CN219424834U - Circulating air system of oven - Google Patents
Circulating air system of oven Download PDFInfo
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- CN219424834U CN219424834U CN202320576004.9U CN202320576004U CN219424834U CN 219424834 U CN219424834 U CN 219424834U CN 202320576004 U CN202320576004 U CN 202320576004U CN 219424834 U CN219424834 U CN 219424834U
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- 238000001035 drying Methods 0.000 claims abstract description 49
- 238000005336 cracking Methods 0.000 abstract description 10
- 239000011248 coating agent Substances 0.000 abstract description 7
- 238000000576 coating method Methods 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 210000001787 dendrite Anatomy 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Battery Electrode And Active Subsutance (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The utility model belongs to the technical field of battery coating and drying, and discloses a circulating air system of an oven, which is used for supplying air to a drying system of the oven, wherein the drying system comprises an air inlet pipe communicated with an air inlet of the oven and an exhaust pipe communicated with an air outlet of the oven, the circulating air system of the oven comprises a humidity control module and a heat exchange module, the humidity control module is used for controlling the humidity of air, and the heat exchange module is used for controlling the temperature of the air; the outlet of the humidity control module is communicated with the first inlet of the heat exchange module, the first outlet of the heat exchange module is communicated with the air inlet pipe, the exhaust pipe is communicated with the second inlet of the heat exchange module, and the second outlet of the heat exchange module is communicated with the inlet of the humidity control module to form a closed circulation loop. The circulating air system of the oven not only can provide stable-temperature and stable-humidity air for the drying system of the oven and reduce the risk of cracking of the negative electrode sheet, but also can enable the drying system of the oven to run more stably and improve the consistency of the quality of the negative electrode sheet.
Description
Technical Field
The utility model relates to the technical field of battery coating and drying systems, in particular to a circulating air system of an oven.
Background
In the manufacturing process of the negative plate, the negative electrode coating is one of main procedures of generating defects of the negative plate, common negative plate coating defects comprise baking cracking, wrinkling, scratches and the like, wherein the baking cracking problem is most common, after the baking cracking is formed, the surface of the negative plate is presented as a crack, graphite in the crack is missing to a different extent, when the graphite on the surface of the negative plate is missing, lithium dendrites are formed when lithium ions are reduced in the charging process of the battery, the lithium dendrites continuously consume electrolyte in the growing process and lead to irreversible deposition of metal lithium, dead lithium is formed to cause low coulomb efficiency, and even a diaphragm is pierced to cause the lithium ions to be shorted in the battery, so that the thermal runaway of the battery causes combustion explosion.
In order to solve the problem of baking cracking, the coating machine at home and abroad is used for modifying the structure of the baking oven in many ways, such as increasing the temperature control and air quantity control of an air supply system of the baking oven, but the current air supply system needs to continuously introduce outdoor fresh air when supplying air, and the fresh air is sent into the baking oven for baking after being treated, and the dried waste air is discharged into the atmosphere. Because the humiture of new trend receives external environment's influence great, for example rainy day and sunny day, and the temperature and the humidity of air have obvious difference, lead to the humiture fluctuation of new trend great, consequently, in actual production process, need artifical adjustment temperature and the amount of wind repeatedly, rely on the skill level of production technician seriously, the uniformity of product is relatively poor, improves the effect of the roast crack problem of negative pole piece coating and is not ideal, and the emission of waste wind also can pollute the environment.
Therefore, it is desirable to provide a circulating air system of an oven to solve the above problems.
Disclosure of Invention
The circulating air system of the drying oven provided by the utility model not only can provide stable-temperature and stable-humidity air for the drying system of the drying oven and reduce the risk of cracking of the negative electrode sheet, but also can enable the drying system of the drying oven to run more stably and improve the consistency of the quality of the negative electrode sheet.
