CN116907213A - Novel energy-saving crucible with graphite paper - Google Patents
Novel energy-saving crucible with graphite paper Download PDFInfo
- Publication number
- CN116907213A CN116907213A CN202310898220.XA CN202310898220A CN116907213A CN 116907213 A CN116907213 A CN 116907213A CN 202310898220 A CN202310898220 A CN 202310898220A CN 116907213 A CN116907213 A CN 116907213A
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- China
- Prior art keywords
- crucible
- sub
- graphite
- novel energy
- graphite paper
- Prior art date
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 182
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 114
- 239000010439 graphite Substances 0.000 title claims abstract description 114
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims abstract description 35
- 239000002245 particle Substances 0.000 claims abstract description 24
- 238000001354 calcination Methods 0.000 claims abstract description 21
- 239000007770 graphite material Substances 0.000 claims description 79
- 239000007788 liquid Substances 0.000 claims description 38
- 238000004321 preservation Methods 0.000 claims description 18
- 238000005087 graphitization Methods 0.000 claims description 16
- 238000009413 insulation Methods 0.000 claims description 13
- 239000002912 waste gas Substances 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 4
- 239000005864 Sulphur Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 13
- 239000002699 waste material Substances 0.000 description 13
- 239000000843 powder Substances 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 230000002349 favourable effect Effects 0.000 description 9
- 239000012535 impurity Substances 0.000 description 9
- 238000000746 purification Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000011329 calcined coke Substances 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/10—Crucibles
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/20—Graphite
- C01B32/205—Preparation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/06—Crucible or pot furnaces heated electrically, e.g. induction crucible furnaces with or without any other source of heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/14—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention discloses a novel energy-saving crucible with graphite paper, which comprises a bottom plate, side baffles, a cover plate, an insulating plate and a plurality of sub-crucibles, wherein the cover plate, the bottom plate and the four side baffles form an inner cavity, the insulating plate is connected to one side of the side baffles away from the inner cavity, the plurality of sub-crucibles are orderly arranged in the inner cavity, the side walls of the sub-crucibles comprise graphite paper parts, and carbon particles are attached to the graphite paper parts. According to the novel energy-saving crucible with graphite paper, the plurality of sub-crucibles are arranged as the container for calcining the graphite piece, so that the resistivity of the sub-crucibles can be improved, the sub-crucibles can generate larger electric heat, and accordingly rapid heating is achieved, the graphite paper can be decomposed into graphite fragments, gasified carbon particles are crystallized into graphite on the surface of the graphite piece, and the graphite fragments can be fused onto the graphite piece, the sub-crucibles can replace resistance materials to save cost, and meanwhile, the electric power consumption is low, and meanwhile, the sub-crucibles become a part of the graphite piece after calcining is finished, so that the use value of the novel energy-saving crucible is improved.
Description
Technical Field
The invention relates to the technical field of graphitization furnaces, in particular to a novel energy-saving crucible with graphite paper.
Background
Lithium ion batteries are taken as green and environment-friendly batteries, and in recent years, the lithium ion batteries are favored by more and more consumers, and graphite is often used as a negative electrode material of the lithium ion batteries due to the characteristics of stability, environmental protection and extremely high temperature resistance, so that impurities contained in the graphite are removed to purify the graphite in order to improve the performance of the graphite as the negative electrode material, and the graphite is generally placed in a graphitization furnace to be calcined at present so as to realize the purification purpose.
In the prior art, graphite is injected into a crucible in a graphitization furnace, the crucible is electrified, the electric heating temperature of the graphite and the added resistance material is utilized, the calcination temperature in the graphitization furnace can reach 3000 ℃, most of impurities contained in the graphite are liquefied or gasified and separated from the graphite under the environment, the graphite does not reach the melting point, and the graphite continuously exists in a complete structure, so that the purification of the graphite is realized.
However, the existing graphitization furnace has the problems of high power consumption, high material resistance cost, short service life due to pollution of impurities on a crucible and the like, and greatly improves the production cost and energy consumption of the purified graphite.
Therefore, there is a need for an energy-saving crucible with less power consumption and low production cost for overcoming the above problems.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the novel energy-saving crucible with the graphite paper, and the novel energy-saving crucible with the graphite paper is used for solving the technical defects of high power consumption, high cost of the resistance material, short service life of the crucible due to impurity pollution and the like.
The technical scheme adopted by the invention is as follows:
the invention provides a novel energy-saving crucible with graphite paper, which comprises a bottom plate, side baffles, a cover plate, an insulating plate and a plurality of sub-crucibles, wherein the novel energy-saving crucible is used for constructing a cavity of a graphitizing furnace, the bottom plate is a rectangular plate and is placed in the horizontal direction, the four side baffles are arranged around the edge of the bottom plate, the cover plate covers the top of the side baffles, the cover plate, the bottom plate and the four side baffles form a closed cavity, the insulating plate is four and is respectively connected to one side, far away from the cavity, of the side baffles, the plurality of sub-crucibles are orderly arranged in the cavity, the side wall of the sub-crucible comprises a graphite paper part, and carbon particles are attached to the graphite paper part. According to the novel energy-saving crucible with graphite paper, the plurality of sub-crucibles are arranged to serve as the container for calcining graphite materials, the carbon particles are adhered to the sub-crucibles, so that the resistivity of the sub-crucibles can be improved, when the crucible is electrified and heated, the sub-crucibles can generate larger electric heat due to larger resistance, so that rapid heating is realized, the graphite paper can be decomposed into graphite fragments under the high-temperature and high-pressure environment, the gasified carbon particles are crystallized into graphite on the surface of the graphite materials, and the graphite fragments can be fused onto the graphite materials, the sub-crucibles can replace the resistance materials to save cost, and meanwhile, the electric power consumption is low, and become a part of the graphite materials after the calcination is finished, so that the use value of the novel energy-saving crucible is improved.
