CN219210539U - Energy-saving device for oven of battery diaphragm coating machine and coating machine - Google Patents
Energy-saving device for oven of battery diaphragm coating machine and coating machine Download PDFInfo
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- CN219210539U CN219210539U CN202223514161.1U CN202223514161U CN219210539U CN 219210539 U CN219210539 U CN 219210539U CN 202223514161 U CN202223514161 U CN 202223514161U CN 219210539 U CN219210539 U CN 219210539U
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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
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model aims to disclose an energy-saving device of an oven of a battery diaphragm coating machine and the coating machine, comprising a diaphragm chamber, a first hot air component and a second hot air component, wherein the first hot air component and the second hot air component are arranged up and down along the height direction; the first hot air assembly is used for introducing hot air to the upper part of the diaphragm chamber through a first hot air channel, and a first return air channel is arranged above the diaphragm chamber; the second hot air assembly is used for introducing hot air to the lower part of the diaphragm chamber through a second hot air channel, and a second return air channel is arranged below the diaphragm chamber; the first return air duct and the second return air duct are provided with a communication duct therebetween, and the technical effects are as follows: the first hot air component and the second hot air component are arranged up and down in the height direction, hot air is supplied to the upper part of the diaphragm chamber through the first hot air component, and hot air is supplied to the lower part of the diaphragm chamber through the second hot air component, so that the drying degree of the battery diaphragm can be adaptively adjusted.
Description
Technical Field
The utility model relates to the technical field of battery diaphragm manufacturing, in particular to an energy-saving device of a battery diaphragm coating machine oven and a coating machine.
Background
In the process of coating the battery diaphragm, an oven is needed to be used as a drying part, the power of the oven is high, and the energy saving meaning of the oven is great. The drying principle of the oven is as follows: the battery diaphragm is coated with liquid solution, and a drying heat medium is conveyed into the oven, so that the flux in the liquid solution is quickly evaporated and discharged by the heat medium, and a solid solute is obtained on the surface of the battery diaphragm. Energy saving system of battery separator coater oven referring to fig. 1, it has a drying system composed of a plurality of oven units, each oven unit including fresh cold medium inlet, heating system, heat medium inlet oven pipe, heat medium recovery pipe, and heat medium discharge pipe. The principle of heat medium circulation is: the dry cold medium enters from a fresh cold medium inlet, is heated by a heating system, is conveyed to an oven by a centrifugal fan through a pipeline, and is partially discharged through a discharge pipeline, and is partially merged into the fresh cold medium through a recovery pipeline. The existing energy-saving system has the following defects: (1) The volume in the oven is larger, and the temperature in the oven and the solvent evaporation speed are inconsistent by a single heat medium conveying pipeline; (2) The flow rate of the solvent-containing heat medium discharged by the discharge pipe cannot be controlled, resulting in partial heat loss; (3) Along with the gradual drying of the battery diaphragm, the solvent content in each oven unit is reduced, but the power of the centrifugal fan cannot be adjusted correspondingly and automatically, so that energy waste is caused.
In view of the foregoing, there is a need for an energy-saving device for an oven of a battery separator coater and a coater, which overcome the above-mentioned drawbacks and improve energy-saving performance.
Disclosure of Invention
In order to solve the technical problems, the utility model aims to disclose an oven energy-saving device of a battery diaphragm coating machine and a coating machine, wherein a first hot air component and a second hot air component are arranged up and down in the height direction, and a communication air channel is arranged between a first return air channel and a second return air channel, so that the first hot air component and the second hot air component are linked, the heat energy utilization efficiency is improved, and the energy saving is realized.
The first utility model aims to develop an oven energy-saving device of a battery diaphragm coating machine.
A second object of the present utility model is to develop a battery separator coater.
