CN113124678A - Gas furnace for lithium battery anode material and production method - Google Patents
Gas furnace for lithium battery anode material and production method Download PDFInfo
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- CN113124678A CN113124678A CN202110293720.1A CN202110293720A CN113124678A CN 113124678 A CN113124678 A CN 113124678A CN 202110293720 A CN202110293720 A CN 202110293720A CN 113124678 A CN113124678 A CN 113124678A
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/36—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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
- F27B9/26—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace on or in trucks, sleds, or containers
- F27B9/262—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace on or in trucks, sleds, or containers on or in trucks
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/32—Casings
- F27B9/34—Arrangements of linings
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/40—Arrangements of controlling or monitoring devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B2009/305—Particular conformation of the furnace
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention relates to the field of processing of lithium battery anode materials, in particular to a gas furnace for lithium battery anode materials and a production method thereof. The invention has the advantages that the comprehensive energy efficiency of the equipment is higher than that of the traditional electric heating equipment, the temperature rise and fall time of the equipment is short, the speed is high, the production start and stop are flexible, the cleaning of the inside of the equipment is convenient, and the problem of the energy efficiency reduction of the equipment is avoided.
Description
Technical Field
The invention relates to the field of processing of lithium battery anode materials, in particular to a gas furnace for a lithium battery anode material and a production method thereof.
Background
Lithium ion batteries are widely used in the fields of communication, electric tools, electric bicycles, electric automobile power batteries and the like. The anode material is a key material of the lithium ion battery, the cost of the anode material accounts for about 20-50% of the cost of the lithium ion battery, and the performance of the anode material also greatly determines the comprehensive performance of the lithium ion battery.
The existing production process of the anode material of the lithium ion battery is mostly produced by a high-temperature solid phase method; the adopted production equipment is mainly a roller bed furnace and a push plate furnace which are heated. However, electric power in China is mainly thermal power generation, devices requiring a large amount of heat energy are electrically heated, and the comprehensive energy efficiency is low. The gas heating furnace is applied to a roller furnace and a push plate furnace, and has the fundamental problem that the gas heating furnace cannot heat from the upper part and the lower part. So that gas heating cannot be used.
Chinese patent No. CN109786689A provides a lithium battery positive electrode material precursor with a film core structure, and a preparation, processing and doping type lithium battery positive electrode material, wherein one or more layers of metal or metal compound films for doping are coated on the surface of a lithium battery positive electrode material precursor body by an atomic layer deposition method to form the lithium battery positive electrode material precursor with the film core structure. The precursor of the lithium battery anode material with the membrane core structure can be calcined to form a doped precursor, and then lithium is mixed and sintered to form the doped anode material. Or, the precursor of the lithium battery anode material with the membrane core structure is directly mixed with a lithium source and then sintered to form the doped anode material. Compared with the existing anode material doping method, the doping method has the advantages that the formed doped components and content are controlled more accurately, the doping is more uniform, and the shapes and the structures of the precursor and the anode material are not influenced.
In the prior art, when a tunnel furnace mode of left-right heating is adopted, the material sintering requirement is difficult to meet due to the fact that the gas temperature is difficult to control, the temperature control precision is poor, and the fluctuation range is 20-30 ℃. Meanwhile, after the gas is adopted for combustion for a long time, combustion products generated in the furnace wall are difficult to clean, so that the thermal conductivity is reduced and the energy efficiency of equipment is reduced after the gas is adopted for combustion for a long time. Therefore, the gas furnace and the production method for the lithium battery anode material are urgently needed to be developed.
Disclosure of Invention
The invention aims to provide a gas furnace for a lithium battery anode material and a production method thereof, and aims to solve the problems that after the gas furnace is used for combustion for a long time in the background art, combustion products generated inside a furnace wall are difficult to clean, the thermal conductivity is reduced after the combustion products are used for a long time, and the equipment energy efficiency is reduced.