To achieve the purpose, the utility model adopts the following technical scheme:
the circulating air system of the oven is used for supplying air to a drying system of the oven and comprises an air inlet pipe communicated with an air inlet of the oven and an exhaust pipe communicated with an air outlet of the oven, and comprises a humidity control module and a heat exchange module, wherein the humidity control module is used for controlling the humidity of air, and the heat exchange module is used for controlling the temperature of the air;
the outlet of the humidity control module is communicated with the first inlet of the heat exchange module, the first outlet of the heat exchange module is communicated with the air inlet pipe, the exhaust pipe is communicated with the second inlet of the heat exchange module, the second outlet of the heat exchange module is communicated with the inlet of the humidity control module, and the drying system, the humidity control module and the heat exchange module form a closed circulation loop.
Optionally, the second outlet of the heat exchange module is communicated with the inlet of the humidity control module through a first return air pipe, a first humidity sensor is arranged on the first return air pipe, and the first humidity sensor is electrically connected with the humidity control module.
Optionally, the humidity control module includes the dehumidifier, the import intercommunication of dehumidifier has first pipeline, the export intercommunication of dehumidifier has the second pipeline, first pipeline with first return air pipe intercommunication, the second pipeline with the first import intercommunication of heat transfer module, be equipped with first motorised valve on the first pipeline, first motorised valve is used for controlling the switching of first pipeline, first motorised valve with the humidity control module electricity is connected.
Optionally, the humidity control module further includes a humidifier, the inlet of the humidifier is communicated with a third pipeline, the outlet of the humidifier is communicated with a fourth pipeline, the third pipeline is communicated with the first return air pipe, the fourth pipeline is communicated with the first inlet of the heat exchange module, a second electric valve is arranged on the third pipeline and is used for controlling the opening and closing of the third pipeline, and the second electric valve is electrically connected with the humidity control module.
Optionally, the first outlet of the heat exchange module is communicated with the air inlet pipe through a fifth pipeline, a second humidity sensor is arranged on the fifth pipeline, and the second humidity sensor is electrically connected with the humidity control module.
Optionally, the drying system further comprises a second return air pipe communicated with the air inlet pipe and the exhaust pipe, a third humidity sensor is arranged on the second return air pipe, and the third humidity sensor is electrically connected with the humidity control module.
Optionally, the circulating air system of the oven further comprises a condenser, the second outlet of the heat exchange module is communicated with the inlet of the condenser, and the outlet of the condenser is communicated with the inlet of the humidity control module.
Optionally, a plurality of condensers are provided, and the condensers are sequentially connected in series.
Optionally, the circulating air system of the oven further comprises a three-way valve, a second outlet of the heat exchange module is communicated with an inlet of the three-way valve, a first outlet of the three-way valve is communicated with an inlet of the humidity control module, a second outlet of the three-way valve is communicated with an air outlet pipe, and the air outlet pipe is used for discharging air in the closed circulation loop.
Optionally, the circulating air system of the oven further comprises a power source, the second outlet of the heat exchange module is communicated with the inlet of the power source, and the outlet of the power source is communicated with the inlet of the humidity control module.
The utility model has the beneficial effects that:
the utility model provides a circulating air system of an oven, which comprises a humidity control module and a heat exchange module. The circulating air system of the oven adopts a closed circulation loop to provide air for the drying system of the oven, and fresh air is not required to be introduced, so that on one hand, impurities in the air are reduced, the air quality is improved, and the drying quality of the oven is further improved; on the other hand, the waste gas is not required to be discharged to the external environment, so that the energy is saved and the environment is protected; on the other hand, the temperature and the humidity of the air are not interfered by the external environment, so that the stability of the temperature and the humidity of the air can be conveniently controlled.
The temperature of the air entering the air inlet pipe of the drying system is heated by utilizing the high-temperature waste gas discharged by the drying system, so that the energy utilization efficiency is improved, and the total energy consumption of the system is saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.
Fig. 1 is a schematic structural diagram of a circulating air system of an oven according to an embodiment of the present utility model.
