Waste gas treatment device for paint spraying chamber of coating workshop

Abstract

The utility model relates to the technical field of waste gas treatment, in particular to a coating workshop spray booth waste gas treatment device which comprises a first conveying pipe, a connector and a first exhaust fan, the connector is installed on the first conveying pipe, a liquid storage tank is arranged on one side of the connector, an atomizer is arranged on the liquid storage tank, and the first exhaust fan is installed on the first conveying pipe. In the working process, through mutual cooperation of the first exhaust fan component, the first conveying pipe component and the second conveying pipe component, waste gas in a paint spraying chamber is exhausted out and conveyed into a purification box through a third conveying pipe, and the waste gas is purified through a second conveying pipe. Meanwhile, the atomizer component, the liquid storage tank component and the connecting pipe are matched with one another, so that an additive in the liquid storage tank is fed between the conveying pipe I and the conveying pipe II, enters the purification tank along with the waste gas and is mixed with the waste gas in the flowing process, and the adsorption efficiency of impurities in the waste gas of the filtering assembly is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of waste gas treatment, in particular to a waste gas treatment device for a paint spraying room of a coating workshop. BACKGROUND

[0002] The paint spraying room is usually a relatively closed space, the shell of which is generally made of metal plates or fireproof materials to ensure safety and prevent waste gas leakage. The shape of the room body can be designed according to the size and shape of the paint spraying object and the layout of the workshop, and common shapes include square and rectangular.

[0003] Through retrieval, the patent with the publication number CN217855310U discloses a waste gas treatment device for a paint spraying room of a coating workshop. Two air pipes are tangent to the coating workshop, and the two air pipes are arranged in an upper-lower staggered manner. The entire waste gas treatment device has a reasonable structure and a clever design. It improves the inner wall of the coating workshop in a targeted manner. In combination with the circulating assembly of the device, the waste gas remaining in the corners of the coating workshop can be reduced, the waste gas purification treatment effect is improved, and the device has strong practicality and market application prospects.

[0004] In view of the related technology in the above, the inventors have found that the existing technology generally uses a single method for filtration, which results in a long time required for waste gas filtration. In order to solve the problem of low filtration efficiency in the prior art, the application connects a liquid storage tank to one side of the conveying pipe and sends liquid into the conveying pipe through an atomizer to mix with the waste gas in the conveying pipe, thereby improving the subsequent filtration efficiency. CONTENT OF THE UTILITY MODEL

[0005] In order to solve the problem of poor filtration efficiency, the application provides a waste gas treatment device for a paint spraying room of a coating workshop.

[0006] The waste gas treatment device for a paint spraying room of a coating workshop provided by the application adopts the following technical scheme: a conveying pipe one, a connecting head, and a first air extractor. The connecting head is installed on the conveying pipe one. A liquid storage tank is arranged on one side of the connecting head. An atomizer is arranged on the liquid storage tank. The atomizer and the connecting head are communicated through a connecting pipe. The first air extractor and the connecting head are communicated through a conveying pipe two. A purification tank is arranged on one side of the first air extractor. The purification tank and the first air extractor are communicated through a conveying pipe three. A filter assembly is arranged in the purification tank.

[0007] Optionally, the filter assembly comprises a mounting frame. The mounting frame is slidingly installed on the purification tank. The mounting frame is connected to the purification tank through buckles at one end. A filter plate is arranged on the mounting frame.

[0008] Optionally, the inside of the mounting frame is provided with a slot, the filter plate is slidingly arranged with the mounting frame, one end of the filter plate is inserted with the slot, and the other end of the filter plate is provided with a dismounting slot.

[0009] Optionally, the outside and the inside of the mounting frame are provided with sealing pads, and the filter plate is provided with a plurality of filter plates which are uniformly distributed.

[0010] Optionally, the filter assembly is provided with a rotating shaft, the rotating shaft is rotatably arranged in the purification tank, the rotating shaft is provided with a plurality of baffles which are uniformly distributed, the power end of the rotating shaft is provided with a servo motor, and the servo motor is arranged on the purification tank.

[0011] Optionally, the connecting pipe is provided with an electromagnetic valve, the connecting head is provided in a T shape, and the conveying pipe one and the conveying pipe two are arranged on the same axis.

[0012] Optionally, the lower end of the purification tank is provided with an output pipe, and the output pipe is provided with a second air extractor.