In order to achieve the first object, the utility model provides an energy-saving device of an oven of a battery diaphragm coating machine, which comprises a diaphragm chamber, a first hot air component and a second hot air component, wherein the first hot air component and the second hot air component are arranged up and down along the height direction;
the first hot air assembly is used for introducing hot air to the upper part of the diaphragm chamber through a first hot air channel, and a first return air channel is arranged above the diaphragm chamber;
the second hot air assembly is used for introducing hot air to the lower part of the diaphragm chamber through a second hot air channel, and a second return air channel is arranged below the diaphragm chamber;
and a communication air duct is arranged between the first return air duct and the second return air duct.
Preferably, the first hot air assembly comprises a first fresh air inlet, a first centrifugal fan and a first heating system;
the second hot air assembly comprises a second fresh air inlet, a second centrifugal fan and a second heating system.
Preferably, a first filter is arranged between the first hot air component and the first hot air duct, and a first barometer is arranged on the first filter;
and a second filter is arranged between the second hot air assembly and the second hot air duct, and a second barometer is arranged on the second filter.
Preferably, a third barometer and a first temperature sensor are disposed within the diaphragm chamber.
Preferably, the first return air duct is provided with a first solvent concentration sensor and a second temperature sensor;
the second return air duct is provided with a second solvent concentration sensor and a third temperature sensor.
Preferably, the first return air duct is provided with a first exhaust air duct; the second return air duct is provided with a second exhaust air duct.
Preferably, the first return air duct is provided with a first air door, and the second return air duct is provided with a second air door.
Preferably, the first exhaust air duct is provided with a third air door, and the second exhaust air duct is provided with a fourth air door.
Preferably, the first centrifugal fan and the second centrifugal fan are respectively provided with a variable frequency control system.
In order to achieve the second object, the utility model provides a battery diaphragm coating machine, which is characterized by comprising the oven energy-saving device of the battery diaphragm coating machine.
Compared with the prior art, the utility model has the following technical effects:
(1) The first hot air component and the second hot air component are arranged up and down in the height direction, hot air is supplied to the upper part of the diaphragm chamber (oven) through the first hot air component, hot air is supplied to the lower part of the diaphragm chamber (oven) through the second hot air component, and the first hot air component and the second hot air component are respectively provided with an independent control system and can be adaptively adjusted according to the dryness of the battery diaphragm.
(2) And when the solvent concentration in the first air return channel and the solvent concentration in the second air return channel are different, the air return with higher solvent concentration flows to the air return channel with lower solvent concentration through the air return channel by the control system, so that the thermal efficiency of the first hot air component and the thermal efficiency of the second hot air component are kept consistent.
(3) A plurality of oven units form a drying system of the battery diaphragm, and each oven unit is provided with an independent oven energy-saving device; the solvent evaporation amount in the front diaphragm chamber is large, and the solvent evaporation amount in the rear diaphragm chamber is close to zero; in addition, due to the fact that the thickness and the width of the battery diaphragm are different, the required hot air quantity in the diaphragm chamber needs to be adjusted at any time, and unnecessary waste is caused because the heat of return air is directly discharged, therefore, through the technical schemes that the first hot air component and the second hot air component are intelligently adjusted, and the intelligent adjustment can be performed according to the actual conditions of the diaphragm chamber, the oven energy-saving device can intelligently adjust according to the actual conditions of the diaphragm chamber, the heat efficiency is maximized, and energy conservation and emission reduction are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of an oven of a prior art battery separator coater of the present utility model.
Fig. 2 is a schematic perspective view of a drying system of a battery separator coater according to the present utility model.
Fig. 3 is a schematic perspective view of an energy-saving device for an oven according to the present utility model.
Fig. 4 is a schematic perspective view of an energy-saving device for an oven according to the present utility model.
1, a diaphragm chamber; 2. a first hot air assembly; 21. a first hot air duct; 22. the first return air duct; 221. the first exhaust air duct; 222. a third damper; 223. a first damper; 23. a first fresh air inlet; 24. a first centrifugal fan; 25. a first heating system; 26. a first filter; 3. a second hot air assembly; 31. a second hot air duct; 32. the second return air duct; 321. the second exhaust air duct; 322. a fourth damper; 323. a second damper; 33. a second fresh air inlet; 34. a second centrifugal fan; 35. a second heating system; 36. a second filter; 4. the air duct is communicated; 5. a drying unit; 51. a fresh cold medium inlet; 52. a heating system; 53. heating medium enters an oven pipeline; 54. a heat medium recovery pipe; 55. and a heat medium discharging pipe.
