CN217962863U - A stoving breaker for graphite - Google Patents
A stoving breaker for graphite Download PDFInfo
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- CN217962863U CN217962863U CN202222042151.6U CN202222042151U CN217962863U CN 217962863 U CN217962863 U CN 217962863U CN 202222042151 U CN202222042151 U CN 202222042151U CN 217962863 U CN217962863 U CN 217962863U
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Abstract
The utility model discloses a stoving breaker for graphite, including the broken stoving case of graphite, the broken stoving incasement portion of graphite is equipped with the broken knife tackle of graphite, graphite grinding roller set, first graphite powder screen cloth under from the top in proper order, the certain angle setting of first graphite powder screen cloth left end downward sloping, the left surface of the broken stoving case of graphite is equipped with first receipts material outlet pipe, there is first material loading machine first receipts material outlet pipe's the other end through the recovery tube intercommunication, the discharge end and the graphite feed inlet intercommunication of first material loading machine. The utility model discloses a setting is used for screening the first graphite powder screen cloth of graphite powder below 20 mu m of particle diameter, and unqualified graphite powder can be through first recovery material outlet pipe, recovery tube, first material loading machine follow the graphite feed inlet again broken handle, circulates in proper order, until becoming qualified graphite powder, need not the manual work and collect unqualified graphite powder, and degree of automation is high, can be applicable to the production of industrialization graphite electrode material.
Description
Technical Field
The utility model belongs to the technical field of graphite negative electrode material production facility, especially, relate to a stoving breaker for graphite.
Background
The lithium ion battery mainly comprises a positive electrode, a negative electrode, electrolyte capable of conducting lithium ions and a diaphragm for separating the positive electrode from the negative electrode. The lithium ion battery negative electrode materials are divided into the following categories: carbon material negative electrodes (including graphitic carbon materials, non-graphitic carbon materials, doped carbon materials, coated carbon materials), non-carbon negative electrodes (including alloy negative electrodes and transition metal oxide negative electrodes). Among a plurality of negative electrode materials, graphite rapidly receives wide attention due to the characteristics of abundant resources, low price, high reversible capacity, low charge-discharge voltage platform, no voltage hysteresis, excellent conductivity and the like, and the research and application of the graphite material are not few. However, the graphite material has some disadvantages, for example, the combination of the graphite layers by van der waals force, the interlayer force action is small and the interlayer spacing is smaller than the crystal face interlayer spacing of the graphite intercalation compound, so that the graphite layer spacing is changed during the charging and discharging process, the graphite sheet is peeled off and pulverized, and the electrical cycle performance is not ideal; secondly, due to the structural defects of the graphite, a plurality of active groups exist on the surface of the graphite, so that the natural graphite has poor compatibility with a solvent; again, the tap density is relatively low. In order to overcome the defects, the surface of the graphite material needs to be modified, and the publication number CN 107482203A discloses a coating modification method of a graphite negative electrode material, wherein secondary coating is performed on the basis of primary coating. The primary coated graphite is mainly prepared by the following steps: and (3) placing the graphite particles in a phenolic resin ethanol solution, stirring, separating and drying to obtain the primary coated graphite. Among them, the graphite is preferably natural spherical graphite. The D50 particle size of the graphite is 10-20 μm. Absolute ethyl alcohol is used as a solvent in the phenolic resin ethanol solution. In the primary coating process, stirring at normal temperature is adopted, and after stirring is finished, separation and filtration are carried out to remove most of the solvent. The primary coated graphite in a wet state is dried to remove the remaining solvent. And (5) obtaining the primary coated graphite after drying. The secondary coating is relative to the primary coating, and specifically refers to a process of coating the graphite coated by the coating agent once again. In practice, the situation that a large amount of graphite micro powder agglomerates sometimes occurs after the graphite micro powder is coated for one time, the agglomerated graphite blocks can be screened out through a screen before being coated for the second time, in order to ensure the reutilization of the graphite blocks, the graphite blocks need to be subjected to heavy crushing treatment, the conventional crushing device only realizes the screening between qualified graphite and unqualified graphite after crushing, qualified graphite and unqualified graphite are respectively manually collected, the unqualified graphite is difficult to be directly conveyed to realize re-crushing, the automation degree is low, and the production requirement of industrial graphite electrodes cannot be met.
