CN218034373U - Roller kiln production system of lithium ion battery material - Google Patents
Roller kiln production system of lithium ion battery material Download PDFInfo
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- CN218034373U CN218034373U CN202222524620.8U CN202222524620U CN218034373U CN 218034373 U CN218034373 U CN 218034373U CN 202222524620 U CN202222524620 U CN 202222524620U CN 218034373 U CN218034373 U CN 218034373U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a roller kiln production system of lithium ion battery materials, which comprises a kiln body, a roller rod, a gas heating device, an electric heating device, an air cooling device and a water cooling device; the kiln body comprises a temperature rising section, a heat preservation section, a first cooling section and a second cooling section which are sequentially connected from an inlet end to an outlet end, wherein a gas heating device is arranged at the temperature rising section, an electric heating device is arranged at the heat preservation section, an air cooling device is arranged at the first cooling section, and a water cooling device is arranged at the second cooling section; the air cooling device comprises a plurality of air cooling pipes connected with an air source, and ventilation holes are formed in the air cooling pipes; the water cooling device comprises a plurality of water cooling pipes connected with a water source, and a containing cavity for containing water is formed in the water cooling pipes. The roller kiln production system for the lithium ion battery material is beneficial to reducing the production cost of the lithium ion battery material and simultaneously ensures the product quality of the lithium ion battery material.
Description
Technical Field
The utility model relates to a lithium ion battery material production facility technical field especially relates to a roller kilns production system of lithium ion battery material.
Background
With the vigorous development of the new energy automobile industry, the accumulated loading capacity of the power battery in China in 2020 is 63.6GWH, and the accumulated loading capacity of the power battery in the same proportion is increased by 2.3%; the goods output of the power battery is 80GWH, which is increased by 13% on a par with the weight, and in recent years, the industrial scale of the lithium battery in China exceeds 1800 billion yuan, so that the lithium ion battery has great market demand.
The production equipment of lithium ion battery material is mainly roller kiln, said roller kiln is a tunnel kiln whose cross section is made into a narrow long form, and is different from kiln car tunnel kiln, it does not use kiln car for loading product to run, but uses a roller formed from parallel-arranged rollers which are transversely crossed with working channel cross section of kiln, and the lithium ion battery material is placed on the roller table, and can be fed into the kiln along with the rotation of rollers, and can be sintered in the kiln, so that it is called roller kiln.
The production process of the lithium ion battery material generally comprises a heating process, a heat preservation process and a cooling process, electricity is generally used as a heating mode in the heating process in the conventional roller kiln, but the atmosphere required by the heating process must be an independent system, so that the equipment design and the cost investment of the roller kiln are higher, and the energy consumption cost is far higher than that of a heating mode using fuel gas as the heating mode using electricity as the heating mode.
In addition, a water cooling mode is generally used as a cooling mode in the cooling process in the conventional roller kiln, but the lithium ion battery material is sensitive to moisture, so that a water leakage risk exists in the roller kiln due to the adoption of a single water cooling mode, the product quality of the lithium ion battery material is easily influenced, and the qualification rate of finished products of the lithium ion battery material is not favorably ensured.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a roller kilns production system of lithium ion battery material is favorable to reducing the manufacturing cost of lithium ion battery material, ensures the product quality of lithium ion battery material simultaneously, and simple structure is reasonable to overcome the weak point among the prior art.
To achieve the purpose, the utility model adopts the following technical proposal:
a roller kiln production system for lithium ion battery materials comprises a kiln body, a plurality of roller rods, a gas heating device, an electric heating device, an air cooling device and a water cooling device, wherein the roller rods are rotatably arranged inside the kiln body and are arranged in parallel from an inlet end of the kiln body to an outlet end of the kiln body, and are used for conveying the lithium ion battery materials;
the kiln body comprises a temperature rising section, a heat preservation section, a first cooling section and a second cooling section which are sequentially connected from the inlet end to the outlet end, the gas heating device is installed in the temperature rising section, the electric heating device is installed in the heat preservation section, the air cooling device is installed in the first cooling section, and the water cooling device is installed in the second cooling section;
the gas heating device comprises a plurality of burners, and the burners are installed above and below the roller rod in a staggered mode; the electric heating device comprises a plurality of electric heaters which are arranged above and below the roller rod in parallel; the air cooling device comprises a plurality of air cooling pipes connected with an air source, ventilation holes are formed in the air cooling pipes, and the air cooling pipes are arranged above and below the roller rod in parallel; the water cooling device comprises a plurality of water cooling pipes connected with a water source, a containing cavity used for containing water is formed in each water cooling pipe, and the plurality of water cooling pipes are arranged above and below the roller rod in parallel.
