CN216988454U - Novel air curtain device applicable to straight-through drying room of coating production line - Google Patents
Novel air curtain device applicable to straight-through drying room of coating production line Download PDFInfo
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- CN216988454U CN216988454U CN202220237221.0U CN202220237221U CN216988454U CN 216988454 U CN216988454 U CN 216988454U CN 202220237221 U CN202220237221 U CN 202220237221U CN 216988454 U CN216988454 U CN 216988454U
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Abstract
The utility model discloses an air curtain device, which adopts a modular design and comprises an air curtain section and a hot gas overflow recovery section for hot gas overflow recovery, wherein the tops of the hot gas overflow recovery section and the air curtain section are provided with a hot top chamber body, the side part of the hot top chamber body is provided with an air inlet, a hot top inner cavity of the hot top chamber body forms a front section and a rear section from the air inlet to the tail end, the front hot top inner cavity is provided with a bypass air port, and the rear hot top inner cavity is provided with a flow equalizing plate; the upper part of the filter chamber is provided with a filtered hot air supply port for supplying filtered hot air into an air duct at the top in the air curtain section, and the filtered hot air is supplied into the air curtain section chamber body after entering an adjustable long seam type inclined air port and finally discharged through an air outlet arranged outside the top of the hot air overflow recovery section chamber body. In the utility model, hot air is in the hot top inner cavity, part of the hot air bypasses and directly enters the filter chamber, a small amount of the hot air flows in the rear section of the hot top inner cavity, the hot top temperature is maintained to avoid condensation, the air pressure loss is reduced, and the air sealing effect of the long-slit inclined air opening is ensured.
Description
Technical Field
The utility model relates to the technical field of air curtains, in particular to a novel low-overflow air curtain device capable of being applied to independent self-control circulation of a straight-through drying room inlet and outlet chamber body of a coating production line.
Background
The straight-through drying room is one of typical structures of drying rooms of automobile coating production lines, workpieces continuously enter and exit from a drying room body in a continuous production mode, an entrance rolling door and an exit rolling door are in an open state, hot air easily overflows from the tops of entrance and exit door openings due to the positive pressure effect and the buoyancy effect of hot air of the drying room, heat loss is caused, the door opening plates are smoked yellow, and meanwhile, the heat load fluctuation of functional areas close to the entrance and the exit is caused, and the furnace temperature curve quality of the drying room is influenced.
At present, a top-blowing air curtain commonly used for an inlet air curtain and an outlet air curtain of a drying chamber body of an automobile coating production line at home and abroad adopts a long-slit inclined air opening with adjustable size to reversely feed high-temperature hot air at the upper side back into the chamber body, and simultaneously, partial fresh air sucked at the lower side is fed into the chamber body. The phenomenon of hot air overflow of the inlet and outlet air curtain section chamber bodies is a common problem, and door opening plates with different degrees are yellow and even condensed oil is condensed according to debugging effect and production operation fluctuation difference.
Therefore, on the premise of ensuring the functional reliability of the air curtain, the air flow structure is optimized, the air sealing effect of the air curtain is strengthened, the hot air overflow phenomenon is reduced, and the key problem that the through type drying chamber of the coating production line needs to be improved urgently is formed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an air curtain device aiming at the technical defects in the prior art, which is a novel low-overflow air curtain device with independent self-control circulation, has a compact structure, is easy to debug and maintain, and can realize low overflow of hot air and even no overflow.
The technical scheme adopted for realizing the purpose of the utility model is as follows:
an air curtain device adopts a modular design and comprises an air curtain section and a hot air overflow recovery section for hot air overflow recovery, wherein the tops of the hot air overflow recovery section and the air curtain section are provided with a hot top chamber body, the side part of the hot top chamber body is provided with an air inlet, a hot top inner cavity with the hot top chamber body forms a front section and a rear section from the air inlet to the tail end, the front hot top inner cavity is provided with a bypass air port for leading hot air to directly flow into a filter chamber in advance, and a flow equalizing plate is arranged in the rear hot top inner cavity and used for leading the hot air entering from the front hot top inner cavity to be uniformly dispersed and then flow into the filter chamber through the air port;
the filter chamber is internally provided with a filter, the upper part of the filter chamber is provided with a filtered hot air supply port for supplying hot air filtered by the filter into an air duct formed at the top in the air curtain section, the hot air is guided into an adjustable long-slit inclined air port and then is supplied into the air curtain section chamber body, and the hot air is discharged from an air outlet arranged outside the top of the hot air overflow recovery section chamber body after passing through a middle door hole between the air curtain section and the hot air overflow recovery section chamber body.