SUMMERY OF THE UTILITY MODEL
It is not enough to prior art, the utility model aims to provide a stoving breaker for graphite for solve the technical problem who provides in the background art.
The utility model provides a following technical scheme:
the utility model provides a stoving breaker for graphite, includes the broken stoving case of graphite, the up end of the broken stoving case of graphite is provided with the graphite feed inlet, the broken knife tackle of graphite, graphite grinding roller set and the first graphite powder screen cloth that is used for sieving qualified graphite powder have set gradually from the top down in the broken stoving incasement of graphite, first graphite powder screen cloth left end downward sloping certain angle sets up, the left side of the broken stoving case of graphite is located the left end department of first graphite powder screen cloth is provided with first reclaimed material outlet pipe, the other end of first reclaimed material outlet pipe has the first material loading machine that is used for retrieving unqualified graphite powder through the reclaimed material intercommunication, the discharge end of first material loading machine with graphite feed inlet intercommunication, the inside stoving mechanism that is used for stoving graphite that still is provided with of the broken stoving case of graphite. The first graphite powder screen is used for screening graphite powder with the particle size of less than 20 mu m.
Preferably, the bottom of the graphite crushing and drying box is provided with a plurality of damping support legs.
Preferably, the bottom of the graphite crushing and drying box is provided with a qualified material outlet.
Preferably, the stoving mechanism includes the baffle, the vertical setting of baffle is inside the broken stoving incasement portion of graphite, just the right flank of baffle with enclose into the fourth cavity between the broken stoving incasement wall of graphite, be provided with total hot-blast pipe in the fourth cavity, the intercommunication has hot-blast branch pipe on the total hot-blast pipe, the other end intercommunication of hot-blast branch pipe has hot-blast cover, hot-blast cover nestification is on the baffle, just the end of giving vent to anger of hot-blast cover runs through the left surface of baffle, the inlet end intercommunication of total hot-blast pipe has the air heater.
Preferably, the hot air blower is positioned on the upper end surface of the graphite crushing and drying box.
Preferably, an electromagnetic vibrator is further disposed at the bottom of the fourth chamber.
Preferably, the graphite crushing cutter set, the graphite grinding roller set and the first graphite powder screen are all located on the left side of the partition plate.
Preferably, the first feeding machine comprises a first feeding machine main body, a first feeding machine feeding hole is formed in the lower end of the first feeding machine main body, the first feeding machine feeding hole is communicated with the recovery pipe, a first feeding machine discharging pipe is arranged at the upper end of the first feeding machine main body, and the other end of the first feeding machine discharging pipe is communicated with the graphite feeding hole.
Preferably, the feed inlet of the first feeding machine is communicated with the recycling pipe through a first corrugated hose.
Preferably, the graphite feed inlet includes graphite first feed inlet, graphite second feed inlet, graphite first feed inlet with first material loading machine discharging pipe intercommunication, graphite second feed inlet intercommunication has the second material loading machine that is used for carrying the graphite raw materials.
Preferably, the first graphite feed inlet is communicated with the discharge pipe of the first feeding machine through a second corrugated hose.
Preferably, the graphite second feeding hole is communicated with a second feeding machine discharging pipe of the second feeding machine through a third corrugated hose.
Preferably, the inside of the broken stoving case of graphite still is provided with the second graphite powder screen cloth that is used for prescreening, the second graphite powder screen cloth is located position between graphite grinding roller set and the first graphite powder screen cloth, just the certain angle setting of second graphite powder screen cloth left end downward sloping, the left surface of the broken stoving case of graphite is located the left end department of second graphite powder screen cloth is provided with the second reclaimed material outlet pipe, the other end of second reclaimed material outlet pipe with the recovery tube intercommunication. The second graphite powder screen is used for screening graphite powder with the particle size of below 50 mu m.