The technical scheme of the invention is as follows: a gas furnace for lithium battery anode materials comprises a shell and a rotating mechanism, wherein fixed plates are installed on two sides of the shell through bolts, a gas igniter is installed on the top of each fixed plate through bolts, a blowing pipe is welded at the output end of the gas igniter, controllers are installed on two sides of the shell through bolts, the output end of each controller is electrically connected with the gas igniter through a conductor wire, temperature measuring thermocouples are inserted into two sides of the shell, a side plate mechanism is arranged on one side of the shell, the bottom of the side plate mechanism is rotatably connected with a side wall supporting shaft, a refractory material layer is arranged inside the shell, a combustion chamber is arranged inside the refractory material layer, a high-temperature stainless steel shell is arranged inside the combustion chamber, a bearing trolley is arranged inside the shell, and a placing rack is installed on the top of the bearing trolley through bolts, a plurality of saggars are placed at the top of the placing rack, the rotating mechanism comprises an outer side fixing shaft, a first connecting seat is rotatably connected to the inner portion of the outer side fixing shaft, and a pressure telescopic pull rod is installed on one side of the first connecting seat through bolts.
Furthermore, the bottom of bearing the weight of the platform truck is installed the supporting leg through the bolt, the bottom welding of supporting leg has the sliding seat.
Further, the inside of shell is provided with the guide rail, the bottom sliding connection of sliding seat is at the top of guide rail.
Further, the top of shell is provided with the flue, the bottom of flue and the inside intercommunication of combustion chamber.
Furthermore, sliding plates are arranged on two sides of the bearing trolley, sliding grooves are formed in two sides of the inside of the high-temperature stainless steel shell, and the sliding plates slide in the sliding grooves.
Furthermore, the front of the shell is rotatably connected with a furnace door through a hinge, and one side of the furnace door is provided with a handle through a bolt.
Furthermore, an expansion plate is installed on one side of the side plate mechanism through a bolt, and a rotating seat is welded on one side of the expansion plate.
Furthermore, the output end of the pressure telescopic pull rod is provided with a second connecting seat through a bolt, and the second connecting seat is rotatably connected inside the rotating seat.
A production method for a lithium battery positive electrode material comprises a production step and a combustion chamber cleaning step, wherein the production step comprises the following steps:
s1, placing: placing the material to be fired in a sagger;
s2, pushing: a bearing trolley type bearing mode is adopted, and the materials are burnt in a pushing mode through a guide rail;
s3, igniting: the kiln cavity is divided into an inner chamber and an outer chamber by a high-temperature stainless steel shell, and the inside of the combustion chamber is ignited by a gas igniter;
s4, temperature measurement: a temperature thermocouple extends into the inner chamber and is used for measuring the temperature of the combustion chamber;
s5, regulating and controlling: the signal measured by the temperature thermocouple is transmitted to the controller, and the controller controls the gas igniter to adjust the flame-throwing size, so as to adjust the temperature.
Further, the combustion chamber cleaning step comprises the steps of:
y1. start: starting a pressure telescopic pull rod, wherein the pressure telescopic pull rod drives a side plate mechanism to rotate by taking a side wall support shaft as a fulcrum, and the side plate mechanism is opened;
y2. cleaning: workers enter the high-temperature stainless steel shell to clean the inner wall;
y3. are closed: after the cleaning is finished, the pressure telescopic pull rod is started to restore the side plate mechanism to the original position, and the production is restored.
The invention provides a gas furnace for lithium battery anode material and a production method thereof by improvement, compared with the prior art, the gas furnace has the following improvement and advantages:
(1) the method for producing the anode material by using combustible gas and liquid as combustion sources comprises the steps of heating by using combustible gas and liquid such as natural gas as the combustion sources to produce the lithium manganate material, dividing the furnace chamber into an inner chamber and an outer chamber by using high-temperature stainless steel, wherein the comprehensive energy efficiency of the equipment is higher than that of the traditional electric heating equipment, the temperature rise and fall time of the equipment is short, the speed is high, and the production start and stop are flexible.
(2) The side wall that the sectional type was opened has been set up, makes long-time work back, is convenient for clear up equipment inside, has avoided the problem that the equipment efficiency descends, and equipment structure is simple, is convenient for clear up, maintain, maintains.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic view of the internal perspective of the present invention;
FIG. 3 is a schematic view of the internal plan structure of the present invention;
FIG. 4 is a schematic structural view of a side plate mechanism of the present invention;
FIG. 5 is a flow chart of the production of the positive electrode material for lithium batteries according to the present invention;
FIG. 6 is a cleaning flow diagram of the present invention.
