CN110779327A - High-temperature rotary furnace for continuous production and manufacture of lithium battery cathode silicon-carbon material - Google Patents
High-temperature rotary furnace for continuous production and manufacture of lithium battery cathode silicon-carbon material Download PDFInfo
- Publication number
- CN110779327A CN110779327A CN201911009032.7A CN201911009032A CN110779327A CN 110779327 A CN110779327 A CN 110779327A CN 201911009032 A CN201911009032 A CN 201911009032A CN 110779327 A CN110779327 A CN 110779327A
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- furnace tube
- temperature
- silicon
- temperature furnace
- lithium battery
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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
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/34—Arrangements of heating devices
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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
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/06—Rotary-drum furnaces, i.e. horizontal or slightly inclined adapted for treating the charge in vacuum or special atmosphere
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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
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/32—Arrangement of devices for charging
- F27B7/3205—Charging
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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
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/36—Arrangements of air or gas supply devices
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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
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/38—Arrangements of cooling devices
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- 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
Abstract
The invention relates to the technical field of lithium battery production, in particular to a high-temperature rotary furnace for continuous production and manufacture of lithium battery cathode silicon-carbon materials, which comprises a waste gas treatment device, and a feeding device, a reaction device and a cooling device which are sequentially connected, wherein the reaction device comprises a high-temperature furnace tube, a gas heating chamber, a driving mechanism and a gas supply unit, the gas heating chamber is arranged outside the high-temperature furnace tube and is communicated with the rear end of the high-temperature furnace tube, two ends of the high-temperature furnace tube are respectively connected with the feeding device and the cooling device, the driving mechanism is in transmission connection with the high-temperature furnace tube, the high-temperature furnace tube. According to the invention, the high-temperature furnace tube is heated by the fuel gas heating chamber, so that the lithium battery cathode silicon carbon material in the high-temperature furnace tube is continuously turned, mixed and contacted for reaction, and the inner wall of the high-temperature furnace tube is vibrated by the vibrator, so that the lithium battery cathode silicon carbon material is prevented from being adhered to the inner wall of the high-temperature furnace tube, and the production efficiency of the lithium battery cathode silicon carbon material is improved.
Description
Technical Field
The invention relates to the technical field of lithium battery production, in particular to a high-temperature rotary furnace for continuously producing and manufacturing a lithium battery cathode silicon-carbon material.
Background
The lithium battery is a battery which uses lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, and because the chemical properties of the lithium metal are very active, the lithium battery is very easy to burn or burst in a high-temperature environment during production and processing, so that the rotary kiln for processing the lithium battery needs to meet very high requirements. The rotary kiln in the prior art has the following problems when the lithium battery silicon carbon material is fired:
1. the lithium battery silicon carbon material is easy to adhere to the furnace wall, so that the production efficiency of the lithium battery silicon carbon material is reduced, and the heat transfer is not facilitated;
2. in the prior art, the charging and discharging of the rotary kiln need manual operation, the automation degree is low, and the lithium battery silicon carbon material needs longer time of natural cooling after being discharged from the rotary kiln, so that the production efficiency is reduced;
3. since the silicon-carbon material needs to be sintered under the protection of flammable and explosive gas and inert atmosphere, the flammable and explosive gas cannot be utilized when the silicon-carbon material is produced in the prior art, so that the waste of energy is caused;
4. the waste gas and dust generated in the sintering process of the silicon carbon material cause environmental pollution.
Disclosure of Invention
The invention aims to provide a high-temperature rotary furnace for continuously producing and manufacturing a lithium battery cathode silicon carbon material, which solves the problems that the lithium battery silicon carbon material is easy to adhere to a furnace wall and has long cooling time in the production process, and is beneficial to saving energy, improving the production efficiency and reducing environmental pollution.
In order to achieve the aim, the invention provides a high-temperature rotary furnace for continuously producing and manufacturing silicon-carbon materials of a negative electrode of a lithium battery, which comprises a waste gas treatment device, a feeding device, a reaction device and a cooling device which are connected in sequence, the reaction device comprises a high-temperature furnace tube, a fuel gas heating chamber, a driving mechanism and a gas supply unit for supplying fuel gas and protective atmosphere, the fuel gas heating chamber is arranged outside the high-temperature furnace tube and communicated with the rear end of the high-temperature furnace tube, a plurality of burners are arranged in the fuel gas heating chamber, the two ends of the high-temperature furnace tube are respectively connected with the feeding device and the cooling device, the driving mechanism is in transmission connection with the high-temperature furnace tube and is used for driving the high-temperature furnace tube to rotate circumferentially, the high-temperature furnace tube is provided with a vibrator for vibrating the inner wall of the high-temperature furnace tube, and the waste gas treatment device is connected with the reaction device and is used for treating reaction waste gas.
