Waste gas treatment device for thermosetting powder coating

Abstract

The waste gas treatment device for the thermosetting powder coating comprises a supporting bottom plate, an electric treatment box, a centralized treatment box and a water tank, a first water collecting pipe is installed at the top end in the centralized treatment box, and a flow dividing pipe is connected to one side of a flow collecting pipe. According to the utility model, the water tank is arranged at the side edge of the centralized treatment box, waste gas is fed at the position of the gas inlet, and then the pump body is started to work, so that water flow can be pumped under the connection of the first drainage pipe and flows through the collecting pipe, and the collecting pipe firstly flows to the position of the first water collecting pipe and then flows to the position of the second water collecting pipe; water flow firstly reaches the position above a first water collecting pipe, is filtered by a second filter screen and then is sprayed out by a first spraying head for first-step spraying, then the water flow can be distributed into a second water collecting pipe under distribution of a distribution pipe, and then the water flow is filtered by the first filter screen and sprayed by a second spraying head; in the working process, the overall sufficient spraying capacity is well improved, and the pretreatment effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to a waste gas treatment device for thermosetting powder coatings. Background Art

[0002] Thermosetting powder coatings are powder coatings composed of thermosetting resins, curing agents, pigments, fillers and additives. Thermosetting powder coatings do not contain solvents and are easy to apply. They have excellent adhesion, flexibility, impact resistance, gloss retention, weather resistance, chemical corrosion resistance and excellent electrical insulation, so they are widely used in interior decoration and other fields.

[0003] Based on the processing and production of thermosetting powder coatings, some volatile organic compounds are likely to exist. These compounds will have a negative impact on the environment and human health when entering the air. Therefore, it is necessary to collect such waste gas for centralized treatment. When treating the waste gas, it is necessary to use spray treatment for pre-treatment. If a one-step spraying method is used, it is not easy to fully treat the waste gas, which affects the treatment effect. Utility Model Content

[0004] The purpose of the utility model is to provide a waste gas treatment device for thermosetting powder coatings to solve the problem proposed in the above background technology that when treating waste gas, it is necessary to adopt a spraying treatment method for pre-treatment, and if a one-step spraying method is adopted, it is not easy to fully treat the waste gas, which affects the treatment effect.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a waste gas treatment device for thermosetting powder coatings, comprising a supporting base plate, an electric treatment box, a centralized treatment box, and a water tank, a first collecting pipe is installed at the top of the centralized treatment box, a second filter is installed inside the first collecting pipe, a first spray head is installed at the bottom end of the first collecting pipe, a second collecting pipe is installed near the middle position inside the centralized treatment box, a first filter is installed on one side inside the second collecting pipe, a second spray head is installed at the bottom end of the second collecting pipe, a water inlet is installed on one side of the top of the water tank, a pump body is installed on the other side of the top of the water tank, one end of the pump body is connected to a first drainage pipe, the other end of the pump body is connected to a confluence pipe, and one side of the confluence pipe is connected to a diversion pipe.

[0006] Preferably, one side of the diverter pipe is interconnected with the interior of the second water collecting pipe, the diverter pipe is interconnected with the interior of the converging pipe, and an air inlet is installed at a position near the top of one side of the centralized processing box.

[0007] Preferably, the tail end of the manifold is interconnected with the interior of the first water collecting pipe, the first spray heads are evenly distributed at the bottom end of the first water collecting pipe, and the second spray heads are evenly distributed at the bottom end of the second water collecting pipe.

[0008] Preferably, the tail end of the first drainage pipe extends to the interior of the water tank, the bottom end of the water inlet and the interior of the water tank are connected to each other, and a scale line is installed at one end of the water tank.

[0009] Preferably, an air duct is connected to one side of the centralized processing box, one side of the air duct is interconnected with the interior of the electrical processing box, an electrode plate is installed inside the electrical processing box, and a dust collecting plate is provided at one end of the electrode plate.

[0010] Preferably, a first slag discharge port is installed at one end of the electrical treatment box, a second slag discharge port is installed at one end of the centralized treatment box, a main filter is installed near the bottom end inside the centralized treatment box, and an activated carbon body is provided at the top of the main filter.

[0011] Preferably, a telescopic rod is installed at the top end of the inner wall of the electrical processing box, a cleaning plate is installed at the bottom end of the telescopic rod, and cleaning brushes are evenly installed at the back end of the cleaning plate.