Description of reference numerals:
the device comprises a shell 1, a furnace door 2, a handle 3, a fixing plate 4, a gas igniter 5, a controller 6, a temperature thermocouple 7, a flue 8, a side wall supporting shaft 9, a rotating mechanism 10, a refractory material layer 11, a combustion chamber 12, a high-temperature stainless steel shell 13, a guide rail 14, a bearing trolley 15, supporting legs 16, a sliding seat 17, a sliding groove 18, a sliding plate 19, a placing frame 20, a sagger 21, an outer side fixing shaft 22, a first connecting seat 23, a pressure telescopic pull rod 24, an expansion plate 25, a rotating seat 26, a second connecting seat 27, a blowpipe 28 and a side plate mechanism 29.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 6, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a gas furnace for lithium battery anode materials through improvement, as shown in figures 1-6, the gas furnace comprises a shell 1 and a rotating mechanism 10, the shell 1 plays a role of external support and protection, fixing plates 4 are respectively arranged on two sides of the shell 1 through bolts, a gas igniter 5 is arranged on the top of the fixing plate 4 through bolts, the gas igniter 5 is used as a tool for heating the lithium battery anode materials, a blowpipe 28 is welded on the output end of the gas igniter 5, controllers 6 are respectively arranged on two sides of the shell 1 through bolts, signals detected by temperature thermocouples 7 are conducted to the controllers 6, the controllers 6 control the gas igniter 5 to adjust the size of flame, so as to adjust the temperature, the output end of the controller 6 is electrically connected with the gas igniter 5 through a conducting wire, the temperature thermocouples 7 are respectively inserted on two sides of the shell 1, and the temperature thermocouples 7 extend into an inner chamber, a temperature for measuring the inner room, one side of shell 1 is provided with curb plate mechanism 29, side wall back shaft 9 is connected in the rotation of the bottom of curb plate mechanism 29, the inside of shell 1 is provided with refractory material layer 11, refractory material layer 11 has the heat preservation effect, the inside of refractory material layer 11 is provided with combustion chamber 12, the inside of combustion chamber 12 is provided with high temperature stainless steel shell 13, the inside of shell 1 is provided with bearing trolley 15, bearing trolley 15's top is installed through the bolt rack 20, a plurality of saggars 21 have been placed at the top of rack 20, slewing mechanism 10 is including outside fixed axle 22, the internal rotation of outside fixed axle 22 is connected with connecting seat 23, the flexible pull rod 24 of pressure is installed through the bolt to one side of connecting seat 23, start the flexible pull rod 24 of pressure during the clearance and drive curb plate mechanism 29 and rotate, make curb plate mechanism 29 open, can conveniently clear up.
Further, a supporting leg 16 is mounted at the bottom of the bearing trolley 15 through a bolt, the supporting leg 16 is used for supporting the bearing trolley 15, and a sliding seat 17 is welded at the bottom of the supporting leg 16.
Further, the inside of the housing 1 is provided with a guide rail 14, and the bottom of the slide base 17 is slidably connected to the top of the guide rail 14, so that the carriage 15 can be pushed into the combustion chamber through the guide rail 16.
Further, a flue 8 is arranged at the top of the housing 1, the bottom end of the flue 8 is communicated with the inside of the combustion chamber 12, and the flue 8 is used for discharging flue gas generated by fuel.
Further, sliding plates 19 are arranged on two sides of the bearing trolley 15, sliding grooves 18 are arranged on two sides of the inside of the high-temperature stainless steel shell 13, the sliding plates 19 slide in the sliding grooves 18, and the sliding grooves 18 can guide the bearing trolley 15.
Further, the front surface of the shell 1 is rotatably connected with a furnace door 2 through a hinge, a handle 3 is mounted on one side of the furnace door 2 through a bolt, and the handle 3 is convenient for opening the furnace door 2.
Further, an expansion plate 25 is mounted on one side of the side plate mechanism 29 by bolts, the expansion plate 25 can increase the contact area between the rotating base 26 and the side plate mechanism 29, and the rotating base 26 is welded to one side of the expansion plate 25.
Further, the output end of the pressure telescopic pull rod 24 is provided with a second connecting seat 27 through a bolt, and the second connecting seat 27 is rotatably connected inside the rotating seat 26.