In the figure:
100. a circulating air system of the oven; 110. a humidity control module; 111. a dehumidifier; 112. a first pipeline; 113. a second pipeline; 114. a first electrically operated valve; 115. a humidifier; 116. a third pipeline; 117. a fourth pipeline; 118. a second electrically operated valve; 120. a heat exchange module; 130. a first return air pipe; 140. a first humidity sensor; 150. a fifth pipeline; 151. a second humidity sensor; 160. a third humidity sensor; 170. a condenser; 180. a three-way valve; 181. an air outlet pipe; 190. a power source;
200. a drying system; 210. an air inlet pipe; 220. an exhaust pipe; 230. a second return air pipe;
300. and (3) an oven.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
The embodiment provides a circulating air system 100 of a drying oven, which not only can provide stable temperature and humidity air for a drying system 200 of the drying oven 300 and reduce the risk of cracking of the negative electrode sheet, but also can enable the drying system 200 of the drying oven 300 to run more stably and improve the consistency of the quality of the negative electrode sheet.
Specifically, as shown in fig. 1, the circulating air system 100 of the oven is used for supplying air to the drying system 200 of the oven 300, and is arranged at one side of the drying system 200, the drying system 200 comprises an air inlet pipe 210 and an exhaust pipe 220, the air inlet pipe 210 is communicated with an air inlet of the oven 300, the exhaust pipe 220 is communicated with an air outlet of the oven 300, the circulating air system 100 of the oven conveys air meeting requirements into the air inlet pipe 210 to dry battery pole pieces, and waste gas generated by the oven 300 is discharged into the circulating air system 100 of the oven from the exhaust pipe 220 for treatment. Specifically, the circulating air system 100 of the oven includes a humidity control module 110 and a heat exchange module 120, wherein an outlet of the humidity control module 110 is communicated with a first inlet of the heat exchange module 120, a first outlet of the heat exchange module 120 is communicated with an air inlet pipe 210, an exhaust pipe 220 is communicated with a second inlet of the heat exchange module 120, a second outlet of the heat exchange module 120 is communicated with an inlet of the humidity control module 110, a drying system 200, the humidity control module 110 and the heat exchange module 120 form a closed circulation loop, the humidity control module 110 is used for controlling humidity of air in the closed circulation loop, the heat exchange module 120 is used for controlling temperature of air in the closed circulation loop, and the heat exchange module 120 may include a heat exchanger. The air circularly flows in the closed circulation loop, after entering the humidity control module 110, the humidity control module 110 can dehumidify or humidify the air, the air meeting the humidity requirement enters the heat exchange module 120 again to be heated, so that the temperature and the humidity of the air are kept within a temperature range, and then the air is conveyed into the drying system 200 to dry the battery pole pieces; the exhaust gas generated after drying is conveyed to the heat exchange module 120 to participate in heat exchange, and the air after heat exchange is subjected to the next air supply cycle.
The circulating air system 100 of the oven adopts a closed circulation loop to provide air for the drying system 200 of the oven 300, and fresh air is not required to be introduced, so that on one hand, impurities in the air are reduced, the air quality is improved, and further, the drying quality of the oven 300 is improved; on the other hand, the waste gas is not required to be discharged to the external environment, so that the energy is saved and the environment is protected; on the other hand, the temperature and humidity of the air are not influenced by the change of the external environment, so that the air humidity in a closed circulation loop is stable, the control is convenient, and the risk of the battery pole piece cracking is reduced. By heating the temperature of the air introduced into the air inlet duct 210 of the drying system 200 using the high temperature exhaust gas discharged from the drying system 200, the energy utilization efficiency is improved and the total energy consumption of the system is saved. And the circulating air system 100 of the oven can solve the problem of cracking of the cathode plate without adding additives into the slurry, thereby being beneficial to improving the cycle performance of the battery. By setting the humidity control module 110, the air humidity of the drying system 200 of the oven 300 can be set as required, and the problem of pole piece cracking caused by too low humidity of the coating machine is solved.
