A VOCs treatment device for paint tank of enameling machine
By designing a VOCs treatment device in the paint tank of the enameled machine, using a double-layer sealing structure of the exhaust pipe and transparent cover, combined with the exhaust fan and purifier, the threat of VOCs posed to the health of the staff in the enameled machine is solved, and effective VOCs removal and purification are achieved.
Patent Information
- Application Number
- CN202421475879.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-25
AI Technical Summary
In the paint tank of the enameled machine, the highly volatile organic solvents in the insulating paint cause the production of VOCs, causing staff to inhale these harmful gases, causing damage to their health.
A VOCs treatment device for the paint tank of an enameled machine is designed, including an exhaust pipe and a plurality of transparent covers. The transparent cover is equipped with a shell cover and a ventilation pipe. The ventilation pipe is connected to the exhaust pipe to discharge VOCs from the shell cover and prevent the VOCs from being sucked in through a double-layer seal.
Effectively prevent VOCs from being sucked in by staff and protect the health of relevant staff. At the same time, through the cooperation of exhaust fans and purifiers, VOCs can be completely removed and purified.
Smart Images
Figure CN222749276U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of enameling machines, and in particular to a VOCs treatment device for a paint tank of an enameling machine. Background Art
[0002] The paint tank in the enameling machine is a rectangular container, usually with dimensions of about 2000mm long, 1000mm wide and 200mm deep, without enclosures or lids, and is open. It is located at the front entrance of the enameling machine. The paint tank contains insulating paint. During the production of enameled wire, as the bare copper wire passes through the paint tank, the insulating paint will be dipped onto the bare copper wire to form an insulating layer covering the bare copper wire.
[0003] During this process, since the main components of the insulating varnish are some highly volatile organic solvents such as varnish-based resins, solvents, diluents, and additives, the heat of the bare copper wire itself will cause some components in the insulating varnish to volatilize, producing VOCs with a strong and pungent odor. This will cause relevant staff to inhale some VOCs into their bodies when working near the enameling machine. Over time, this will harm the health of the relevant staff. Utility Model Content
[0004] The present application provides a VOCs treatment device for a paint tank of an enameling machine, which can treat VOCs and prevent them from being inhaled by relevant personnel, thereby protecting relevant personnel.
[0005] The present application provides a VOCs treatment device for a paint tank of an enameling machine using the following technical solution:
[0006] A VOCs treatment device for a paint tank of an enameling machine comprises an exhaust duct and a plurality of transparent covers, wherein the plurality of transparent covers are arranged in one-to-one correspondence with the plurality of paint tanks, each of the plurality of transparent covers is provided with a shell cover arranged on the corresponding paint tank, a ventilation duct is installed on the shell cover, one end of the ventilation duct is connected to the shell cover, and the other end of the ventilation duct extends out of the transparent cover and is connected to the exhaust duct, so as to discharge VOCs from the shell cover.
[0007] By adopting the above technical solution, when VOCs volatilize, since the shell cover is arranged in the paint tank to seal the paint tank, VOCs will enter the exhaust duct from the ventilation duct and then be discharged from the shell cover. In addition, a transparent cover is also arranged outside the shell cover. Through double-layer sealing, VOCs are prevented from being inhaled by relevant staff, thereby protecting relevant staff.
[0008] Optionally, the ventilation duct includes a ventilation main pipe and multiple ventilation branch pipes, the multiple ventilation branch pipes are arranged in sequence along the length direction of the shell cover, one end of the multiple ventilation branch pipes are connected to the ventilation main pipe, and the other end of the multiple ventilation branch pipes are connected to the shell cover.
[0009] By adopting the above technical solution, multiple ventilation branches are provided for VOCs to be discharged from the shell cover, thereby ensuring that VOCs can be removed more thoroughly.
[0010] Optionally, the ventilation branch pipe is made of a square tube.
[0011] By adopting the above technical solution, square tubes are used as materials for making ventilation branches, which makes processing more convenient and has better economy.
[0012] Optionally, there are two ventilation branch pipes, which are arranged opposite to each other at two ends of the shell.
[0013] By adopting the above technical solution, two ventilation branches are provided to discharge the VOCs in the shell, thereby further reducing the production cost of the treatment device.
[0014] Optionally, an exhaust fan is provided on the ventilation main pipe.
[0015] By adopting the above technical solution and setting up an exhaust fan to assist in the discharge of VOCs, it is helpful to ensure that VOCs can be removed more thoroughly.
[0016] Optionally, a frequency conversion controller is also included, which is connected to the exhaust fan and is used to control the power of the exhaust fan.
[0017] By adopting the above technical solution, a frequency conversion controller is set to adjust the power of the exhaust fan to control the speed at which VOCs are discharged from the shell cover.
[0018] Optionally, a purifier is provided at the output end of the exhaust pipe.
[0019] By adopting the above technical solution, VOCs discharged through the exhaust duct will be processed by the purifier to protect the environment.
[0020] Optionally, an operation opening is provided on the transparent cover, and a sliding door is slidably connected to the transparent cover to close the operation opening.