Optionally, feed arrangement includes storage silo and spiral feed machine, the storage silo sets up in the feed inlet of spiral feed machine, the discharge gate of spiral feed machine is connected with the feed inlet of high temperature boiler tube, the storage silo is equipped with the charge level indicator that is used for detecting storage silo raw materials stock capacity.
Optionally, the reaction device further comprises a corrugated pipe and a discharge bin, and the feeding device and/or the discharge bin are connected with the high-temperature furnace pipe through the corrugated pipe.
Optionally, the inner side wall of the high-temperature furnace tube is provided with guide vanes.
The gas heating chamber is communicated with an exhaust device for exhausting waste gas generated by gas combustion.
Optionally, the cooling device includes a cooling furnace tube and a water tank, the water tank is provided with a cooling cavity, the cooling furnace tube penetrates through the cooling cavity, and the cooling cavity is provided with a plurality of pipelines for circulation of cooling liquid.
Optionally, the furnace further comprises an angle adjusting device for adjusting the inclination angles of the high-temperature furnace tube and the cooling furnace tube.
Optionally, still include first pallet and second pallet, feed arrangement and reaction unit all install in first pallet, cooling device installs in the second pallet, first pallet is equipped with angle adjustment mechanism is used for adjusting the inclination of first pallet.
Optionally, the running roller is all installed to high temperature boiler tube and cooling boiler tube, all install the supporting wheel on first pallet and the second pallet, the running roller set up in on the supporting wheel.
Optionally, the waste gas treatment device comprises a waste gas incinerator and a dust collector which are sequentially connected with the reaction device.
The embodiment of the invention has the following technical effects:
when the device works, the gas heating chamber is used for combusting gas to heat the high-temperature furnace tube, and the high-temperature furnace tube is driven by the driving mechanism to rotate in the circumferential direction, so that the lithium battery cathode silicon carbon material in the high-temperature furnace tube is continuously turned, mixed and contacted to react, and in the reaction process, the vibrator is used for generating vibration on the inner wall of the high-temperature furnace tube, so that the lithium battery cathode silicon carbon material is prevented from being adhered to the inner wall of the high-temperature furnace tube, and the production efficiency of the lithium battery cathode silicon carbon material is improved.
In addition, because the silicon-carbon material needs to be subjected to firing reaction under the protection of flammable and easily-deflagrated gas and inert atmosphere, a gas heating chamber is arranged, and gas and protective atmosphere are supplied through a gas supply unit, the gas and protective atmosphere pass through a high-temperature furnace tube and are combusted by the gas heating chamber to heat the high-temperature furnace tube, and meanwhile, the subsequently-entering gas and inert atmosphere provide protection for the silicon-carbon material, the silicon-carbon anode material and the silicon-carbon cathode material are protected by the subsequently-entering gas and inert atmosphere, so that the silicon-carbon anode material and the silicon-carbon cathode material are protected by the.
Finally, the invention is beneficial to greatly reducing the energy consumption, improving the product quality and reducing the mixing probability of foreign matters in the production process, and provides a reliable device initiated in China for reducing the cost of the lithium battery anode material.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of the present invention.
