CN216965212U - Drying system of coating - Google Patents
Drying system of coating Download PDFInfo
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- CN216965212U CN216965212U CN202120725820.2U CN202120725820U CN216965212U CN 216965212 U CN216965212 U CN 216965212U CN 202120725820 U CN202120725820 U CN 202120725820U CN 216965212 U CN216965212 U CN 216965212U
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- drying
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- 238000001035 drying Methods 0.000 title claims abstract description 89
- 238000000576 coating method Methods 0.000 title claims abstract description 57
- 239000011248 coating agent Substances 0.000 title claims abstract description 54
- 239000000758 substrate Substances 0.000 claims abstract description 34
- 239000000725 suspension Substances 0.000 claims description 5
- 238000007603 infrared drying Methods 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 9
- 238000005096 rolling process Methods 0.000 abstract 1
- 238000005336 cracking Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the field of coating instruments, in particular to a coating drying system which comprises coating equipment, primary drying equipment, secondary drying equipment, a driving roller and a base material, wherein the primary drying equipment is arranged in front of the secondary drying equipment. The substrate is carried out forwards under the action of the rolling roller, the substrate is coated by the coating equipment and then enters primary drying equipment, the primary drying equipment adopts an infrared drying oven, the temperature in the infrared drying oven is stable, the penetrability of infrared rays is strong, moisture can be taken away quickly to improve the drying efficiency, the dried coating enters secondary drying equipment, the secondary drying equipment adopts a roller type drying oven, and when the infrared drying oven is matched with the roller type drying oven for use, the length of the roller type drying oven can be greatly shortened, and the cost and the floor area are reduced.
Description
Technical Field
The utility model relates to the field of coating instruments, in particular to a coating drying system.
Background
In the existing drying technology adopted in the coating industry, a single drying mode is adopted. The most common is a roller oven. A series of carrier rollers are arranged in the oven and used for supporting a running substrate, and a hot air nozzle is arranged above the substrate. When the base material is in operation, the nozzle sprays hot air, so that the aim of drying the base material is fulfilled.
The existing drying mode is adopted in 90% -95% of coating industry. This approach has several disadvantages. 1. The existing drying mode is not suitable for products with thicker coatings. The coating is thick, if the temperature of the oven is too high, the surface layer of the coating dries too fast, the internal solvent cannot be discharged to form surface drying, and a cracking phenomenon is likely to occur. 2. The drying mode has a crucial influence on the coating speed, and two aspects need to be started to accelerate the coating speed, on one hand, the drying speed is accelerated, the temperature of the oven needs to meet a certain temperature condition, and cannot be too high, otherwise, the coating is damaged. On the other hand, the oven is lengthened, and the lengthening of the oven means that the occupied area is enlarged, and the geometric multiple of the cost of the oven is increased.
SUMMERY OF THE UTILITY MODEL
Based on the problems in the prior art, the utility model aims to provide a coating drying system, which can quickly evaporate moisture in a substrate, make a coating reach a curing point in a short time, and reduce the occupied area by matching a drying device.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a drying system of coating, its characterized in that, the system includes coating equipment, a drying equipment, drive roll, secondary drying equipment, coating device, a drying equipment, drive roll, secondary drying equipment, drive roll from left to right arrange in proper order, and coating equipment is located the top of substrate, the substrate is located and passes in proper order in the middle of a drying equipment, the secondary drying equipment, two the drive roll is located the below of substrate, the outer fringe and the substrate lower surface of drive roll are crossing.
Furthermore, a coating head is arranged at the bottom of the coating equipment and positioned above the substrate, and the raw materials are coated on the surface of the substrate through the coating head.
Furthermore, the primary drying equipment selects a microwave drying type oven or a pore plate hot air type oven, the drying quality of the microwave drying type oven is better, the components of the coating cannot deteriorate during drying, and the drying efficiency is 4 times that of a common dryer; the temperature of the orifice plate hot air type oven is high, the base material is dried uniformly, the installation and the maintenance are convenient, and the application range is wide.
Preferably, an infrared oven is selected to drying equipment, and infrared drying has advantages such as the thermal efficiency is high, non-contact, can control that substrate banner moisture is even and practice thrift installation space, and the infrared ray has extremely strong penetrability, enables the inside moisture of substrate by inside outwards evaporation. The infrared radiation also has a very high thermal energy density, which enables the water in the coating to evaporate rapidly, allowing the coating to reach the curing point in a very short time.
Furthermore, the secondary drying equipment is a suspension type oven or a roller type oven, the suspension type oven is complex in structure and high in cost, and the roller type oven is preferably adopted, so that the electricity consumption can be reduced.
The utility model has the following advantages:
1. The coating is prevented from cracking, the primary drying equipment adopts an infrared drying oven, infrared rays have very high heat energy density, and rapid evaporation of moisture in the coating can be accelerated, so that the coating reaches a curing point in a short time, and the coating cannot crack due to the thickness of the coating.
2. The coating efficiency is accelerated, the infrared oven and the roller type oven are used for drying together, the infrared oven can improve the coating quality, most of moisture is taken away in a short time, the roller type oven is used for drying the base material for the second time, and the drying speed can be accelerated by matching use.
3. The space and the field are saved, and when the infrared oven is matched with the roller type oven for use, the length of the roller type oven can be greatly shortened, and the cost and the occupied area are reduced.