[0021] By adopting the above technical solution, the transparent cover is opened and closed by sliding the sliding door. When the enameled wire is produced, the transparent cover is closed. When the production is completed, the transparent cover can be opened to inspect the device.
[0022] In summary, the present application includes at least one of the following beneficial technical effects:
[0023] 1. When VOCs volatilize, since the shell cover is installed in the paint tank and the paint tank is closed, VOCs will enter the exhaust duct from the ventilation duct and then be discharged from the shell cover. In addition, a transparent cover is also installed outside the shell cover. Through double-layer sealing, VOCs are prevented from being inhaled by relevant staff, thereby protecting relevant staff.
[0024] 2. By setting up an exhaust fan to assist the discharge of VOCs, it is helpful to ensure that VOCs can be removed more thoroughly, and the frequency conversion controller adjusts the power of the exhaust fan to control the speed of VOCs discharged from the shell according to the concentration of VOCs.
[0025] 3. The VOCs in multiple shells are gathered into the exhaust pipe through the ventilation pipe, and are centrally treated by the purifier, so that the VOCs generated during the production of enameled wires are better purified and removed, achieving harmless treatment. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is a three-dimensional structural schematic diagram of the VOCs treatment device of the paint tank of the enameling machine in this application;
[0027] Figure 2 It is a partial structural schematic diagram of the VOCs treatment device of the paint tank of the enameling machine in this application after removing the sliding door.
[0028] In the figure, 1. exhaust duct; 2. transparent cover; 21. operation port; 3. paint tank; 4. shell cover; 5. ventilation duct; 51. ventilation main pipe; 52. ventilation branch pipe; 6. exhaust fan; 7. frequency conversion controller; 8. purifier; 9. sliding door. DETAILED DESCRIPTION
[0029] The following is combined with Figure 1 -Attached Figure 2 , further details of this application are given.
[0030] A VOCs treatment device for the paint tank of an enameling machine, referring to Figure 1 , including an exhaust duct 1 and a plurality of transparent covers 2, wherein the plurality of transparent covers 2 are arranged in one-to-one correspondence with the plurality of paint tanks 3 and are covered on the paint tanks 3, and the plurality of transparent covers 2 are all connected to the exhaust duct 1 to discharge VOCs generated in the process of producing the enameled wire.
[0031] Among them, an operation port 21 is opened on the transparent cover 2, and a sliding door 9 is slidably connected to the operation port 21 of the transparent cover 2. When the production of the enameled wire starts, the sliding door 9 is pulled to close the operation port 21 to prevent VOCs from overflowing from the operation port 21. When the production of the enameled wire is completed, the sliding door 9 can be pulled again to add insulating paint to the paint tank 3 from the operation port 21, or the device can be repaired.
[0032] Further, refer to Figure 1 A shell cover 4 is provided in each transparent cover 2, and the shell cover 4 is provided on the paint tank 3 to further seal and isolate the paint tank 3 to prevent VOCs from escaping. Specifically, a ventilation pipe 5 is installed on the shell cover 4, one end of the ventilation pipe 5 is connected to the shell cover 4, and the other end of the ventilation pipe 5 extends out of the transparent cover 2 and is connected to the exhaust pipe 1, so as to discharge VOCs from the shell cover 4.
[0033] When the bare copper wire enters the paint tank 3 and the insulating paint is coated on the bare copper wire, the heat of the bare copper wire causes some components in the insulating paint to volatilize, forming VOCs. The flow of VOCs is restricted by the shell cover 4, enters the ventilation duct 5 and is finally discharged from the output end of the exhaust duct 1.
[0034] Furthermore, a purifier 8 is provided at the output end of the exhaust pipe 1, which can purify VOCs. In this embodiment, the purifier 8 uses a catalytic combustion device, which mainly includes a flame arrester filter, a heat exchanger, a preheating chamber, a thermal resistor and a catalytic bed. The catalytic bed has a multi-layer honeycomb catalyst, which oxidizes and decomposes the combustible substances in the VOCs into harmless substances such as water and carbon dioxide at a lower temperature. When the exhaust gas passes through the catalytic bed, the catalyst promotes a chemical reaction of the harmful gas, converting it into harmless components, while reducing the energy required for combustion to achieve complete combustion.
[0035] It should be noted that, in other embodiments, the purifier 8 may also use a thermal storage incinerator or a biological filter or other equipment to ensure that VOCs can be purified.
[0036] Reference Figure 2 The ventilation duct 5 includes a ventilation main pipe 51 and multiple ventilation branch pipes 52. The multiple ventilation branch pipes 52 are arranged in sequence along the length direction of the shell cover 4. One end of the multiple ventilation branch pipes 52 is connected to the ventilation main pipe 51, and the other end of the multiple ventilation branch pipes 52 is connected to the shell cover 4.
[0037] In this embodiment, the ventilation pipe 5 is made of a square tube to reduce the production cost of the processing device. Furthermore, there are two ventilation pipes 5. The two ventilation branches 52 are arranged opposite to each other at the two ends of the shell cover 4, and the ends of the two ventilation branches 52 facing away from the shell cover 4 are close to each other to form an inverted V shape, so that the gas can be dispersed and flowed more smoothly when entering the ventilation branch pipe 52, reducing the friction and turbulence of the airflow in the pipe.
