Paint spraying tail gas VOC waste gas purification device

Abstract

The utility model provides a paint spraying tail gas VOC (volatile organic compound) waste gas purification device, which relates to the technical field of waste gas treatment and comprises a bottom plate, an adsorption cavity is mounted on one side of the top end of the bottom plate, a gas inlet is mounted on one side of the adsorption cavity, an adsorption mechanism is arranged in the adsorption cavity, a spraying cavity is mounted on the other side of the top end of the bottom plate, and a spray nozzle is arranged in the spraying cavity. The combustion chamber is connected with the spraying cavity through a breather pipe, an air outlet is formed in the top end of the spraying cavity, and a spraying mechanism is arranged in the spraying cavity; the adsorption mechanism is arranged in the adsorption cavity, by means of mutual cooperation of an activated carbon adsorption plate, a cover plate, a fixed groove and a movable rail of the adsorption mechanism, paint spraying tail gas can be subjected to adsorption treatment before combustion treatment, benzene series and the like in the paint spraying tail gas can be subjected to adsorption treatment, the effect is better when the paint spraying tail gas is subjected to combustion treatment, and the service life of the paint spraying tail gas is prolonged. And therefore, the practicability of the device in use is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of waste gas treatment technology, and in particular to a VOC waste gas purification device for paint spraying exhaust. Background Technology

[0002] With economic development and continuous improvement of technology, my country's automobile industry has developed very rapidly. Car lights are one of the most important accessories for automobiles. Car lights need to be installed with brackets when in use. When processing car light brackets, they need to be painted. Painting will generate a lot of VOC exhaust gas, so purification devices are needed to purify the VOC exhaust gas.

[0003] However, existing purification devices employ various methods. When using combustion to purify VOC exhaust gas, it is inconvenient to adsorb the waste gas before combustion, resulting in the emission of substances that are difficult to burn completely, causing air pollution. Furthermore, VOC exhaust gas may produce secondary pollutants during combustion, which are difficult to adsorb and remove in advance, thus reducing the practicality of the device. Therefore, this utility model proposes a VOC exhaust gas purification device for paint spraying to solve the above problems. Summary of the Invention

[0004] To address the aforementioned problems, this utility model proposes a VOC exhaust gas purification device for paint spraying, which solves the problem in the prior art that it is inconvenient to adsorb and treat the waste gas before combustion, resulting in the emission of substances in the exhaust gas that are difficult to burn completely, causing pollution to the air environment. Moreover, VOC exhaust gas may produce secondary pollutants during combustion, which are inconvenient to adsorb and remove in advance.

[0005] To achieve the purpose of this utility model, the utility model is implemented through the following technical solution: a VOC exhaust gas purification device for paint spraying, including a base plate, an adsorption chamber installed on one side of the top of the base plate, an air inlet installed on one side of the adsorption chamber, an adsorption mechanism installed inside the adsorption chamber, a combustion chamber installed at the middle position of the top of the base plate, the adsorption chamber and the combustion chamber support connected by a vent pipe, a spray chamber installed on the other side of the top of the base plate, the combustion chamber and the spray chamber connected by a vent pipe, an air outlet installed at the top of the spray chamber, and a spray mechanism installed inside the spray chamber;

[0006] The adsorption mechanism includes an activated carbon adsorption plate, a cover plate, a fixing groove, and a movable rail. The activated carbon adsorption plate is installed inside the adsorption chamber. The top of the activated carbon adsorption plate is fitted with a cover plate. Fixing grooves are provided on both sides inside the activated carbon adsorption plate. A movable rail is provided inside the fixing groove. One end of the movable rail is connected to one end of the activated carbon adsorption plate.

[0007] A further improvement is that the inner diameter of the fixed groove is larger than the outer diameter of the movable rail, and the fixed groove and the movable rail form a sliding structure.

[0008] A further improvement is that two activated carbon adsorption plates are arranged inside the adsorption chamber, and the two activated carbon adsorption plates are symmetrically distributed about the central axis of the adsorption chamber.

[0009] A further improvement is made in that: the spraying mechanism includes a liquid storage chamber, a pump, a delivery pipe, a nozzle, and a power structure. The liquid storage chamber is installed at the bottom of the base plate. A pump is installed on one side of the spraying chamber. Delivery pipes are installed at both ends of the pump. One end of the delivery pipe extends into the interior of the liquid storage chamber. The nozzle is installed at the top inside the spraying chamber. One end of the delivery pipe is connected to one end of the nozzle. A power structure is provided above one side of the spraying chamber.