[0012] Preferably, an exhaust port is installed at a position close to the bottom end of one side of the electrical processing box, and a third filter is installed inside the exhaust port.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the exhaust gas treatment device for thermosetting powder coating not only improves the full spraying capacity, but also improves the electrical treatment cleaning capacity and emission capacity of the exhaust gas treatment device;

[0014] (1) By installing the water tank at the side of the centralized treatment box, the exhaust gas intake work is performed at the position of the air inlet, and then after the pump body is started, the water flow can be extracted under the connection of the first drainage pipe, and then circulated through the manifold. The manifold first circulates to the position of the first water collecting pipe, allowing the water flow to first reach the upper position of the first water collecting pipe, and then be filtered by the second filter screen and sprayed by the first spray head to perform the first step of spraying. Then, under the diversion of the diversion pipe, the water flow can be divided into the inside of the second water collecting pipe, and then filtered by the first filter screen and sprayed by the second spray head, thereby completing the second step of spraying. Therefore, during the working process, the overall sufficient spraying capacity is better improved, and the pretreatment effect is improved;

[0015] (2) The gas treated in the centralized treatment box is circulated to the inside of the electric treatment box through the connection of the air duct, and then the electric dust removal process is formed under the cooperation of the dust collecting plate and the electrode plate to further purify the gas. Then, after the telescopic rod works, it can drive the cleaning plate to move. At this time, the cleaning brush at the back end of the cleaning plate can clean the surface of the dust collecting plate, which is convenient for removing dirt. The dirt can be discharged at the position of the first slag discharge port, thereby better improving the overall electric treatment cleaning capacity during the working process;

[0016] (3) The gas after spraying treatment is adsorbed by the activated carbon body, and then the gas is filtered by the main filter and the activated carbon body and then guided through the air duct. The remaining liquid residue is discharged at the second slag discharge port. The gas is treated in the electric treatment box and discharged from the exhaust port. It is filtered by the third filter when discharged, so the overall emission safety is better improved during the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 It is a front structural schematic diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the top view structure of the cleaning plate of the utility model;

[0020] Figure 4 It is a schematic diagram of the side structure of the exhaust port of the utility model.

[0021] In the figure: 1. Support bottom plate; 2. Electric treatment box; 3. Dust collecting plate; 4. Plate; 5. Air guide pipe; 6. Centralized treatment box; 7. Main filter; 8. Activated carbon body; 9. Water tank; 10. Pump body; 11. First drainage pipe; 12. Water inlet; 13. Diverter pipe; 14. Converging pipe; 15. First filter; 16. First water collecting pipe; 17. Second filter; 18. First spray head; 19. Second water collecting pipe; 20. Second spray head; 21. Air inlet; 22. Telescopic rod; 23. Cleaning plate; 24. Exhaust port; 25. First slag discharge port; 26. Second slag discharge port; 27. Scale line; 28. Cleaning brush; 29. ​​Third filter. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-4 The utility model provides an embodiment: a waste gas treatment device for thermosetting powder coatings, comprising a supporting base plate 1, an electric treatment box 2, a centralized treatment box 6, and a water tank 9. A first water collecting pipe 16 is installed at the top of the centralized treatment box 6, a second filter screen 17 is installed inside the first water collecting pipe 16, a first spray head 18 is installed at the bottom end of the first water collecting pipe 16, a second water collecting pipe 19 is installed near the middle position inside the centralized treatment box 6, a first filter screen 15 is installed on one side inside the second water collecting pipe 19, a second spray head 20 is installed at the bottom end of the second water collecting pipe 19, a water inlet 12 is installed on one side of the top of the water tank 9, a pump body 10 is installed on the other side of the top of the water tank 9, one end of the pump body 10 is connected to a first drainage pipe 11, the other end of the pump body 10 is connected to a conduit 14, and one side of the conduit 14 is connected to a shunt pipe 13.

[0024] One side of the shunt pipe 13 is connected to the interior of the second water collecting pipe 19 , and the shunt pipe 13 is connected to the interior of the converging pipe 14 . An air inlet 21 is installed near the top of one side of the centralized processing box 6 .

[0025] The tail end of the manifold 14 is interconnected with the interior of the first water collecting pipe 16 . The first spray heads 18 are evenly distributed at the bottom end of the first water collecting pipe 16 , and the second spray heads 20 are evenly distributed at the bottom end of the second water collecting pipe 19 .

[0026] The tail end of the first drainage pipe 11 extends to the interior of the water tank 9 , the bottom end of the water inlet 12 and the interior of the water tank 9 are connected to each other, and a scale line 27 is installed at one end of the water tank 9 .

[0027] One side of the centralized processing box 6 is connected to an air duct 5, and one side of the air duct 5 is interconnected with the interior of the electrical processing box 2. An electrode plate 4 is installed inside the electrical processing box 2, and a dust collecting plate 3 is provided at one end of the electrode plate 4.

[0028] A first slag discharge port 25 is installed at one end of the electric treatment box 2, a second slag discharge port 26 is installed at one end of the centralized treatment box 6, a main filter screen 7 is installed near the bottom of the centralized treatment box 6, and an activated carbon body 8 is provided at the top of the main filter screen 7.

[0029] A telescopic rod 22 is installed at the top end of the inner wall of the electric processing box 2, a cleaning plate 23 is installed at the bottom end of the telescopic rod 22, and a cleaning brush 28 is evenly installed at the back end of the cleaning plate 23.