Preferably, the burner comprises a self-preheating burner, an inner pipe and a radiant tube;
the self-preheating type burner is arranged on the side wall of the heating section, and is provided with an installation opening and a flue gas outlet, the installation opening is positioned inside the kiln body, and the flue gas outlet is positioned outside the kiln body; the inner pipe is of a hollow structure, a first connecting port and an air outlet are formed in two ends of the inner pipe respectively, the inner pipe is connected with the self-preheating type burner through the first connecting port, and the mounting port is communicated with the first connecting port; the end part of the radiation tube is provided with a second connecting port, the radiation tube is connected with the self-preheating burner through the second connecting port, the radiation tube is communicated with the flue gas outlet, the radiation tube is sleeved outside the inner tube, and the inner tube is communicated with the radiation tube through the gas outlet.
Preferably, the extending direction of the radiant tube and the extending direction of the roller rod are parallel to each other, and the volume of the radiant tube is 0.05-0.06 m 3 。
Preferably, the electric heater includes a protection tube and a heating wire, and the heating wire is disposed inside the protection tube.
Preferably, the radiation surface formed by the heating wire is rectangular, and the radiation surface is parallel to the conveying plane of the roller.
Preferably, the area of the radiation surface is 2 to 5m 2 。
Preferably, the air-cooling pipe is made of silicon carbide, and the heat conductivity coefficient of the air-cooling pipe is 83-85W/m.K.
Preferably, the water cooling pipes above the roller are distributed in a multi-layer staggered manner.
Preferably, the water-cooling pipe is made of stainless steel.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
1. the gas heating device is arranged in the temperature rising section and used for realizing the temperature rising process in the production process of the lithium ion battery material, and compared with the heating mode in which electricity is used as the temperature rising process in the prior art, the production cost can be saved by utilizing gas for heating, so that the energy consumption in the production process of the lithium ion battery material is effectively reduced. In addition, the gas heating device comprises a plurality of burners which are arranged above and below the roller rod in a staggered manner, so that the uniform distribution of the temperature raising section is ensured on the premise of a limited number of gas heating devices, and the production quality of materials can be effectively ensured on the premise of stabilizing the production cost.
2. The electric heating device is arranged in the heat preservation section and used for realizing the heat preservation process in the production process of the lithium ion battery material, and the heat preservation mode of electric heating is favorable for ensuring the temperature stability of each part of the heat preservation section in the kiln body so as to meet the constant temperature requirement on the heat preservation section in the production process of the lithium ion battery material. In addition, the electric heating device comprises a plurality of electric heaters which are arranged above and below the roller rod in parallel, so that the temperature uniformity of all places of the heat preservation section in the kiln body can be ensured, and the production quality of materials can be further ensured.
3. The first cooling section is connected with the air cooling pipe by using an external air source, air is continuously introduced into the air vent of the air cooling pipe, the air in the air vent absorbs the heat of the material, and then the air is taken out of the kiln body along with the air cooling pipe, and the process is circulated; and the second cooling section is connected with the water-cooled tube by using an external water source, and continuously introduces cooling water into the accommodating cavity of the water-cooled tube, so that the cooling water in the accommodating cavity can quickly absorb and take away the residual heat of the material, and the temperature of the material is fully reduced.
Drawings
Fig. 1 is a schematic structural diagram of a roller kiln production system for lithium ion battery materials of the present invention.
Fig. 2 is a schematic structural diagram of a temperature rising section in the roller kiln production system of the lithium ion battery material.
Fig. 3 is a schematic structural diagram of a heat preservation section in a roller kiln production system for lithium ion battery materials of the present invention.