Description of reference numerals:
1. the device comprises a waste gas treatment device, 11, a waste gas incinerator, 12, a dust collector, 2, a feeding device, 21, a storage bin, 22, a spiral feeder, 13, a level indicator, 3, a reaction device, 31, a high-temperature furnace tube, 32, a gas heating chamber, 33, a driving mechanism, 331, a driving motor, 332, a chain wheel, 34, a gas supply unit, 35, a corrugated tube, 36, a discharging bin, 4, a cooling device, 41, a cooling furnace tube, 42, a water tank, 43, a pipeline, 5, a vibrator, 6, an exhaust device, 7, an angle adjusting device, 8, a first stand, 9, a second stand, 10, a sealing ring, 101, a roller, 102, a supporting wheel, 103 and a pulley.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In addition, the terms "first", "second", and the like are employed in the present invention to describe various information, but the information should not be limited to these terms, which are used only to distinguish the same type of information from each other. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
Referring to fig. 1, the present embodiment provides a high temperature rotary furnace for continuous production and manufacture of silicon-carbon material of negative electrode of lithium battery, which includes a waste gas treatment device 1, and a feeding device 2, a reaction device 3 and a cooling device 4 connected in sequence, the reaction device 3 includes a high temperature furnace tube 31, the device comprises a gas heating chamber 32, a driving mechanism 33 and a gas supply unit 34 for supplying gas and protective atmosphere, wherein the gas heating chamber 32 is arranged outside a high-temperature furnace tube 31 and is communicated with the rear end of the high-temperature furnace tube 31, a plurality of burners are arranged in the gas heating chamber 32, two ends of the high-temperature furnace tube 31 are respectively connected with a feeding device 2 and a cooling device 4, the driving mechanism 33 is in transmission connection with the high-temperature furnace tube 31 and is used for driving the high-temperature furnace tube 31 to rotate circumferentially, the high-temperature furnace tube 31 is provided with a vibrator 5 for vibrating the inner wall of the high-temperature furnace tube 31, and a waste gas.
When the device works, the fuel gas is combusted through the fuel gas heating chamber 32 to heat the high-temperature furnace tube 31, the high-temperature furnace tube 31 is driven by the driving mechanism 33 to rotate in the circumferential direction, the lithium battery cathode silicon carbon material in the high-temperature furnace tube 31 is continuously turned, mixed and contacted to react, and in the reaction process, the inner wall of the high-temperature furnace tube 31 is vibrated through the vibrator 5, so that the lithium battery cathode silicon carbon material is prevented from being adhered to the inner wall of the high-temperature furnace tube 31, and the production efficiency of the lithium battery cathode silicon carbon material is improved.
In addition, because the silicon-carbon material needs to be subjected to a firing reaction under the protection of flammable and combustible gas and inert atmosphere, the gas heating chamber 32 is arranged, and the gas and protective atmosphere are supplied through the gas supply unit 34, the gas and protective atmosphere pass through the high-temperature furnace tube 31 and then are combusted by the gas heating chamber 32 to heat the high-temperature furnace tube 31, and meanwhile, the subsequently-entering gas and inert atmosphere provide protection for the silicon-carbon material, the invention not only provides a protective atmosphere for the silicon-carbon cathode material, but also provides gas for the gas heating chamber 32 to combust and heat the high-temperature furnace tube 31, is convenient to use, and is beneficial to saving energy;
finally, the invention is beneficial to greatly reducing the energy consumption, improving the product quality and reducing the mixing probability of foreign matters in the production process, and provides a reliable device initiated in China for reducing the cost of the lithium battery anode material.
Specifically, the high-temperature furnace tube 31 in this embodiment is an ultra-high-temperature stainless steel furnace tube, which is suitable for sintering of a lithium battery cathode material, is suitable for driving in nitrogen, oxygen and acetylene gas, and can resist a temperature of 1200 ℃ and a PH of 14, thereby reducing loss of the high-temperature furnace tube 31 in the use process and prolonging the service life.
In this embodiment, the inner side wall of the high temperature furnace tube 31 is provided with the guide vane, so that in the rotation process of the high temperature furnace tube 31, the lithium battery cathode silicon carbon material enters the high temperature furnace tube 31 from the discharge port of the feeding device 2 through the guide vane, and the guide vane pushes the lithium battery cathode silicon carbon material to move towards the discharge bin 36.
Furthermore, the gas heating chamber 32 is communicated with the exhaust device 6 for exhausting the waste gas generated by gas combustion, so that the exhausted waste gas is intensively treated, and the use is more environment-friendly. In addition, both ends of the high-temperature furnace tube 31 in this embodiment are respectively connected with the feeding device 2 and the discharging bin 36 in a sealing manner through the sealing rings 10, so that gas leakage in the high-temperature furnace tube 31 is prevented, and the consumption of gas is reduced.
Further, cooling device 4 includes cooling furnace tube 41 and basin 42, basin 42 is equipped with the cooling cavity, the cooling cavity is worn to establish by cooling furnace tube 41, the cooling cavity is equipped with a plurality of pipelines 43 that are used for the coolant liquid circulation, through coolant liquid circulation flow in basin 42 and pipeline 43, thereby carry out the heat transfer with the lithium cell negative pole silicon carbon material in cooling furnace tube 41, reduce the temperature of lithium cell negative pole silicon carbon material, make the unloading of lithium cell negative pole silicon carbon material reach the required temperature of bagging-off behind cooling furnace tube 41.
