CN107457163B - Coating oven - Google Patents
Coating oven Download PDFInfo
- Publication number
- CN107457163B CN107457163B CN201610387969.8A CN201610387969A CN107457163B CN 107457163 B CN107457163 B CN 107457163B CN 201610387969 A CN201610387969 A CN 201610387969A CN 107457163 B CN107457163 B CN 107457163B
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- cavity
- oven
- drying object
- air
- coating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
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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
Abstract
The invention discloses a coating oven, which comprises: an oven cavity for accommodating the drying object; the upper cavity is arranged in the oven cavity and is positioned above the drying object, and comprises a blowing cavity which is arranged independently and faces the upper surface of the drying object and an air draft cavity which can exhaust the air emitted by the drying object out of the oven cavity; and the lower cavity is arranged in the oven cavity and positioned below the drying object, and the lower cavity faces the lower surface of the drying object. According to the coating oven disclosed by the invention, the air flow and the temperature stability of the surface of a drying object can be accelerated through the upper and lower internal circulation of the oven cavity, the high-concentration solvent vapor evaporated from the upper surface of the drying object is rapidly pumped away through the air suction cavity, the concentration difference of the solvent vapor on the upper surface of the drying object is increased, and the drying efficiency is improved.
Description
Technical Field
The invention belongs to the field of coating and drying, and particularly relates to a high-efficiency and safe coating oven.
Background
With the rapid development of batteries, particularly the rapid progress of EV batteries, the coating productivity of the battery cell pole pieces is improved, and the safety requirements of a coating oven are higher and higher. To meet the practical needs, the prior art discloses various coating ovens. For example, chinese patent application 201220274906.9, filed 6/12 in 2012, discloses an oven device for a coating machine.
However, the prior art coating ovens described above suffer from the following drawbacks: firstly, the upper cavity of the oven cavity is integrally arranged, so that high-concentration steam and low-concentration steam cannot be completely separated, and the air quantity entering the solvent recovery device is influenced; second, since the high concentration steam and the low concentration steam cannot be effectively separated, the gas entering the heating bag is a mixture of the high concentration steam and the low concentration steam, and flammable and explosive solvents in the high concentration steam may be burnt due to mechanical movement, so that the safety of the coating oven is affected.
In view of this, it is indeed necessary to provide an efficient and safe coating oven.
Disclosure of Invention
The invention aims at: an efficient and safe coating oven is provided.
In order to achieve the above object, the present invention provides a coating oven comprising:
an oven cavity for accommodating the drying object;
the upper cavity is arranged in the oven cavity and is positioned above the drying object, and comprises a blowing cavity which is arranged independently and faces the upper surface of the drying object and an air draft cavity which can exhaust the air emitted by the drying object out of the oven cavity; and
the lower cavity is arranged in the oven cavity and positioned below the drying object, and the lower cavity faces the lower surface of the drying object.
So set up, the chamber of blowing can be with the low concentration gas in the oven cavity acting on the upper surface of stoving thing, and the convulsions chamber can be with the high concentration gas discharge oven cavity that the stoving thing sent, and the lower cavity can be with the low concentration gas in the oven cavity acting on the lower surface of stoving thing.
As an improvement of the coating oven, an upper air blowing fan and an upper heating bag are connected between the air blowing cavity and the oven cavity. So set up, the low concentration gas in the oven cavity is through last heating package heating and last blower drive and is acted on the upper surface of stoving thing.
As an improvement of the coating oven, the top of the air blowing cavity is connected with the upper heating bag through a flange, the upper heating bag is connected with the outlet of the upper air blowing fan through a flange, and the inlet of the upper air blowing fan is connected with the oven cavity through a flange.
As an improvement of the coating oven, a lower blowing fan and a lower heating bag are connected between the lower cavity and the oven cavity. So set up, the low concentration gas in the oven cavity is through lower heating package heating and lower air blower drive action drying object's lower surface.
As an improvement of the coating oven, the lower cavity is fixedly connected to the bottom end of the oven cavity through a screw, the lower cavity is connected with the lower heating bag through a flange, the lower heating bag is connected with the outlet of the lower blowing fan through a flange, and the inlet of the lower blowing fan is connected with the oven cavity through a flange.
