1014. a furnace end graphite block; 1015. a burner electrode; 102. a sidewall; 1021. a side wall outer wall; 1022. a side wall insulating layer; 1023. a sidewall inner layer; 103. a bottom wall; 1031. an outer layer of the bottom wall; 1032. a bottom wall insulation layer; 1033. a bottom wall top layer; 2. a furnace cover; 201. a housing; 202. a skeleton; 203. a hanging ring; 204. a smoke exhaust pipe; 3. heating wires; 4. an electrode; 5. a flue; 6. an inter-furnace platform.
Detailed Description
The utility model will be further described in detail by means of specific embodiments with reference to the accompanying drawings.
In the description of the present utility model: unless otherwise indicated, the meaning of "a plurality" is two or more. The terms "first," "second," "third," and the like in this disclosure are intended to distinguish between the referenced objects without a special meaning in terms of technical connotation (e.g., should not be construed as emphasis on the degree of importance or order, etc.). The expressions "comprising", "including", "having", etc. also mean "not limited to" (certain units, components, materials, steps, etc.).
The terms such as "upper", "lower", "left", "right", "middle", etc. are generally used herein for convenience of visual understanding with reference to the drawings and are not to be construed as absolute limitations on the positional relationship of the actual product. Such changes in the relative positional relationship without departing from the technical idea of the present utility model are also considered as the scope of the present utility model.
The graphitizing furnace for preparing the lithium ion battery cathode material is provided with a plurality of single furnaces 1 as shown in figures 1 to 6, 14 single furnaces 1 are arranged between adjacent single furnaces 1, a furnace platform 6 is arranged between the adjacent single furnaces 1, the furnace platform 6 can be piled up by bricks, a cavity structure is arranged in the furnace platform 6 for heat dissipation, the furnace platform 6 plays a role in heat dissipation, operators can walk on the furnace platform 6 for the whole equipment to carry out the operations of checking, maintaining and the like, the single furnaces 1 comprises a bottom wall 103, the left side and the right side of the bottom wall 103 are provided with side walls 102, furnace heads 101 are arranged on the front side and the rear side of the bottom wall 103, the single furnaces 1 are box structures which are enclosed by the bottom wall 103, the side walls 102 and the furnace heads 101 to form a top opening, the cathode material for preparing the lithium ion battery is prepared in the box bodies, when the furnace cover 2 is arranged at the opening of the top part of the single furnace, and the lithium ion battery cathode material is prepared, the furnace cover 2 can be hoisted and placed at the top part of the single furnace 1, the furnace cover 2 seals the opening of the top part of the single furnace 1, a plurality of electric heating wires 3 are uniformly distributed at the top part of the bottom wall 103 and are used for heating the graphitizing furnace, the electric heating wires are arranged at the bottom part and can save electricity and energy, an electrode 4 is arranged on the furnace end 101, the electrode 4 is electrically connected with the electric heating wires 3, a flue 5 is arranged on the outer side of the graphitizing furnace, a smoke exhaust pipe 204 is arranged on the furnace cover 2, the smoke exhaust pipe 204 is communicated with the flue 5, waste smoke in the flue 5 is treated, the environment is prevented from being polluted, and a purifying device can be arranged on the flue 5 and is mainly used for desulfurizing and denitrating the smoke discharged from the flue 5.
Preferably, in order to keep the graphitizing furnace of the present utility model warm, the furnace end 101 comprises a furnace end outer wall 1012, a furnace end heat insulation layer 1013 and a furnace end graphite block 1014 from outside to inside, the furnace end electrode 1015 is embedded in the furnace end graphite block 1014, and the furnace end electrode 1015 is electrically connected with the electrode 4.
Preferably, the furnace end outer wall 1012 can use insulating bricks, the insulating bricks are piled together, the furnace end insulating layer 1013 is selected to be carbon blocks, the carbon blocks are filled in the furnace end insulating layer 1013, the cost of the carbon blocks is low, the stability is good, and the heat preservation effect is good.
Preferably, for reinforcing the burner 101, a concrete layer 1011 is provided on the top of the burner 101, the concrete layer 1011 can be embedded between the side walls 102 on the left and right sides, and the height of the concrete layer 1011 embedded in the concrete layer is identical to the height of the side walls 102 on the left and right sides, so that a placement platform is formed between the side walls 102 on the left and right sides and the embedded concrete layer 1011, and the furnace cover 2 is placed on the placement platform, thereby achieving a good sealing effect.
Preferably, to improve the heat insulation performance of the graphitizing furnace of the present utility model, the side wall 102 is designed as a side wall outer wall 1021, a side wall heat insulation layer 1022 and a side wall inner layer 1023 which are sequentially disposed from outside to inside.
Preferably, the side wall outer wall 1021 uses insulating bricks, the insulating bricks are piled together to form the side wall outer wall 1021, the side wall insulating layer 1022 selects carbon blocks, the carbon blocks are filled in the side wall insulating layer 1022, the carbon blocks are low in cost, good in stability and good in heat preservation effect, the side wall inner layer 1023 selects graphite plates, and the graphite plates are piled together to form the side wall inner layer 1023.
Preferably, to enhance the thermal insulation performance of the graphitization furnace of the present utility model, the bottom wall 103 includes a bottom wall outer layer 1031, a bottom wall thermal insulation layer 1032, and a bottom wall top layer 1033, which are sequentially disposed together from outside to inside.