Preferably, a first chamber is defined by the upper end surface of the second graphite powder screen, the inner wall of the graphite crushing and drying box and the left side surface of the partition plate, the graphite crushing cutter group and the graphite grinding roller group are both positioned in the first chamber, and the hot air cover is communicated with the first chamber; a second chamber is defined between the lower end face of the second graphite powder screen and the upper end face of the first graphite powder screen; and a third chamber is defined by the lower end face of the first graphite powder screen, the inner wall of the graphite crushing and drying box and the left side face of the partition plate.
Preferably, a second hot air cover is arranged on the left side face of the partition plate and located at the second cavity, and the second hot air cover is communicated with the main hot air pipe through a second hot air branch pipe.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model relates to a stoving breaker for graphite, set up first graphite powder screen cloth through the below at graphite powder grinding roller group, qualified graphite powder can be collected through first graphite powder screen cloth and through qualified material export, unqualified graphite powder can be through first recovery material outlet pipe, the recovery tube, broken handle is carried out again from the graphite feed inlet again to first material loading machine, circulate in proper order, until becoming qualified graphite powder, it collects unqualified graphite powder to need not the manual work, degree of automation is high, can be applicable to the production of industrialization graphite electrode material.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments are briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic front view of the present invention.
Fig. 3 is a partially enlarged schematic view of a portion a of fig. 1 according to the present invention.
Fig. 4 is a schematic view of the valve assembly of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-3, a drying and crushing device for graphite comprises a graphite crushing and drying box 1, wherein a graphite feed port is formed in the upper end face of the graphite crushing and drying box 1, a graphite crushing cutter set 3, a graphite grinding roller set 4 and a first graphite powder screen 5 for screening qualified graphite powder are sequentially arranged in the graphite crushing and drying box 1 from top to bottom, the left end of the first graphite powder screen 5 is inclined downward by a certain angle, a first recovery material outlet pipe 6 is arranged on the left end face of the graphite crushing and drying box 1, which is located at the left end of the first graphite powder screen 5, the other end of the first recovery material outlet pipe 6 is communicated with a first feeding machine 8 for recovering unqualified graphite powder through a recovery pipe 7, the discharge end of the first feeding machine 8 is communicated with the graphite feed port, and a drying mechanism 9 for drying graphite is further arranged in the graphite crushing and drying box 1. The first graphite powder screen 5 is used for screening graphite powder with the particle size of less than 20 microns. Through setting up first graphite powder screen cloth in the below of graphite powder grinding roller group, qualified graphite powder can be collected through first graphite powder screen cloth and through the export of qualified material, unqualified graphite powder can be through first receipts material outlet pipe, the recovery tube, crushing treatment is carried out again from the graphite feed inlet again to first material loading machine, circulate in proper order, until becoming qualified graphite powder, need not the manual work and collect unqualified graphite powder, degree of automation is high, can be applicable to the production of industrialization graphite electrode material.
The bottom of the graphite crushing and drying box 1 is provided with a plurality of damping support legs 20.
And a qualified material outlet 18 is formed in the bottom of the graphite crushing and drying box 1.
The hot air blower 96 is located on the upper end surface of the graphite crushing and drying box 1.
The bottom of the fourth chamber is also provided with an electromagnetic vibrator 19.
The graphite crushing cutter group 3, the graphite grinding roller group 4 and the first graphite powder screen 5 are all located on the left side of the partition plate 91.
First material loading machine 8 includes first material loading machine main part 81, the lower extreme of first material loading machine main part is provided with first material loading machine feed inlet 82, first material loading machine feed inlet 82 with recovery tube 7 intercommunication, the upper end of first material loading machine main part is provided with first material loading machine discharging pipe 83, the other end of first material loading machine discharging pipe 83 with graphite feed inlet intercommunication.
The first feeding machine inlet 82 is communicated with the recovery pipe 7 through a first corrugated hose 15. The arrangement of the first corrugated hose 15 can reduce the force transmitted to the first feeding machine by the vibration of the graphite crushing and drying box 1.
The graphite feed inlet includes graphite first feed inlet 21, graphite second feed inlet 22, graphite first feed inlet 21 with first material loading machine discharging pipe 83 intercommunication, graphite second feed inlet 22 intercommunication has second material loading machine 24 that is used for carrying the graphite raw materials.
