CN218627730U - Box-plate furnace for graphitizing lithium battery negative electrode material - Google Patents
Box-plate furnace for graphitizing lithium battery negative electrode material Download PDFInfo
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- CN218627730U CN218627730U CN202222743518.7U CN202222743518U CN218627730U CN 218627730 U CN218627730 U CN 218627730U CN 202222743518 U CN202222743518 U CN 202222743518U CN 218627730 U CN218627730 U CN 218627730U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a boxboard stove for graphitization of lithium cell cathode material, the induction cooker comprises a cooker bod, locate crucible subassembly and lateral part heat preservation filler in the furnace body, the crucible subassembly is including arranging a set of bottom plate subassembly of furnace body bottom in, locate the lateral part heat preservation filler inboard two sets of curb plate subassemblies of both sides respectively, support baffle assembly and the roof subassembly of lid at curb plate subassembly and baffle assembly top between two sets of curb plates, the bottom plate subassembly includes polylith bottom plate unit, every group curb plate subassembly all includes the curb plate unit of polylith, every group baffle assembly all includes the median septum and locates the backup pad of median septum both sides, the lower extreme of median septum inserts between the double-phase adjacent bottom plate unit, the both sides end of median septum inserts respectively between the double-phase adjacent side plate unit of corresponding side, the backup pad of median septum both sides supports respectively between the curb plate unit of both sides. The utility model discloses reduced the manufacturing degree of difficulty of each assembly part of crucible, improved life simultaneously, the cost is reduced.
Description
Technical Field
The utility model relates to a graphitizing furnace technical field, concretely relates to case board stove for graphitizing lithium cell cathode material.
Background
The graphitizing furnace is mainly used for sintering and graphitizing carbon materials, and has the working principle that: the method is characterized in that carbon blanks and granular materials are filled in a long furnace body constructed by refractory materials to form a conductive furnace core, heat insulation and preservation materials are arranged around the furnace core, conductive electrodes are arranged on furnace heads at two ends and are connected with a power supply to form a current-conducting loop, when the circuit is connected, the furnace core heats up due to the action of resistance, and the carbon blanks are converted into artificial graphite through high-temperature heat treatment at the temperature of 2200-2300 ℃.
Most of the traditional graphitizing furnaces adopt cylindrical crucibles, the loss of the cylindrical crucibles is high, the crucibles are cracked and damaged and are difficult to recycle, the resistance is large, the power transmission time is long, the heat diffusion is serious, and the heat utilization efficiency is low.
In order to solve the problem, chinese utility model patent CN216205334U discloses box device for artificial negative electrode material graphitization furnace of lithium cell, and this box device includes bottom plate, roof, medium plate, a plurality of curb plate and a plurality of baffle, in order to satisfy the requirement of baffle and curb plate and medium plate equipment, need slot on the baffle, the machine-shaping of being not convenient for to, in the installation, the corner of slot takes place to collide with easily on the baffle, can lead to the monoblock baffle to scrap when colliding with seriously.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a case board stove for graphitizing of lithium cell negative pole material to reduce the manufacturing degree of difficulty of each assembly part of crucible, improve life simultaneously, reduce cost.
The utility model provides a box plate furnace for graphitizing lithium battery cathode materials, which comprises a furnace body, crucible components arranged in the furnace body and lateral heat-insulating fillers filled between the two sides of the furnace body and the crucible components, wherein the crucible components comprise a group of bottom plate components arranged at the bottom of the furnace body, two groups of lateral plate components respectively arranged at the inner sides of the lateral heat-insulating fillers at the two sides, a partition plate component supported between the two groups of lateral plates and a top plate component covered at the tops of the lateral plate components and the partition plate component;
the bottom plate assembly comprises a plurality of bottom plate units which are arranged at intervals along the longitudinal direction;
each group of side plate components comprises a plurality of side plate units which are arranged at intervals along the longitudinal direction;
each group of the partition plate assembly comprises a middle partition plate and supporting plates arranged on two sides of the middle partition plate, the lower end of the middle partition plate is inserted between two adjacent bottom plate units, two side ends of the middle partition plate are respectively inserted between two adjacent side plate units on the corresponding side, and the supporting plates on two sides of the middle partition plate are respectively supported between the side plate units on two sides.