According to some embodiments of the invention, the sub-crucible is in a hollow box shape, the sub-crucible comprises a sub-crucible body and a sub-crucible top cover, the top of the sub-crucible body is suitable for being embedded into the sub-crucible top cover, a surrounding protruding part is formed on the outer wall of the sub-crucible top cover, a surrounding concave part matched with the protruding part is formed on the bottom wall of the sub-crucible body, and the material of the sub-crucible top cover is graphite paper. The protruding portion of the sub-crucible that is located the below can cooperate with the depressed part of the sub-crucible that is located the top for two sub-crucibles in close contact, not only make things convenient for sub-crucible stacking, when stacking the multilayer sub-crucible in addition, be favorable to improving the conductive properties between the sub-crucible, sub-crucible top cap can decompose into graphite fragment and powder to with carbon vapor is crystalline and be fused into graphite material on the graphite material surface, thereby improved the use value of novel energy-conserving crucible.
Optionally, a raised flanging part is formed at the edge of the raised part, a first electrode is arranged at the center of the raised part, the first electrode is a carbon electrode, a raised concave table is formed on the concave part, a concave groove suitable for embedding the raised flanging part is formed around the concave table, a second electrode is arranged on the concave table, and the second electrode is a carbon electrode. Through the cooperation of protruding turn-ups portion and concave groove, the sub-crucible of being convenient for put things in good order from top to bottom is connected steadily, makes moreover to have bigger area of contact between the upper and lower adjacent sub-crucible, can improve the conductive properties of sub-crucible, is favorable to the even transfer of heat moreover.
Optionally, a pair of opposite lateral wall of sub-crucible body comprises graphite paper portion, and another pair of opposite lateral wall is connecting portion, connecting portion's material is graphite paper, through setting up the lateral wall of sub-crucible body into graphite paper portion and connecting portion adjacent shape, when the adjacent sub-crucible is put things in good order about, the connecting portion of one of them sub-crucible can with the graphite paper portion butt of another sub-crucible, can improve the electric conductivity of the sub-crucible of even putting things in good order, is favorable to the even rising of the temperature of a plurality of sub-crucibles to improve the stability of novel energy-conserving crucible.
According to some embodiments of the invention, the bottom of the bottom plate is provided with a liquid collecting part, the bottom plate is provided with a liquid discharging hole, the liquid collecting part is obliquely arranged, the bottom of the liquid collecting part is provided with a detachable liquid collecting groove, and waste liquid can drop on the liquid collecting part from the liquid discharging hole, so that the residual waste liquid on the bottom plate is reduced, the purity of the calcined graphite piece is improved, and the purification effect of the novel energy-saving crucible is improved.
According to some embodiments of the invention, the novel energy-saving crucible with graphite paper comprises heat preservation plates, the heat preservation plates are four and are respectively connected to one side, far away from the inner cavity, of the insulating plate, heat preservation materials are arranged on one side, far away from the inner cavity, of the cover plate, the components of the heat preservation materials are calcined coke particles, the sulfur content of the heat preservation materials is not more than 2%, the heat preservation plates have heat insulation performance, heat dissipation in the inner cavity can be prevented, and therefore the energy utilization rate of the novel energy-saving crucible is improved, the power consumption is reduced, and calcined coke has good heat preservation performance and is low in cost.
According to some embodiments of the invention, the side baffles are made of graphite material, the volume density of the side baffles is not less than 1.65g/cm & lt 3 & gt, the resistivity of the side baffles is not more than 12 x 10 & lt (-6) & gt omega & m, the side baffles have higher structural strength by controlling the volume density of the side baffles, the reliability of the novel energy-saving crucible is improved, and the electric heat can be concentrated in the inner cavity by controlling the resistivity of the side baffles, so that the energy utilization rate of the novel energy-saving crucible is improved.
Optionally, the cover board is close to be formed with a plurality of with first electrode complex first alternating current electrode on the one side of inner chamber, be formed with a plurality of with second electrode complex second alternating current electrode on the bottom plate, graphitization stove's alternating current power supply can communicate with first alternating current electrode and second alternating current electrode to apply alternating current to novel energy-conserving crucible, can avoid the electrolytic effect that direct current produced, prolong the subsequent life of graphite material, first alternating current electrode and second alternating current electrode can conveniently position sub-crucible simultaneously, are favorable to the inseparable orderly stacking of a plurality of sub-crucibles, improve novel energy-conserving crucible's loading, improve novel energy-conserving crucible's graphitization efficiency.
According to some embodiments of the invention, the novel energy-saving crucible with graphite paper comprises an exhaust gas collecting device, the exhaust gas collecting device is arranged on the covering plate and is communicated with the inner cavity, and the exhaust gas collecting device can collect exhaust gas in the inner cavity, so that the purity of the calcined graphite piece is improved, and the purification effect of the novel energy-saving crucible is improved.