[0013] In summary, the present application has the following beneficial technical effects:

[0014] 1. The utility model discloses a purification tank, atomizer, liquid storage tank, connecting pipe and other components are arranged, in the working process, through the cooperation between the first air extractor, conveying pipe one and conveying pipe two, the waste gas in the paint spraying chamber is extracted, through the cooperation between the atomizer, liquid storage tank and connecting pipe, the additive in the liquid storage tank is sent into conveying pipe one and conveying pipe two, and enters the purification tank along with the waste gas, and is mixed with the waste gas in the flowing process, thereby improving the adsorption efficiency of the impurities in the waste gas of the filter assembly.

[0015] 2. The utility model discloses a baffle, rotating shaft, second air extractor, output pipe and other components are arranged, in the working process, through the cooperation between the baffle and the rotating shaft, the rotating shaft is adjusted, and the baffle is rotated, thereby stirring the waste gas and additive in the purification tank, improving the uniformity of mixing, further improving the subsequent adsorption efficiency, and through the cooperation between the second air extractor and the output pipe, the disturbed and filtered airflow in the purification tank can be sent out. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic diagram in the embodiment of the application.

[0017] Figure 2 It is the section view of the purification tank in the embodiment of the application.

[0018] Figure 3 This is a cross-sectional view of the mounting frame in an embodiment of this application;

[0019] Figure 4 This is a front view of an embodiment of this application.

[0020] Attached reference numerals: 1. Delivery pipe one; 2. Connector; 3. Delivery pipe two; 4. Exhaust fan one; 5. Delivery pipe three; 6. Purification box; 7. Connecting pipe; 8. Liquid storage tank; 9. Atomizer; 10. Output pipe; 11. Exhaust fan two; 12. Rotating shaft; 13. Baffle plate; 14. Mounting frame; 15. Filter plate; 16. Slot; 17. Disassembly slot; 18. Solenoid valve. Detailed Implementation

[0021] The following is in conjunction with the appendix Figures 1-4 This application will be described in further detail.

[0022] This application discloses an exhaust gas treatment device for a paint spray booth in a painting workshop. For example... Figure 1 , Figure 4 As shown, the device includes a delivery pipe 1, a connector 2, and an exhaust fan 4. The connector 2 is installed on the delivery pipe 1. A liquid storage tank 8 is provided on one side of the connector 2. An atomizer 9 is provided on the liquid storage tank 8. The atomizer 9 is connected to the connector 2 through a connecting pipe 7. A solenoid valve 18 is provided on the connecting pipe 7. By controlling the operation of the atomizer 9, the atomizer 9 atomizes the additive in the liquid storage tank 8 and sends it to the connector 2 through the connecting pipe 7. When the atomizer 9 is closed, the solenoid valve 18 is closed to avoid backflow. When the atomizer 9 is opened, the solenoid valve 18 is opened accordingly.

[0023] By storing alkaline metal oxides in the storage tank 8, the alkaline functional groups on the surface of activated carbon can be increased. These functional groups can enhance the adsorption capacity of activated carbon for acidic organic waste gas, because the interaction between acid and base can promote the adsorption of organic waste gas molecules on the surface of activated carbon, thereby improving the adsorption efficiency.

[0024] Please see Figure 1 The connector 2 is T-shaped. The exhaust fan 4 is connected to the connector 2 via the delivery pipe 3. The delivery pipe 1 and the delivery pipe 2 are on the same axis. A purification box 6 is provided on one side of the exhaust fan 4. An output pipe 10 is provided at the lower end of the purification box 6. An exhaust fan 2 11 is provided on the output pipe 10. By controlling the operation of the exhaust fan 2 11, the exhaust fan 2 11 draws the air in the purification box 6 from the preset position through the output pipe 10.

[0025] Please see Figure 2 , Figure 3As shown, the purification tank 6 is communicated with the exhaust fan one 4 through the conveying pipe three 5, the filter assembly is arranged in the purification tank 6, the rotating shaft 12 is arranged above the filter assembly, the rotating shaft 12 is rotatably installed in the purification tank 6, the spoiler 13 is arranged on the rotating shaft 12, the spoiler 13 is arranged in multiple, the multiple spoilers 13 are uniformly distributed, and the power end of the rotating shaft 12 is provided with a servo motor.

[0026] In the working process, the rotating shaft 12 is driven to rotate by the servo motor, the spoiler 13 is driven to rotate by the rotating shaft 12, so that the waste gas and the additive entering the purification tank 6 are stirred, so that the additive and the waste gas are quickly and uniformly mixed.

