An easy-to-clean air pollution control device
By designing an automatic cleaning filter device, the problem of easy clogging of the filter screen is solved, achieving efficient operation and low-cost maintenance. The use of touch delay switch and water-air reverse flushing technology enables the filter screen to self-clean.
Patent Information
- Application Number
- CN202511465485.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-14
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2045-10-14
AI Technical Summary
Traditional air pollution control devices are prone to clogging during the filtration process, leading to decreased filtration efficiency and increased energy consumption. In addition, frequent manual cleaning increases maintenance costs and labor intensity.
An air pollution control device that is easy to clean has been designed. It can detect filter clogging by touching a time-delay switch and automatically start the cleaning program. It uses water and high-pressure air to backwash and blow the filter to achieve self-cleaning.
It enables automatic cleaning of the filter screen, avoids decreased filtration efficiency and increased energy consumption, reduces maintenance costs, and ensures efficient operation of the device.
Smart Images

Figure CN120919760B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of air pollution control, and in particular to an air pollution control device that is easy to clean. Background Technology
[0002] With the rapid advancement of industrialization and the continuous acceleration of urbanization, air pollution has become an increasingly severe problem and a critical environmental challenge that urgently needs to be addressed globally. In industrial production, various factories such as steel mills, cement plants, and chemical plants emit large amounts of waste gas containing pollutants such as particulate matter, sulfur dioxide, nitrogen oxides, and volatile organic compounds (VOCs). In the transportation sector, vehicle exhaust emissions are also a significant source of urban air pollution, containing harmful substances such as carbon monoxide, hydrocarbons, nitrogen oxides, and fine particulate matter (PM2.5). Furthermore, construction dust and agricultural emissions also contribute to varying degrees of air pollution.
[0003] In the field of air pollution control, filtration technology is one of the key means to remove particulate pollutants such as dust from the air. Traditional air pollution control devices usually use filters to intercept and adsorb dust in the air to purify the air. However, during the filtration process, dust particles in the air gradually accumulate on the surface of the filter, and the air permeability of the filter gradually decreases. This leads to increased resistance to the air passing through the filter and increased filtration pressure. When the filtration pressure exceeds a certain limit, it will not only seriously affect the filtration efficiency and reduce the amount of air passing through the filter per unit time, but also increase the operating energy consumption of the entire treatment device, reducing the economy and stability of the equipment. When the filter is severely clogged, it needs to be cleaned to restore its filtration performance. Traditional treatment devices mostly rely on manual cleaning of the filter, which not only consumes a lot of manpower and time, but also increases equipment maintenance costs and labor intensity due to frequent manual cleaning. Therefore, how to solve the above problems needs to be considered. Summary of the Invention
[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing an easy-to-clean air pollution control device. In practical use, this device can filter dust in the gas. When the filtration pressure is high, the cleaning section will be activated to automatically clean the filter screen. The entire process does not require operator intervention, making it convenient for practical use.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] An easy-to-clean air pollution control device includes a housing with multiple support frames mounted on its lower end; a filtration mechanism including a fixing ring fixedly connected to the inner wall of the housing, with multiple second springs fixedly connected to the lower end of the fixing ring, and a filter disc fixedly connected to the lower end of each of the second springs, the filter disc being slidably connected to the inner wall of the housing; an energy storage mechanism including a mounting plate fixedly connected inside the housing, a rotating shaft rotatably connected to the upper end of the mounting plate, multiple fan blades fixedly connected at equal intervals to the outer side of the rotating shaft, a rotating disk fixedly connected to the lower end of the rotating shaft, a piston cylinder fixedly connected to the lower end of the mounting plate, a second piston plate that can slide left and right disposed inside the piston cylinder, a connecting rod rotatably connected to the left side of the second piston plate, the other end of the connecting rod being rotatably connected to the lower eccentric part of the rotating disk; a temporary storage mechanism mounted on top of the housing; and a release mechanism for self-cleaning the filter disc.
[0007] Preferably, an air intake pipe is provided on the left side of the inner bottom space of the housing, and an exhaust pipe is provided on the right side of the inner top space of the housing.