A production method for a lithium battery positive electrode material comprises a production step and a combustion chamber cleaning step, wherein the production step comprises the following steps:
s1, placing: the material to be fired is placed in a sagger 21;
s2, pushing: a 15-type bearing mode of a bearing trolley is adopted, and the materials are burnt in a pushing mode through a guide rail 14;
s3, igniting: the kiln cavity is divided into an inner chamber and an outer chamber by a high-temperature stainless steel shell 13, and the inside of the combustion chamber 12 is ignited by a gas igniter 5;
s4, temperature measurement: a temperature thermocouple 7 extends into the inner chamber and is used for measuring the temperature of the combustion chamber 12;
s5, regulating and controlling: the signal measured by the temperature thermocouple 7 is transmitted to the controller 6, and the controller 6 controls the gas igniter 5 to adjust the size of the flame, thereby adjusting the temperature.
Further, the combustion chamber cleaning step comprises the steps of:
y1. start: starting the pressure telescopic pull rod 24, wherein the pressure telescopic pull rod 24 drives the side plate mechanism 29 to rotate by taking the side wall support shaft 9 as a fulcrum, and the side plate mechanism 29 is opened;
y2. cleaning: the worker enters the high-temperature stainless steel shell 13 to clean the inner wall;
y3. are closed: after the cleaning is finished, the pressure telescopic pull rod 24 is started to restore the side plate mechanism 29 to the original position, and the production is resumed.
The working principle is as follows: the material to be burnt is placed in a sagger 21, the material is burnt in a pushing way by a guide rail 14 in a bearing trolley 15 type bearing way, a kiln cavity is divided into an inner chamber and an outer chamber by a high-temperature stainless steel shell 13, the inside of the combustion chamber 12 is ignited by the gas igniter 5, the temperature thermocouple 7 extends into the inner chamber, used for measuring the temperature of the combustion chamber 12, the signal measured by the temperature thermocouple 7 is transmitted to the controller 6, the controller 6 controls the gas igniter 5 to adjust the size of the flame, and then the temperature is adjusted, when the interior of the stainless steel shell is required to be cleaned, the pressure telescopic pull rod 24 is started, the pressure telescopic pull rod 24 drives the side plate mechanism 29 to rotate by taking the side wall support shaft 9 as a fulcrum, the side plate mechanism 29 is opened, a worker enters the interior of the high-temperature stainless steel shell 13 to clean the inner wall, after the cleaning is finished, and starting the pressure telescopic pull rod 24 to restore the side plate mechanism 29 to the original position, and restoring the production.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A gas furnace for lithium battery anode material is characterized in that: the gas burner comprises a shell (1) and a rotating mechanism (10), wherein fixed plates (4) are installed on two sides of the shell (1) through bolts, a gas igniter (5) is installed at the top of each fixed plate (4) through bolts, a blowing pipe (28) is welded at the output end of each gas igniter (5), controllers (6) are installed on two sides of the shell (1) through bolts, the output end of each controller (6) is electrically connected with the gas igniter (5) through a conducting wire, temperature measuring thermocouples (7) are inserted into two sides of the shell (1), a side plate mechanism (29) is arranged on one side of the shell (1), a supporting shaft (9) is rotatably connected with the bottom of the side plate mechanism (29), a refractory material layer (11) is arranged inside the shell (1), and a combustion chamber (12) is arranged inside the refractory material layer (11), the inside of combustion chamber (12) is provided with high temperature stainless steel shell (13), the inside of shell (1) is provided with bears platform truck (15), rack (20) are installed through the bolt in the top that bears platform truck (15), a plurality of saggars (21) have been placed at the top of rack (20), slewing mechanism (10) are including outside fixed axle (22), the internal rotation of outside fixed axle (22) is connected with connecting seat (23), the flexible pull rod of pressure (24) are installed through the bolt to one side of connecting seat (23).
2. A gas burner for a positive electrode material of a lithium battery as claimed in claim 1, wherein: supporting legs (16) are installed at the bottom of the bearing trolley (15) through bolts, and sliding seats (17) are welded at the bottoms of the supporting legs (16).
3. A gas burner for a positive electrode material of a lithium battery as claimed in claim 2, wherein: the inner part of the shell (1) is provided with a guide rail (14), and the bottom of the sliding seat (17) is connected to the top of the guide rail (14) in a sliding manner.