Detailed Description
The present utility model will be described in detail below with reference to the embodiments shown in the drawings, but it should be understood that the embodiments are not limited to the present utility model, and functional, method, or structural equivalents and alternatives according to the embodiments are within the scope of protection of the present utility model by those skilled in the art.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Example 1
Referring to fig. 2 to 4, this example discloses a specific embodiment of an oven energy saving device for a battery separator coater.
The energy-saving device of the oven of the battery diaphragm coating machine is shown with reference to fig. 2 to 4, and comprises a diaphragm chamber 1, a first hot air component 2 and a second hot air component 3, wherein the first hot air component 2 and the second hot air component 3 are arranged up and down along the height direction; the first hot air assembly 2 is used for introducing hot air to the upper part of the diaphragm chamber 1 through a first hot air duct 21, and a first return air duct 22 is arranged above the diaphragm chamber 1; the second hot air assembly 3 introduces hot air to the lower part of the diaphragm chamber 1 through a second hot air duct 31, and a second return air duct 32 is arranged below the diaphragm chamber 1; a communication duct 4 is provided between the first return air duct 22 and the second return air duct 32.
Specifically, referring to fig. 1, fig. 1 is a drying system of an existing battery separator coater, which includes a plurality of drying units 5, each of which includes a fresh cold medium inlet 51, a heating system 52, a heat medium inlet oven pipe 53, a heat medium recovery pipe 54, and a heat medium discharge pipe 55, and which has only one set of heat medium input and circulation systems, cannot be adjusted for the actual conditions in the oven, and has a disadvantage of low heat efficiency. In order to overcome the above-mentioned drawbacks, in this embodiment, the diaphragm chamber 1 (oven) is divided into two different drying areas by using the diaphragm as the interface, wherein the first hot air component 2 is used for introducing hot air to the upper side of the diaphragm chamber 1 through the first hot air duct 21, the second hot air component 3 is used for introducing hot air to the lower side of the diaphragm chamber 1 through the second hot air duct 31, the first hot air component 2 and the second hot air component 3 are respectively provided with independent control systems, and can be adaptively adjusted according to the drying degree of the battery diaphragm, for example, according to the solvent evaporation concentration, the drying temperature, the air pressure and the like, so as to realize the drying of the battery diaphragm with the most suitable air quantity and air speed; in addition, because the solvent concentrations in the upper and lower drying areas in the diaphragm chamber 1 are different, the solvent concentrations in the first air return duct 22 and the second air return duct 32 are different, and the low thermal drying efficiency is caused by the high solvent concentration, so that the air return with the higher solvent concentration flows to the air return duct with the lower solvent concentration through the communication duct by the control system, the thermal efficiency of the first hot air component 2 and the second hot air component 3 is kept consistent, and the drying thermal efficiency is maximized.