Fig. 4 is a schematic structural diagram of the first cooling section in the roller kiln production system of the lithium ion battery material of the present invention.
Fig. 5 is a schematic structural diagram of a second cooling section in the roller kiln production system of lithium ion battery material of the present invention.
Wherein: the device comprises a kiln body 1, a temperature rising section 11, a heat preservation section 12, a first cooling section 13, a second cooling section 14, a roller rod 2, a gas heating device 3, a self-preheating burner 31, a mounting opening 311, a flue gas outlet 312, an inner pipe 32, a radiant tube 33, an electric heating device 4, a protection pipe 41, a heating wire 42, an air cooling device 5, a vent hole 51, a water cooling device 6 and an accommodating cavity 61.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
The technical scheme provides a roller kiln production system for lithium ion battery materials, which comprises a kiln body 1, a plurality of roller rods 2, a fuel gas heating device 3, an electric heating device 4, an air cooling device 5 and a water cooling device 6, wherein the roller rods 2 are rotatably arranged inside the kiln body 1, the plurality of roller rods 2 are arranged in parallel from the inlet end of the kiln body 1 to the outlet end of the kiln body 1, and the roller rods 2 are used for conveying the lithium ion battery materials;
the kiln body 1 comprises a temperature rising section 11, a heat preservation section 12, a first cooling section 13 and a second cooling section 14 which are sequentially connected from the inlet end to the outlet end, the gas heating device 3 is installed on the temperature rising section 11, the electric heating device 4 is installed on the heat preservation section 12, the air cooling device 5 is installed on the first cooling section 13, and the water cooling device 6 is installed on the second cooling section 14;
the gas heating device 3 comprises a plurality of burners which are arranged above and below the roller rod 2 in a staggered manner; the electric heating device 4 comprises a plurality of electric heaters which are arranged above and below the roller rod 2 in parallel; the air cooling device 5 comprises a plurality of air cooling pipes connected with an air source, air vents 51 are formed in the air cooling pipes, and the plurality of air cooling pipes are arranged above and below the roller rod 2 in parallel; the water cooling device 6 comprises a plurality of water cooling pipes connected with a water source, a containing cavity 61 for containing water is formed in each water cooling pipe, and the plurality of water cooling pipes are arranged above and below the roller rod 2 in parallel.
The production process of the lithium ion battery material generally comprises a heating process, a heat preservation process and a cooling process, electricity is generally used as a heating mode in the heating process in the conventional roller kiln, but the atmosphere required by the heating process must be an independent system, so that the equipment design and the cost investment of the roller kiln are higher, and the energy consumption cost is far higher than that of a gas heating mode by using electricity as the heating mode. In addition, a water cooling mode is generally used as a cooling mode in the cooling process in the conventional roller kiln, but the lithium ion battery material is sensitive to moisture, so that the water leakage risk exists in the roller kiln due to the water cooling mode, the product quality of the lithium ion battery material is easily influenced, and the qualification rate of finished products of the lithium ion battery material is not favorably ensured.
Therefore, in order to solve the above technical problems, the technical solution provides a roller kiln production system for lithium ion battery materials, which is beneficial to reducing the production cost of the lithium ion battery materials and simultaneously ensuring the product quality of the lithium ion battery materials, and has a simple and reasonable structure, as shown in fig. 1-5, the roller kiln production system comprises a kiln body 1, a roller rod 2, a gas heating device 3, an electric heating device 4, an air cooling device 5 and a water cooling device 6, wherein the roller rod 2 is rotatably installed inside the kiln body 1 and is arranged in parallel from the inlet end to the outlet end of the kiln body 1, so as to form a roller rod channel for conveying the lithium ion battery materials into and out of the kiln body 1.
Specifically, the kiln body 1 of the scheme comprises a temperature rising section 11, a heat preservation section 12, a first cooling section 13 and a second cooling section 14 which are sequentially connected from an inlet end to an outlet end.