[0010] A further improvement is made in that: the power structure includes an installation cavity, a telescopic cylinder, a transmission rack, a transmission gear, and a limiting structure. The installation cavity is installed above one side of the spray cavity. The telescopic cylinder is installed inside the installation cavity. A transmission rack is installed at one end of the telescopic cylinder. A transmission gear meshes above the transmission rack. One end of the transmission gear is connected to one side of the spray head.

[0011] A further improvement is that the limiting structure includes a limiting groove and a limiting block. The limiting groove is opened at the bottom inside the mounting cavity, and the limiting block is provided inside the limiting groove. The top end of the limiting block is connected to the bottom end of the transmission rack.

[0012] The beneficial effects of this utility model are as follows: By setting an adsorption mechanism inside the adsorption chamber, and utilizing the cooperation between the activated carbon adsorption plate, cover plate, fixed groove, and movable rail of the adsorption mechanism, the paint spraying exhaust gas can be adsorbed before combustion treatment. This adsorption process can remove benzene compounds and other substances from the paint spraying exhaust gas, resulting in better combustion treatment and greatly improving the practicality of the device. Furthermore, by setting a spraying mechanism inside the spraying chamber, and utilizing the cooperation between the liquid storage chamber, pump, delivery pipe, nozzle, mounting chamber, telescopic cylinder, transmission rack, transmission gear, limiting groove, and limiting block of the spraying mechanism, the gas can be sprayed and purified. This allows for multiple purification treatments of the paint spraying exhaust gas, resulting in better treatment effects and greatly improving the overall versatility of the device. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the overall structure of the adsorption mechanism of this utility model;

[0015] Figure 3 This is a schematic diagram of the overall structure of the spraying mechanism of this utility model;

[0016] Figure 4 This is a cross-sectional schematic diagram of the power structure of this utility model.

[0017] The components are as follows: 1. Base plate; 2. Adsorption chamber; 3. Air inlet; 4. Combustion chamber; 5. Ventilation pipe; 6. Spray chamber; 7. Air outlet; 8. Liquid storage chamber; 9. Material pump; 10. Liquid delivery pipe; 11. Nozzle; 12. Mounting chamber; 13. Telescopic cylinder; 14. Transmission rack; 15. Transmission gear; 16. Limiting groove; 17. Limiting block; 18. Activated carbon adsorption plate; 19. Cover plate; 20. Fixing groove; 21. Movable rail. Detailed Implementation

[0018] To deepen the understanding of this utility model, the following detailed description will be provided in conjunction with embodiments. These embodiments are only used to explain this utility model and do not constitute a limitation on the scope of protection of this utility model.

[0019] according to Figure 1 , 2 As shown in Figures 3 and 4, this embodiment proposes a VOC exhaust gas purification device for paint spraying, including a base plate 1. An adsorption chamber 2 is installed on one side of the top of the base plate 1, and an air inlet 3 is installed on one side of the adsorption chamber 2. An adsorption mechanism is provided inside the adsorption chamber 2. A combustion chamber 4 is installed at the middle position of the top of the base plate 1. The adsorption chamber 2 and the combustion chamber 4 are connected by a ventilation pipe 5. A spray chamber 6 is installed on the other side of the top of the base plate 1. The combustion chamber 4 and the spray chamber 6 are connected by a ventilation pipe 5. An air outlet 7 is installed at the top of the spray chamber 6, and a spraying mechanism is provided inside the spray chamber 6.

