Paint spraying heating device with waste gas recovery function

By setting up an adsorption chamber and sponge plate in the paint heating device to adsorb and treat impurities in the exhaust gas, the problems of impurities blocked and purifier burden in the existing devices are solved, and a longer service life and lower maintenance costs are achieved.

CN222753571UActive Publication Date: 2025-04-15GUANGZHOU INFITECH MECHANICAL & ELECTRICAL EQUIP CO LTD
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Patent Information

Application Number
CN202421691469.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2025-04-15
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

The existing paint heating devices lack the function of recycling impurities in the exhaust gas, which causes impurities to easily adhere to the surface of the filter structure and cause blockage, which increases the burden on the exhaust gas purifier and affects the service life and cost of the device.

Method used

A paint heating device with waste gas recovery is designed. By setting up an adsorption chamber and a sponge plate in the paint heating chamber, the sponge plate in the adsorption chamber can absorb impurities such as paint particles in the waste gas to prevent it from adhering to the surface of the filter screen, and harmful substances are adsorbed and filtered through the activated carbon particle filter chamber.

Benefits of technology

Effectively collect and treat impurities in the exhaust gas, avoid impurities from clogging the filter structure, reduce the workload of the exhaust gas purifier, extend the service life of the device and reduce maintenance costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222753571U_ABST
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Abstract

The utility model discloses a spray paint heating device with a waste gas recovery function, and relates to the technical field of spray paint drying equipment. According to the paint spraying heating device with the waste gas recovery function, waste gas enters the adsorption bin along with airflow, impurities such as paint particles in the waste gas are removed after the waste gas is adsorbed and filtered through the sponge plate, blockage caused by the fact that the impurities adhere to the surface of the filter screen is avoided, when the sponge plate needs to be replaced, the front cover is taken down, the mounting frame is pushed by the push plate to move forwards to the outer side of the adsorption bin, and the sponge plate is replaced; after a new sponge plate is placed on the inner side of the mounting frame, the mounting frame is mounted back to the front end of the push plate, then the front cover is mounted back to the front end of the mounting frame, at the moment, the insertion rod is inserted into the sponge plate, anchoring of the sponge plate is achieved, then the front cover is pushed to drive the mounting frame to reset, and when activated carbon particles need to be replaced, the sealing cover at the lower end is taken down. The activated carbon particles are discharged out of the filtering bin along the inclination angle of the bottom of the filtering bin, then the sealing cover at the lower end is covered, and feeding can be conducted from the sealing cover at the upper end.
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Description

Technical Field

[0001] The utility model relates to the technical field of paint spraying and drying equipment, in particular to a paint spraying heating device with waste gas recovery. Background Art

[0002] Painting is a processing method that uses a spray gun to atomize paint and apply it to the surface of an object. The functions of painting mainly include protection, decoration, and special uses such as sound insulation, heat insulation, and fire prevention. During the painting process, the workpiece needs to be heated, which involves the use of a paint heating device.

[0003] For example, patent number CN109013243A discloses a heating device for drying painted parts, including a paint spraying room, the outside of which is provided with a blower and an electric heater for providing hot air to the paint spraying room, the blower and the electric heater are connected to the top of the paint spraying room through an air inlet duct, the electric heater is located in the air inlet duct, the air outlet of the blower is sealed and connected to the air inlet duct, an air outlet duct connected to the paint spraying room is provided at the bottom of the paint spraying room, the air outlet of the air outlet duct is connected to a plasma exhaust gas purifier, and the air outlet of the plasma exhaust gas purifier is connected to the air inlet of the blower through a circulation duct. The device has an air outlet duct provided at the bottom of the paint spraying room, and the air outlet duct is connected to a plasma exhaust gas purifier. The plasma exhaust gas purifier can decompose the paint mist exhaust gas in the paint spraying room in a very short time, and various subsequent reactions occur to achieve the purpose of degrading pollutants, so that the exhaust gas in the paint spraying room can be discharged up to the standard, reducing environmental pollution;