The graphite first feed inlet 21 is communicated with the first feeder discharge pipe 83 through a second corrugated hose 16. The second corrugated hose 16 is arranged, so that the force of vibration conduction of the graphite crushing and drying box 1 to the first feeding machine can be reduced.
The graphite second feed inlet 22 is communicated with a second feeder discharge pipe of the second feeder 24 through a third corrugated hose 17. The third corrugated hose 17 can reduce the force transmitted to the second feeding machine 24 by the vibration of the graphite crushing and drying box 1.
The inside of the broken stoving case of graphite 1 still is provided with the second graphite powder screen cloth 10 that is used for prescreening, second graphite powder screen cloth 10 is located position between graphite grinding roller set and the first graphite powder screen cloth 5, just the certain angle setting of second graphite powder screen cloth 10 left end downward sloping, the left surface of the broken stoving case of graphite 1 is located the left end department of second graphite powder screen cloth 10 is provided with second reclaimed material outlet pipe 11, the other end of second reclaimed material outlet pipe 11 with recovery tube 7 communicates. The second graphite powder screen 10 is used for screening graphite powder with a particle size of 50 μm or less. The phenomenon that unqualified graphite is difficult to screen due to the fact that the first graphite powder screen mesh is blocked up due to too much unqualified graphite can be relieved, and graphite powder with the particle size of less than 50 microns can enter the second chamber through pre-screening, so that the screening pressure of the first graphite powder screen mesh is relieved.
Example 2
Referring to fig. 4, on the basis of embodiment 1, a valve assembly is further disposed at the first reclaimed material outlet pipe 6, the valve assembly includes a door-shaped support frame 231, an air cylinder 232 is vertically disposed downward from an upper end surface of the door-shaped support frame, a cylinder body of the air cylinder is vertically connected to the upper end surface of the door-shaped support frame, a piston rod end of the air cylinder is connected to a baffle 233, the baffle is vertically disposed, and a rectangular opening 234 adapted to the baffle is disposed at the position, at which the upper end surface of the first reclaimed material outlet pipe 6 is located, of the baffle. Can realize the longitudinal movement of baffle through the cylinder, when the baffle is in the low end, realize receiving the closing of material outlet pipe 6 to first time, when the baffle is in high-end, realize receiving opening of material outlet pipe 6 to first time. The valve component is in a timing opening or closing state during working, and qualified graphite powder can be effectively reduced and discharged from the first reclaimed material outlet pipe during screening.
The upper end surface of the second graphite powder screen 10, the inner wall of the graphite crushing and drying box 1 and the left side surface of the partition plate jointly enclose a first chamber 12, the graphite crushing cutter group 3 and the graphite grinding roller group 4 are both positioned in the first chamber, and the hot air cover 95 is communicated with the first chamber; a second chamber 13 is defined between the lower end face of the second graphite powder screen 10 and the upper end face of the first graphite powder screen 5; and a third chamber 14 is defined by the lower end surface of the first graphite powder screen 5, the inner wall of the graphite crushing and drying box 1 and the left side surface of the partition plate.
A second hot air cover 98 is arranged on the left side surface of the partition plate 91 and positioned in the second chamber 13, and the second hot air cover is communicated with the main hot air pipe through a second hot air branch pipe 97. The second hot air cover can realize centralized high-temperature drying of the graphite powder with the particle size of less than 50 microns in the second chamber, and the drying effect is further improved.
The working principle is as follows: when the graphite powder collector is used, agglomerated graphite blocks are conveyed into a graphite crushing and drying box through a second feeding machine, the graphite blocks are crushed through a graphite crushing cutter set and a graphite grinding roller set and ground and then fall into a second graphite powder screen and a first graphite powder screen to be screened, qualified graphite powder can be collected through the first graphite powder screen and a qualified material outlet, unqualified graphite powder can be re-crushed from a graphite feed inlet through a first recovered material outlet pipe, a second recovered material outlet pipe, a recovery pipe and the first feeding machine, and the operation is repeated in sequence until the qualified graphite powder is obtained, the hot air fan is always in a working state in the period, hot air can enter a first chamber through a total hot air pipe, a hot air branch pipe and a hot air cover, so that high-temperature drying of graphite in the first chamber is realized, moisture on the graphite is removed, and the drying function is achieved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be within the technical scope of the present invention, and the technical solution and the inventive concept of the present invention are equivalent to or changed according to the present invention, and all those are included in the scope of the present invention.