4. A gas burner for a positive electrode material of a lithium battery as claimed in claim 1, wherein: the top of shell (1) is provided with flue (8), the bottom of flue (8) and the inside intercommunication of combustion chamber (12).
5. A gas burner for a positive electrode material of a lithium battery as claimed in claim 1, wherein: sliding plates (19) are arranged on two sides of the bearing trolley (15), sliding grooves (18) are formed in two sides of the interior of the high-temperature stainless steel shell (13), and the sliding plates (19) slide in the sliding grooves (18).
6. A gas burner for a positive electrode material of a lithium battery as claimed in claim 1, wherein: the front of shell (1) is connected with furnace door (2) through the hinge rotation, handle (3) are installed through the bolt to one side of furnace door (2).
7. A gas burner for a positive electrode material of a lithium battery as claimed in claim 1, wherein: an expansion plate (25) is installed on one side of the side plate mechanism (29) through bolts, and a rotating seat (26) is welded on one side of the expansion plate (25).
8. A gas burner for a positive electrode material of a lithium battery as claimed in claim 1, wherein: the output end of the pressure telescopic pull rod (24) is provided with a second connecting seat (27) through a bolt, and the second connecting seat (27) is rotatably connected inside the rotating seat (26).
9. A method for producing a positive electrode material for a lithium battery is characterized by comprising the following steps: the method comprises a production step and a combustion chamber cleaning step, wherein the production step comprises the following steps:
s1, placing: placing the material to be fired in a sagger (21);
s2, pushing: a bearing trolley (15) type bearing mode is adopted, and the materials are burnt in a pushing mode through a guide rail (14);
s3, igniting: the kiln cavity is divided into an inner chamber and an outer chamber by a high-temperature stainless steel shell (13), and the inside of the combustion chamber (12) is ignited by a gas igniter (5);
s4, temperature measurement: a temperature thermocouple (7) extends into the inner chamber and is used for measuring the temperature of the combustion chamber (12);
s5, regulating and controlling: the signal measured by the temperature thermocouple (7) is transmitted to the controller (6), and the controller (6) controls the gas igniter (5) to adjust the flame-throwing size, so as to adjust the temperature.
10. A method for producing a positive electrode material for a lithium battery as claimed in claim 9, wherein: the combustion chamber cleaning step comprises the steps of:
y1. start: starting the pressure telescopic pull rod (24), wherein the pressure telescopic pull rod (24) drives the side plate mechanism (29) to rotate by taking the side wall support shaft (9) as a fulcrum, and the side plate mechanism (29) is opened;
y2. cleaning: workers enter the high-temperature stainless steel shell (13) to clean the inner wall;
y3. are closed: after the cleaning is finished, the pressure telescopic pull rod (24) is started to restore the side plate mechanism (29) to the original position, and the production is restored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110293720.1A CN113124678A (en) | 2021-03-19 | 2021-03-19 | Gas furnace for lithium battery anode material and production method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110293720.1A CN113124678A (en) | 2021-03-19 | 2021-03-19 | Gas furnace for lithium battery anode material and production method |
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| CN113124678A true CN113124678A (en) | 2021-07-16 |
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| CN210486538U (en) * | 2019-09-20 | 2020-05-08 | 宜都楚新工业搪瓷有限公司 | Electric stove for enamel |
| CN212644575U (en) * | 2020-07-31 | 2021-03-02 | 黑龙江宏茂伟科技发展有限公司 | Energy-saving biomass boiler |
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2021
- 2021-03-19 CN CN202110293720.1A patent/CN113124678A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170038145A1 (en) * | 2015-08-07 | 2017-02-09 | Rassini Frenos, S.A. De C.V. | High temperature alloy particle dosing device |
| CN205619759U (en) * | 2016-05-19 | 2016-10-05 | 颜文英 | Positive anode material of lithium ion battery is adjustable gas kiln of atmosphere for sintering |
| CN207797738U (en) * | 2018-01-31 | 2018-08-31 | 宝鸡文理学院 | A kind of richness manganese anode material for lithium-ion batteries sintering equipment |
| CN210486538U (en) * | 2019-09-20 | 2020-05-08 | 宜都楚新工业搪瓷有限公司 | Electric stove for enamel |
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Application publication date: 20210716 |