[0004] The paint spray heating device in this patent lacks the function of recovering impurities in the exhaust gas. Impurities such as paint particles contained in the exhaust gas are easy to adhere to the surface of the filter structure and cause blockage, resulting in the need for frequent cleaning and replacement of the filter structure, and a heavy burden is imposed on the exhaust gas purifier, affecting the service life and use cost of the device. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a paint spray heating device with exhaust gas recovery, which solves the problem that the paint spray heating device lacks the function of recovering impurities in the exhaust gas. Impurities such as paint particles contained in the exhaust gas are easily adhered to the surface of the filter structure and cause blockage, resulting in the need for frequent cleaning and replacement of the filter structure, and a heavy burden on the exhaust gas purifier, affecting the service life and use cost of the device.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a paint spraying heating device with waste gas recovery, comprising a paint spraying heating chamber, an adsorption bin is arranged at the left end of the paint spraying heating chamber, a sponge board is arranged on the inner side of the adsorption bin, an installation frame is arranged on the outer side of the sponge board, a front cover is arranged on the front side of the adsorption bin, a push plate is arranged on the rear side of the adsorption bin, the rear end of the front cover and the front end of the push plate are fixedly installed with the same plug rod, a filter bin is arranged on the left side of the adsorption bin, activated carbon particles are arranged on the inner side of the filter bin, a sealing cover is arranged on the left side of the filter bin, an exhaust gas purifier is arranged on the upper end of the paint spraying heating chamber, a blower is arranged on the right side of the exhaust gas purifier, a heating bin is arranged on the right side of the blower, and an air inlet duct is arranged on the right end of the heating bin.

[0007] Preferably, the right end of the adsorption bin and the inner side of the paint spraying heating chamber are connected to each other, and a number of sponge boards are arranged at equal intervals on the inner side of the adsorption bin. The mounting frame and the outer sides of the sponge boards are adapted to each other and are slidably connected to the inner side of the adsorption bin through a slide groove. The outer sides of the front and rear ends of the mounting frame are sealed and connected to the adsorption bin through a sealing strip, which is convenient for adsorption of impurities in the exhaust gas.

[0008] Preferably, the rear end of the front cover and the front end of the push plate extend to the inner side of the adsorption bin through the through groove, and are sealed and connected to the inner side of the through groove. The rear side of the front cover and the front side of the mounting frame fit together, and the front side of the push plate and the rear side of the mounting frame fit together, which facilitates pushing the mounting frame to move.

[0009] Preferably, both the front and rear sides of the installation frame are provided with insertion holes, and the insertion rod is slidably connected to the inner side of the insertion hole, so as to facilitate the installation of the sponge board.

[0010] Preferably, two sealing covers are symmetrically arranged in an upper and lower manner and are sealed to the left side of the filter bin. The lower end of the inner side of the filter bin is designed with an inclined structure to facilitate the replacement of activated carbon particles.

[0011] Preferably, an air inlet is provided on the right side of the filter bin, and the air inlet is fixedly connected to the left side of the adsorption bin by bolts and is connected to the adsorption bin. An exhaust port is provided at the upper end of the filter bin, and the exhaust port and the input end of the exhaust purifier are connected to each other through a pipeline. Filters are provided on the inner sides of the air inlet and the exhaust port to facilitate sufficient filtering of the exhaust gas.

[0012] Preferably, the output end of the exhaust gas purifier and the input end of the fan are connected to each other through a pipe, the output end of the fan and the inner side of the heating chamber are connected to each other, a heating pipe is provided on the inner side of the heating chamber, the upper end of the air inlet duct and the heating chamber are connected to each other, and the lower end of the air inlet duct and the inner side of the paint spraying heating chamber are connected to each other, thereby realizing circulating heating treatment of the air in the paint spraying heating chamber.

[0013] The utility model provides a paint spraying heating device with waste gas recovery. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The paint spraying heating device with waste gas recovery is provided with a paint spraying heating chamber, an adsorption chamber and a sponge board. The waste gas generated by heating in the paint spraying heating chamber enters the adsorption chamber with the airflow, and is adsorbed and filtered by the sponge board to collect impurities such as paint particles, thereby preventing impurities from adhering to the surface of the filter and causing blockage, and at the same time reducing the workload of the waste gas purifier.