[0038] One end of the ventilation main pipe 51 extends into the transparent cover 2 and is connected to the two ventilation branches 52 , and the other end of the ventilation main pipe 51 is connected to the input end of the exhaust pipe 1 .
[0039] It should be noted that, in other embodiments, the ventilation branch pipe 52 can also be made of other materials, such as galvanized steel pipes, plastic ventilation pipes, etc., and the number of the ventilation branch pipes 52 can also be three or more, to ensure that VOCs can be better discharged from the shell cover 4.
[0040] Furthermore, an exhaust fan 6 is provided on the ventilation main pipe 51, and the exhaust fan 6 extracts VOCs in the shell cover 4 to improve the treatment efficiency of VOCs. In addition, the power of the exhaust fan 6 is adjustable. Specifically, the VOCs treatment device of the enameling machine paint tank also includes a frequency conversion controller 7, which is wirelessly connected to the exhaust fan 6. The frequency conversion controller 7 transmits a control signal to the exhaust fan 6 to adjust the negative pressure exhaust wind speed.
[0041] In this embodiment, there is no specific restriction on the location of the frequency conversion controller 7. The frequency conversion controller 7 can be set on the transparent cover 2 or the sliding door 9, or can be set to be handheld so that relevant personnel can remotely control the exhaust fan 6.
[0042] In addition, in this embodiment, since the volatilization of insulating paint is closely related to temperature (that is, the higher the temperature inside the shell cover 4, the greater the amount of VOCs generated), a temperature sensor can be further arranged in the shell cover 4. The temperature sensor detects the temperature inside the shell cover 4. The temperature sensor is wirelessly connected to the exhaust fan 6 and transmits a control signal to the exhaust fan 6 according to the detected temperature, so that the negative pressure exhaust wind speed increases as the temperature inside the shell cover 4 rises, so as to ensure that VOCs can be discharged from the shell cover 4 more thoroughly.
[0043] The implementation principle of the embodiment of the present application is: when VOCs volatilize, since the shell cover 4 and the transparent cover 2 are combined and covered in the paint tank 3, the paint tank 3 is double-sealed. When VOCs are generated in the paint tank 3, through the action of the exhaust fan 6, the VOCs will enter the exhaust duct 1 from the ventilation duct 5, and then be discharged from the shell cover 4. The VOCs in multiple shell covers 4 are gathered to the exhaust duct 1 through the ventilation duct 5, and are centrally treated by the purifier 8, so that the VOCs generated during the production of enameled wire are better purified and removed, thereby preventing VOCs from being inhaled by relevant staff and protecting relevant staff.
[0044] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A VOCs treatment device for a paint tank of an enameling machine, characterized in that: The invention comprises an exhaust duct (1) and a plurality of transparent covers (2), wherein the plurality of transparent covers (2) are arranged in a one-to-one correspondence with the plurality of paint tanks (3), and each of the plurality of transparent covers (2) is provided with a shell cover (4) which is arranged on the corresponding paint tank (3), and a ventilation duct (5) is installed on the shell cover (4), one end of the ventilation duct (5) is connected to the shell cover (4), and the other end of the ventilation duct (5) extends out of the transparent cover (2) and is connected to the exhaust duct (1), so as to discharge VOCs from the shell cover (4).
2. The VOCs treatment device for the paint tank of an enameling machine according to claim 1 is characterized in that: The ventilation duct (5) comprises a ventilation main pipe (51) and a plurality of ventilation branch pipes (52), wherein the plurality of ventilation branch pipes (52) are arranged in sequence along the length direction of the shell cover (4), one end of the plurality of ventilation branch pipes (52) are all connected to the ventilation main pipe (51), and the other end of the plurality of ventilation branch pipes (52) are all connected to the shell cover (4).
3. A VOCs treatment device for a paint tank of an enameling machine according to claim 2, characterized in that: The ventilation branch pipe (52) is made of a square tube.
4. A VOCs treatment device for a paint tank of an enameling machine according to claim 2 or 3, characterized in that: The number of the ventilation branch pipes (52) is two, and the two ventilation branch pipes (52) are arranged opposite to each other at two ends of the shell cover (4).
5. The VOCs treatment device for the paint tank of an enameling machine according to claim 2 is characterized in that: The ventilation main pipe (51) is provided with an exhaust fan (6).
6. The VOCs treatment device for the paint tank of an enameling machine according to claim 5 is characterized in that: It also comprises a frequency conversion controller (7), wherein the frequency conversion controller (7) is connected to the exhaust fan (6) and is used to control the power of the exhaust fan (6).
7. The VOCs treatment device for the paint tank of an enameling machine according to claim 1 is characterized in that: A purifier (8) is provided at the output end of the exhaust pipe (1).
8. The VOCs treatment device for a paint tank of an enameling machine according to claim 1 is characterized in that: An operating opening (21) is provided on the transparent cover (2), and a sliding door (9) is slidably connected to the transparent cover (2) so as to be able to close the operating opening (21).