[0030] An exhaust port 24 is installed at a position near the bottom of one side of the electrical processing box 2, and a third filter screen 29 is installed inside the exhaust port 24;

[0031] Furthermore, a hollow ring plate is installed on the inner wall of the exhaust port 24, and the hollow ring plate is used to connect and install the third filter screen 29;

[0032] Furthermore, the first slag discharge port 25 and the second slag discharge port 26 are used to discharge the residue. It should be noted that the first slag discharge port 25, the second slag discharge port 26, the exhaust port 24, the conduit 14, the diversion pipe 13 and other pipeline positions are equipped with separate valves for controlling opening and closing.

[0033] Working principle: First, during operation, the exhaust gas enters from the position of the air inlet 21, and then after the pump body 10 is started, the water flow can be extracted under the connection of the first drainage pipe 11, and then circulated through the manifold 14. The manifold 14 first circulates to the position of the first water collecting pipe 16, allowing the water flow to reach the upper position of the first water collecting pipe 16 first, and then be filtered by the second filter screen 17 and sprayed by the first spray head 18 for the first step of spraying, and then the water flow can be divided into the interior of the second water collecting pipe 19 under the diversion of the diversion pipe 13, and then filtered through the first filter screen 15 and sprayed by the second spray head 20 to complete the second step of spraying. After spraying, the gas is filtered by the activated carbon body 8 and the main filter screen 7, and the waste residue is discharged at the position of the second residue discharge port 26, and then the gas treated in the centralized treatment box 6 is circulated to the interior of the electric treatment box 2 under the connection of the air guide pipe 5, and then the electric dust removal process is formed under the cooperation of the dust collecting plate 3 and the electrode plate 4, and the gas is further purified, and finally discharged at the position of the exhaust port 24.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. An exhaust gas treatment device for thermosetting powder coatings, comprising a supporting base plate (1), an electric treatment box (2), a centralized treatment box (6), and a water tank (9), characterized in that: A first water collecting pipe (16) is installed at the top of the centralized treatment box (6), a second filter screen (17) is installed inside the first water collecting pipe (16), a first spray head (18) is installed at the bottom end of the first water collecting pipe (16), a second water collecting pipe (19) is installed near the middle position inside the centralized treatment box (6), a first filter screen (15) is installed on one side of the second water collecting pipe (19), a second spray head (20) is installed at the bottom end of the second water collecting pipe (19), a water inlet (12) is installed on one side of the top of the water tank (9), a pump body (10) is installed on the other side of the top of the water tank (9), one end of the pump body (10) is connected to the first drainage pipe (11), the other end of the pump body (10) is connected to the confluence pipe (14), and one side of the confluence pipe (14) is connected to the diversion pipe (13).

2. The exhaust gas treatment device for thermosetting powder coating according to claim 1, characterized in that: One side of the diverter pipe (13) is interconnected with the interior of the second water collecting pipe (19), and the diverter pipe (13) is interconnected with the interior of the converging pipe (14). An air inlet (21) is installed at a position close to the top of one side of the centralized treatment box (6).

3. The exhaust gas treatment device for thermosetting powder coating according to claim 1, characterized in that: The tail end of the manifold (14) is interconnected with the interior of the first water collecting pipe (16), the first spray heads (18) are evenly distributed at the bottom end of the first water collecting pipe (16), and the second spray heads (20) are evenly distributed at the bottom end of the second water collecting pipe (19).

4. The exhaust gas treatment device for thermosetting powder coating according to claim 1, characterized in that: The tail end of the first drainage pipe (11) extends to the interior of the water tank (9), the bottom end of the water inlet (12) and the interior of the water tank (9) are connected to each other, and a scale line (27) is installed at one end of the water tank (9).

5. The exhaust gas treatment device for thermosetting powder coating according to claim 1, characterized in that: One side of the centralized processing box (6) is connected to an air duct (5), and one side of the air duct (5) is interconnected with the interior of the electrical processing box (2). An electrode plate (4) is installed inside the electrical processing box (2), and one end of the electrode plate (4) is provided with a dust collecting plate (3).

6. The exhaust gas treatment device for thermosetting powder coating according to claim 1, characterized in that: A first slag discharge port (25) is installed at one end of the electric treatment box (2), a second slag discharge port (26) is installed at one end of the centralized treatment box (6), a main filter (7) is installed near the bottom of the centralized treatment box (6), and an activated carbon body (8) is provided at the top of the main filter (7).

7. The exhaust gas treatment device for thermosetting powder coating according to claim 1, characterized in that: A telescopic rod (22) is installed at the top end of the inner wall of the electrical processing box (2), a cleaning plate (23) is installed at the bottom end of the telescopic rod (22), and a cleaning brush (28) is evenly installed at the back end of the cleaning plate (23).

8. The exhaust gas treatment device for thermosetting powder coating according to claim 1, characterized in that: An exhaust port (24) is installed at a position close to the bottom end of one side of the electrical processing box (2), and a third filter screen (29) is installed inside the exhaust port (24).

Images