[0020] The adsorption mechanism includes an activated carbon adsorption plate 18, a cover plate 19, a fixing groove 20, and a movable rail 21. The activated carbon adsorption plate 18 is installed inside the adsorption chamber 2. The top of the activated carbon adsorption plate 18 is fitted with the cover plate 19. Fixing grooves 20 are formed on both sides inside the activated carbon adsorption plate 18. A movable rail 21 is arranged inside the fixing groove 20. One end of the movable rail 21 is connected to one end of the activated carbon adsorption plate 18. The inner diameter of the fixing groove 20 is larger than the outer diameter of the movable rail 21. A sliding structure is formed between the fixing groove 20 and the movable rail 21. Two activated carbon adsorption plates 18 are arranged inside the adsorption chamber 2. The two activated carbon adsorption plates 18 are symmetrically distributed about the central axis of the adsorption chamber 2. In use, exhaust gases such as VOCs from paint spraying are introduced into the adsorption chamber 2 through the air inlet 3. The gas enters the combustion chamber 4 through the vent pipe 5 after being adsorbed by the activated carbon adsorption plate 18. The activated carbon adsorption plate 18 can adsorb some benzene series substances in the exhaust gas. When the activated carbon adsorption plate 18 needs to be replaced after long-term use, the activated carbon adsorption plate 18 is taken out from the inside of the adsorption chamber 2 by using the cooperation of the fixed groove 20 and the movable rail 21. Then, the new activated carbon adsorption plate 18 is taken out and installed by using the cooperation of the fixed groove 20 and the movable rail 21. The adsorption chamber 2 is sealed by the cover plate 19, which completes the convenient installation of the activated carbon adsorption plate 18. It can adsorb and treat the paint spray exhaust gas before combustion treatment, and can adsorb benzene series substances in the paint spray exhaust gas, so that the paint spray exhaust gas has a better effect during combustion treatment, thereby greatly improving the practicality of the device in use.

[0021] The spraying mechanism includes a liquid storage chamber 8, a pump 9, a delivery pipe 10, a nozzle 11, and a power structure. The liquid storage chamber 8 is installed at the bottom of the base plate 1. The pump 9 is installed on one side of the spraying chamber 6, and the delivery pipes 10 are installed at both ends of the pump 9. One end of the delivery pipe 10 extends into the interior of the liquid storage chamber 8. The nozzle 11 is installed at the top inside the spraying chamber 6, and one end of the delivery pipe 10 is connected to one end of the nozzle 11. A power structure is located above one side of the spraying chamber 6. The power structure includes a mounting cavity 12, a telescopic cylinder 13, a transmission rack 14, a transmission gear 15, and a limiting structure. The mounting cavity 12 is installed above one side of the spraying chamber 6. The telescopic cylinder 13 is installed inside the mounting cavity 12, and the transmission rack 14 is installed at one end of the telescopic cylinder 13. A transmission gear 15 is meshed above the nozzle 14. One end of the transmission gear 15 is connected to one side of the nozzle 11. In use, the pump 9 is started to draw the spray liquid inside the storage chamber 8 into the nozzle 11 through the pump 9 and the delivery pipe 10. The nozzle 11 sprays the liquid out to treat the exhaust gas. At this time, the telescopic cylinder 13 is started and, under the limit of the limiting groove 16 and the limiting block 17, the telescopic cylinder 13 drives the transmission rack 14 to move. Since the transmission rack 14 and the transmission gear 15 mesh with each other, the transmission gear 15 drives the nozzle 11 to rotate, which in turn drives the nozzle 11 to swing. This allows the nozzle 11 to spray the exhaust gas evenly and perform multiple purification treatments on the paint exhaust gas, resulting in better treatment of the paint exhaust gas and greatly improving the overall effectiveness of the device.

[0022] The limiting structure includes a limiting groove 16 and a limiting block 17. The limiting groove 16 is located at the bottom inside the mounting cavity 12. The limiting block 17 is provided inside the limiting groove 16. The top end of the limiting block 17 is connected to the bottom end of the transmission rack 14. In use, the mutual cooperation between the limiting groove 16 and the limiting block 17 can limit the movement of the transmission rack 14, making the transmission rack 14 more stable when moving.