[0015] 2. The paint spray heating device with waste gas recovery is provided with a sponge board, a mounting frame, a jack, a front cover, a push plate, and an insertion rod. After the front cover is removed, the mounting frame is pushed forward to the outside of the adsorption bin by the push plate, and the mounting frame can be removed from the front end of the push plate to replace the sponge board, which is convenient for the recovery of impurities in the waste gas. After the new sponge board is placed inside the mounting frame, the mounting frame is installed back to the front end of the push plate, and then the front cover is installed back to the front end of the mounting frame. At this time, the insertion rod is inserted into the interior of the sponge board through the jack to anchor the sponge board, and then the front cover is pushed to drive the mounting frame to reset, which is convenient and quick.

[0016] 3. The paint spray heating device with waste gas recovery is provided with a filter bin, activated carbon particles and a sealing cover. When the activated carbon particles need to be replaced, the sealing cover at the lower end is removed to allow the activated carbon particles to be discharged from the filter bin along the inclination angle of the bottom of the filter bin, and then the sealing cover at the lower end is put back, and the activated carbon particles can be loaded from the sealing cover at the upper end. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0018] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0019] Figure 3 The three-dimensional structure of the sponge board, installation frame, front cover and push plate of the utility model is shown in FIG. Figure 1 ;

[0020] Figure 4 The three-dimensional structure of the sponge board, installation frame, front cover and push plate of the utility model is shown in FIG. Figure 2 ;

[0021] Figure 5 It is a schematic diagram of the half-section structure of the adsorption chamber and the filtration chamber of the utility model in a front view.

[0022] In the figure: 1. Paint spraying and heating chamber; 2. Adsorption chamber; 3. Sponge board; 4. Mounting frame; 41. Socket; 5. Front cover; 6. Push plate; 7. Insert rod; 8. Filter chamber; 81. Air inlet; 82. Exhaust port; 9. Activated carbon granules; 10. Sealing cover; 11. Exhaust gas purifier; 12. Fan; 13. Heating chamber; 14. Air inlet duct. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5 The utility model provides a technical solution: a paint spraying heating device with waste gas recovery, comprising a paint spraying heating chamber 1, an adsorption bin 2 is arranged at the left end of the paint spraying heating chamber 1, a sponge board 3 is arranged on the inner side of the adsorption bin 2, a mounting frame 4 is arranged on the outer side of the sponge board 3, the right end of the adsorption bin 2 and the inner side of the paint spraying heating chamber 1 are connected to each other, a plurality of sponge boards 3 are arranged at equal intervals on the inner side of the adsorption bin 2, the mounting frame 4 and the outer side of the sponge board 3 are adapted to each other, and are slidably connected to the inner side of the adsorption bin 2 through a slide groove, the outer sides of the front and rear ends of the mounting frame 4 and the adsorption bin 2 are sealed and connected through a sealing strip, a front cover 5 is arranged on the front side of the adsorption bin 2, and a push plate 6 is arranged on the rear side of the adsorption bin 2, the rear end of the front cover 5 and the front end of the push plate 6 are extended to the inner side of the adsorption bin 2 through the through groove, and are sealed with the inner side of the through groove. The rear side of the front cover 5 and the front side of the mounting frame 4 are fitted together, and the front side of the push plate 6 and the rear side of the mounting frame 4 are fitted together. The rear end of the front cover 5 and the front end of the push plate 6 are fixedly installed with the same plug rod 7. Plug holes 41 are provided on the front and rear sides of the mounting frame 4. The plug rod 7 and the inner side of the plug hole 41 are slidably connected. When the sponge board 3 needs to be replaced, the front cover 5 is removed, and the mounting frame 4 is pushed forward to the outside of the adsorption bin 2 by the push plate 6. The mounting frame 4 can be removed from the front end of the push plate 6, and the sponge board 3 can be replaced. After the new sponge board 3 is placed inside the mounting frame 4, the mounting frame 4 is installed back to the front end of the push plate 6, and then the front cover 5 is installed back to the front end of the mounting frame 4. At this time, the plug rod 7 passes through the plug hole 41 and is inserted into the interior of the sponge board 3 to achieve anchoring of the sponge board 3, and then the front cover 5 is pushed to drive the mounting frame 4 to reset;