Furthermore, the middle of each support plate is divided into two support plate units along the vertical direction; the crucible assembly further comprises a middle plate assembly, the middle plate assembly comprises a plurality of middle plate units, the middle plate units are supported between the adjacent middle partition plates, and the side ends of the middle plate units are respectively clamped between the two corresponding support plate units.
Further, the top plate assembly includes a plurality of top plate units spaced apart in a longitudinal direction, the upper ends of the middle partition plates are inserted between the adjacent top plate units, and the top plate units are supported at the upper ends of the supporting plate units and the side plate units.
Furthermore, the top of the furnace body is covered with a top heat-insulating filler.
Further, each plate of the crucible assembly is made of a graphite material.
Further, the surfaces of the plates of the crucible assembly are coated with SiC coatings.
Furthermore, the furnace body is provided with a rectangular bottom plate, two side walls arranged on two long sides of the rectangular bottom plate, and a positive electrode furnace end and a negative electrode furnace end which are arranged on two short sides of the rectangular bottom plate and connected between the two side walls, wherein the side walls are formed by building refractory bricks.
Furthermore, the rectangular bottom plate comprises a concrete foundation, a refractory brick layer paved on the concrete foundation and a heat insulation layer paved on the refractory brick layer.
The beneficial effects of the utility model embody: the utility model provides a baffle assembly adopts the structure that the both sides at the median septum set up the backup pad, the curb plate unit of both sides can form the support by vertical median septum, the backup pad of median septum both sides can be horizontal to the curb plate unit of both sides, the curb plate unit of both sides fills up the lateral part heat preservation outward and packs simultaneously, thereby ensure the bottom plate subassembly, curb plate subassembly and baffle assembly constitute stable in structure's crucible, for prior art, each assembly part of this application crucible all adopts the plate, need not the fluting during manufacturing, the manufacturing degree of difficulty has been reduced, slot alignment trouble when having avoided the assembly simultaneously, the problem of the damage of colliding with takes place easily, the life of each assembly part has been improved, and the cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a longitudinal cross-sectional view of an embodiment of the present invention;
fig. 2 is a transverse cross-sectional view of an embodiment of the present invention;
fig. 3 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 1.
In the attached drawings, 100-furnace body; 110-a rectangular base plate; 111-concrete foundation; 112-a layer of refractory brick; 113-a thermally insulating layer; 120-side walls; 130-positive and negative electrode jambs; 200-a crucible assembly; 210-a backplane unit; 220-a side panel unit; 230-a middle separator plate; 240-a support plate unit; 250-a midplane unit; 260-a ceiling unit; 300-side heat preservation filler; 400-top insulation filler.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
As shown in fig. 1-3, the embodiment of the present invention provides a boxboard furnace for graphitizing a negative electrode material of a lithium battery, which includes a furnace body 100, a crucible assembly 200 disposed in the furnace body 100, and a filling material filled between two sides of the furnace body 100 and the crucible assembly 200.
The furnace body 100 has a rectangular bottom plate 110, two side walls 120 disposed on two long sides of the rectangular bottom plate 110, and a positive electrode burner 130 and a negative electrode burner 130 disposed on two short sides of the rectangular bottom plate 110 and connected between the two side walls 120, wherein the side walls 120 are made of refractory bricks.
The rectangular bottom plate 110 includes a concrete foundation 111, a firebrick layer 112 laid on the concrete foundation 111, and a thermal insulation layer 113 laid on the firebrick layer 112.