The gas heating device 3 is installed in the temperature rising section 11 and is used for realizing the temperature rising process in the production process of the lithium ion battery material, and compared with a heating mode in which electricity is used as the temperature rising process in the prior art, the production cost can be saved more by utilizing gas for heating, so that the energy consumption in the production process of the lithium ion battery material is effectively reduced. In addition, this scheme gas heating device 3 includes a plurality of combustors, and a plurality of combustors are crisscross to be installed in the top and the below of roller 2, is favorable to under limited gas heating device 3's prerequisite, ensures the evenly distributed of 11 temperatures of section that heats, can be effectively under stable manufacturing cost's prerequisite, guarantees the production quality of material.
Further, the electric heating device 4 is installed in the heat preservation section 12 and used for realizing the heat preservation process in the production process of the lithium ion battery material, and the heat preservation mode of electric heating is favorable for ensuring the temperature stability of each part of the heat preservation section 12 in the kiln body 1 so as to meet the constant temperature requirement on the heat preservation section 12 in the production process of the lithium ion battery material. In addition, the electric heating device 4 comprises a plurality of electric heaters which are arranged above and below the roller rod 2 in parallel, so that the temperature uniformity of all places of the heat preservation section 12 in the kiln body 1 can be ensured, and the production quality of materials can be further ensured.
Furthermore, in order to avoid the direct discharge of the heated lithium ion battery material from the furnace to cause material oxidation and affect the product performance, a cooling zone for reducing the temperature of the material is generally required to be arranged in the roller kiln, so that the material is discharged after the temperature of the material is reduced to the required temperature. In the prior art, the lithium ion battery material is generally cooled only by using a water cooling mode, but the lithium ion battery material is sensitive to moisture, so that the water leakage risk exists in the roller kiln by using the water cooling mode, the product quality of the lithium ion battery material is easily influenced, and the qualification rate of finished products of the lithium ion battery material is not favorably ensured. Therefore, in order to realize the effective cooling of the lithium ion battery material and ensure the product quality of the lithium ion battery material, the scheme is provided with a first cooling section 13 using an air cooling mode and a second cooling section 14 using a water cooling mode in a cooling area.
Specifically, at the front end of the cooling zone (i.e. the first cooling section 13), the lithium ion battery material is heated just after the heating is finished, the material also has a higher temperature, in order to avoid the influence of moisture on the material quality, an external air source is connected with the air cooling pipe, air is continuously introduced into the air vent 51 of the air cooling pipe, and the air in the air vent 51 is taken away from the interior of the kiln body 1 along with the air cooling pipe after absorbing the heat of the material, so that the circulation is performed; at the rear end (namely the second cooling section 14) of the cooling area, the temperature of the lithium ion battery material is obviously reduced under the indirect cooling effect of the air cooling pipe, at the moment, the risk of water cooling is low, so that in order to improve the cooling efficiency of the material, an external water source is connected with the water cooling pipe, cooling water is continuously introduced into the accommodating cavity 61 of the water cooling pipe, the cooling water in the accommodating cavity 61 is enabled to quickly absorb and take away the residual heat of the material, and the temperature of the material is fully reduced.
Further, the burner includes a self-preheating burner 31, an inner tube 32, and a radiant tube 33;
the self-preheating burner 31 is installed on the side wall of the heating section 11, the self-preheating burner 31 is provided with an installation opening 311 and a flue gas outlet 312, the installation opening 311 is located inside the kiln body 1, and the flue gas outlet 312 is located outside the kiln body 1; the inner pipe 32 is of a hollow structure, a first connecting port and an air outlet are respectively formed in two ends of the inner pipe 32, the inner pipe 32 is connected with the self-preheating burner 31 through the first connecting port, and the mounting port 311 is communicated with the first connecting port; a second connector is formed in the end of the radiation pipe 33, the radiation pipe 33 is connected with the self-preheating burner 31 through the second connector, the radiation pipe 33 is communicated with the flue gas outlet 312, the radiation pipe 33 is sleeved outside the inner pipe 32, and the inner pipe 32 is communicated with the radiation pipe 33 through the gas outlet.