[0025] A filter bin 8 is provided on the left side of the adsorption bin 2, and activated carbon particles 9 are provided on the inner side of the filter bin 8. A sealing cover 10 is provided on the left side of the filter bin 8. Two sealing covers 10 are symmetrically provided up and down, and are sealed and connected to the left side of the filter bin 8. The lower end of the inner side of the filter bin 8 is designed with an inclined structure. An exhaust gas purifier 11 is provided at the upper end of the paint spraying and heating chamber 1. An air inlet 81 is provided on the right side of the filter bin 8. The air inlet 81 and the left side of the adsorption bin 2 are fixedly connected by bolts, and are connected to the adsorption bin 2. An exhaust port 82 is provided on the upper end of the filter bin 8. The exhaust port 82 and the input end of the exhaust gas purifier 11 are connected to each other through a pipeline. Filters are provided on the inner sides of the air inlet 81 and the exhaust port 82. When the activated carbon particles 9 need to be replaced, the sealing cover 10 at the lower end is removed to discharge the activated carbon particles 9 from the filter bin 8 along the bottom inclination of the filter bin 8, and then the sealing cover 10 at the lower end is covered again, and the activated carbon particles 9 can be fed from the upper sealing cover 10;

[0026] A blower 12 is arranged on the right side of the exhaust gas purifier 11, a heating chamber 13 is arranged on the right side of the blower 12, an air inlet duct 14 is arranged at the right end of the heating chamber 13, the output end of the exhaust gas purifier 11 and the input end of the blower 12 are connected to each other through a pipeline, the output end of the blower 12 and the inner side of the heating chamber 13 are connected to each other, a heating pipe is arranged on the inner side of the heating chamber 13, the upper end of the air inlet duct 14 and the heating chamber 13 are connected to each other, the lower end of the air inlet duct 14 and the inner side of the paint spraying heating chamber 1 are connected to each other, the airflow is driven by the operation of the blower 12 to be input into the heating chamber 13 for heating, and the air is heated from the air inlet duct 14 The exhaust gas generated by the heating in the paint spraying heating chamber 1 enters the adsorption chamber 2 with the airflow, and is adsorbed and filtered by the sponge board 3 to remove impurities such as paint particles, thereby preventing impurities from adhering to the filter surface and causing blockage. At the same time, the workload of the exhaust gas purifier 11 is reduced. The airflow enters the filter chamber 8 from the air inlet 81, and after the harmful substances are adsorbed and filtered by the activated carbon particles 9, it enters the exhaust gas purifier 11 for purification treatment, and finally completes the cycle through the input end of the fan 12, thereby realizing the circulation treatment and heating of the gas in the paint spraying heating chamber 1.

[0027] During use, the fan 12 drives the airflow to be input into the heating chamber 13 for heating, and then inputs the airflow into the paint spraying heating chamber 1 from the air inlet duct 14, so as to realize the heating of the paint spraying heating chamber 1. The exhaust gas generated by the heating in the paint spraying heating chamber 1 enters the adsorption chamber 2 with the airflow, and is adsorbed and filtered by the sponge board 3, and the paint particles and other impurities therein are collected to avoid the impurities adhering to the filter surface and causing blockage, and at the same time, the workload of the exhaust gas purifier 11 is reduced. The airflow enters the filter chamber 8 from the air inlet 81, and is adsorbed and filtered by the activated carbon particles 9 for harmful substances, and then enters the exhaust gas purifier 11 for purification treatment, and finally completes the cycle through the input end of the fan 12, so as to realize the circulation treatment and heating of the gas in the paint spraying heating chamber 1. When the sponge board 3 needs to be replaced , remove the front cover 5, push the installation frame 4 forward to the outside of the adsorption bin 2 through the push plate 6, and then remove the installation frame 4 from the front end of the push plate 6, replace the sponge board 3, and facilitate the recovery of impurities in the exhaust gas. After placing the new sponge board 3 into the inner side of the installation frame 4, install the installation frame 4 back to the front end of the push plate 6, and then install the front cover 5 back to the front end of the installation frame 4. At this time, the insertion rod 7 passes through the insertion hole 41 and is inserted into the interior of the sponge board 3 to anchor the sponge board 3, and then push the front cover 5 to drive the installation frame 4 to reset. When the activated carbon particles 9 need to be replaced, remove the sealing cover 10 at the lower end, so that the activated carbon particles 9 are discharged from the filter bin 8 along the bottom inclination of the filter bin 8, and then put the sealing cover 10 at the lower end back, and the activated carbon particles 9 can be loaded from the upper sealing cover 10.

