Waste gas treatment device for environmental engineering
By using an automatic filter cleaning design, the filter is clogging by rotating and scraping to remove particulate matter and deposits, thus solving the problem of filter clogging and achieving efficient exhaust gas treatment and reduced energy consumption.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FAMA (LIAONING) INTELLIGENT EQUIPMENT CO LTD
- Filing Date
- 2025-07-24
- Publication Date
- 2026-05-19
AI Technical Summary
Existing waste gas treatment devices adsorb a large amount of particulate matter and deposits on the filter screen surface, which leads to the clogging of the filter screen pores, a sharp reduction in system air volume, an increase in power consumption, and the risk of exceeding emission standards.
The filter features an automatic cleaning design. Through rotational motion and mechanical contact with a scraper, particles and deposits on the filter are removed. Combined with airflow convection, a shearing effect is created to efficiently remove sticky deposits and guide the waste into the waste pipe to prevent secondary scattering.
It effectively extends the service life of the filter screen, prevents chamber corrosion, reduces power consumption, ensures emissions meet standards, and avoids the risk of exceeding standards.
Smart Images

Figure CN224252387U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of waste gas pollutant treatment technology, specifically a waste gas treatment device for environmental engineering. Background Technology
[0002] Waste gas treatment devices are key equipment in environmental engineering used to purify harmful gases emitted during industrial production and energy utilization. Their core objective is to reduce the emission of air pollutants, protect the ecological environment and human health. Dust removal devices remove particulate matter from waste gas and are commonly used in industries such as metallurgy, cement, and power. They separate gases from solid particles through mechanical interception, inertial collision, or electrostatic adsorption and are used in flue gas purification of coal-fired boilers and dust control in ore crushing.
[0003] In existing environmental engineering waste gas treatment devices, a large amount of particulate matter and deposits are adsorbed on the surface of the filter screen when treating waste gas. These contaminants stick to the surface of the filter screen, and it is inconvenient to clean the inside of the filter screen. When the filter screen pores are completely blocked by particulate matter, the resistance to waste gas flow increases sharply, resulting in a sharp reduction in the system air volume. Unfiltered pollutants will directly penetrate the device, which will significantly reduce the emission compliance rate and even cause the risk of exceeding the emission standard. In order to maintain the waste gas passage capacity, the fan must be forced to increase its speed to overcome the blockage resistance, resulting in a significant increase in power consumption. Utility Model Content
[0004] This invention provides a waste gas treatment device for environmental engineering, which has the advantage of automatically cleaning the filter screen of the waste gas treatment device, thereby solving the problem of a large amount of particulate matter and deposits adhering to the filter screen of the waste gas treatment device.
[0005] To achieve the purpose of automatically cleaning the filter screen of the waste gas treatment device, this utility model provides the following technical solution: A waste gas treatment device for environmental engineering includes a waste gas treatment box, a first treatment chamber inside the waste gas treatment box, a second treatment chamber inside the waste gas treatment box, an air inlet pipe installed inside the waste gas treatment box, a blocking circular chamber installed inside the first treatment chamber, one end surface of the air inlet pipe extending into the blocking circular chamber, an inner magnetic rotor shaft movably installed inside the blocking circular chamber, a rotating column movably installed inside the blocking circular chamber, a filter screen plate jointly installed on one end surface of the inner magnetic rotor shaft and one end surface of the rotating column, two filter screens I inside the filter screen plate, a power cleaning component installed inside the waste gas treatment box, an inclined air outlet pipe I installed on the outer surface of the blocking circular chamber, a filter screen II inside the inclined air outlet pipe I, two scrapers installed on the outer surface of the filter screen plate, the outer surface of the scrapers movably contacting the inner wall of the blocking circular chamber, and the outer surface of the scrapers movably contacting the outer surface of the filter screen II.
[0006] As a preferred embodiment of the present invention, the power cleaning assembly includes a motor and a rotating shaft. The motor is mounted on the outer surface of the exhaust gas treatment box, and the rotating shaft is mounted on the outer surface of the motor output end. One end of the rotating shaft extends into the interior of the exhaust gas treatment box.
[0007] As a preferred embodiment of this utility model, an external magnetic rotor shaft is mounted on one end surface of the rotating shaft, and a main drive wheel is mounted on the outer surface of the rotating shaft.