Further, the second outlet of the heat exchange module 120 is communicated with the inlet of the humidity control module 110 through a first return air pipe 130, a first humidity sensor 140 is arranged on the first return air pipe 130, and the first humidity sensor 140 is electrically connected with the humidity control module 110. The first humidity sensor 140 is configured to detect the humidity of the air in the first return air pipe 130, and transmit a humidity signal to the humidity control module 110, where the humidity control module 110 compares the humidity signal transmitted by the first humidity sensor 140 with a target humidity, adjusts the humidity of the air to the target humidity, and then sends the air to the heat exchange module 120 for heating.
Preferably, the first outlet of the heat exchange module 120 is communicated with the air inlet pipe 210 through a fifth pipeline 150, a second humidity sensor 151 is disposed on the fifth pipeline 150, and the second humidity sensor 151 is electrically connected with the humidity control module 110. The second humidity sensor 151 is configured to detect the humidity of the air in the fifth pipeline 150 and transmit a humidity signal to the humidity control module 110, where the air humidity detected by the second humidity sensor 151 is the humidity of the air used by the drying system 200 for drying, and by setting the second humidity sensor 151, on one hand, by observing the quality of the dried battery pole piece, whether the set target humidity is suitable can be analyzed, so as to further improve; on the other hand, the second humidity sensor 151 can detect the working performance of the humidity control module 110 to ensure the drying quality, and if the humidity detected by the second humidity sensor 151 is very different from the target humidity, it indicates that the humidity control module 110 fails and needs to be stopped for maintenance.
As a preferred technical solution, the drying system 200 further includes a second return air duct 230 connected to the air inlet duct 210 and the air outlet duct 220, and a third humidity sensor 160 is disposed on the second return air duct 230, and the third humidity sensor 160 is electrically connected to the humidity control module 110. The third humidity sensor 160 is used to detect the humidity of the air in the second return duct 230. Since a part of the exhaust gas discharged from the exhaust pipe 220 in the drying system 200 is directly conveyed to the air inlet pipe 210 through the second air return pipe 230 to serve as drying air, and the part of the exhaust gas also contains moisture, which affects the total humidity of the air in the air inlet pipe 210, the third humidity sensor 160 is arranged to detect the humidity of the air in the second air return pipe 230, so that the humidity of the air processed by the humidity control module 110+the humidity of the air in the second air return pipe 230 is equal to the air humidity required by the air inlet pipe 210, the influence of the humidity of the air in the second air return pipe 230 on the drying quality is avoided, the quality of the air supplied to the drying system 200 by the circulating air system 100 of the oven is improved, and the consistency of the quality of battery pole pieces is further improved.
Optionally, the humidity control module 110 includes a dehumidifier 111, an inlet of the dehumidifier 111 is connected to a first pipeline 112, an outlet of the dehumidifier 111 is connected to a second pipeline 113, the first pipeline 112 is connected to a first return air pipe 130, the second pipeline 113 is connected to a first inlet of the heat exchange module 120, a first electric valve 114 is disposed on the first pipeline 112, the first electric valve 114 is used for controlling opening and closing of the first pipeline 112, and the first electric valve 114 is electrically connected to the humidity control module 110. After the humidity control module 110 analyzes the humidity signal transmitted by the first humidity sensor 140 to determine that the air needs to be dehumidified to reduce the humidity of the air, the humidity control module 110 controls the first electric valve 114 to open, and the dehumidifier 111 is used to remove the redundant moisture in the air. The dehumidifier 111 is optional but not limited to a rotary dehumidifier 111, and the rotary dehumidifier 111 has a strong moisture absorption function and does not need to regenerate the moisture absorbent. The linkage among the first humidity sensor 140, the humidity control module 110 and the first electric valve 114 is used for controlling the humidity of air, so that the consistency influence of human intervention on the drying quality of the battery pole piece is reduced and the consistency of the quality of the battery pole piece is improved compared with the prior art by manually adjusting the temperature of the oven 300 and the air intake and exhaust quantity.