[0023] Working principle: First, the operator introduces paint exhaust gas (VOCs) and other waste gases into the adsorption chamber 2 through the air inlet 3. The gas passes through the activated carbon adsorption plate 18 and enters the combustion chamber 4 through the air pipe 5. The activated carbon adsorption plate 18 adsorbs some benzene compounds in the waste gas. Then, the combustion chamber 4 is activated to fully combust the VOCs. Finally, the gas enters the spray chamber 6 through the air pipe 5. At this point, the pump 9 is activated, drawing the spray liquid from the storage chamber 8 into the nozzle 11 via the pump 9 and the delivery pipe 10. The spray liquid is then sprayed out from the nozzle 11 to treat the waste gas. Simultaneously, the telescopic cylinder 13 is activated, and under the control of the limiting groove 16 and the limiting block 17... The telescopic cylinder 13 drives the transmission rack 14 to move. Since the transmission rack 14 and the transmission gear 15 mesh with each other, the transmission gear 15 drives the nozzle 11 to rotate, which in turn drives the nozzle 11 to swing, so that the nozzle 11 can spray the exhaust gas evenly. Finally, the exhaust gas is discharged from the outlet 7. When the activated carbon adsorption plate 18 needs to be replaced after long-term use, the activated carbon adsorption plate 18 is taken out from the inside of the adsorption chamber 2 by using the cooperation of the fixed groove 20 and the movable rail 21. Then, the new activated carbon adsorption plate 18 is taken out, and the activated carbon adsorption plate 18 is installed by using the cooperation of the fixed groove 20 and the movable rail 21. The adsorption chamber 2 is sealed by the cover plate 19.

[0024] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A VOC exhaust gas purification device for paint spraying, comprising a base plate (1), characterized in that: An adsorption chamber (2) is installed on one side of the top of the base plate (1), and an air inlet (3) is installed on one side of the adsorption chamber (2). An adsorption mechanism is provided inside the adsorption chamber (2). A combustion chamber (4) is installed at the middle position of the top of the base plate (1). The adsorption chamber (2) and the combustion chamber (4) support are connected by a vent pipe (5). A spray chamber (6) is installed on the other side of the top of the base plate (1). The combustion chamber (4) and the spray chamber (6) are connected by a vent pipe (5). An air outlet (7) is installed at the top of the spray chamber (6). A spray mechanism is provided inside the spray chamber (6). The adsorption mechanism includes an activated carbon adsorption plate (18), a cover plate (19), a fixing groove (20), and a movable rail (21). The activated carbon adsorption plate (18) is installed inside the adsorption chamber (2). The top of the activated carbon adsorption plate (18) is equipped with a cover plate (19). Fixing grooves (20) are opened on both sides inside the activated carbon adsorption plate (18). A movable rail (21) is provided inside the fixing groove (20). One end of the movable rail (21) is connected to one end of the activated carbon adsorption plate (18).

2. The VOC exhaust gas purification device for paint spraying as described in claim 1, characterized in that: The inner diameter of the fixed groove (20) is larger than the outer diameter of the movable rail (21), and the fixed groove (20) and the movable rail (21) form a sliding structure.

3. The VOC exhaust gas purification device for paint spraying as described in claim 2, characterized in that: Two activated carbon adsorption plates (18) are arranged inside the adsorption chamber (2), and the two activated carbon adsorption plates (18) are symmetrically distributed about the central axis of the adsorption chamber (2).

4. The VOC exhaust gas purification device for paint spraying as described in claim 1, characterized in that: The spraying mechanism includes a liquid storage chamber (8), a pump (9), a delivery pipe (10), a nozzle (11), and a power structure. The liquid storage chamber (8) is installed at the bottom of the base plate (1). The pump (9) is installed on one side of the spraying chamber (6). The delivery pipe (10) is installed at both ends of the pump (9). One end of the delivery pipe (10) extends into the interior of the liquid storage chamber (8). The nozzle (11) is installed at the top inside the spraying chamber (6). One end of the delivery pipe (10) is connected to one end of the nozzle (11). A power structure is provided above one side of the spraying chamber (6).

5. The VOC exhaust gas purification device for paint spraying as described in claim 4, characterized in that: The power structure includes an installation cavity (12), a telescopic cylinder (13), a transmission rack (14), a transmission gear (15), and a limiting structure. The installation cavity (12) is installed above one side of the spray cavity (6). The telescopic cylinder (13) is installed inside the installation cavity (12). A transmission rack (14) is installed at one end of the telescopic cylinder (13). A transmission gear (15) meshes above the transmission rack (14). One end of the transmission gear (15) is connected to one side of the nozzle (11).

6. The VOC exhaust gas purification device for paint spraying as described in claim 5, characterized in that: The limiting structure includes a limiting groove (16) and a limiting block (17). The limiting groove (16) is located below the interior of the mounting cavity (12). The limiting block (17) is provided inside the limiting groove (16). The top end of the limiting block (17) is connected to the bottom end of the transmission rack (14).

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