Optionally, the graphite purity of sub-crucible is not less than 97%, through the graphite purity of control sub-crucible, is favorable to all merging into the graphite material at sub-crucible, improves the use value of novel energy-conserving crucible, the diameter of carbon granule does not exceed 4mm, can reduce the space between the adjacent sub-crucible, is favorable to the inseparable orderly stacking of a plurality of sub-crucibles, improves the loading of novel energy-conserving crucible, improves the graphitization efficiency of novel energy-conserving crucible, the carbon granule is in the even array arrangement of sub-crucible's surface can evenly produce the electricity heat at sub-crucible's surface to evenly calcine the graphite material, improve the graphite material quality.
The beneficial effects obtained by the invention by adopting the structure are as follows:
(1) The carbon particles are adhered to the sub-crucibles, so that the resistivity of the sub-crucibles can be improved, when the crucible is electrified and heated, the sub-crucibles can generate larger electric heat due to larger resistance, so that rapid heating is realized, under the high-temperature and high-pressure environment, the graphite paper part can be decomposed into graphite fragments, the gasified carbon particles are crystallized into graphite on the surface of the graphite material, the graphite fragments can be fused onto the graphite material, the sub-crucibles can replace the resistance material, the cost is saved, the power consumption is low, and meanwhile, the sub-crucibles become a part of the graphite material after the calcination is finished, so that the use value of the novel energy-saving crucible is improved;
(2) The convex parts of the sub-crucibles positioned below can be matched with the concave parts of the sub-crucibles positioned above, so that the two sub-crucibles are in close contact, the sub-crucibles are conveniently stacked, the conductivity between the sub-crucibles is improved when a plurality of layers of sub-crucibles are stacked, the top cover of the sub-crucible can be decomposed into graphite fragments and powder, and graphite materials are fused with carbon vapor crystallized on the surface of the graphite materials, so that the use value of the novel energy-saving crucible is improved;
(3) The convex flanging part is matched with the concave groove, so that the sub-crucibles stacked up and down are convenient to stably connect, and the upper and lower adjacent sub-crucibles have larger contact area, so that the conductivity of the sub-crucibles can be improved, and the uniform heat transfer is facilitated;
(4) The side wall of the sub-crucible body is arranged into the shape that the graphite paper part is adjacent to the connecting part, when the sub-crucibles adjacent to each other are stacked, the connecting part of one sub-crucible can be abutted with the graphite paper part of the other sub-crucible, so that the conductivity of the uniformly stacked sub-crucibles can be improved, the uniform temperature rise of the plurality of sub-crucibles is facilitated, and the stability of the novel energy-saving crucible is improved;
(5) The waste liquid can drop on the liquid collecting part from the liquid discharging hole, so that the residual waste liquid on the bottom plate is reduced, the purity of the calcined graphite piece is improved, and the purification effect of the novel energy-saving crucible is improved;
(6) The heat-insulating plate has heat-insulating performance, and can prevent heat in the inner cavity from escaping, so that the energy utilization rate of the novel energy-saving crucible is improved, the power consumption is reduced, and the calcined coke has good heat-insulating performance and is low in cost;
(7) The side baffle has higher structural strength by controlling the volume density of the side baffle, the reliability of the novel energy-saving crucible is improved, and the electric heat can be concentrated in the inner cavity by controlling the resistivity of the side baffle, so that the energy utilization rate of the novel energy-saving crucible is improved;
(8) The alternating current power supply of the graphitizing furnace can be communicated with the first alternating current electrode and the second alternating current electrode, so that alternating current is supplied to the novel energy-saving crucible, the electrolytic effect generated by direct current can be avoided, the subsequent service life of graphite materials is prolonged, meanwhile, the first alternating current electrode and the second alternating current electrode can conveniently position the sub-crucible, a plurality of sub-crucibles are conveniently and orderly stacked, the charging capacity of the novel energy-saving crucible is improved, and the graphitizing efficiency of the novel energy-saving crucible is improved;
(9) The waste gas collecting device can collect waste gas in the inner cavity, and is favorable for improving the purity of the calcined graphite piece, so that the purification effect of the novel energy-saving crucible is improved;
(10) The graphite purity of the sub-crucible is controlled, the sub-crucible is beneficial to fully blending graphite materials, the use value of the novel energy-saving crucible is improved, gaps between adjacent sub-crucibles can be reduced by limiting the diameter size of carbon particles, the plurality of sub-crucibles are favorable to be closely and orderly stacked, the furnace loading quantity of the novel energy-saving crucible is improved, the graphitization efficiency of the novel energy-saving crucible is improved, the carbon particles distributed uniformly in an array can uniformly generate electric heat on the surfaces of the sub-crucibles, and therefore the graphite materials are uniformly calcined, and the quality of the graphite materials is improved.
Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a perspective view of a novel energy efficient crucible with graphite paper according to some embodiments of the present invention;
FIG. 2 is a front view of a new energy efficient crucible with graphite paper, according to some embodiments of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a side view of a novel energy efficient crucible with graphite paper, according to some embodiments of the present invention;
FIG. 5 is a cross-sectional view taken along line B-B in FIG. 4;
FIG. 6 is a perspective view of a portion of the structure of a novel energy efficient crucible with graphite paper in accordance with some embodiments of the present invention;
FIG. 7 is a perspective view of a sub-crucible body according to some embodiments of the present invention;
FIG. 8 is another angular perspective view of a sub-crucible body according to some embodiments of the present invention;
FIG. 9 is a top view of a plurality of sub-crucibles according to some embodiments of the present invention;
fig. 10 is a perspective view of a sub-crucible top cover according to some embodiments of the present invention.
