A waste gas treatment device for a paint production plant
By introducing filter components and unclogging components into the exhaust gas treatment equipment in the paint production workshop, the problems of cumbersome filter plate disassembly and easy clogging have been solved, enabling rapid disassembly and assembly of filter plates and efficient filtration, thus reducing the workload of staff.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Filing Date
- 2025-07-23
- Publication Date
- 2026-07-14
Smart Images

Figure CN224485373U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of waste gas treatment technology, and in particular relates to a waste gas treatment device for a paint production workshop. Background Technology
[0002] Applying paint to the surface of an object creates a continuous protective film that effectively isolates it from oxygen, moisture, and corrosive substances such as chemicals, reducing the rate of corrosion in metals and decay in wood. However, because paints are highly complex and contain various volatile organic solvents, a large amount of toxic waste gas is generated during the paint production process. Directly discharging this toxic waste gas would damage the paint production workshop and the atmospheric environment. Therefore, it is necessary to use waste gas treatment equipment for paint production workshops to treat the waste gas before it is released.
[0003] A search revealed a patent document with publication number CN215352779U disclosing an exhaust gas treatment device for a leather coating production workshop. The device includes a base plate, an air inlet, an air supply pipe, a cleaning chamber, a purification chamber, and a support frame. The support frame is symmetrically fixedly installed on the surface of the base plate. The cleaning chamber and purification chamber are fixedly installed inside the support frame. An air inlet is fixedly installed at the top of the cleaning chamber, and an air supply pipe is fixedly installed at the top of the purification chamber. The air supply pipe is fixedly connected to the cleaning chamber. Compared to traditional exhaust gas treatment devices for leather coating production workshops, this device can clean and screen particulate impurities within the exhaust gas, effectively preventing these impurities from floating in the air, thus improving the cleaning quality of the equipment and facilitating further purification of the exhaust gas. It can also filter and separate harmful substances within the exhaust gas, effectively reducing the amount of harmful substances and improving the air quality inside the workshop, thereby ensuring the health of the workers.
[0004] However, the waste gas treatment equipment used in paint production workshops still has the following shortcomings in actual use:
[0005] 1. Because the exhaust gas in the paint production workshop contains particulate impurities, the exhaust gas treatment equipment in the paint production workshop is equipped with filter plates to separate the exhaust gas and particulate impurities. The exhaust gas passes through the filter plates and enters the tower body for further treatment. The particulate impurities are intercepted by the filter plates and prevented from entering the tower body. In order to increase the stability of the filter plates, multiple sets of fasteners are used to fix the filter plates. However, this will increase the steps of disassembling and assembling the filter plates, making it inconvenient to quickly disassemble and assemble the filter plates and increasing downtime.
[0006] 2. During the process of separating waste gas and particulate impurities, particulate impurities larger than the filter plate mesh are directly blocked and intercepted, while particulate impurities of similar size to the filter plate mesh get stuck inside the mesh, causing the filter plate to become clogged. This reduces the separation efficiency of waste gas and particulate impurities, increases the frequency of filter plate disassembly and cleaning, and increases the workload of the staff.
[0007] To address these issues, we provide a waste gas treatment device for paint production workshops. Utility Model Content
[0008] The purpose of this utility model is to provide a waste gas treatment device for a paint production workshop. By setting up a filter assembly, the steps of disassembling and assembling the filter plate are simplified, making it convenient and quick to disassemble and clean the filter plate. In addition, by setting up a blockage removal assembly, the blockage on the filter plate is cleaned, reducing the frequency of disassembling and cleaning the filter plate and reducing the workload of the staff, thereby solving the technical problems mentioned in the background art.
[0009] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:
[0010] This utility model relates to a waste gas treatment device for a paint production workshop, comprising a tower body, a pipe connected to the side wall of the tower body, a through groove on the upper surface of the pipe, a filter assembly inside the pipe, the filter assembly including a connecting plate sleeved inside the through groove, a filter plate installed on the lower surface of the connecting plate located inside the through groove, a handle fixedly connected to the upper surface of the connecting plate abutting against the pipe, a limit block threadedly connected to the peripheral side wall of a screw fixed to the upper surface of the pipe, the limit block abutting against the inner bottom of the handle; a block-clearing assembly inside the pipe including a rotating shaft rotatably connected to the center position of the filter plate, a cleaning brush installed on the side wall of the rotating shaft abutting against the side wall of the filter plate, fan blades connected in a ring array on the peripheral side wall of the rotating shaft, and an air inlet pipe connected to the upper surface of the pipe located above the fan blades.