[0008] Preferably, the temporary storage mechanism includes a first piston plate slidably connected inside the storage cylinder. The upper end of the first piston plate is elastically connected to the inner top of the storage cylinder via a first spring. A through hole is provided on the left side wall of the inner top space of the storage cylinder. The right side space of the piston cylinder is connected to a first one-way tube, a second one-way tube, and a third one-way tube. The other end of the third one-way tube extends to the inner bottom of the storage cylinder.
[0009] Preferably, the first one-way tube, the second one-way tube, and the third one-way tube are all equipped with one-way valves. The flow direction of the one-way valves inside the first and second one-way tubes is one-way from the outside into the space on the right side of the piston cylinder, and the flow direction of the one-way valve inside the third one-way tube is one-way from the space on the right side of the piston cylinder into the bottom space inside the accumulator.
[0010] Preferably, a drain port is provided at the bottom inner part of the housing, and a first solenoid valve is provided inside the drain port.
[0011] Preferably, the release mechanism includes a rotating tube rotatably connected to the top of the housing, the upper end of the rotating tube penetrating the housing, a third one-way tube communicating with the bottom space of the accumulator, the other end of the third one-way tube communicating with the upper end of the rotating tube via a rotary joint, a second solenoid valve installed inside the accumulator, the lower end of the rotating tube being sealed, a diversion pipe communicating with one side of the lower end of the rotating tube, and multiple discharge holes being provided at the bottom of the diversion pipe.
[0012] Preferably, a mounting bracket is installed at the upper end of the housing, and a drive motor is mounted on the mounting bracket. The output shaft of the drive motor extends into the housing. Both the output shaft of the drive motor and the rotating tube are equipped with pulleys, and the two pulleys are connected by a transmission belt.
[0013] Preferably, a touch delay switch is fixedly connected to the lower end of the fixed ring, and the touch delay switch is used to control the first solenoid valve, the second solenoid valve, and the drive motor.
[0014] Compared with the prior art, the beneficial effects of this invention are as follows:
[0015] 1. As the filtration process continues, the dust accumulated on the filter disc gradually increases. When the blockage reaches a certain level, the air pressure blown in through the air inlet increases, overcoming the elasticity of the second spring and causing the filter disc to move upward and triggering the touch delay switch. This intelligent triggering mechanism can detect the blockage status of the filter disc in a timely manner and automatically start the cleaning program, avoiding the impact on the treatment effect and device performance due to excessive blockage of the filter disc, and ensuring that the device is always in a state of high-efficiency operation.
[0016] 2. The reciprocating motion of the second piston plate gathers water and air at the bottom of the accumulation cylinder. When the touch delay switch is triggered, water and air enter the rotating pipe through the third one-way pipe and rotary joint, and are evenly sprayed onto the filter disc from multiple discharge holes in the diversion pipe. The water at the bottom is released first to thoroughly rinse the filter disc and effectively remove dust adhering to its surface. Then, high-pressure air is released to reverse-blow the filter disc and air dry it at the same time, avoiding residual water on the filter disc from affecting subsequent use, ensuring the cleanliness and dryness of the filter disc after cleaning, and extending its service life. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of an air pollution control device that is easy to clean, as proposed in this invention.
[0018] Figure 2 for Figure 1 A schematic diagram of the cross-sectional structure;
[0019] Figure 3 for Figure 2 Front view;
[0020] Figure 4 This is a schematic diagram of the energy storage mechanism;
[0021] Figure 5 for Figure 4 A schematic diagram of the cross-sectional structure.
[0022] In the diagram: 1. Housing, 2. Inlet pipe, 3. Exhaust pipe, 4. Support frame, 5. Drain port, 6. Mounting bracket, 7. Drive motor, 8. Accumulation cylinder, 9. Through hole, 10. Release pipe, 11. Rotary joint, 12. Rotating pipe, 13. Third one-way pipe, 14. First piston plate, 15. First spring, 16. Filter disc, 17. Second spring, 18. Fixing ring, 19. Drive belt, 20. Diverter pipe, 21. Pulley, 22. Mounting plate, 23. Shaft, 24. Fan blade, 25. Piston cylinder, 26. Connecting rod, 27. Rotating disc, 28. Second piston plate, 29. First one-way pipe, 30. Second one-way pipe, 31. Touch delay switch. Detailed Implementation
[0023] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
[0024] It should be noted that the terminology used herein is for the purpose of describing particular implementations only and is not intended to limit the exemplary implementations according to this application; as used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise; furthermore, it should be understood that when the terms “comprising” and / or “including” are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.