[0028] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A paint spraying heating device with waste gas recovery, comprising a paint spraying heating chamber (1), characterized in that: An adsorption chamber (2) is arranged at the left end of the spray paint heating chamber (1), a sponge plate (3) is arranged on the inner side of the adsorption chamber (2), and a mounting frame (4) is arranged on the outer side of the sponge plate (3); a front cover (5) is arranged on the front side of the adsorption chamber (2), and a push plate (6) is arranged on the rear side of the adsorption chamber (2); the rear end of the front cover (5) and the front end of the push plate (6) are fixedly mounted with the same plug rod (7); a filter chamber (8) is arranged on the left side of the adsorption chamber (2), activated carbon particles (9) are arranged on the inner side of the filter chamber (8), and a sealing cover (10) is arranged on the left side of the filter chamber (8); an exhaust gas purifier (11) is arranged at the upper end of the spray paint heating chamber (1), a blower (12) is arranged on the right side of the exhaust gas purifier (11), a heating chamber (13) is arranged on the right side of the blower (12), and an air inlet duct (14) is arranged at the right end of the heating chamber (13).

2. A paint spraying heating device with waste gas recovery according to claim 1, characterized in that: The right end of the adsorption bin (2) and the inner side of the spray paint heating chamber (1) are connected to each other, a plurality of sponge plates (3) are arranged at equal intervals on the inner side of the adsorption bin (2), the mounting frame (4) and the outer sides of the sponge plates (3) are adapted to each other, and are slidably connected to the inner side of the adsorption bin (2) via a slide groove, and the outer sides of the front and rear ends of the mounting frame (4) are sealed to the adsorption bin (2) via a sealing strip.

3. A paint spraying heating device with waste gas recovery according to claim 1, characterized in that: The rear end of the front cover (5) and the front end of the push plate (6) extend to the inner side of the adsorption bin (2) through the through groove and are sealed to the inner side of the through groove; the rear side of the front cover (5) and the front side of the mounting frame (4) are in contact with each other, and the front side of the push plate (6) and the rear side of the mounting frame (4) are in contact with each other.

4. The paint spraying heating device with waste gas recovery according to claim 1, characterized in that: Insertion holes (41) are provided on both the front and rear sides of the installation frame (4), and the insertion rod (7) is slidably connected to the inner side of the insertion hole (41).

5. The paint spraying heating device with waste gas recovery according to claim 1, characterized in that: Two sealing covers (10) are symmetrically arranged in an upper and lower manner and are sealed to the left side of the filter bin (8). The lower end of the inner side of the filter bin (8) is designed with an inclined structure.

6. The paint spraying heating device with waste gas recovery according to claim 1, characterized in that: An air inlet (81) is provided on the right side of the filter bin (8), the air inlet (81) is fixedly connected to the left side of the adsorption bin (2) by bolts, and is connected to the adsorption bin (2); an exhaust port (82) is provided at the upper end of the filter bin (8), the exhaust port (82) and the input end of the exhaust gas purifier (11) are connected to each other by a pipeline, and filter screens are provided on the inner sides of the air inlet (81) and the exhaust port (82).

7. The paint spraying heating device with waste gas recovery according to claim 1, characterized in that: The output end of the exhaust gas purifier (11) and the input end of the fan (12) are connected to each other via a pipeline, the output end of the fan (12) and the inner side of the heating chamber (13) are connected to each other, a heating pipe is provided on the inner side of the heating chamber (13), the upper end of the air inlet duct (14) and the heating chamber (13) are connected to each other, and the lower end of the air inlet duct (14) and the inner side of the paint spraying heating chamber (1) are connected to each other.

Citation Information

Patent Citations

  • Heating device for drying painted parts

    CN109013243A