The energy-saving device of the oven of the battery diaphragm coating machine has the following specific structure: referring to fig. 3 and 4, the first hot air component 2 includes a first fresh air inlet 23, a first centrifugal fan 24 and a first heating system 25, the first centrifugal fan 24 is provided with a variable frequency control system, hot air enters the first heating system 25 from the first fresh air inlet 23 under the action of the first centrifugal fan 24 and is sent to the upper part of the diaphragm chamber 1 through the first air supply duct 21, in order to prevent impurities from entering the diaphragm chamber 1, a first filter 26 is arranged between the first hot air component 2 and the first hot air duct 21, and the first filter 26 is provided with a first barometer; the second hot air assembly 3 comprises a second fresh air inlet 33, a second centrifugal fan 34 and a second heating system 35, the second centrifugal fan 34 is provided with a variable frequency control system, hot air enters the second heating system 35 from the second fresh air inlet 33 under the action of the second centrifugal fan 34 and is sent to the lower part of the diaphragm chamber 1 through a second air supply duct 31, a second filter 36 is arranged between the second hot air assembly 3 and the second hot air duct 31 for preventing impurities from entering the diaphragm chamber 1, and a second barometer is arranged on the second filter 36; in addition, a third barometer and a first temperature sensor are arranged in the diaphragm chamber 1, a first solvent concentration sensor and a second temperature sensor are arranged in the first return air duct 22, and a second solvent concentration sensor and a third temperature sensor are arranged in the second return air duct 32; the first return air duct 22 is provided with a first air exhaust duct 221, the first air exhaust duct 221 is provided with a third air door 222, the third air door 222 can control the air exhaust quantity, the second return air duct 32 is provided with a second air exhaust duct 321, the second air exhaust duct 321 is provided with a fourth air door 322, and the fourth air door 322 can control the air exhaust quantity; the first return air duct 22 is provided with a first air door 223, and the second return air duct 32 is provided with a second air door 323; the opening sizes of the first air door 223 and the third air door 222 are adjusted and matched, so that the air discharge quantity and the air return quantity are controlled; the opening sizes of the second air door 323 and the fourth air door 322 are adjusted and matched, so that the air discharge quantity and the air return quantity are controlled.
It should be noted that, fig. 3 and 4 show the positions of the first damper 223, the second damper 323, the third damper 222 and the fourth damper 322, and the dampers are disposed in the duct.
The working principle of the oven energy-saving device of the battery diaphragm coating machine is as follows: referring to fig. 3 and 4, the first centrifugal fan 24 introduces fresh air, heats the fresh air by the first heating system 25, passes through the first filter 26, enters the upper part of the diaphragm chamber 1 by the first hot air duct 21, returns by the first return air duct 22, and returns to the first heating system 25 for recycling, and the other part is discharged by the first exhaust air duct 221, the first air pressure gauge obtains first air pressure, the third air pressure gauge obtains third air pressure, and the pressure difference between the first air pressure and the third air pressure is controlled by the first centrifugal fan 24 to be relatively stable; the second centrifugal fan 34 guides fresh air into the diaphragm chamber 1, the fresh air is heated by the second heating system 35 and then passes through the second filter 36, then enters the lower part of the diaphragm chamber 1 through the second hot air duct 31, return air is returned through the second return air duct 32, one part of the return air flows back to the second heating system 35 for recirculation, the other part of the return air is discharged through the second exhaust air duct 321, the second barometer obtains second air pressure, the third barometer obtains third air pressure, and the pressure difference between the second air pressure and the third air pressure is controlled by the second centrifugal fan 34 to be relatively stable; when the first solvent concentration sensor senses the first solvent concentration in the first return air duct 22 and the second solvent concentration sensor senses the second solvent concentration in the second return air duct 32, when the first solvent concentration and the second solvent concentration are different, the power of the first centrifugal fan 24 and the power of the second centrifugal fan 34 are controlled, and the opening sizes of the first air door 223, the second air door 323, the third air door 222 and the fourth air door 322 are regulated, so that the return air with higher solvent concentration flows to the return air duct with lower solvent concentration through the communication air duct 4, the thermal efficiency of the first hot air component 2 and the second hot air component 3 are kept consistent, and the drying thermal efficiency is maximized.
When the first solvent concentration and the second solvent concentration reach the actual required values, the opening sizes of the first, second, third and fourth dampers 223, 323, 222 and 322 are the most reasonable state, and the drying heat efficiency is the highest.
A first temperature sensor is arranged in the diaphragm chamber 1 and is used for detecting the temperature in the diaphragm chamber 1 so that the temperature does not exceed a preset threshold value, and the performance of the battery diaphragm is not affected; in addition, the first return air duct 22 is provided with a second temperature sensor, the second return air duct 32 is provided with a third temperature sensor, and the second temperature sensor and the third temperature sensor are respectively used for detecting the return air temperature of the first return air duct 22 and the return air temperature of the second return air duct 32, and respectively transmitting the return air temperatures to the first heating system 25 and the second heating system 35, so that the heating systems are intelligent, and the temperature of the supplied air and the temperature relative to the temperature of the diaphragm chamber 1 are maintained.