Drawings
Fig. 1 is a schematic diagram of a coating drying system in one embodiment.
The reference numbers in the figures are: 1-coating equipment, 2-primary drying equipment, 3-secondary drying equipment, 31-air nozzles, 32-carrier rollers, 4-driving rollers and 5-base materials.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a running chart for a hybrid oven, the hybrid oven comprises a coating device 1, a primary drying device 2, a drive roller 4 and a secondary drying device 3, the coating device 1, the primary drying device 2, the drive roller 4, the secondary drying device 3 and the drive roller 4 are sequentially arranged from left to right, a coating head of the coating device 1 is positioned above a substrate 5, the substrate 5 sequentially passes through the middle of the primary drying device 2 and the secondary drying device 3, the drive roller 4 is positioned below the substrate 5, the outer edge of the drive roller 4 is intersected with the lower surface of the substrate 5, the primary drying device 2 preferentially adopts an infrared oven, and the secondary drying device 3 preferentially adopts a roller-type oven.
When in use, the infrared drying oven is arranged between the coating head and the roller-type drying oven, the two driving rollers 4 enable the substrate 5 to move forwards, the substrate 5 is arranged below the coating head of the coating equipment 1, when the substrate 5 passes through the coating head, the coating is coated on the substrate 5, the substrate 5 enters the infrared drying oven after moving for a period of time, the infrared drying oven selects different temperatures and wind speeds according to different coatings and substrates 5, for example, when the coating is thick and long and the solvent on the coating is stable, the infrared drying oven can select the highest gear, most of the solvent on the substrate 5 is dried by the infrared drying oven at a proper temperature, and the coating in the substrate 5 is taken away and cured, wherein the infrared drying technology has high thermal efficiency and is not in contact with the substrate 5, the drying of thicker coatings is facilitated, the cracking phenomenon is greatly reduced, the coating dried by the infrared drying oven enters the roller-type drying oven, the air nozzles 31 are arranged in the carrier roller type drying oven, the air nozzles 31 above the carrier roller type drying oven are opposite to the base material 5 which moves forwards, carrier rollers are arranged below the base material 5 and can also drive the base material 5 to move forwards, the carrier roller type drying oven can evaporate the residual solvent according to a certain temperature and wind speed, and two drying boxes are matched for use in order to accelerate the drying speed.
In the system, the primary drying equipment 2 adopts an infrared oven, and the secondary drying equipment 3 adopts a roller type oven, and the scheme in the utility model includes but is not limited to the above, for example, the primary drying equipment 2 adopts a microwave drying type oven, and the secondary drying equipment 3 adopts a suspension type oven; the primary drying equipment 2 adopts a hot air type drying oven with a pore plate, the secondary drying equipment 3 adopts a suspension type drying oven, and various schemes can be matched according to actual needs.
Claims (5)
1. The utility model provides a drying system of coating, characterized in that, the system includes coating equipment (1), primary drying equipment (2), drive roll (4), secondary drying equipment (3), substrate (5), coating equipment (1), primary drying equipment (2), secondary drying equipment (3) are arranged from a left side to the right side in proper order, and coating equipment (1) is located the top of substrate (5), one drive roll (4) are located between primary drying equipment (2) and secondary drying equipment (3), another drive roll (4) are located the right of secondary drying equipment (3) for drive roll (4) take substrate (5) to rotate.
2. A coated drying system according to claim 1, characterized in that the primary drying device (2) is an infrared oven.
3. The coated dryer system of claim 2, wherein the infrared oven is replaced with a microwave drying oven or a perforated plate hot air oven.
4. A coated drying system according to claim 3, wherein the secondary drying apparatus (3) is a roller-type oven, a tuyere (31) and a carrier roller (32) are arranged inside the roller-type oven, the tuyere (31) is located above the carrier roller (32), after the substrate (5) enters the secondary drying apparatus (3), the substrate (5) is located between the tuyere (31) and the carrier roller (32), the carrier roller (32) is located below the substrate (5), and the outer edge of the carrier roller (32) is close to the lower surface of the substrate (5), so that the carrier roller (32) drives the substrate (5) to move.
5. A coated drying system according to claim 3, characterized in that the secondary drying apparatus (3) is a suspension oven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120725820.2U CN216965212U (en) | 2021-04-09 | 2021-04-09 | Drying system of coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120725820.2U CN216965212U (en) | 2021-04-09 | 2021-04-09 | Drying system of coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216965212U true CN216965212U (en) | 2022-07-15 |
Family
ID=82338914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120725820.2U Active CN216965212U (en) | 2021-04-09 | 2021-04-09 | Drying system of coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216965212U (en) |
-
2021
- 2021-04-09 CN CN202120725820.2U patent/CN216965212U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 201712 Building 2, No. 338, Jiuye Road, Qingpu District, Shanghai Patentee after: Shanghai Forsyte Robot Co.,Ltd. Address before: Room 1101, building 2, 188 Yizhou Road, Xuhui District, Shanghai Patentee before: SHANGHAI FORESIGHT ROBOTICS Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 201712 Building 2, No. 338, Jiuye Road, Qingpu District, Shanghai Patentee after: Shanghai Fosaite Technology Co.,Ltd. Country or region after: China Address before: 201712 Building 2, No. 338, Jiuye Road, Qingpu District, Shanghai Patentee before: Shanghai Forsyte Robot Co.,Ltd. Country or region before: China |