[0025] Reference Figures 1-5 An easy-to-clean air pollution control device includes a housing 1. Multiple support frames 4 are installed at the lower end of the housing 1. An air inlet pipe 2 is provided on the left side of the inner bottom space of the housing 1. The air inlet pipe 2 is connected to an external air supply pump. Furthermore, the air supply pump is also in cooperation with a touch delay switch 31. When the touch delay switch 31 is triggered, the air supply pump will stop running for a period of time. An exhaust pipe 3 is provided on the right side of the inner top space of the housing 1.
[0026] As one embodiment of the present invention, a filtering mechanism is also included. The filtering mechanism includes a fixing ring 18 fixedly connected to the inner wall of the housing 1. A plurality of second springs 17 are fixedly connected to the lower end of the fixing ring 18. A filter disc 16 is fixedly connected to the lower end of the plurality of second springs 17. The filter disc 16 is slidably connected to the inner wall of the housing 1. As more and more dust accumulates during the process, the filter disc 16 becomes clogged. At this time, the airflow will cause the filter disc 16 to move upward and compress the second springs 17.
[0027] As one embodiment of the present invention, it also includes an energy storage mechanism, which includes a mounting plate 22 fixedly connected inside the housing 1. The upper end of the mounting plate 22 is rotatably connected to a rotating shaft 23. Multiple fan blades 24 are fixedly connected at equal intervals on the outer side of the rotating shaft 23. The multiple fan blades 24 cooperate with the air intake pipe 2. When the air intake pipe 2 blows out a high-speed airflow, it will drive the whole formed by the multiple fan blades 24 and the rotating shaft 23 to rotate. The lower end of the rotating shaft 23 is fixedly connected to a rotating disk 27. The lower end of the mounting plate 22 is fixedly connected to a piston cylinder 25. A second piston plate 28 that can slide left and right is provided inside the piston cylinder 25. A connecting rod 26 is rotatably connected to the left side of the second piston plate 28. The other end of the connecting rod 26 is rotatably connected to the lower eccentric part of the rotating disk 27.
[0028] In one embodiment of the present invention, a temporary storage mechanism is also included. This mechanism is installed above the housing 1 and includes a first piston plate 14 slidably connected within the storage cylinder 8. The upper end of the first piston plate 14 is elastically connected to the inner top of the storage cylinder 8 via a first spring 15. A through hole 9 is provided on the left side wall of the inner top space of the storage cylinder 8. A first one-way pipe 29, a second one-way pipe 30, and a third one-way pipe 13 are connected to the right side space of the piston cylinder 25. The other end of the third one-way pipe 13 extends to the inner bottom of the storage cylinder 8. One-way valves are installed inside the first one-way pipe 29, the second one-way pipe 30, and the third one-way pipe 13. The flow direction of the one-way valves inside the first one-way pipe 29 and the second one-way pipe 30 is the same. The flow direction of the flow from the outside into the right side space of the piston cylinder 25 is one-way. The flow direction of the one-way valve inside the third one-way pipe 13 is one-way into the bottom space of the accumulator 8 from the right side space of the piston cylinder 25. Furthermore, the other end of the first one-way pipe 29 is connected to the external water tank, and the other end of the second one-way pipe 30 is directly connected to the outside. Using this method, when the second piston plate 28 moves back and forth, it can cooperate with the one-way valve to allow water and air to accumulate at the bottom of the accumulator 8. When it is released later, the water at the bottom is released first for reverse flushing, and then the high-pressure air is released to achieve reverse blowing and drying at the same time, so as to avoid affecting subsequent use. The bottom of the shell 1 is provided with a drain port 5, and the drain port 5 is provided with a first solenoid valve.
[0029] As one embodiment of the present invention, a release mechanism is also included. The release mechanism is used to realize the self-cleaning of the filter disc 16. The release mechanism includes a rotating tube 12 rotatably connected to the top of the housing 1. The upper end of the rotating tube 12 penetrates the housing 1. The bottom space of the storage cylinder 8 is connected to a third one-way tube 13. The other end of the third one-way tube 13 is connected to the upper end of the rotating tube 12 through a rotary joint 11. A second solenoid valve is installed inside the storage cylinder 8. The lower end of the rotating tube 12 is sealed. One side of the lower end of the rotating tube 12 is connected to a diversion tube 20. The bottom of the diversion tube 20 is provided with multiple discharge holes.