The crucible assembly 200 includes a set of bottom plate assembly disposed at the bottom of the furnace body 100, two sets of side plate assemblies respectively disposed at the inner sides of the side heat insulating fillers 300 at both sides, a partition plate assembly supported between the two sets of side plates, and a top plate assembly covering the top of the side plate assemblies and the partition plate assembly.
The bottom plate subassembly includes the bottom plate unit 210 that the polylith set up along longitudinal separation, every group curb plate subassembly all includes the curb plate unit 220 that the polylith set up along this longitudinal separation, every group baffle subassembly all includes median septum 230 and locates the backup pad of median septum 230 both sides, the lower extreme of median septum 230 inserts between the double-phase adjacent bottom plate unit 210, the both sides end of median septum 230 inserts respectively between the double-phase adjacent curb plate unit 220 of corresponding side, the backup pad of median septum 230 both sides supports respectively between the curb plate unit 220 of both sides.
When the crucible assembly 200 is assembled, the bottom plate units 210 are laid at the bottom of the furnace body 100 at certain intervals, then the lower ends of the middle partition plates 230 are inserted into the adjacent bottom plate units 210, so that the middle partition plates 230 are kept upright, then the support plates are installed on both sides of the middle partition plates 230, the side plate units 220 are installed on both ends of the support plates, in the process of installing the side plate units 220, the lateral heat insulating fillers 300 with a certain height need to be filled on the outer sides of the side plate units 220 to prevent the side plate units 220 from falling outwards, after all the support plates and the side plate units 220 are installed, the lateral heat insulating fillers 300 are respectively filled between the two sides of the furnace body 100 and the corresponding side plate assemblies, then the enclosed crucible can be filled with graphite powder, and finally the crucible assembly 200 is covered on the top of the crucible.
The utility model provides a baffle plate assembly adopts the structure that the both sides at well baffle 230 set up the backup pad, the curb plate unit 220 of both sides can form the support to well baffle 230 on vertical, the backup pad of well baffle 230 both sides can be horizontal to the curb plate unit 220 of both sides, simultaneously the curb plate unit 220 of both sides is filled up lateral part heat preservation filler 300 outward, thereby ensure the bottom plate subassembly, curb plate assembly and baffle plate assembly constitute stable in structure's crucible, for prior art, each assembly part of this application crucible all adopts the plate, need not the fluting during manufacturing, the manufacturing degree of difficulty has been reduced, slot alignment trouble when having avoided the assembly simultaneously, the easy problem of taking place to collide with the damage, the service life of each assembly part has been improved, and the cost is reduced.
In a preferred embodiment, the middle of each support plate is divided into two support plate units 240 in the vertical direction; the crucible assembly 200 further comprises a middle plate assembly, wherein the middle plate assembly comprises a plurality of middle plate units 250, the middle plate units 250 are supported between the adjacent middle partition plates 230, each side end of each middle plate unit 250 is clamped between the corresponding two support plate units 240 respectively, the crucible is transversely divided through the middle plate units 250, the width of a single crucible can be reduced, and the size of each crucible can be adjusted by adjusting the width of each support plate unit 240.
In this embodiment, in order to enable the top plate assembly to be better fitted over each crucible, the top plate assembly includes a plurality of top plate units 260 arranged at intervals in a longitudinal direction, the upper ends of the middle partition plates 230 are inserted between the adjacent top plate units 260, and the top plate units 260 are supported on the upper ends of the support plate units 240 and the side plate units 220.
In this embodiment, the top of the furnace body 100 is covered with the top heat insulation filler 400 to perform the heat insulation function on the top of the furnace body 100.