As an improvement of the coating oven, the exhaust cavity is connected with an exhaust fan, and gas emitted by the dried materials is discharged out of the oven cavity through the exhaust fan.
As an improvement of the coating oven, the top end of the air suction cavity is connected with the air suction fan through a flange, and the bottom of the air suction cavity is connected with an air suction nozzle of the air suction fan through a quick-mounting bayonet.
As an improvement of the coating oven, the exhaust fan is connected with a solvent recovery device.
As an improvement of the coating oven of the present invention, the solvent recovery device is connected to the bottom of the oven cavity through an external circulation heating pack.
As an improvement of the coating oven, the upper cavity is fixedly connected to the top end of the oven cavity through a screw.
As an improvement of the coating oven, the air suction cavity is provided with an air suction nozzle, the lower cavity is provided with a lower air suction nozzle, and the air suction sealing nozzle is arranged opposite to the lower air suction nozzle.
Compared with the prior art, the coating oven has the following advantages:
firstly, high-concentration solvent vapor evaporated from the upper surface of a drying object is rapidly pumped away and fed into a solvent recovery device through an exhaust tuyere, so that the air quantity entering the solvent recovery device can be reduced, and the energy consumption of an oven is reduced.
Secondly, through the upper and lower internal recycle of oven cavity, can accelerate stoving thing surface air flow and temperature stability, take off fast the feeding solvent recovery unit of high concentration solvent vapor that evaporates out with stoving thing upper surface through the exhaust tuyere simultaneously, increase the concentration difference of stoving thing upper surface solvent vapor, improve drying efficiency.
Finally, by independent internal and external circulation, the reduction of the safety of the coating oven caused by the ignition of the high concentration section is avoided.
Drawings
The coating oven and the technical effects thereof are described in detail below with reference to the attached drawings and detailed description, wherein:
FIG. 1 is a schematic diagram of a coating oven according to the present invention.
Detailed Description
In order to make the objects, technical solutions and technical effects of the present invention more clear, the present invention will be further described in detail with reference to the accompanying drawings and detailed description. It should be understood that the detailed description is given herein for the purpose of illustration only and is not intended to limit the invention.
Referring to fig. 1, the coating oven of the present invention includes: an oven cavity 1 capable of accommodating a drying object (not labeled); the upper cavity 10 is arranged in the oven cavity 1 and is positioned above the drying object, the upper cavity 10 comprises a blowing cavity 100 and an air draft cavity 200 which are independent from each other, the blowing cavity 100 faces the upper surface of the drying object and can act low-concentration gas in the oven cavity 1 on the upper surface of the drying object, and the air draft cavity 200 discharges high-concentration gas emitted by the drying object out of the oven cavity 1; and a lower cavity 20 arranged in the oven cavity 1 and positioned below the drying object, wherein the lower cavity 20 faces to the lower surface of the drying object, and can act the low-concentration gas in the oven cavity 1 on the lower surface of the drying object.
The upper cavity 10 is fixedly connected to the top end of the oven cavity 1 through a screw, a plurality of upper blowing nozzles 102 which are arranged at intervals are arranged on one side of the blowing cavity 100 towards the bottom end of the drying object, one side of the top end of the blowing cavity 100 is connected with an upper heating bag 106 through a flange, the upper heating bag 106 is connected with an outlet of an upper blowing fan 104 through a flange, and an inlet of the upper blowing fan 104 is connected with the top end of the oven cavity 1 through a flange, so that upper internal circulation is formed. The upper blowing fan 104 can blow low-concentration gas in the oven cavity 1 into the upper heating bag 106, and the low-concentration gas enters the upper cavity 10 after being heated, and acts on the upper surface of the drying object through the upper blowing nozzle 102 to heat and flow air on the upper surface of the drying object, so that the upper internal circulation of the oven cavity 1 is formed.