[0030] In one embodiment of the present invention, a mounting bracket 6 is installed on the upper end of the housing 1, and a drive motor 7 is installed on the mounting bracket 6. The output shaft of the drive motor 7 extends into the housing 1. Pulleys 21 are installed on both the output shaft of the drive motor 7 and the rotating tube 12. The two pulleys 21 are connected by a transmission belt 19. A touch delay switch 31 is fixedly connected to the lower end of the fixing ring 18. The touch delay switch 31 is used to control the first solenoid valve, the second solenoid valve, and the drive motor 7. After the touch delay switch 31 is triggered, the first solenoid valve, the second solenoid valve, and the drive motor 7 are all energized for a period of time and then de-energized.
[0031] In this invention, an external air pump is connected to an air inlet pipe 2 to continuously pump the atmosphere to be treated into the housing 1. The gas enters the bottom space on the left side of the housing 1 from the air inlet pipe 2. The gas rises in the housing 1. When the gas passes through the filter plate 16, pollutants such as dust are intercepted. The filtered gas is discharged from the exhaust pipe 3 on the right side of the top space inside the housing 1, thus completing the air pollution treatment.
[0032] As the filtration process continues, more and more dust accumulates on the filter disc 16, causing it to become clogged. At this point, the airflow from the intake pipe 2 increases the pressure on the filter disc 16, overcoming the elastic force of the second spring 17. This causes the filter disc 16 to move upward and compress the second spring 17. During this upward movement, the filter disc 16 comes into contact with the touch delay switch 31 at the lower end of the fixing ring 18, triggering the touch delay switch 31. Once triggered, the touch delay switch 31 stops the air supply pump for a period of time. In preparation for the subsequent cleaning process, when the high-speed airflow blown out of the intake pipe 2 enters the housing 1, it will drive the multiple fan blades 24 in the energy storage mechanism to rotate. The multiple fan blades 24 are fixedly connected to the outside of the rotating shaft 23 at equal intervals. The rotating shaft 23 is rotatably connected to the upper end of the mounting plate 22. The mounting plate 22 is fixedly connected to the inside of the housing 1. Therefore, the high-speed airflow drives the entire structure formed by the multiple fan blades 24 and the rotating shaft 23 to rotate. When the rotating shaft 23 rotates, it drives the second piston plate 28 to reciprocate left and right in the piston cylinder 25 through the connecting rod 26.
[0033] With the combined action of the first one-way pipe 29, the second one-way pipe 30 and the third one-way pipe 13, the left and right movement of the second piston plate 28 can allow water and air to gradually accumulate at the bottom of the accumulation cylinder 8.
[0034] When the touch delay switch 31 is triggered, it not only stops the air supply pump, but also controls the first solenoid valve, the second solenoid valve, and the drive motor 7 to be energized for a period of time and then de-energized. After the first solenoid valve is energized, the drain port 5 at the bottom of the housing 1 opens. After the second solenoid valve is energized, the inside of the accumulator 8 is connected to the third one-way pipe 13. The water and air accumulated at the bottom of the accumulator 8 enter the upper end of the rotating pipe 12 through the third one-way pipe 13 and the rotary joint 11. After the drive motor 7 is energized, it starts to work. The output shaft of the drive motor 7 extends into the inside of the housing 1. Both the output shaft and the rotating pipe 12 are equipped with pulleys 21. The two pulleys 21 are connected by a transmission belt 19. Therefore, the drive motor 7 drives the rotating tube 12 to rotate. The lower end of the rotating tube 12 is sealed, and a diversion pipe 20 is connected to one side of the lower end. Multiple discharge holes are opened at the bottom of the diversion pipe 20. After water and air enter the rotating tube 12, they are discharged from the multiple discharge holes through the diversion pipe 20. Since the rotating tube 12 is rotating, water and air can be sprayed evenly onto the filter disc 16 to perform reverse rinsing of the filter disc 16. During the cleaning process, the water at the bottom is released first to fully rinse the filter disc 16. Then, high-pressure air is released to reverse blow the filter disc 16 while drying it, so as to avoid residual water on the filter disc 16 from affecting subsequent use.