Further, the humidity control module 110 further includes a humidifier 115, an inlet of the humidifier 115 is connected to a third pipeline 116, an outlet of the humidifier 115 is connected to a fourth pipeline 117, the third pipeline 116 is connected to the first return air pipe 130, the fourth pipeline 117 is connected to a first inlet of the heat exchange module 120, a second electric valve 118 is disposed on the third pipeline 116, the second electric valve 118 is used for controlling opening and closing of the third pipeline 116, and the second electric valve 118 is electrically connected to the humidity control module 110. After the humidity control module 110 analyzes the humidity signal transmitted by the first humidity sensor 140 to determine that the air needs to be humidified to increase the humidity of the air, the humidity control module 110 controls the second electrically operated valve 118 to open, and the humidifier 115 is used to increase the moisture in the air. The linkage among the first humidity sensor 140, the humidity control module 110 and the second electric valve 118 is used for controlling the humidity of air, so that the consistency influence of human intervention on the drying quality of the battery pole piece is reduced and the consistency of the quality of the battery pole piece is improved compared with the prior art by manually adjusting the temperature of the oven 300 and the air intake and exhaust quantity.
Further, with continued reference to fig. 1, the circulating air system 100 of the oven further includes a condenser 170, the second outlet of the heat exchange module 120 is connected to the inlet of the condenser 170, and the outlet of the condenser 170 is connected to the inlet of the humidity control module 110. The condenser 170 can pre-treat the exhaust gas discharged from the exhaust pipe 220, perform low-temperature convection cooling on the exhaust gas discharged from the exhaust pipe 220, primarily reduce the humidity of the exhaust gas, and reduce the pressure of the humidity control module 110. Alternatively, a plurality of condensers 170 may be provided as needed, and the plurality of condensers 170 may be connected in series in order to perform multi-stage cooling, and one, two, or three, or the like may be provided as an example.
Further, the circulating air system 100 of the oven further includes a three-way valve 180, a second outlet of the heat exchange module 120 is connected to an inlet of the three-way valve 180, a first outlet of the three-way valve 180 is connected to an inlet of the humidity control module 110, a second outlet of the three-way valve 180 is connected to an air outlet pipe 181, and the air outlet pipe 181 is used for discharging air in the closed circulation loop. By arranging the three-way valve 180, redundant air in the closed circulation loop can be discharged to the external environment for fine adjustment of the pressure of the air in the closed circulation loop, which is beneficial to improving the operation stability of the circulating air system 100 of the oven.
Optionally, the circulating air system 100 of the oven further includes a power source 190, the second outlet of the heat exchange module 120 is connected to the inlet of the power source 190, and the outlet of the power source 190 is connected to the inlet of the humidity control module 110. The power source 190 can provide power for the circulation of the closed circulation loop, which is beneficial to improving the reliability of the operation of the circulating air system 100 of the oven.
Alternatively, a plurality of power sources 190 may be provided, in this embodiment, four power sources 190 are provided, and the remaining three power sources 190 are respectively provided between the heat exchange module 120 and the air inlet pipe 210, between the exhaust pipe 220 and the heat exchange module 120, and on the air outlet pipe 181. In other embodiments, the number and the arrangement positions of the power sources 190 may be other, and may be set according to actual needs.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. The circulating air system of the oven is used for supplying air to the drying system (200) of the oven (300), the drying system (200) comprises an air inlet pipe (210) communicated with an air inlet of the oven (300) and an exhaust pipe (220) communicated with an air outlet of the oven (300), and the circulating air system of the oven is characterized in that the circulating air system (100) of the oven comprises a humidity control module (110) and a heat exchange module (120), the humidity control module (110) is used for controlling the humidity of air, and the heat exchange module (120) is used for controlling the temperature of the air;
the outlet of the humidity control module (110) is communicated with the first inlet of the heat exchange module (120), the first outlet of the heat exchange module (120) is communicated with the air inlet pipe (210), the exhaust pipe (220) is communicated with the second inlet of the heat exchange module (120), the second outlet of the heat exchange module (120) is communicated with the inlet of the humidity control module (110), and the drying system (200) and the humidity control module (110) form a closed circulation loop.