[0011] The present invention is further configured such that an annular box is fitted on the peripheral side wall of the tower body, and a mounting seat in an annular array on the side wall of the annular box is fixed to the outer side wall of the tower body. An inlet pipe is connected to the side wall of the annular box, and a nozzle is connected to the side wall of the annular box in an annular array. The inlet end of the nozzle is located inside the tower body.
[0012] The present invention is further configured such that an exhaust pipe is connected to the upper surface of the tower body, a conical platform is fixed to the upper surface of the base installed on the lower surface of the tower body, and an exhaust pipe is connected to the side wall of the tower body.
[0013] The present invention is further configured such that the lower surface of the pipe is symmetrically equipped with support legs, and the dust discharge pipe connected to the lower surface of the pipe is located below the through groove.
[0014] The present invention is further configured such that a return spring is connected to the lower surface of a hollow rod symmetrically fixed to the lower surface of the connecting plate, and symmetrically opened slots on the upper surface of the pipe are located on both sides of the through groove, with the return spring abutting against the inner bottom of the slot.
[0015] The present invention is further configured such that a guide rod is fixedly connected to the inner bottom of the slot, the reset spring is sleeved on the peripheral wall of the guide rod, and the hollow rod is sleeved on the peripheral wall of the guide rod.
[0016] The present invention is further configured such that a sealing plate is installed on the side wall of the pipe, the sealing plate is located on the side away from the tower body, and the rotating shaft is rotatably connected to the side wall of the sealing plate.
[0017] This utility model has the following beneficial effects:
[0018] 1. This utility model, by setting up a filter assembly, allows the limiting block to be rotated counterclockwise to release the limiting block from fixing the handle position, the compressed return spring to reset, the connecting plate to move upward out of the through groove, and the handle to be pulled upward to remove the filter plate from the through groove; conversely, rotating counterclockwise fixes the filter plate inside the through groove, simplifying the filter plate assembly and disassembly steps, facilitating quick assembly and cleaning of the filter plate, and enabling the filter plate to filter the exhaust gas in the paint production workshop more smoothly;
[0019] 2. By setting up a blockage-clearing component, the exhaust gas in the paint production workshop enters the pipeline through the air inlet pipe, applying external force to the fan blades. The fan blades rotate, the shaft rotates, and the cleaning brush rotates, clearing the blockages on the filter plate. The filter plate filters the exhaust gas more efficiently, reducing the frequency of filter plate disassembly and cleaning, and reducing the workload of the staff. Attached Figure Description
[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below:
[0021] Figure 1 A three-dimensional schematic diagram of a waste gas treatment device for a paint production workshop;
[0022] Figure 2 This is a cross-sectional schematic diagram of a waste gas treatment device for a paint production workshop.
[0023] Figure 3 for Figure 2 Enlarged schematic diagram of the structure at point A in the middle;
[0024] Figure 4 An exploded view of the piping and filter assembly;
[0025] The components represented by each number in the diagram are listed below:
[0026] 1-Tower body, 101-Base, 101a-Conical platform, 102-Annular box, 102a-Inlet pipe, 102b-Seat, 102c-Nozzle, 103-Exhaust pipe, 104-Pipe, 104a-Support leg, 104b-Through groove, 104c-Groove, 105-Discharge pipe, 2-Filter assembly, 201-Dust exhaust pipe, 202-Connecting plate, 202a-Handle, 202b-Hollow rod, 202c-Reset spring, 202d-Guide rod, 203-Limiting block, 203a-Screw, 204-Filter plate, 3-Clogging removal assembly, 301-Sealing plate, 302-Inlet pipe, 303-Shaft, 303a-Fan blade, 303b-Cleaning brush. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model. Example 1
[0028] Please see Figure 1 , Figure 2 and Figure 4 This utility model is a waste gas treatment device for a paint production workshop, including a tower body 1, a base 101, a conical platform 101a, an annular box 102, an inlet pipe 102a, a mounting seat 102b, a nozzle 102c, an exhaust pipe 103, a pipe 104, and an outlet pipe 105. The conical platform 101a introduces the absorbent that absorbs harmful substances at the bottom of the tower body 1 into the outlet pipe 105. The inlet pipe 102a is used to connect the annular box 102 with the pump. The nozzle 102c is used to spray the absorbent into the tower body 1 to treat the waste gas entering the tower body 1.