In this embodiment, each plate of the crucible assembly 200 is made of a graphite material, the graphite material has good electrical conductivity, high temperature resistance and thermal conductivity, but the high temperature oxidation resistance and the scouring resistance are poor, and in order to solve this problem, the surface of each plate of the crucible assembly 200 in this embodiment is coated with a SiC coating, and the SiC coating has high hardness, good high temperature strength, good thermal conductivity and thermal stability, and good chemical compatibility with the graphite material.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (8)
1. The utility model provides a boxboard stove for graphitization of lithium cell cathode material, includes the furnace body, locates crucible subassembly in the furnace body and fill in lateral part between the both sides of furnace body and the crucible subassembly keeps warm and packs, the crucible subassembly is including arranging in a set of bottom plate subassembly of furnace body bottom, locate respectively that the lateral part of both sides keeps warm and packs two sets of curb plate subassemblies of inboard, support in two sets of baffle subassembly and lid between the curb plate are in the roof subassembly at curb plate subassembly and baffle subassembly top, its characterized in that:
the bottom plate assembly comprises a plurality of bottom plate units which are arranged at intervals along the longitudinal direction;
each group of side plate components comprises a plurality of side plate units which are arranged at intervals along the longitudinal direction;
each group of the partition plate assembly comprises a middle partition plate and supporting plates arranged on two sides of the middle partition plate, the lower end of the middle partition plate is inserted between two adjacent bottom plate units, two side ends of the middle partition plate are respectively inserted between two adjacent side plate units on the corresponding side, and the supporting plates on two sides of the middle partition plate are respectively supported between the side plate units on two sides.
2. The box plate furnace for graphitizing a negative electrode material of a lithium battery as claimed in claim 1, wherein:
the middle of each supporting plate is divided into two supporting plate units along the vertical direction;
the crucible assembly further comprises a middle plate assembly, the middle plate assembly comprises a plurality of middle plate units, the middle plate units are supported between the adjacent middle partition plates, and the side ends of the middle plate units are respectively clamped between the two corresponding support plate units.
3. The box plate furnace for graphitizing a negative electrode material of a lithium battery as claimed in claim 2, wherein:
the top plate assembly comprises a plurality of top plate units arranged at intervals along the longitudinal direction, the upper ends of the middle partition plates are inserted between the adjacent top plate units, and the top plate units are supported at the upper ends of the supporting plate units and the side plate units.
4. The box and plate furnace for graphitizing a negative electrode material of a lithium battery of claim 1, wherein:
the top of the furnace body is covered with a top heat-insulating filler.
5. The box plate furnace for graphitizing a negative electrode material of a lithium battery as claimed in claim 1, wherein:
each assembly of the crucible assembly is made of graphite material.
6. The box plate furnace for graphitizing a negative electrode material of a lithium battery as claimed in claim 5, wherein:
the surface of each assembly part of the crucible assembly is coated with a SiC coating.
7. The box plate furnace for graphitizing a negative electrode material of a lithium battery as claimed in claim 1, wherein:
the furnace body is provided with a rectangular bottom plate, two side walls arranged on two long edges of the rectangular bottom plate, and a positive electrode furnace end and a negative electrode furnace end which are arranged on two short edges of the rectangular bottom plate and connected between the two side walls, wherein the side walls are formed by building refractory bricks.
8. The box and plate furnace for graphitizing a negative electrode material of a lithium battery of claim 7, wherein:
the rectangular bottom plate comprises a concrete foundation, a refractory brick layer laid on the concrete foundation and a heat insulation layer laid on the refractory brick layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222743518.7U CN218627730U (en) | 2022-10-18 | 2022-10-18 | Box-plate furnace for graphitizing lithium battery negative electrode material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222743518.7U CN218627730U (en) | 2022-10-18 | 2022-10-18 | Box-plate furnace for graphitizing lithium battery negative electrode material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218627730U true CN218627730U (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222743518.7U Active CN218627730U (en) | 2022-10-18 | 2022-10-18 | Box-plate furnace for graphitizing lithium battery negative electrode material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218627730U (en) |
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2022
- 2022-10-18 CN CN202222743518.7U patent/CN218627730U/en active Active
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