[0008] As a preferred embodiment of this utility model, a sewage pipe is installed on the bottom surface of the blocking circular chamber, and a sewage storage box is movably installed inside the waste gas treatment box.
[0009] As a preferred embodiment of this utility model, a driven shaft is movably installed both inside the sewage pipe and on the inner wall of the first treatment chamber, and a driven drive wheel is installed on the outer surface of the driven shaft.
[0010] As a preferred embodiment of this utility model, a belt is movably mounted on the outer surface of the main drive wheel and the outer surface of the driven wheel. A ball shaft is mounted on one end surface of the driven shaft. The outer surface of the ball shaft is in movable contact with the inner wall of the sewage pipe. A vent hole is provided inside the ball shaft. A guide plate is installed on the inner wall of the sewage pipe.
[0011] As a preferred technical solution of this utility model, an inclined air outlet pipe II is installed inside the sewage pipe, and a filter screen III is provided inside the inclined air outlet pipe II.
[0012] Compared with the prior art, this utility model provides a waste gas treatment device for environmental engineering, which has the following beneficial effects:
[0013] This waste gas treatment device for environmental engineering uses a filter screen to create convection between the gas entering through the inlet pipe and the filter screen. This convection cleans the particles and deposits on the filter screen. The rotational motion creates a continuous relative velocity between the filter screen surface and the airflow, resulting in a shearing effect that efficiently removes particles adhering to the mesh of the filter screen, especially effective against sticky deposits. The filter screen drives two scrapers to rotate, cleaning the particles and deposits thrown from the inner wall of the barrier chamber and the particles and deposits on the second filter screen. The scrapers directly peel off stubborn deposits from the inner wall of the barrier chamber and the surface of the second filter screen through mechanical contact, thoroughly removing centrifugally settled particles and preventing corrosion of the barrier chamber caused by long-term accumulation. The scraped-off particles are directly guided into the sewage pipe, preventing secondary dispersion or re-adhesion of dirt within the barrier chamber. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0015] Figure 2 This is a schematic diagram of the internal structure of this utility model;
[0016] Figure 3 This is a schematic diagram of the overall structure of the power cleaning component of this utility model;
[0017] Figure 4 This is a schematic diagram of the overall structure of the filter screen in this utility model;
[0018] Figure 5 This is a schematic diagram of the internal structure of the inclined air outlet pipe of this utility model;
[0019] Figure 6 This is a schematic diagram of the internal structure of the sewage pipe of this utility model.
[0020] In the diagram: 1. Exhaust gas treatment box; 2. First treatment chamber; 3. Second treatment chamber; 4. Motor; 5. Rotating shaft; 6. Main drive wheel; 7. Driven drive wheel; 8. Belt; 9. Driven shaft; 10. Inlet pipe; 11. Baffle chamber; 12. Sewage pipe; 13. Sewage storage box; 14. Outer magnetic rotor shaft; 15. Inner magnetic rotor shaft; 16. Rotating column; 17. Filter screen; 18. Inclined exhaust pipe one; 19. Inclined exhaust pipe two; 20. Filter screen one; 21. Filter screen two; 22. Filter screen three; 23. Scraper; 24. Ball shaft; 25. Guide plate; 26. Vent hole. Detailed Implementation
[0021] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Please see Figures 1-6This utility model discloses a waste gas treatment device for environmental engineering, including a waste gas treatment box 1. The waste gas treatment box 1 has a first treatment chamber 2 and a second treatment chamber 3 inside. An inlet pipe 10 is installed inside the waste gas treatment box 1. A blocking circular chamber 11 is installed inside the first treatment chamber 2. One end surface of the inlet pipe 10 extends into the blocking circular chamber 11. An inner magnetic rotor shaft 15 is movably installed inside the blocking circular chamber 11. A rotating column 16 is movably installed inside the blocking circular chamber 11. One end surface of the inner magnetic rotor shaft 15 is flush with the rotating column 16. A filter plate 17 is mounted on one end surface. Inside the filter plate 17 are two filters 20. A power cleaning assembly is installed inside the exhaust gas treatment box 1. An inclined exhaust pipe 18 is mounted on the outer surface of the blocking circular chamber 11. A filter 21 is installed inside the inclined exhaust pipe 18. Two scrapers 23 are mounted on the outer surface of the filter