[0029] Specifically, a pipe 104 is connected to the side wall of the tower body 1, an annular box 102 is fitted on the circumferential side wall of the tower body 1, a mounting seat 102b is fitted in an annular array on the side wall of the annular box 102, the mounting seat 102b is fixed to the outer side wall of the tower body 1, an inlet pipe 102a is connected to the side wall of the annular box 102, a nozzle 102c is connected in an annular array on the side wall of the annular box 102, the inlet end of the nozzle 102c is located inside the tower body 1, an exhaust pipe 103 is connected to the upper surface of the tower body 1, a base 101 is installed on the lower surface of the tower body 1, a conical platform 101a is fixed to the upper surface of the base 101, and an exhaust pipe 105 is connected to the side wall of the tower body 1.
[0030] Furthermore, the lower surface of the pipe 104 is symmetrically equipped with support feet 104a, the upper surface of the pipe 104 is provided with a through groove 104b, and the upper surface of the pipe 104 is symmetrically provided with holes 104c, with the two holes 104c located on both sides of the through groove 104b.
[0031] The operation process of this embodiment is as follows: In the paint production workshop, the upper end of the exhaust pipe 103 is connected to the external pipe, and the inlet pipe 102a is connected to the pump on the absorbent tank. The exhaust gas enters the interior of the tower body 1 through the pipe 104, and the absorbent enters the interior of the annular box 102 through the inlet pipe 102a. The absorbent inside the annular box 102 is sprayed into the interior of the tower body 1 through the nozzle 102c. The exhaust gas moves upward and the absorbent moves downward. When the exhaust gas and the absorbent come into contact, the absorbent absorbs the harmful substances in the exhaust gas. The absorbent at the harmful position is discharged through the discharge pipe 105. Example 2
[0032] Please see Figure 1 , Figure 2 and Figure 4 Based on the first specific embodiment, a filter assembly 2 is provided. The filter assembly 2 includes a connecting plate 202, a handle 202a, a limiting block 203, a screw 203a, and a filter plate 204. Rotating the limiting block 203 counterclockwise releases the locking of the limiting block 203 on the position of the connecting plate 202. Pulling the handle 202a upwards removes the filter plate 204 from the inside of the pipe 104. Conversely, rotating the handle upwards fixes the filter plate 204 inside the pipe 104, simplifying the operation steps and facilitating quick disassembly and assembly of the filter plate 204 for cleaning.
[0033] Specifically, the connecting plate 202 is sleeved inside the through groove 104b, the filter plate 204 installed on the lower surface of the connecting plate 202 is located inside the through groove 104b, the handle 202a is fixedly connected to the upper surface of the connecting plate 202, the screw 203a is fixedly connected to the upper surface of the pipe 104, the limiting block 203 is threadedly connected to the peripheral side wall of the screw 203a, and the limiting block 203 abuts against the inner bottom of the handle 202a;
[0034] Furthermore, a hollow rod 202b is symmetrically fixed to the lower surface of the handle 202a, and a return spring 202c is connected to the lower surface of the hollow rod 202b. The return spring 202c abuts against the inner bottom of the slot 104c. A guide rod 202d is fixed to the inner bottom of the slot 104c. The return spring 202c is sleeved on the peripheral side wall of the guide rod 202d, and the hollow rod 202b is sleeved on the peripheral side wall of the guide rod 202d. A dust discharge pipe 201 is connected to the lower surface of the pipe 104, and the dust discharge pipe 201 is located below the through groove 104b.
[0035] The operation process of this embodiment is as follows: Rotate the limiting block 203 counterclockwise. The limiting block 203 moves in an arc around the screw 203a as the axis, and the limiting block 203 moves upward to release the fixation of the handle 202a position. The compressed return spring 202c is reset. The hollow rod 202b moves upward along the guide rod 202d. The connecting plate 202 moves upward out of the inside of the through groove 104b. Pull the handle 202a upward to take the filter plate 204 out of the inside of the pipe 104 and clean the blockage on the filter plate 204. Insert the filter plate 204 into the inside of the through groove 104b. Press the handle 202a down to compress the return spring 202c. The connecting plate 202 enters the inside of the through groove 104b until the handle 202a abuts against the pipe 104. Rotate the limiting block 203 clockwise until the limiting block 203 abuts against the inner bottom of the handle 202a to fix the position of the connecting plate 202. Example 3
[0036] Please see Figure 1 , Figure 2 and Figure 3 Based on specific embodiments one and two, a blockage-clearing component 3 is provided. The blockage-clearing component 3 includes an air inlet pipe 302, a rotating shaft 303, a fan blade 303a, and a cleaning brush 303b. Exhaust gas enters the interior of the pipe through the air inlet pipe 302, applying external force to the fan blade 303a. The rotating shaft 303 rotates, driving the cleaning brush 303b to rotate, clearing the blockage on the filter plate 204. The filter plate filters the exhaust gas more efficiently, reducing the frequency of disassembling and cleaning the filter plate 204 and reducing the workload of the staff.