[0027] Please refer to Figure 4 , the servo motor is installed on the purification tank 6, the filter assembly includes the mounting frame 14, the mounting frame 14 is slidably installed on the purification tank 6, the mounting frame 14 is connected with the purification tank 6 through the buckle, the filter plate 15 is arranged on the mounting frame 14, the filter plate 15 is made of activated carbon, and the mounting frame 14 can be pulled out from the purification tank 6 by releasing the buckle, so that the worker can clean the filter plate 15,

[0028] In the embodiment, the outer side and the inner side of the mounting frame 14 are provided with sealing pads, the sealing performance of the device is improved, the waste gas is prevented from leaking to affect the air, the filter plate 15 is arranged in multiple, the multiple filter plates 15 are uniformly distributed, the inner side of the mounting frame 14 is provided with the insertion slot 16, the filter plate 15 is slidably arranged with the mounting frame 14, one end of the filter plate 15 is inserted into the insertion slot 16, the other end of the filter plate 15 is provided with the dismounting groove 17, when the mounting frame 14 is pulled out, the worker can directly pull out the filter plate 15 from the mounting frame 14 through the dismounting groove 17, and the effect of conveniently replacing the filter plate 15 is achieved.

[0029] The implementation principle of the paint spraying room waste gas treatment device of the coating workshop is that one end of the conveying pipe one 1 is connected with the paint spraying room, the waste gas in the paint spraying room is made to enter the conveying pipe two 3 through the conveying pipe one 1 by controlling the exhaust fan one 4 to work, the additive in the liquid storage tank 8 is sent into the conveying pipe two 3 and between the conveying pipe one 1 and the conveying pipe two 3 through the connecting pipe 7 by the atomizer 9, and is moved along with the waste gas and mixed with the waste gas, then the waste gas and the additive pass through the conveying pipe three 5 and enter the purification tank 6, the servo motor drives the rotating shaft 12 to rotate, the rotating shaft 12 drives the spoiler 13 to rotate, so that the waste gas and the additive entering the purification tank 6 are stirred and moderated, so that the uniformity of the mixing is improved, and under the action of the exhaust fan two 11 and the output pipe 10, the waste gas moves downward and is filtered by the filter plate 15, and the filtered waste gas is discharged through the output pipe 10.

[0030] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A painting plant booth exhaust treatment device comprising a conveying pipe (1), a connecting head (2), an exhaust fan (4), characterized in that: The connecting head (2) is installed on the conveying pipe one (1), one side of the connecting head (2) is provided with a liquid storage tank (8), the liquid storage tank (8) is provided with an atomizer (9), the atomizer (9) and the connecting head (2) are communicated through the connecting pipe (7), the suction fan one (4) and the connecting head (2) are communicated through the conveying pipe two (3), one side of the suction fan one (4) is provided with a purification tank (6), the purification tank (6) and the suction fan one (4) are communicated through the conveying pipe three (5), the purification tank (6) is provided with a filter assembly.

2. A paint spray booth exhaust treatment device for a paint shop as defined in claim 1, characterized in that: The filter assembly comprises a mounting frame (14), the mounting frame (14) is slidably mounted on the purification tank (6), one end of the mounting frame (14) and the purification tank (6) are connected through buckling, and the mounting frame (14) is provided with a filter plate (15).

3. A paint spray booth exhaust treatment device for a paint shop as defined in claim 2, characterized in that: The inside of the mounting frame (14) is provided with a slot (16), the filter plate (15) and the mounting frame (14) are slidably arranged, and one end of the filter plate (15) is inserted into the slot (16), and the other end of the filter plate (15) is provided with a dismounting groove (17).

4. A paint spray booth exhaust treatment device for a paint shop as defined in claim 3, characterized in that: The outer side and the inner side of the mounting frame (14) are provided with sealing pads, and the filter plate (15) is provided with a plurality of filter plates (15), and the plurality of filter plates (15) are uniformly distributed.

5. A paint spray booth exhaust treatment device for a paint shop as defined in claim 1, wherein: The filter assembly is provided with a rotating shaft (12) above, the rotating shaft (12) is rotatably installed in the purification tank (6), the rotating shaft (12) is provided with a spoiler (13), the spoiler (13) is provided with a plurality of spoilers (13), and the plurality of spoilers (13) are uniformly distributed, and the power end of the rotating shaft (12) is provided with a servo motor, and the servo motor is installed on the purification tank (6).

6. A paint spray booth exhaust treatment device for a paint shop as defined in claim 1, wherein: The connecting pipe (7) is provided with a solenoid valve (18), the connecting head (2) is provided with a "T" shape, and the conveying pipe one (1) and the conveying pipe two (3) are arranged on the same axis.

7. A paint spray booth exhaust treatment device for a paint shop as defined in claim 1, wherein: The lower end of the purification tank (6) is provided with an output pipe (10), and the output pipe (10) is provided with a suction fan two (11).

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