In a preferred embodiment of the present technical solution, the burner includes a self-preheating burner 31, an inner tube 32 and a radiation tube 33, and the inner tube 32 and the radiation tube 33 respectively form a sleeve-type connection with the self-preheating burner 31, and the self-preheating burner 31 is provided with an installation opening 311 and a flue gas exhaust opening 312, so that a combustion flame generated by the self-preheating burner 31 is ejected along an inner core of the inner tube 32 with a hollow structure in the radiation tube 33, and is sucked into the flue gas exhaust opening 312 along a gap between the inner tube 32 and the radiation tube 33, so that the radiation tube 33 is heated, the temperature of the temperature rise section 11 is raised, and the combustion heat is brought into the kiln body 1 through heat dissipation of the radiation tube 33, so that the flue gas generated by the flame can automatically circulate combustion-supporting air to achieve energy saving, and simultaneously, the flue gas is prevented from entering the kiln body 1 to affect the oxygen content in the kiln, and the material is prevented from being oxidized.
It should be noted that the self-preheating burner 31 used in the present embodiment is a commercially available product, a ceramic heat exchanger and a matching ejector are built in the burner, the highest heat exchange efficiency and the best resistance can be obtained, direct electrode ignition is adopted, a flame detection mode is provided, various harsh atmosphere requirements in the furnace can be met, the structure is simple, and the performance is reliable.
Further, the extending direction of the radiation pipe 33 is parallel to the extending direction of the roller bar 2, and the volume of the radiation pipe 33 is 0.05-0.06 m 3 。
In a more preferred embodiment of the present technical solution, the extending direction of the radiant tube 33 is parallel to the extending direction of the roller bar 2, which is beneficial to uniformly heating the material in the temperature rising section 11, and the volume of the radiant tube 33 is preferably 0.05-0.06 m 3 And the heating efficiency in the temperature rise process can be effectively improved.
Preferably, the volume of the radiant tube 33 is 0.056m 3 。
Further, the electric heater includes a protection tube 41 and a heating wire 42, and the heating wire 42 is disposed inside the protection tube 41.
Furthermore, the electric heater of this scheme adopts heater 42 to keep warm, and heater 42 sets up in the inside of protection tube 41, plays the guard action to heater 42.
Further, the radiation surface formed by the heating wire 42 is rectangular, and the radiation surface is parallel to the conveying plane of the roller bar 2.
Furthermore, the radiation surface formed by the heating wire 42 in the scheme is rectangular, and the radiation surface is parallel to the conveying plane of the roller rod 2, so that the products in the heat preservation section 12 can be further effectively preserved, and the consistency of the product quality is ensured.
Further, the area of the radiation surface is 2 to 5m 2 。
In a more preferred embodiment of the present invention, the area of the radiation surface is preferably 2 to 5m 2 The design difficulty and the equipment cost of the production system can be reduced on the premise of ensuring the uniform distribution of the temperature in the heat preservation section 12.
Preferably, the area of the radiating surface is 3.7m 2 。
Further, the material of the air-cooling pipe is silicon carbide, and the heat conductivity coefficient of the air-cooling pipe is 83-85W/m.K.
Because the air-cooled pipe in the scheme adopts an air-cooled mode for indirect cooling, in order to improve the cooling efficiency of the first cooling section 13, the scheme adopts the silicon carbide with the heat conductivity coefficient of 83-85W/m.K as the material of the air-cooled pipe, so that the cooling efficiency of the front end of the cooling area can be ensured on the premise of effectively avoiding the risk of water cooling.
Preferably, the air-cooling pipe has a thermal conductivity of 83.6W/m.K.
More specifically, the water cooling pipes above the roller rods 2 are distributed in a multi-layer staggered manner.
In a preferred embodiment of this technical scheme, because thermal density is lower, generally disperse toward the eminence, consequently, this scheme is provided with multi-level staggered distribution's water-cooling pipe above roller 2 to can promote the cooling efficiency of cooling zone rear end effectively.
Furthermore, the water-cooling pipe is made of stainless steel.
In a preferred embodiment of the present technical solution, a medium for heat conduction by using a stainless steel water-cooling pipe is beneficial to better transfer the heat of the product in the rear end of the cooling zone to the water source in the water-cooling pipe, thereby being more beneficial to the cooling of the product in the second cooling section 14.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the directional terms such as "front, back, upper, lower, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, and in the case of not making a contrary explanation, these directional terms do not indicate and imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore, should not be construed as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
For ease of description, spatially relative terms such as "over 8230," "upper surface," "above," and the like may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms do not have special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
The technical principle of the present invention has been described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive step, and these embodiments are all intended to fall within the scope of the present invention.