The reference numerals in the figures illustrate:
a base plate 1; a liquid collecting section 11; a liquid collecting tank 111; a drain hole 12; a second ac electrode 13;
a side baffle 2;
a cover plate 3; a first ac electrode 31;
an insulating plate 4;
a sub crucible 5; a sub-crucible body 51; a graphite paper portion 511; carbon particles 5111; a recess 512; a recess stage 5121; a second electrode 51211; a recess 5122; a connection portion 513; a sub-crucible top cover 52; a boss 521; a raised flange portion 5211; a first electrode 5212;
an inner cavity 6;
a thermal insulation board 7;
an exhaust gas collecting device 8.
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Referring to fig. 1, 3 and 6-10, the invention provides a novel energy-saving crucible with graphite paper, which comprises a bottom plate 1, a side baffle plate 2, a cover plate 3, an insulating plate 4 and a plurality of sub-crucibles 5, wherein the novel energy-saving crucible is used for constructing a chamber of a graphitization furnace, the graphitization furnace is a device for calcining graphite materials, the graphite materials injected into the novel energy-saving crucible are continuously heated in an environment of 3000-3100 ℃, the graphite materials cannot be melted due to the fact that the melting point of graphite is about 3700 ℃, and minerals such as silicon, sulfur and the like contained in the graphite materials are liquefied or gasified, so that the impurities are separated from the graphite materials, the purity of the graphite materials is improved, and when the novel energy-saving crucible is used as a cathode material of a lithium ion battery, the novel energy-saving crucible has higher specific heat and better charging and discharging performance, and can be filled with inert gas such as nitrogen in the inner chamber 6 when the graphite materials are calcined, so that the graphite materials can be prevented from being oxidized.
The bottom plate 1 is rectangular plate and places along the horizontal direction, the side shield 2 has four and surrounds the border setting of bottom plate 1, the cladding plate 3 covers at the top of side shield 2, cladding plate 3, bottom plate 1 and four side shields 2 constitute confined inner chamber 6, insulation board 4 has four and connect respectively in side shield 2 one side of keeping away from inner chamber 6, bottom plate 1 can bear the graphite material, the heat of loss when confined inner chamber 6 can reduce the graphite material, thereby reduce the energy loss of novel energy-conserving crucible, wherein, bottom plate 1 can be the graphite plate, make bottom plate 1 not only the cost lower, have better structural strength and heat resistance, but also can not produce the pollution to the graphite material, side shield 2 also can be the graphite plate, make side shield 2 not only the cost lower, have better structural strength and heat resistance, but also can not produce the pollution to the graphite material, insulation board 4 connected on side shield 2 has insulating and adiabatic function, for example, insulation board 4 can laminate on the side shield 2 one side of keeping away from inner chamber 6, the material of insulation board 4 can be for aluminium oxide, silicon carbide, the material of ceramic 4, the energy-conserving material of insulating board 6, thereby novel energy-conserving loss can be reduced, the energy-conserving loss of crucible, thereby, the energy-conserving loss of novel energy-conserving crucible is prevented, the loss of energy-conserving material is reduced, and the novel energy-conserving crucible, and the energy-conserving loss is reduced.
A plurality of sub-crucibles 5 are orderly arranged in the inner cavity 6, the side wall of the sub-crucible 5 comprises a graphite paper part 511, and carbon particles 5111 are attached to the graphite paper part 511. The sub-crucible 5 can be used for containing graphite materials, the side wall of the sub-crucible 5 can be entirely formed by the graphite paper part 511, or the part of the side wall of the sub-crucible 5 is formed by the graphite paper part 511, the graphite paper part 511 is formed by graphite paper, other parts of the sub-crucible 5 can be graphite sheets or graphite paper, so that the sub-crucible 5 has good conductive performance, and carbon particles 5111 attached to the graphite paper can increase the whole resistance of the sub-crucible 5, so that the electric heating performance of the sub-crucible 5 is stronger.
In the prior art, when the graphitizing furnace calcines graphite materials, a box plate is paved at the bottom of the furnace to collect waste materials, meanwhile, resistance materials are added to increase resistance, so that the electric heating efficiency is improved, the resistance materials become waste material powder after the calcination is finished, and the cost is high. According to the novel energy-saving crucible, the plurality of sub-crucibles 5 are arranged to serve as containers for calcining graphite materials, a box plate is not required to be paved on the bottom of the furnace, and the novel energy-saving crucible is electrified, and carbon particles 5111 are attached to the novel energy-saving crucible, so that the sub-crucibles 5 have larger resistance to generate larger electric heat, the temperature of the graphite materials is rapidly increased, and the addition of the resistance materials can be omitted. Since the graphite paper is formed by stacking a plurality of graphite sheets, the graphite paper 511 is decomposed into graphite fragments and powder along with the temperature rise, and simultaneously the carbon particles 5111 are gradually gasified into carbon vapor, the carbon vapor can recombine chemical bonds on the surface of the graphite material to form graphite crystals under the high-temperature and high-pressure environment, and simultaneously the graphite fragments and powder decomposed by the graphite paper can be adsorbed in the crystallization process, so that the graphite paper 511 is fused into a part of the graphite material, and the generation of waste materials is reduced. In the calcination process, the electricity almost acts on the purified graphite material, so that the cost of the added resistance material and the electricity consumption of the resistance material are saved, the graphitization cost of the novel energy-saving crucible is reduced, the sub-crucible 5 finally becomes a part of the graphite material, and the use value of the novel energy-saving crucible is improved.