According to the embodiment, the oven energy-saving device is determined according to the drying length required by the battery diaphragm coating machine, each diaphragm chamber 1 is provided with an independent oven energy-saving device, and as the battery diaphragm is dried continuously, the power of an ion fan of each group of energy-saving devices is adjusted according to actual conditions, so that the most energy-saving state is achieved.
Example 2
The embodiment provides a battery diaphragm coating machine, which comprises the energy-saving device of the oven of the battery diaphragm coating machine, which is described in embodiment 1, so that the drying system of the battery diaphragm coating machine can be intelligently controlled, and the purposes of energy conservation and emission reduction are achieved.
The technical scheme of the battery separator coater disclosed in this embodiment and the technical scheme of the battery separator coater disclosed in embodiment 1 having the same parts are described in the embodiments, and are not repeated here.
Claims (10)
1. The energy-saving device for the oven of the battery diaphragm coating machine is characterized by comprising a diaphragm chamber, a first hot air component and a second hot air component, wherein the first hot air component and the second hot air component are arranged up and down along the height direction;
the first hot air assembly is used for introducing hot air to the upper part of the diaphragm chamber through a first hot air channel, and a first return air channel is arranged above the diaphragm chamber;
the second hot air assembly is used for introducing hot air to the lower part of the diaphragm chamber through a second hot air channel, and a second return air channel is arranged below the diaphragm chamber;
and a communication air duct is arranged between the first return air duct and the second return air duct.
2. The battery separator coater oven energy saving apparatus of claim 1, wherein the first hot air assembly comprises a first fresh air inlet, a first centrifugal fan, and a first heating system; the second hot air assembly comprises a second fresh air inlet, a second centrifugal fan and a second heating system.
3. The battery diaphragm coater oven energy saving device according to claim 1, wherein a first filter is arranged between the first hot air component and the first hot air duct, and a first barometer is arranged on the first filter;
and a second filter is arranged between the second hot air assembly and the second hot air duct, and a second barometer is arranged on the second filter.
4. A battery diaphragm coater oven economizer as in claim 3 wherein a third barometer and a first temperature sensor are disposed within said diaphragm chamber.
5. The battery diaphragm coater oven energy saving device according to claim 1, wherein the first return air duct is provided with a first solvent concentration sensor and a second temperature sensor;
the second return air duct is provided with a second solvent concentration sensor and a third temperature sensor.
6. The battery diaphragm coater oven energy saving device according to claim 1, wherein the first return air duct is provided with a first exhaust air duct; the second return air duct is provided with a second exhaust air duct.
7. The battery diaphragm coater oven economizer of claim 1 wherein the first return air duct is provided with a first air door and the second return air duct is provided with a second air door.
8. The battery separator coater oven energy saving apparatus according to claim 6, wherein the first exhaust air duct is provided with a third air door, and the second exhaust air duct is provided with a fourth air door.
9. The battery diaphragm coater oven energy saving apparatus of claim 2, wherein the first centrifugal fan and the second centrifugal fan are respectively provided with a variable frequency control system.
10. Battery separator coater, characterized by comprising a battery separator coater oven energy saving device according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223514161.1U CN219210539U (en) | 2022-12-28 | 2022-12-28 | Energy-saving device for oven of battery diaphragm coating machine and coating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223514161.1U CN219210539U (en) | 2022-12-28 | 2022-12-28 | Energy-saving device for oven of battery diaphragm coating machine and coating machine |
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| Publication Number | Publication Date |
|---|---|
| CN219210539U true CN219210539U (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223514161.1U Active CN219210539U (en) | 2022-12-28 | 2022-12-28 | Energy-saving device for oven of battery diaphragm coating machine and coating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219210539U (en) |
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2022
- 2022-12-28 CN CN202223514161.1U patent/CN219210539U/en active Active
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