Preferably, the outer layer 1031 of the bottom wall uses insulating bricks, the insulating bricks are stacked together to form the outer layer 1031 of the bottom wall, the insulating layer 1032 of the bottom wall selects carbon blocks, the carbon blocks are filled in the insulating layer 1032 of the bottom wall, the manufacturing cost of the carbon blocks is low, the stability is good, the insulating effect is good, the top layer 1033 of the bottom wall selects graphite plates, the graphite plates are stacked together to form the top layer 1033 of the bottom wall, and the electric heating wires 3 can be embedded in the graphite plates of the top layer 1033 of the bottom wall.
Alternatively, the embodiment of the present utility model gives a preferable structure of the hood 2, specifically: the furnace cover 2 comprises a trapezoid framework 202 formed by overlapping a plurality of metal profiles, a cover shell 201 is coated on the outer side of the framework 202, and the cover shell 201 can be made of high-temperature-resistant and heat-insulating materials.
Preferably, in order to facilitate lifting of the furnace mantle 2, a lifting ring 203 is provided on top of the furnace mantle 2.
The utility model has been described above with particularity and detail in connection with general description and specific embodiments. It should be understood that numerous conventional modifications and further innovations may be made to these specific embodiments, based on the technical concepts of the present utility model; but these conventional modifications and further innovations may also fall within the scope of the claims of the present utility model as long as they do not depart from the technical spirit of the present utility model.
Claims (10)
1. The graphitization furnace for preparing the lithium ion battery cathode material is characterized by comprising a plurality of single furnaces (1); an inter-furnace platform (6) is arranged between adjacent monomer furnaces (1); a cavity is formed in the furnace platform (6) for heat dissipation; the monomer oven (1) comprises a bottom wall (103); the left side and the right side of the bottom wall (103) are respectively provided with a side wall (102); the front side and the rear side of the bottom wall (103) are provided with furnace heads (101); the single-body furnace (1) is a box body structure which is enclosed by the bottom wall (103), the side wall (102) and the furnace end (101) to form an opening at the top; a furnace cover (2) is arranged at the top opening of the single furnace (1) and is used for closing the top opening of the single furnace (1); a plurality of electric heating wires (3) are uniformly distributed at the top of the bottom wall (103) and are used for heating the graphitizing furnace; an electrode (4) is arranged on the furnace end (101); the electrode (4) is electrically connected with the heating wire (3); a flue (5) is arranged outside the graphitizing furnace; a smoke exhaust pipe (204) is arranged on the furnace cover (2); the smoke exhaust pipe (204) is communicated with the flue (5).
2. The graphitization furnace for preparing the lithium ion battery anode material according to claim 1, wherein the furnace end (101) comprises a furnace end outer wall (1012), a furnace end heat preservation layer (1013) and a furnace end graphite block (1014) from outside to inside in sequence; a furnace end electrode (1015) is arranged in the furnace end graphite block (1014); the burner electrode (1015) is electrically connected with the electrode (4).
3. The graphitization furnace for preparing a negative electrode material of a lithium ion battery according to claim 2, wherein the furnace end outer wall (1012) is a heat preservation brick piled together; the furnace end heat preservation layer (1013) is a carbon block.
4. A graphitization furnace for preparing a negative electrode material of a lithium ion battery according to claim 2 or 3, characterized in that the top of the burner (101) is provided with a concrete layer (1011).
5. The graphitization furnace for preparing a negative electrode material of a lithium ion battery according to claim 1, wherein the side wall (102) comprises a side wall outer wall (1021), a side wall heat insulation layer (1022) and a side wall inner layer (1023) which are sequentially arranged from outside to inside.
6. The graphitization furnace for preparing a negative electrode material of a lithium ion battery according to claim 5, wherein the side wall outer wall (1021) is a heat insulating brick piled together; the side wall heat insulation layer (1022) is a carbon block; the side wall inner layer (1023) is a graphite plate which is piled together.
7. The graphitization furnace for preparing a negative electrode material of a lithium ion battery according to claim 1, wherein the bottom wall (103) comprises a bottom wall outer layer (1031), a bottom wall heat insulation layer (1032) and a bottom wall top layer (1033) which are sequentially arranged together from outside to inside.
8. The graphitization furnace for preparing a negative electrode material of a lithium ion battery according to claim 7, characterized in that the bottom wall outer layer (1031) is a heat insulating brick piled together; the bottom wall heat preservation layer (1032) is a carbon block; the bottom wall top layer (1033) is a graphite plate stacked together.
9. Graphitization furnace for preparing negative electrode materials for lithium ion batteries according to claim 1, characterized in that said furnace mantle (2) comprises a trapezoidal skeleton (202) formed by overlapping a plurality of metal profiles; the outside of the framework (202) is covered with the housing (201).
10. Graphitization furnace for preparing negative electrode material of lithium ion battery according to claim 9, characterized in that the top of the furnace mantle (2) is provided with a hanging ring (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321243826.1U CN219829487U (en) | 2023-05-22 | 2023-05-22 | Graphitization furnace for preparing lithium ion battery cathode material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321243826.1U CN219829487U (en) | 2023-05-22 | 2023-05-22 | Graphitization furnace for preparing lithium ion battery cathode material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219829487U true CN219829487U (en) | 2023-10-13 |
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ID=88282554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321243826.1U Active CN219829487U (en) | 2023-05-22 | 2023-05-22 | Graphitization furnace for preparing lithium ion battery cathode material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219829487U (en) |
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2023
- 2023-05-22 CN CN202321243826.1U patent/CN219829487U/en active Active
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