According to the novel energy-saving crucible with graphite paper, the plurality of sub-crucibles 5 are arranged as the container for calcining graphite materials, the carbon particles 5111 are attached to the sub-crucibles 5, so that the resistivity of the sub-crucibles 5 can be improved, when the crucible is electrified and heated, the sub-crucibles 5 can generate larger electric heat due to larger resistance, thereby realizing rapid temperature rise, the graphite paper 511 can be decomposed into graphite fragments under the high-temperature and high-pressure environment, the gasified carbon particles 5111 are crystallized into graphite on the surface of the graphite materials, and the graphite fragments can be fused onto the graphite materials, so that the sub-crucibles 5 can replace the resistance materials, thereby saving the cost, reducing the power consumption, simultaneously becoming a part of the graphite materials after the calcination is finished, and improving the use value of the novel energy-saving crucible.
Referring to fig. 6 to 10, according to some embodiments of the present invention, the sub-crucible 5 is a hollow box body, so that the sub-crucible 5 is convenient for containing more graphite materials, the sub-crucible 5 includes a sub-crucible body 51 and a sub-crucible top cover 52, the top of the sub-crucible body 51 is suitable for being embedded in the sub-crucible top cover 52, the structure is simple, the graphite materials are convenient to seal, when the graphite materials are fed, the graphite materials are injected into the sub-crucible body 51, then the top of the sub-crucible body 51 is embedded in the sub-crucible top cover 52, the sealing of the graphite materials is realized, and then a plurality of sub-crucibles 5 containing the graphite materials can be orderly stacked in the inner cavity 6, so that the novel energy-saving crucible has higher charging capacity, and the power and heat are convenient to be supplied and converged between the adjacent sub-crucibles 5, thereby improving the graphitization efficiency of the novel energy-saving crucible. The outer wall of the sub-crucible top cover 52 is formed with a surrounding protruding portion 521, and the bottom wall of the sub-crucible body 51 is formed with a surrounding recessed portion 512 which is matched with the protruding portion 521, for example, when two sub-crucibles 5 are stacked up and down, the protruding portion 521 of the sub-crucible 5 positioned below can be matched with the recessed portion 512 of the sub-crucible 5 positioned above, so that the two sub-crucibles 5 are in close contact, the sub-crucible 5 is not only convenient to stack up, but also conductive performance between the sub-crucibles 5 is improved when multiple layers of sub-crucibles 5 are stacked up. The material of the sub-crucible top cover 52 is graphite paper, so that the sub-crucible top cover 52 has good conductive performance, and in the process of calcining graphite materials, the sub-crucible top cover 52 can be decomposed into graphite fragments and powder and is fused into the graphite materials along with the crystallization of carbon vapor on the surface of the graphite materials, thereby improving the use value of the novel energy-saving crucible.
Referring to fig. 10, alternatively, a raised flange portion 5211 is formed at the edge of the raised portion 521, a first electrode 5212 is provided at the center of the raised portion 521, the first electrode 5212 is a carbon electrode, the conductivity of the sub-crucible 5 can be improved by providing the first electrode 5212, the components of the carbon electrode are carbon and graphite, the graphite component in the first electrode 5212 can be decomposed into graphite fragments and powder during the process of calcining the graphite material, the carbon component in the first electrode 5212 can be gasified into carbon vapor, and the carbon vapor can crystallize on the surface of the graphite material and adsorb the graphite fragments and powder to be fused into the graphite material, thereby reducing the generation of waste materials and improving the use value of the sub-crucible 5. The concave portion 512 is provided with a convex concave table 5121, concave grooves 5122 suitable for embedding the convex flanging portions 5211 are formed around the concave table 5121, the concave table 5121 is provided with a second electrode 51211, the second electrode 51211 is a carbon electrode, the conductivity of the sub-crucible 5 can be improved by arranging the second electrode 51211, the components of the carbon electrode are carbon and graphite, the graphite component in the second electrode 51211 can be decomposed into graphite fragments and powder in the process of calcining the graphite material, the carbon component in the second electrode 51211 can be gasified into carbon vapor, and the carbon vapor can crystallize on the surface of the graphite material and adsorb the graphite fragments and the powder to be fused into the graphite material, so that the waste is reduced, and the use value of the sub-crucible 5 is improved. Through the cooperation of protruding turn-ups portion 5211 and recess 5122, the sub-crucible 5 of being convenient for put things in good order from top to bottom is connected steadily, makes between the upper and lower adjacent sub-crucible 5 have bigger area of contact moreover, can improve sub-crucible 5's conductive properties, is favorable to the even transfer of heat moreover. The first electrode 5212 of the sub-crucible 5 positioned below can be abutted with the second electrode 51211 of the sub-crucible 5 positioned above, so that the conductivity between the upper and lower adjacent sub-crucibles 5 is further improved, and the graphitization efficiency of the novel energy-saving crucible is improved.