Claims (7)
1. The utility model provides a stoving breaker for graphite, includes broken stoving case (1) of graphite, its characterized in that: the upper end face of the broken stoving case of graphite (1) is provided with the graphite feed inlet, the broken knife tackle of graphite (3), graphite grinding roller set (4) and first graphite powder screen cloth (5) that are used for sieving qualified graphite powder have set gradually under the inside from the top of broken stoving case of graphite (1), first graphite powder screen cloth (5) left end downward sloping certain angle sets up, the left side of the broken stoving case of graphite (1) is located the left end department of first graphite powder screen cloth (5) is provided with first receipts material outlet pipe (6), the other end of first receipts material outlet pipe (6) has first material loading machine (8) that are used for retrieving unqualified graphite powder through recovery tube (7) intercommunication, the discharge end of first material loading machine (8) with the graphite feed inlet intercommunication, the inside stoving mechanism (9) that are used for drying graphite that still is provided with of the broken stoving case of graphite (1).
2. The drying and crushing device for graphite according to claim 1, wherein the drying mechanism (9) comprises a partition plate (91), the partition plate (91) is vertically arranged inside the graphite crushing and drying box (1), a fourth chamber (92) is enclosed between the right side surface of the partition plate (91) and the inner wall of the graphite crushing and drying box (1), a total hot air pipe (93) is arranged in the fourth chamber, a hot air branch pipe (94) is communicated with the total hot air pipe (93), the other end of the hot air branch pipe is communicated with a hot air cover (95), the hot air cover (95) is nested on the partition plate (91), the air outlet end of the hot air cover (95) penetrates through the left side surface of the partition plate (91), and the air inlet end of the total hot air pipe is communicated with a hot air blower (96).
3. The drying and crushing device for graphite according to claim 1, wherein the first feeder (8) comprises a first feeder main body (81), a first feeder inlet (82) is arranged at the lower end of the first feeder main body, the first feeder inlet (82) is communicated with the recovery pipe (7), a first feeder outlet pipe (83) is arranged at the upper end of the first feeder main body, and the other end of the first feeder outlet pipe (83) is communicated with the graphite inlet.
4. The drying and crushing device for graphite according to claim 3, wherein the first feeder inlet (82) is communicated with the recovery pipe (7) through a first corrugated hose (15).
5. The drying and crushing device for graphite according to claim 3, wherein the graphite feed inlet comprises a first graphite feed inlet (21) and a second graphite feed inlet (22), the first graphite feed inlet (21) is communicated with a discharge pipe (83) of the first feeding machine, and the second graphite feed inlet (22) is communicated with a second feeding machine (24) for conveying graphite raw materials.
6. The drying and crushing device for graphite according to claim 5, characterized in that the first graphite inlet (21) is communicated with the first feeder outlet (83) through a second corrugated hose (16).
7. The drying and crushing device for graphite according to claim 5, characterized in that the graphite second feeding inlet (22) is communicated with the second feeding machine discharging pipe of the second feeding machine (24) through a third corrugated hose (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202222042151.6U CN217962863U (en) | 2022-08-04 | 2022-08-04 | A stoving breaker for graphite |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222042151.6U CN217962863U (en) | 2022-08-04 | 2022-08-04 | A stoving breaker for graphite |
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| CN217962863U true CN217962863U (en) | 2022-12-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115970853A (en) * | 2023-03-18 | 2023-04-18 | 潍坊新翰泽能源科技有限公司 | Full-automatic cathode material integrated production line and method |
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- 2022-08-04 CN CN202222042151.6U patent/CN217962863U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115970853A (en) * | 2023-03-18 | 2023-04-18 | 潍坊新翰泽能源科技有限公司 | Full-automatic cathode material integrated production line and method |
| CN115970853B (en) * | 2023-03-18 | 2023-06-16 | 潍坊新翰泽能源科技有限公司 | Full-automatic cathode material integrated production line and method |
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