The air suction cavity 200 is provided with a plurality of air suction nozzles 202 which are arranged at intervals towards one side of the bottom end of the drying object, and the air suction nozzles 202 are connected with the air suction cavity 200 through quick-mounting bayonets. The top end side of the air draft cavity 200 is connected with an air draft fan 204 through a flange, the air draft fan 204 is connected with a solvent recovery device 206 and an outer circulation heating bag 208, and the outer circulation heating bag 208 is communicated with the bottom of the oven cavity 1 close to the lower cavity 20. High-concentration solvent vapor evaporated from the upper surface of the drying object is rapidly pumped away from the air suction nozzle 202 under the action of the air suction fan 204, enters the solvent recovery device 206, is then sent into the external circulation heating bag 208 through the air suction fan 204, and enters the bottom of the oven cavity 1 after being heated by the external circulation heating bag 208. In order to ensure proper operation of the coating oven, the solvent collected in the solvent recovery device 206 needs to be removed periodically.
The lower cavity 20 is connected and fixed at the bottom end in the oven cavity 1 through a screw rod, a plurality of lower blowing air nozzles 210 which are arranged at intervals are arranged on one side of the lower cavity 20, which faces the top end of the lower surface of the dried object, and the lower blowing air nozzles 210 and the air draft sealing nozzle 202 are oppositely arranged so as to ensure that the dried object is maintained at a proper position in the drying process. The lower chamber 20 is connected with a lower heating bag 212 through a flange, the lower heating bag 212 is connected with an outlet of a lower blowing fan 208 through a flange, and an inlet of a lower blowing fan 214 is connected with the bottom of the oven chamber 1 through a flange, so that lower internal circulation is formed. The lower blower fan 214 can blow the low-concentration gas in the oven cavity 1 into the lower heating bag 212, and after the lower heating bag 212 heats, the low-concentration gas enters the lower cavity 20, and then acts on the lower surface of the drying object through the lower blower nozzle 210, so as to heat and flow air on the lower surface of the drying object, thereby forming the lower internal circulation of the oven cavity 1.
As can be seen in the above detailed description of the invention, the coating oven of the invention has the following advantages over the prior art:
first, high concentration solvent vapor evaporated from the upper surface of the dried product is rapidly pumped into the solvent recovery device 206 through the air suction nozzle 202, so that the air quantity entering the solvent recovery device 206 can be reduced, and the energy consumption of the oven can be reduced.
Secondly, through the upper and lower internal circulation of oven cavity 1, can accelerate stoving thing surface air flow and temperature stability, take off fast the feeding solvent recovery unit 206 of high concentration solvent vapor that evaporates out through the exhaust tuyere 202 with stoving thing upper surface simultaneously, increase stoving thing upper surface solvent vapor's concentration difference, improve drying efficiency.
Finally, by independent internal and external circulation, the reduction of the safety of the coating oven caused by the ignition of the high concentration section is avoided.
The present invention is also capable of suitable alterations and modifications in the above-described embodiments, in light of the above principles. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.
Claims (7)
1. A coating oven comprising:
an oven cavity for accommodating the drying object;
the upper cavity is arranged in the oven cavity and is positioned above the drying object, and comprises a blowing cavity which is arranged independently and faces the upper surface of the drying object and an air draft cavity which can exhaust the air emitted by the drying object out of the oven cavity; and
the lower cavity is arranged in the oven cavity and positioned below the drying object, and faces the lower surface of the drying object;
the air suction cavity is provided with an air suction nozzle, the air suction nozzle is arranged on one side of the air suction cavity facing the bottom end of the drying object, the lower cavity is provided with a lower air blowing nozzle, the lower air blowing nozzle is arranged on one side of the lower cavity facing the top end of the lower surface of the drying object, and the air suction nozzle and the lower air blowing nozzle are arranged oppositely;
the drying oven is characterized in that the air draft cavity is connected with an air draft fan, gas emitted by a drying object is discharged out of the oven cavity through the air draft fan, a solvent recovery device is connected to the air draft fan, and the solvent recovery device is connected to the bottom of the oven cavity through an outer circulation heating bag.
2. The coating oven according to claim 1, characterized in that: an upper air blowing fan and an upper heating bag are connected between the air blowing cavity and the oven cavity.
3. The coating oven according to claim 2, characterized in that: the top of the air blowing cavity is connected with the upper heating bag through a flange, the upper heating bag is connected with an outlet of the upper air blowing fan through a flange, and an inlet of the upper air blowing fan is connected with the oven cavity through a flange.