[0037] Specifically, the rotating shaft 303 is rotatably connected to the center of the filter plate 204, the cleaning brush 303b installed on the side wall of the rotating shaft 303 abuts against the side wall of the filter plate 204, the fan blades 303a are connected in a ring array on the peripheral side wall of the rotating shaft 303, and the air inlet pipe 302 is connected to the upper surface of the pipe 104, with the air inlet pipe 302 located above the fan blades 303a.
[0038] Furthermore, a sealing plate 301 is installed on the side wall of the pipe 104. The sealing plate 301 is located on the side away from the tower body 1, and the rotating shaft 303 is rotatably connected to the inner wall of the sealing plate 301.
[0039] The operation process of this embodiment is as follows: the air inlet pipe 302 is connected to an external air pump, the air pump is powered on, and the exhaust gas in the paint production workshop enters the interior of the pipe 104 through the air inlet pipe 302. After being filtered by the filter plate 204, it enters the interior of the tower body 1. At the same time, the exhaust gas applies external force to the fan blade 303a, the fan blade 303a rotates, the rotating shaft 303 rotates, and the cleaning brush 303 rotates accordingly to clean the blockage on the filter plate 204. The blockage cleaned from the filter plate 204 is discharged through the dust discharge pipe 201.
[0040] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
Claims
1. A waste gas treatment device for a paint production workshop, comprising a tower body (1), wherein a pipe (104) is connected to the side wall of the tower body (1), and a through groove (104b) is formed on the upper surface of the pipe (104), characterized in that: The pipe (104) is equipped with a filter assembly (2) inside. The filter assembly (2) includes a connecting plate (202) sleeved inside the through groove (104b). The filter plate (204) installed on the lower surface of the connecting plate (202) is located inside the through groove (104b). The handle (202a) fixed to the upper surface of the connecting plate (202) abuts against the pipe (104). The screw (203a) fixed to the upper surface of the pipe (104) has a limit block (203) threadedly connected to the peripheral side wall. The limit block (203) abuts against the inner bottom of the handle (202a). The pipe (104) is equipped with a blockage removal component (3). The blockage removal component (3) includes a rotating shaft (303) rotatably connected to the center of the filter plate (204). A cleaning brush (303b) installed on the side wall of the rotating shaft (303) abuts against the side wall of the filter plate (204). Fan blades (303a) are connected in a ring array on the peripheral side wall of the rotating shaft (303). The air inlet pipe (302) connected to the upper surface of the pipe (104) is located above the fan blades (303a).
2. The waste gas treatment equipment for a paint production workshop according to claim 1, characterized in that: An annular box (102) is fitted on the periphery of the tower body (1). The mounting seats (102b) on the side wall of the annular box (102) are fixed to the outer side wall of the tower body (1). An inlet pipe (102a) is connected to the side wall of the annular box (102). A nozzle (102c) is connected to the side wall of the annular box (102). The inlet end of the nozzle (102c) is located inside the tower body (1).
3. The waste gas treatment equipment for a paint production workshop according to claim 2, characterized in that: The upper surface of the tower body (1) is connected to an exhaust pipe (103), and a conical platform (101a) is fixed to the upper surface of the base (101) installed on the lower surface of the tower body (1). The side wall of the tower body (1) is connected to an exhaust pipe (105).
4. The waste gas treatment equipment for a paint production workshop according to claim 1, characterized in that: The lower surface of the pipe (104) is symmetrically equipped with support feet (104a), and the dust discharge pipe (201) connected to the lower surface of the pipe (104) is located below the through groove (104b).
5. The waste gas treatment equipment for a paint production workshop according to claim 1, characterized in that: The lower surface of the hollow rod (202b) symmetrically fixed to the lower surface of the handle (202a) is connected to a return spring (202c). The symmetrically opened slots (104c) on the upper surface of the pipe (104) are located on both sides of the through groove (104b). The return spring (202c) abuts against the inner bottom of the slot (104c).
6. The waste gas treatment equipment for a paint production workshop according to claim 5, characterized in that: A guide rod (202d) is fixedly connected to the inner bottom of the slot (104c), the reset spring (202c) is sleeved on the peripheral wall of the guide rod (202d), and the hollow rod (202b) is sleeved on the peripheral wall of the guide rod (202d).
7. The waste gas treatment equipment for a paint production workshop according to claim 1, characterized in that: A sealing plate (301) is installed on the side wall of the pipe (104), the sealing plate (301) is located on the side away from the tower body (1), and the rotating shaft (303) is rotatably connected to the side wall of the sealing plate (301).