Wherein, the filter chamber set up in passageway both sides to set up access door on the filter chamber curb plate, the easy access with change the filter.
Wherein, a profiling portal plate is arranged between the air curtain section and the hot gas overflow recovery section chamber body.
The two air outlets are symmetrically arranged at the top of the hot air overflow recovery section chamber body and avoid the position of the workpiece.
The air curtain section and the hot gas overflow recovery section are connected front and back, one side of the air curtain section is connected with the drying furnace working section, and the other side of the air curtain section is connected with the hot gas overflow recovery section.
In the utility model, hot air is in the hot top inner cavity, part of the hot air directly enters the filter chamber, a small amount of the hot air flows in the rear section of the hot top inner cavity, the hot top temperature is maintained to avoid condensation, the air pressure loss is reduced, and the air sealing effect of the long-slit inclined air port is ensured.
Drawings
Fig. 1 is a schematic structural view of an air curtain device of the present invention.
Fig. 2 is a top view schematically illustrating an air curtain apparatus according to the present invention.
Fig. 3 is a front view of the present invention.
Detailed Description
The utility model is described in further detail below with reference to the figures and specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1-2, the air curtain apparatus according to the embodiment of the present invention includes a hot-top chamber body disposed at the top of an air curtain section and a hot air overflow recovery section, the hot-top chamber body has a hot-top partition plate 2, an upper surface of the hot-top partition plate forms a hot-top inner chamber of the hot-top chamber body, one side of the hot-top inner chamber has an air inlet 1, the hot-top inner chamber forms a front section and a rear section from the air inlet to a terminal, wherein the front section hot-top inner chamber is provided with a bypass air inlet 4 for allowing hot air to directly flow into a filter chamber 6 for treatment in advance, the rest of hot air enters the rear section chamber after passing through the front section chamber, and the rest of hot air is uniformly dispersed in the rear section hot-top inner chamber under the action of a plurality of flow equalizing plates 3 in the section chamber and flows into the filter chamber 6 through an air inlet 5 for treatment.
Wherein, the hot air flowing into the filter chamber 6 is processed by the filter 8 in the filter chamber 6, and then is sent to the top of the air curtain section through a filtered hot air supply port 9 at the upper part of the filter chamber, namely is sent to the air duct 13 formed below the hot top baffle plate, then is sent into the air curtain section chamber body through the adjustable long seam type inclined air port 10 after being guided, and is finally discharged through the air outlet 12 after passing through the air curtain section (air seal section) and the middle door hole of the hot air overflow recovery section (transition section) chamber body.
Wherein, a filter 8 is arranged on one side in the filtering chamber 6, and an access door 7 is arranged on a side plate of the filtering chamber, so that the filter 8 is convenient to overhaul and replace.
The air duct 13 formed below the hot top partition board can make hot air form a V-shaped flow track, the adjustable long-slit type oblique air opening 10 can be formed by a V-shaped board 14 arranged between two filtering chamber bodies and an inclined board on one side, the inclined board and the V-shaped board extend from the inner side end of one filtering chamber body to the inner side end of the other symmetrical filtering chamber to be stopped, the V-shaped board 14 can be hung on a bottom board of the air duct 13 formed at the top in the air curtain section chamber body through bolts, and the inclined board is supported and installed on the top of the door opening board.
Wherein, a profiling portal plate 11 is arranged between the air curtain section (air seal section) and the hot air overflow recovery section (transition section) chamber body.
Wherein, the bypass tuyere 4 and the tuyere 5 are adjacently arranged, one of the wind flowing into the bypass tuyere and the tuyere flows into from one side of the filter chamber, and the other wind flows into from the adjacent side of the filter chamber. And the filtered hot air inlet 9 is arranged below the hot top clapboard 2.
Wherein, the position of the top of the hot gas overflow recovery section (transition section) chamber body far away from the profiling portal plate is provided with bilateral symmetry air outlets 12 for extracting a small amount of hot air overflowing from the air curtain section (air seal section) in the air collection cavity.
The width of the filter chamber is about 550mm, the filter chamber is symmetrically arranged on two sides, and the internal width of the air curtain section chamber can be reduced by about 1100 m.