Referring to fig. 6 to 9, alternatively, one pair of opposite side walls of the sub-crucible body 51 is formed of a graphite paper part 511, the other pair of opposite side walls is a connection part 513, the material of the connection part 513 is graphite paper, and during the process of calcining the graphite material, the connection part 513 can be decomposed into graphite fragments and powder and is fused into the graphite material as carbon vapor is crystallized on the surface of the graphite material, thereby improving the use value of the novel energy-saving crucible. By arranging the side walls of the sub-crucible bodies 51 in such a shape that the graphite paper portions 511 and the connection portions 513 are adjacent, when the sub-crucibles 5 adjacent to each other in the left-right direction are stacked, the connection portion 513 of one sub-crucible 5 can be abutted against the graphite paper portions 511 of the other sub-crucible 5, for example, four sub-crucibles 5 are taken as a group, the graphite paper portions 511 of the sub-crucibles 5 positioned at the upper left and lower right positions are opposed in the left-right direction, the connection portions 513 are opposed in the front-rear direction, the graphite paper portions 511 of the sub-crucibles 5 positioned at the upper right and lower left positions are opposed in the front-rear direction, and the connection portions 513 are opposed in the left-right direction, so that the connection portions 513 of the sub-crucibles 5 can always be abutted against the graphite paper portions 511 of the other sub-crucibles 5, the conductivity of the uniformly stacked sub-crucibles 5 can be improved, the temperature of the plurality of sub-crucibles 5 can be uniformly increased, and the stability of the novel energy-saving crucible can be improved, and the production cost of the sub-crucibles 5 can be reduced.
Referring to fig. 1 to 5, according to some embodiments of the present invention, a liquid collecting portion 11 is provided at a lower portion of a base plate 1, a liquid drain hole 12 is formed in the base plate 1, the liquid collecting portion 11 is disposed obliquely, and a detachable liquid collecting groove 111 is provided at a bottom portion of the liquid collecting portion 11, during the process of calcining graphite materials, a part of metal impurities contained in the graphite materials reach a melting point and do not reach a boiling point, so that the metal impurities flow out of the graphite materials in a liquid state and are collected on the base plate 1, and waste liquid can drop onto the liquid collecting portion 11 from the liquid drain hole 12, thereby reducing the waste liquid remained on the base plate 1, being beneficial to improving purity of the calcined graphite pieces, and improving purification effect of the novel energy-saving crucible. Since the liquid collecting portion 11 is inclined, the waste liquid flows along the liquid collecting portion 11 by gravity and is finally collected in the liquid collecting tank 111, and the liquid collecting portion 11 and the liquid collecting tank 111 can be made of silicon carbide by periodically cleaning and replacing the liquid collecting tank 111 at high temperature to treat the waste liquid accumulated for a long time.
Referring to fig. 1 to 5, according to some embodiments of the present invention, the novel energy-saving crucible with graphite paper includes insulation boards 7, the insulation boards 7 are four and are respectively connected to one side of the insulation board 4 far away from the inner cavity 6, and the insulation boards 7 have heat insulation performance, so that heat in the inner cavity 6 can be prevented from escaping, thereby improving the energy utilization rate of the novel energy-saving crucible and reducing power consumption. One side of the cover plate 3 far away from the inner cavity 6 is provided with heat preservation materials, the components of the heat preservation materials are calcined coke particles, the calcined coke has good heat preservation performance and is low in cost, the sulfur content of the heat preservation materials is not more than 2%, harmful gases generated by the heat preservation materials due to high temperature can be reduced, for example, sulfur dioxide generated by the heat preservation materials is reduced, the environment pollution is reduced, and the novel energy-saving crucible is more green and environment-friendly.
Referring to fig. 1-5, according to some embodiments of the present invention, the side barrier 2 is made of a graphite material, for example, the side barrier 2 is made of graphene, so that the side barrier 2 has extremely high heat resistance and structural strength, and deformation of the side barrier 2 and the fryer can be effectively prevented. The volume density of the side baffle 2 is not less than 1.65g/cm 3, for example, the volume density of the side baffle 2 is 1.69 g/cm 3, if the volume density of the side baffle 2 is too small, the side baffle 2 is easy to deform under the extrusion of the sub-crucible 5, and the side baffle 2 has higher structural strength by controlling the volume density of the side baffle 2, so that the reliability of the novel energy-saving crucible is improved. The resistivity of the side baffle 2 is not more than 12 x 10 (-6) Ω·m, for example, the resistivity of the side baffle 2 is 8 x 10 (-6) Ω·m, if the resistivity of the side baffle 2 is too large, when the novel energy-saving crucible is electrified with the same power, the electric heat generated by the side baffle 2 is increased, the electric heat generated by the sub-crucible 5 is reduced, so that the heat is transferred to the edge of the inner cavity 6, the heat dissipation is easy to be caused, the electric heat can be concentrated in the inner cavity 6 by controlling the resistivity of the side baffle 2, and the energy utilization rate of the novel energy-saving crucible is improved.