Specifically, the angle adjusting device 7 in this embodiment is a jack, and supports one end of the high-temperature furnace tube 31 to wind around the other end as a rotation base point, so that the high-temperature furnace tube 31 is tilted by a certain angle, and the lithium battery negative electrode silicon carbon material moves towards the discharging direction of the high-temperature furnace tube 31 under the action of gravity.
The feeding device 2 and the discharging bin 36 of the embodiment are provided with the pulleys 103 for moving, so that the feeding device 2 and the discharging bin 36 are convenient to move, and the high-temperature furnace tube 31 is convenient to maintain and repair.
This embodiment still includes first pallet 8 and second pallet 9, feed arrangement 2 and reaction unit 3 are all installed in first pallet 8, cooling device 4 is installed in second pallet 9, first pallet 8 is equipped with the inclination that angle adjustment mechanism is used for adjusting first pallet 8, adjust the inclination of first pallet 8 through angle adjustment mechanism, thereby realize adjusting the gradient of placing high temperature furnace tube 31 on first pallet 8 respectively, help improving the stability that high temperature furnace tube 31 adjusted. Wherein, running roller 101 is all installed to the high temperature boiler tube 31 and the cooling boiler tube 41 of this embodiment, all installs supporting wheel 102 on first pallet 8 and the second pallet 9, and running roller 101 sets up on supporting wheel 102, improves high temperature boiler tube 31 and cooling boiler tube 41 circumferential direction's stability in process of production.
In addition, the driving mechanism 33 in this embodiment includes a driving motor 331, a transmission chain and a sprocket 332 sleeved on the high temperature furnace tube 31, and the transmission chain is respectively connected with the driving motor 331 and the sprocket 332 in a transmission manner.
Further, exhaust treatment device 1 in this embodiment is including the waste gas incinerator 11 and the dust arrester 12 of being connected with reaction unit 3 in proper order, burn the processing through waste gas incinerator 11 with the harmful gas that produces in the lithium cell negative pole silicon carbon material sintering reaction process, and produce the dust through the dust arrester 12 with the lithium cell negative pole silicon carbon material sintering reaction process and concentrate and carry out electrostatic precipitator, thereby reach national emission standard and discharge again, make lithium cell negative pole silicon carbon material production more environmental protection, reduce the pollution to the environment.
To sum up, firstly, when the invention works, the high-temperature furnace tube 31 is heated by burning fuel gas in the fuel gas heating chamber 32, and the high-temperature furnace tube 31 is driven by the driving mechanism 33 to rotate circumferentially, so that the lithium battery cathode silicon carbon material in the high-temperature furnace tube 31 is continuously turned, mixed and contacted for reaction, and in the reaction process, the inner wall of the high-temperature furnace tube 31 is vibrated by the vibrator 5, thereby preventing the lithium battery cathode silicon carbon material from being adhered to the inner wall of the high-temperature furnace tube 31, and improving the production efficiency of the lithium battery cathode silicon carbon material; secondly, as the silicon-carbon material needs to be subjected to a firing reaction under the protection of flammable and combustible gas and inert atmosphere, a gas heating chamber 32 is arranged, and gas and protective atmosphere are supplied through a gas supply unit 34, the gas and protective atmosphere pass through a high-temperature furnace tube 31 and then are combusted by the gas heating chamber 32 to heat the high-temperature furnace tube 31, and meanwhile, the subsequently entered gas and inert atmosphere provide protection for the silicon-carbon material, the invention not only provides protective atmosphere for the silicon-carbon cathode material, but also provides gas for the gas heating chamber 32 to combust and heat the high-temperature furnace tube 31, is convenient to use and is beneficial to saving energy; thirdly, the invention is beneficial to greatly reducing the energy consumption, improving the product quality and reducing the mixing probability of foreign matters in the production process, and provides a reliable device initiated in China for reducing the cost of the lithium battery anode material.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a high temperature rotary furnace for lithium cell negative pole silicon carbon material continuous production preparation, a serial communication port, including exhaust treatment device and the feed arrangement, reaction unit and the cooling device who connects gradually, reaction unit includes high temperature boiler tube, gas heating chamber, actuating mechanism and is used for supplying gas and protective atmosphere's gas supply unit, the gas heating chamber sets up in the high temperature boiler tube outside and high temperature boiler tube rear end intercommunication, be equipped with the combustor of a plurality of quantity in the gas heating chamber, the high temperature boiler tube both ends are connected with feed arrangement and cooling device respectively, actuating mechanism is connected with the high temperature boiler tube transmission and is used for driving high temperature boiler tube circumferential direction, the vibrator that is used for making high temperature boiler tube inner wall vibration is installed to the high temperature boiler tube, exhaust treatment device is connected with reaction device and is used for handling reaction waste.