Wherein, the width of the long-slit type oblique air opening is 40mm, and is continuously adjustable within the range of +/-20 mm.
In the embodiment of the utility model, the air curtain section (air seal section) is connected with the front part of the hot air overflow recovery section in a combining way, and the hot air overflowing from the air curtain section is collected at the top part of the hot air overflow recovery section and is discharged through the top air outlet 12.
In the embodiment of the utility model, hot air is in the hot top inner cavity, part of the hot air bypasses and directly enters the filter chamber, a small amount of the hot air flows in the rear section of the hot top inner cavity, the hot top temperature is maintained, condensation is avoided, the air pressure loss is reduced, and the air sealing effect of the long-slit inclined air opening is ensured.
In the embodiment of the utility model, the filter is arranged in the filter chamber, and the access door is reserved on the side part of the filter chamber, so that the filter is easy to overhaul and replace.
In the embodiment of the utility model, the filter chambers are symmetrically arranged at two sides of the air curtain section chamber body, namely two sides of the channel, the width is about 550mm, the net width of the channel for the workpiece to pass through is reduced, and the length of the strip-shaped inclined air opening is reduced.
The embodiment of the utility model has an independent operation system, can flexibly adjust the air supply device so as to adjust the air supply quantity of the air seal, can adjust the air quantity of the return air inlet according to the production vehicle type and the productivity, has no proportional relation between the production vehicle type and the productivity, and ensures the application flexibility of the air curtain device.
The embodiment of the utility model adopts a modular design method and can be arranged in an inlet air curtain section chamber body, a middle air curtain section chamber body and an outlet air curtain section chamber body of a drying chamber body.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and adaptations can be made without departing from the principle of the present invention, and such modifications and adaptations should also be considered as the scope of the present invention.
Claims (5)
1. An air curtain device is characterized by adopting a modular design and comprising an air curtain section and a hot air overflow recovery section for hot air overflow recovery, wherein the tops of the hot air overflow recovery section and the air curtain section are provided with a hot top chamber body, the side part of the hot top chamber body is provided with an air inlet, a hot top inner cavity of the hot top chamber body forms a front section and a rear section from the air inlet to the tail end, the front hot top inner cavity is provided with a bypass air port for enabling hot air to directly flow into a filter chamber in advance, and a flow equalizing plate is arranged in the rear hot top inner cavity and used for enabling the hot air entering the front hot top inner cavity to be uniformly dispersed and then flow into the filter chamber through the air ports;
the filter chamber is internally provided with a filter, the upper part of the filter chamber is provided with a filtered hot air supply port for supplying hot air filtered by the filter into an air duct formed at the top in the air curtain section, and the hot air is introduced into the adjustable long-seam type inclined air port and then supplied into the air curtain section chamber body, and is discharged from an air outlet arranged outside the top of the hot air overflow recovery section chamber body after passing through a middle door hole between the air curtain section and the hot air overflow recovery section chamber body.
2. The air curtain apparatus as claimed in claim 1, wherein the filtering chamber is provided at both sides of the passage, and an access door is provided at a side plate of the filtering chamber for easy access and replacement of the filter.
3. The air curtain device as claimed in claim 1, wherein a profiling portal plate is arranged between the air curtain section and the hot gas overflow recovery section chamber body.
4. The air curtain device as claimed in claim 1, wherein the two air outlets are symmetrically arranged at the top of the hot air overflow recycling section chamber body and avoid the position of the workpiece.
5. The air curtain apparatus as claimed in claim 1, wherein the air curtain section and the hot gas overflow recovery section are connected in a front-to-rear direction, one side of the air curtain section is connected to the drying furnace working section, and the other opposite side is connected to the hot gas overflow recovery section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220237221.0U CN216988454U (en) | 2022-01-27 | 2022-01-27 | Novel air curtain device applicable to straight-through drying room of coating production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220237221.0U CN216988454U (en) | 2022-01-27 | 2022-01-27 | Novel air curtain device applicable to straight-through drying room of coating production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216988454U true CN216988454U (en) | 2022-07-19 |
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ID=82391971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220237221.0U Active CN216988454U (en) | 2022-01-27 | 2022-01-27 | Novel air curtain device applicable to straight-through drying room of coating production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216988454U (en) |
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2022
- 2022-01-27 CN CN202220237221.0U patent/CN216988454U/en active Active
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