2. The circulating air system of the oven according to claim 1, wherein the second outlet of the heat exchange module (120) is communicated with the inlet of the humidity control module (110) through a first return air pipe (130), a first humidity sensor (140) is arranged on the first return air pipe (130), and the first humidity sensor (140) is electrically connected with the humidity control module (110).
3. The circulating air system of an oven according to claim 2, wherein the humidity control module (110) comprises a dehumidifier (111), an inlet of the dehumidifier (111) is communicated with a first pipeline (112), an outlet of the dehumidifier (111) is communicated with a second pipeline (113), the first pipeline (112) is communicated with the first return air pipe (130), the second pipeline (113) is communicated with a first inlet of the heat exchange module (120), a first electric valve (114) is arranged on the first pipeline (112), the first electric valve (114) is used for controlling the opening and closing of the first pipeline (112), and the first electric valve (114) is electrically connected with the humidity control module (110).
4. A circulating air system of an oven according to claim 3, wherein the humidity control module (110) further comprises a humidifier (115), an inlet of the humidifier (115) is communicated with a third pipeline (116), an outlet of the humidifier (115) is communicated with a fourth pipeline (117), the third pipeline (116) is communicated with the first return air pipe (130), the fourth pipeline (117) is communicated with a first inlet of the heat exchange module (120), a second electric valve (118) is arranged on the third pipeline (116), the second electric valve (118) is used for controlling opening and closing of the third pipeline (116), and the second electric valve (118) is electrically connected with the humidity control module (110).
5. The circulating air system of the oven according to claim 2, wherein the first outlet of the heat exchange module (120) is communicated with the air inlet pipe (210) through a fifth pipeline (150), a second humidity sensor (151) is arranged on the fifth pipeline (150), and the second humidity sensor (151) is electrically connected with the humidity control module (110).
6. The circulating air system of an oven according to claim 5, wherein the drying system (200) further comprises a second return air pipe (230) communicating the air inlet pipe (210) and the exhaust pipe (220), a third humidity sensor (160) is arranged on the second return air pipe (230), and the third humidity sensor (160) is electrically connected with the humidity control module (110).
7. The circulating air system of an oven according to any one of claims 1-6, characterized in that the circulating air system (100) of the oven further comprises a condenser (170), the second outlet of the heat exchange module (120) is in communication with the inlet of the condenser (170), and the outlet of the condenser (170) is in communication with the inlet of the humidity control module (110).
8. The circulating air system of an oven according to claim 7, wherein a plurality of condensers (170) are provided, and a plurality of condensers (170) are connected in series in order.
9. The circulating air system of an oven according to any one of claims 1-6, characterized in that the circulating air system (100) of the oven further comprises a three-way valve (180), the second outlet of the heat exchange module (120) is in communication with the inlet of the three-way valve (180), the first outlet of the three-way valve (180) is in communication with the inlet of the humidity control module (110), the second outlet of the three-way valve (180) is in communication with an air outlet pipe (181), the air outlet pipe (181) being used for exhausting air in the closed circulation loop.
10. The circulating air system of an oven according to any one of claims 1-6, wherein the circulating air system (100) of the oven further comprises a power source (190), the second outlet of the heat exchange module (120) is in communication with an inlet of the power source (190), and the outlet of the power source (190) is in communication with an inlet of the humidity control module (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320576004.9U CN219424834U (en) | 2023-03-22 | 2023-03-22 | Circulating air system of oven |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320576004.9U CN219424834U (en) | 2023-03-22 | 2023-03-22 | Circulating air system of oven |
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| CN219424834U true CN219424834U (en) | 2023-07-28 |
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| CN202320576004.9U Active CN219424834U (en) | 2023-03-22 | 2023-03-22 | Circulating air system of oven |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117139104A (en) * | 2023-11-01 | 2023-12-01 | 江苏时代新能源科技有限公司 | Drying system, battery production equipment and pole piece coating and drying method |
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2023
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117139104A (en) * | 2023-11-01 | 2023-12-01 | 江苏时代新能源科技有限公司 | Drying system, battery production equipment and pole piece coating and drying method |
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