Referring to fig. 1-5, alternatively, a plurality of first ac electrodes 31 matched with the first electrodes 5212 are formed on one side of the cover plate 3 close to the inner cavity 6, a plurality of second ac electrodes 13 matched with the second electrodes 51211 are formed on the bottom plate 1, and by arranging the first ac electrodes 31 and the second ac electrodes 13, an ac power supply of the graphitizing furnace can be communicated with the first ac electrodes 31 and the second ac electrodes 13, so that the novel energy-saving crucible is electrified with ac power, an electrolysis effect generated by direct current can be avoided, the subsequent service life of graphite materials is prolonged, and meanwhile, the first ac electrodes 31 and the second ac electrodes 13 can conveniently position the sub-crucible 5, which is beneficial to tightly and orderly stacking the plurality of sub-crucibles 5, improving the charging capacity of the novel energy-saving crucible and improving the graphitizing efficiency of the novel energy-saving crucible.
Referring to fig. 1 to 5, according to some embodiments of the present invention, the novel energy-saving crucible with graphite paper includes a waste gas collecting device 8, the waste gas collecting device 8 is provided on the cover plate 3, the waste gas collecting device 8 is communicated with the inner cavity 6, during the process of calcining the graphite material, a part of impurities contained in the graphite material reach a boiling point, so that the impurities seep out from the graphite material in a gaseous state, the waste gas collecting device 8 can collect waste gas in the inner cavity 6, which is beneficial to improving the purity of the calcined graphite piece, thereby improving the purification effect of the novel energy-saving crucible.
Referring to fig. 6 to 10, alternatively, the purity of graphite in the sub-crucible 5 is not less than 97%, since the components of the sub-crucible 5 are composed of graphite and carbon particles 5111, that is, the carbon content of the sub-crucible 5 is not more than 3%, if the carbon particles 5111 attached to the sub-crucible 5 are too much, excessive carbon vapor generated during the process of calcining the graphite material cannot be entirely generated on the surface of the graphite material, so that the sub-crucible 5 cannot be entirely fused into the graphite material, and the use value of the novel energy-saving crucible is improved by controlling the purity of graphite in the sub-crucible 5, thereby being beneficial to the complete fusion of the sub-crucible 5 into the graphite material. The diameter of the carbon particles 5111 is not more than 4mm, the gaps between the adjacent sub-crucibles 5 can be reduced, the compact and orderly stacking of the plurality of sub-crucibles 5 is facilitated, the charging capacity of the novel energy-saving crucible is improved, the graphitization efficiency of the novel energy-saving crucible is improved, the carbon particles 5111 are uniformly distributed on the surface of the sub-crucible 5 in an array manner, and electric heat can be uniformly generated on the surface of the sub-crucible 5, so that graphite materials are uniformly calcined, and the quality of the graphite materials is improved.
The following table shows the comparison of the parameters of the novel energy-saving crucible of the present invention with those of the crucible furnace of the prior art:
TABLE 1
The data in the table show that under the condition of the same power supply, the novel energy-saving crucible saves the input of the resistance material, all the power is almost used for calcining the graphite material, and the sub-crucible 5 for replacing the resistance material is fused into a part of the graphite material, so that the ton power consumption is greatly reduced.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.
Claims (10)
1. Novel energy-conserving crucible with graphite paper, characterized by, include: bottom plate (1), side shield (2), overlay plate (3), insulation board (4) and a plurality of sub-crucible (5), novel energy-conserving crucible is used for constructing the cavity of graphitization stove, bottom plate (1) are rectangular plate and place along the horizontal direction, side shield (2) have four and centers on the border setting of bottom plate (1), overlay plate (3) cover the top of side shield (2), overlay plate (3), bottom plate (1) and four side shield (2) constitute confined inner chamber (6), insulation board (4) have four and connect respectively side shield (2) keep away from one side of inner chamber (6), a plurality of sub-crucible (5) are orderly arranged in inner chamber (6), the lateral wall of sub-crucible (5) includes graphite paper portion (511), be attached to on graphite paper portion (511) carbon granule (5111).
2. The novel energy-saving crucible with graphite paper according to claim 1, wherein the shape of the sub-crucible (5) is a hollow box body, the sub-crucible (5) comprises a sub-crucible body (51) and a sub-crucible top cover (52), the top of the sub-crucible body (51) is suitable for being embedded into the sub-crucible top cover (52), a surrounding protruding part (521) is formed on the outer wall of the sub-crucible top cover (52), a surrounding concave part (512) matched with the protruding part (521) is formed on the bottom wall of the sub-crucible body (51), and the material of the sub-crucible top cover (52) is graphite paper.
3. The novel energy-saving crucible with graphite paper according to claim 2, wherein a raised flanging part (5211) is formed at the edge of the raised part (521), a first electrode (5212) is arranged at the center of the raised part (521), the first electrode (5212) is a carbon electrode, a raised concave table (5121) is formed on the concave part (512), concave grooves (5122) suitable for embedding the raised flanging part (5211) are formed around the concave table (5121), a second electrode (51211) is arranged on the concave table (5121), and the second electrode (51211) is a carbon electrode.
4. A new energy saving crucible with graphite paper as claimed in claim 2, wherein one pair of opposite side walls of the sub crucible body (51) is constituted by graphite paper parts (511), the other pair of opposite side walls is a connection part (513), and the material of the connection part (513) is graphite paper.