4. The coating oven according to claim 1, characterized in that: and a lower blowing fan and a lower heating bag are connected between the lower cavity and the oven cavity.
5. The coating oven of claim 4, wherein: the lower cavity is fixedly connected with the bottom end of the oven cavity through a screw, the lower cavity is connected with the lower heating bag through a flange, the lower heating bag is connected with an outlet of the lower blowing fan through a flange, and an inlet of the lower blowing fan is connected with the oven cavity through a flange.
6. The coating oven according to claim 1, characterized in that: the top of the air draft cavity is connected with the air draft fan through a flange, and the bottom of the air draft cavity is connected with an air draft nozzle of the air draft fan through a quick-mounting bayonet.
7. The coating oven according to claim 1, characterized in that: the upper cavity is fixedly connected to the top end of the oven cavity through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610387969.8A CN107457163B (en) | 2016-06-02 | 2016-06-02 | Coating oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610387969.8A CN107457163B (en) | 2016-06-02 | 2016-06-02 | Coating oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107457163A CN107457163A (en) | 2017-12-12 |
| CN107457163B true CN107457163B (en) | 2023-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610387969.8A Active CN107457163B (en) | 2016-06-02 | 2016-06-02 | Coating oven |
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| Country | Link |
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| CN (1) | CN107457163B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909127A (en) * | 2017-12-13 | 2019-06-21 | 宁德新能源科技有限公司 | Coater oven |
| CN217179162U (en) * | 2022-03-10 | 2022-08-12 | 宁德时代新能源科技股份有限公司 | Drying device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5147690A (en) * | 1989-08-22 | 1992-09-15 | Hoechst Aktiengesellschaft | Process and apparatus for drying a liquid film applied to a moving substrate |
| CN202070474U (en) * | 2010-02-26 | 2011-12-14 | 深圳市浩能科技有限公司 | Baking oven of matrix suspension type coating machine |
| CN202683442U (en) * | 2012-07-26 | 2013-01-23 | 张放 | Coating compound device with solvent recovery and heat energy circulation functions |
| JP2013088048A (en) * | 2011-10-19 | 2013-05-13 | Nissan Motor Co Ltd | Electrode drying method and electrode drying device |
| CN104190605A (en) * | 2014-08-27 | 2014-12-10 | 深圳市新嘉拓自动化技术有限公司 | Infrared drying oven and infrared heating devices with hot air nozzles |
| CN105107699A (en) * | 2015-04-07 | 2015-12-02 | 深圳市信宇人科技有限公司 | Battery pole piece intelligently drying method and intelligent drying oven |
| CN205701355U (en) * | 2016-06-02 | 2016-11-23 | 宁德时代新能源科技股份有限公司 | Coater oven |
-
2016
- 2016-06-02 CN CN201610387969.8A patent/CN107457163B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5147690A (en) * | 1989-08-22 | 1992-09-15 | Hoechst Aktiengesellschaft | Process and apparatus for drying a liquid film applied to a moving substrate |
| CN202070474U (en) * | 2010-02-26 | 2011-12-14 | 深圳市浩能科技有限公司 | Baking oven of matrix suspension type coating machine |
| JP2013088048A (en) * | 2011-10-19 | 2013-05-13 | Nissan Motor Co Ltd | Electrode drying method and electrode drying device |
| CN202683442U (en) * | 2012-07-26 | 2013-01-23 | 张放 | Coating compound device with solvent recovery and heat energy circulation functions |
| CN104190605A (en) * | 2014-08-27 | 2014-12-10 | 深圳市新嘉拓自动化技术有限公司 | Infrared drying oven and infrared heating devices with hot air nozzles |
| CN105107699A (en) * | 2015-04-07 | 2015-12-02 | 深圳市信宇人科技有限公司 | Battery pole piece intelligently drying method and intelligent drying oven |
| CN205701355U (en) * | 2016-06-02 | 2016-11-23 | 宁德时代新能源科技股份有限公司 | Coater oven |
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| CN107457163A (en) | 2017-12-12 |
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