2. The high-temperature rotary furnace for the continuous production and manufacture of silicon-carbon materials for negative electrodes of lithium batteries according to claim 1, wherein the feeding device comprises a storage bin and a spiral feeding machine, the storage bin is arranged at a feeding port of the spiral feeding machine, a discharging port of the spiral feeding machine is connected with a feeding port of the high-temperature furnace tube, and the storage bin is provided with a level indicator for detecting the storage amount of raw materials of the storage bin.
3. The high-temperature rotary furnace for the continuous production and manufacture of the silicon-carbon material of the negative electrode of the lithium battery as claimed in claim 1, wherein the reaction device further comprises a corrugated pipe and a discharge bin, and the feeding device and/or the discharge bin are connected with the high-temperature furnace pipe through the corrugated pipe.
4. The high-temperature rotary furnace for the continuous production and manufacture of silicon-carbon materials of negative electrodes of lithium batteries as claimed in claim 1, wherein the inner side wall of the high-temperature furnace tube is provided with guide vanes.
5. The high-temperature rotary furnace for the continuous production and manufacture of the silicon-carbon material of the negative electrode of the lithium battery as claimed in claim 1, wherein the gas heating chamber is communicated with an exhaust device for exhausting waste gas generated by combustion of gas.
6. The high-temperature rotary furnace for the continuous production and manufacture of silicon-carbon materials of negative electrodes of lithium batteries as claimed in claim 1, wherein the cooling device comprises a cooling furnace tube and a water tank, the water tank is provided with a cooling cavity, the cooling furnace tube penetrates through the cooling cavity, and the cooling cavity is provided with a plurality of pipelines for the circulation of cooling liquid.
7. The high-temperature rotary furnace for the continuous production and manufacture of silicon-carbon materials of the negative electrode of the lithium battery as claimed in claim 6, further comprising an angle adjusting device for adjusting the inclination angles of the high-temperature furnace tube and the cooling furnace tube.
8. The high-temperature rotary furnace for continuous production and manufacture of silicon-carbon materials for negative electrodes of lithium batteries as claimed in claim 7, further comprising a first stand and a second stand, wherein the feeding device and the reaction device are both mounted on the first stand, the cooling device is mounted on the second stand, and the first stand is provided with the angle adjusting mechanism for adjusting the inclination angle of the first stand.
9. The high-temperature rotary furnace for continuous production and manufacture of silicon-carbon materials of negative electrodes of lithium batteries according to claim 8, wherein the high-temperature furnace tube and the cooling furnace tube are respectively provided with a roller, and the first stand and the second stand are respectively provided with a supporting wheel, and the rollers are arranged on the supporting wheels.
10. The high-temperature rotary furnace for the continuous production and manufacture of silicon-carbon materials of the negative electrode of the lithium battery as claimed in claim 1, wherein the waste gas treatment device comprises a waste gas incinerator and a dust collector which are sequentially connected with the reaction device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911009032.7A CN110779327A (en) | 2019-10-22 | 2019-10-22 | High-temperature rotary furnace for continuous production and manufacture of lithium battery cathode silicon-carbon material |
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| CN201911009032.7A CN110779327A (en) | 2019-10-22 | 2019-10-22 | High-temperature rotary furnace for continuous production and manufacture of lithium battery cathode silicon-carbon material |
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| CN112301323A (en) * | 2020-10-29 | 2021-02-02 | 佛山高砂工业窑炉有限公司 | CVD (chemical vapor deposition) process-based processing equipment for producing silicon-oxygen cathode material |
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| CN115342646A (en) * | 2022-06-29 | 2022-11-15 | 佛山市天禄智能装备科技有限公司 | Roller kiln and waste gas treatment system thereof |
| CN116697740A (en) * | 2023-08-02 | 2023-09-05 | 佛山市天禄智能装备科技有限公司 | High-temperature rotary furnace for continuously producing silicon-carbon material |
| WO2024021291A1 (en) * | 2022-07-26 | 2024-02-01 | 广东邦普循环科技有限公司 | Lithium battery rotary kiln with heat energy recovery mechanism |
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