5. The novel energy-saving crucible with the graphite paper according to claim 1, wherein a liquid collecting portion (11) is arranged at the lower portion of the bottom plate (1), a liquid discharging hole (12) is formed in the bottom plate (1), the liquid collecting portion (11) is obliquely arranged, and a detachable liquid collecting groove (111) is formed in the bottom of the liquid collecting portion (11).
6. The novel energy-saving crucible with graphite paper as set forth in claim 1, comprising: the heat preservation board (7), heat preservation board (7) have four and connect respectively insulating board (4) keep away from one side of inner chamber (6), one side that inner chamber (6) was kept away from to covering board (3) is equipped with the heat preservation material, the composition of heat preservation material is burnt granule after calcining, the sulphur content of heat preservation material is not more than 2%.
7. The novel energy-saving crucible with graphite paper according to claim 1, characterized in that the side baffles (2) are graphite material, the bulk density of the side baffles (2) is not less than 1.65g/cm 3, and the resistivity of the side baffles (2) is not more than 12 x 10 (-6) Ω -m.
8. A new energy saving crucible with graphite paper according to claim 3, characterized in that the cover plate (3) is formed with a plurality of first ac electrodes (31) cooperating with the first electrodes (5212) on the side close to the inner cavity (6), and a plurality of second ac electrodes (13) cooperating with the second electrodes (51211) are formed on the bottom plate (1).
9. The novel energy-saving crucible with graphite paper as set forth in claim 1, comprising: the waste gas collecting device (8), waste gas collecting device (8) are established on the apron (3), waste gas collecting device (8) with inner chamber (6) intercommunication.
10. The novel energy-saving crucible with graphite paper according to claim 4, wherein the purity of graphite of the sub-crucible (5) is not less than 97%, the diameter of the carbon particles (5111) is not more than 4mm, and the carbon particles (5111) are uniformly arranged in an array on the surface of the sub-crucible (5).
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203269577U (en) * | 2013-05-16 | 2013-11-06 | 鸡西浩市新能源材料有限公司 | Novel crucible for graphitization furnace |
| US20140127124A1 (en) * | 2011-05-31 | 2014-05-08 | IHI (IHI Corporation) | Graphitization furnace and method for producing graphite |
| CN203807180U (en) * | 2014-05-04 | 2014-09-03 | 郴州市三晶科贸有限公司 | Internal serial graphitization furnace for producing artificial graphite negative electrode material |
| KR101554912B1 (en) * | 2014-08-13 | 2015-09-22 | 에스케이씨 주식회사 | Method for preparing graphite and furnace therefor |
| CN204897413U (en) * | 2015-08-26 | 2015-12-23 | 江苏舜天高新炭材有限公司 | Be used for lithium cell anode material graphitization purification containment structure |
| CN205527765U (en) * | 2016-03-16 | 2016-08-31 | 江苏舜天高新炭材有限公司 | Energy -saving graphitizing furnace that concatenates |
| CN206244918U (en) * | 2016-12-09 | 2017-06-13 | 河北同光晶体有限公司 | A kind of device for reducing the loss of sic raw material component |
| CN211366986U (en) * | 2019-12-28 | 2020-08-28 | 兴化市三圆锌品有限公司 | High-temperature-resistant crucible for preparing zinc oxide product based on indirect method |
| CN218026447U (en) * | 2022-09-02 | 2022-12-13 | 河南驭波科技有限公司 | Crucible mold for preparing special-shaped crystal |
| WO2023011646A1 (en) * | 2021-08-06 | 2023-02-09 | 深圳市深瑞墨烯科技有限公司 | Graphene film and preparation method therefor |
-
2023
- 2023-07-21 CN CN202310898220.XA patent/CN116907213B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140127124A1 (en) * | 2011-05-31 | 2014-05-08 | IHI (IHI Corporation) | Graphitization furnace and method for producing graphite |
| CN203269577U (en) * | 2013-05-16 | 2013-11-06 | 鸡西浩市新能源材料有限公司 | Novel crucible for graphitization furnace |
| CN203807180U (en) * | 2014-05-04 | 2014-09-03 | 郴州市三晶科贸有限公司 | Internal serial graphitization furnace for producing artificial graphite negative electrode material |
| KR101554912B1 (en) * | 2014-08-13 | 2015-09-22 | 에스케이씨 주식회사 | Method for preparing graphite and furnace therefor |
| CN204897413U (en) * | 2015-08-26 | 2015-12-23 | 江苏舜天高新炭材有限公司 | Be used for lithium cell anode material graphitization purification containment structure |
| CN205527765U (en) * | 2016-03-16 | 2016-08-31 | 江苏舜天高新炭材有限公司 | Energy -saving graphitizing furnace that concatenates |
| CN206244918U (en) * | 2016-12-09 | 2017-06-13 | 河北同光晶体有限公司 | A kind of device for reducing the loss of sic raw material component |
| CN211366986U (en) * | 2019-12-28 | 2020-08-28 | 兴化市三圆锌品有限公司 | High-temperature-resistant crucible for preparing zinc oxide product based on indirect method |
| WO2023011646A1 (en) * | 2021-08-06 | 2023-02-09 | 深圳市深瑞墨烯科技有限公司 | Graphene film and preparation method therefor |
| CN218026447U (en) * | 2022-09-02 | 2022-12-13 | 河南驭波科技有限公司 | Crucible mold for preparing special-shaped crystal |
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