Claims (9)
1. The utility model provides a roller kilns production system of lithium ion battery material which characterized in that: the device comprises a kiln body, a plurality of roller rods, a fuel gas heating device, an electric heating device, an air cooling device and a water cooling device, wherein the roller rods are rotatably arranged inside the kiln body and are arranged in parallel from the inlet end of the kiln body to the outlet end of the kiln body, and the roller rods are used for conveying lithium ion battery materials;
the kiln body comprises a temperature rising section, a heat preservation section, a first cooling section and a second cooling section which are sequentially connected from the inlet end to the outlet end, the gas heating device is installed on the temperature rising section, the electric heating device is installed on the heat preservation section, the air cooling device is installed on the first cooling section, and the water cooling device is installed on the second cooling section;
the gas heating device comprises a plurality of burners, and the burners are installed above and below the roller rod in a staggered mode; the electric heating device comprises a plurality of electric heaters which are arranged above and below the roller rod in parallel; the air cooling device comprises a plurality of air cooling pipes connected with an air source, ventilation holes are formed in the air cooling pipes, and the air cooling pipes are arranged above and below the roller rod in parallel; the water cooling device comprises a plurality of water cooling pipes connected with a water source, a containing cavity used for containing water is formed in each water cooling pipe, and the plurality of water cooling pipes are arranged above and below the roller rod in parallel.
2. The roller kiln production system of lithium ion battery material as claimed in claim 1, wherein: the burner comprises a self-preheating burner, an inner pipe and a radiant tube;
the self-preheating type burner is arranged on the side wall of the heating section, and is provided with an installation opening and a flue gas outlet, the installation opening is positioned inside the kiln body, and the flue gas outlet is positioned outside the kiln body; the inner pipe is of a hollow structure, a first connecting port and an air outlet are formed in two ends of the inner pipe respectively, the inner pipe is connected with the self-preheating type burner through the first connecting port, and the mounting port is communicated with the first connecting port; the end part of the radiation pipe is provided with a second connector, the radiation pipe is connected with the self-preheating burner through the second connector, the radiation pipe is communicated with the flue gas outlet, the radiation pipe is sleeved outside the inner pipe, and the inner pipe is communicated with the radiation pipe through the gas outlet.
3. The roller kiln production system of lithium ion battery material of claim 2, characterized in that: the extending direction of the radiant tube is parallel to the extending direction of the roller rod, and the volume of the radiant tube is 0.05-0.06 m 3 。
4. The roller kiln production system of lithium ion battery material as claimed in claim 1, wherein: the electric heater includes protection tube and heater, the heater set up in the inside of protection tube.
5. The roller kiln production system of lithium ion battery material as claimed in claim 4, wherein: the radiation surface that the heater formed is the rectangle, just the radiation surface with the transport plane of roller stick is parallel to each other.
6. The roller kiln production system of lithium ion battery material as claimed in claim 5, wherein: the area of the radiation surface is 2-5 m 2 。
7. The roller kiln production system of lithium ion battery material as claimed in claim 1, wherein: the air-cooled pipe is made of silicon carbide, and the heat conductivity coefficient of the air-cooled pipe is 83-85W/m.K.
8. The roller kiln production system of lithium ion battery material as claimed in claim 1, wherein: the water cooling pipes above the roller are distributed in a multi-layer staggered manner.
9. The roller kiln production system of lithium ion battery material as claimed in claim 1, wherein: the water-cooling pipe is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222524620.8U CN218034373U (en) | 2022-09-23 | 2022-09-23 | Roller kiln production system of lithium ion battery material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222524620.8U CN218034373U (en) | 2022-09-23 | 2022-09-23 | Roller kiln production system of lithium ion battery material |
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| Publication Number | Publication Date |
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| CN218034373U true CN218034373U (en) | 2022-12-13 |
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| CN202222524620.8U Active CN218034373U (en) | 2022-09-23 | 2022-09-23 | Roller kiln production system of lithium ion battery material |
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