[0035] After a period of time, the touch delay switch 31 controls the first solenoid valve, the second solenoid valve, and the drive motor 7 to be de-energized, and the device returns to its initial state, waiting for the next air pollution control operation.
[0036] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented, for example, in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.
[0037] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.
Claims
1. An air pollution control device that is easy to clean, characterized in that, include: The housing (1) has a plurality of support frames (4) installed at its lower end. The filter mechanism includes a fixed ring (18) fixedly connected to the inner wall of the housing (1), a plurality of second springs (17) fixedly connected to the lower end of the fixed ring (18), and a filter disc (16) fixedly connected to the lower end of the plurality of second springs (17), and the filter disc (16) is slidably connected to the inner wall of the housing (1). An energy storage mechanism includes a mounting plate (22) fixedly connected inside the housing (1). A rotating shaft (23) is rotatably connected to the upper end of the mounting plate (22). Multiple fan blades (24) are fixedly connected at equal intervals to the outer side of the rotating shaft (23). A rotating disk (27) is fixedly connected to the lower end of the rotating shaft (23). A piston cylinder (25) is fixedly connected to the lower end of the mounting plate (22). A second piston plate (28) that can slide left and right is provided inside the piston cylinder (25). A connecting rod (26) is rotatably connected to the left side of the second piston plate (28). The other end of the connecting rod (26) is rotatably connected to the lower end of the rotating disk (27) at an eccentric position. A temporary storage mechanism is installed above the housing (1); A release mechanism is provided to enable self-cleaning of the filter disc (16); An air inlet pipe (2) is provided on the left side of the inner bottom space of the housing (1), and an exhaust pipe (3) is provided on the right side of the inner top space of the housing (1). The temporary storage mechanism includes a first piston plate (14) slidably connected inside the storage cylinder (8). The upper end of the first piston plate (14) is elastically connected to the inner top of the storage cylinder (8) through a first spring (15). A through hole (9) is provided on the left side wall of the inner top space of the storage cylinder (8). The right side space of the piston cylinder (25) is connected to a first one-way pipe (29), a second one-way pipe (30) and a third one-way pipe (13). The other end of the third one-way pipe (13) extends to the inner bottom of the storage cylinder (8). One-way valves are installed inside the first one-way pipe (29), the second one-way pipe (30) and the third one-way pipe (13). The flow direction of the one-way valves inside the first one-way pipe (29) and the second one-way pipe (30) is one-way into the right space of the piston cylinder (25) from the outside. The flow direction of the one-way valve inside the third one-way pipe (13) is one-way into the bottom space inside the accumulator (8) from the right space of the piston cylinder (25). The release mechanism includes a rotating tube (12) rotatably connected to the top of the housing (1). The upper end of the rotating tube (12) penetrates the housing (1). The bottom space of the storage cylinder (8) is connected to a third one-way tube (13). The other end of the third one-way tube (13) is connected to the upper end of the rotating tube (12) through a rotary joint (11). A second solenoid valve is installed inside the storage cylinder (8). The lower end of the rotating tube (12) is sealed. A diversion tube (20) is connected to one side of the lower end of the rotating tube (12). Multiple discharge holes are opened at the bottom of the diversion tube (20). The upper end of the housing (1) is equipped with a mounting bracket (6), and a drive motor (7) is mounted on the mounting bracket (6). The output shaft of the drive motor (7) extends into the housing (1). Pulleys (21) are mounted on both the output shaft of the drive motor (7) and the rotating tube (12). The two pulleys (21) are connected by a transmission belt (19). The lower end of the fixed ring (18) is fixedly connected to a touch delay switch (31), which is used to control the first solenoid valve, the second solenoid valve and the drive motor (7).
2. The air pollution control device that is easy to clean according to claim 1, characterized in that, The bottom of the housing (1) is provided with a drain port (5), and a first solenoid valve is provided inside the drain port (5).
Citation Information
Patent Citations
Dust adsorption and filtration device
CN108465327A
Self-cleaning type filtering equipment for spinning
CN111804082A