plate 17. The outer surfaces of the scrapers 23 are in contact with the inner wall of the blocking circular chamber 11, and the outer surfaces of the scrapers 23 are in contact with the outer surfaces of the filters 21. The filter plate 17 rotates. The filter plate 17 interacts with the intake pipe 1. The incoming gas creates convection, thus cleaning particles and deposits on filter screen 20. The rotational motion creates a continuous relative velocity between the filter screen plate 17 and the airflow, forming a shearing effect that efficiently peels off particles adhering to the mesh of filter screen 20, especially effective at removing sticky deposits. This avoids the clogging problem of traditional static filters. The centrifugal force generated by the rotation throws particles outwards from the filter screen surface, creating a double peeling effect in conjunction with airflow convection, extending the effective filtration cycle of filter screen 20. Furthermore, filter screen plate 17 drives two scrapers 23 to rotate, scraping... The blade 23 cleans the particles and attachments thrown out from the inner wall of the blocking chamber 11 and the particles and attachments of the filter screen 21, cleaning a large number of particles and attachments into the sewage pipe 12. The scraper 23 directly peels off the stubborn attachments on the inner wall of the blocking chamber 11 and the surface of the filter screen 21 through mechanical contact. The scraper 23 rotates closely against the inner wall of the blocking chamber 11 to thoroughly remove the centrifugally settled particles, preventing long-term accumulation and corrosion of the blocking chamber 11. The scraped-off particles are directly introduced into the sewage pipe 12 to avoid secondary dispersion or re-attachment of dirt in the blocking chamber 11.
[0023] The power cleaning assembly includes a motor 4 and a rotating shaft 5. The motor 4 is mounted on the outer surface of the exhaust gas treatment box 1, and the rotating shaft 5 is mounted on the outer surface of the output end of the motor 4. One end of the rotating shaft 5 extends into the interior of the exhaust gas treatment box 1, and an external magnetic rotor shaft 14 is mounted on one end of the rotating shaft 5. A main drive wheel 6 is mounted on the outer surface of the rotating shaft 5. A sludge pipe 12 is mounted on the bottom surface of the blocking circular chamber 11. A sludge storage box 13 is movably installed inside the exhaust gas treatment box 1. A driven shaft 9 is movably installed inside the sludge pipe 12 and on the inner wall of the first treatment chamber 2. A driven drive wheel 7 is mounted on the outer surface of the driven shaft 9. A belt 8 is movably installed on the outer surface of the main drive wheel 6 and the outer surface of the driven drive wheel 7. A ball bearing 24 is mounted on one end of the driven shaft 9. The outer surface of the ball bearing 24 is connected to the inner surface of the sludge pipe 12. The ball shaft 24 has a vent hole 26 inside, and a guide plate 25 is installed on the inner wall of the sewage pipe 12. An inclined air outlet pipe 29 is installed inside the sewage pipe 12, and a filter screen 32 is installed inside the inclined air outlet pipe 29. Air is continuously drawn in through the air inlet pipe 10, and the motor 4 is controlled by the controller to work. The motor 4 drives the rotating shaft 5 to rotate, and the rotating shaft 5 drives the main drive wheel 6 and the outer magnetic rotor shaft 14 to rotate synchronously. The outer magnetic rotor shaft 14 drives the inner magnetic rotor shaft 15 to rotate synchronously, and the inner magnetic rotor shaft 15 drives the filter screen plate 17 and the rotating column 16 to rotate synchronously. The filter screen plate 17 rotates and forms convection with the air entering through the air inlet pipe 10, thereby cleaning the particles and attachments on the filter screen 20.
[0024] The working principle and usage process of this utility model are as follows: When treating exhaust gas, the exhaust gas enters the blocking circular chamber 11 through the inlet pipe 10. The exhaust gas passes through two filter screens 20 in the filter plate 17, and then through filter screen 21, and finally exits through the inclined outlet pipe 18. Particulate matter and attached objects in the exhaust gas will adhere to filter screens 20 and 21. Filter screens 20 block most of the particulate matter and attached objects, while a small amount of particulate matter and attached objects will adhere to filter screen 21. The gas enters the blocking circular chamber 11 through the inlet pipe 10. Filter screens 20 efficiently intercept large particulate matter and blocky attached objects in the exhaust gas. Through physical barrier and surface adsorption, they remove most of the impurities and undertake the main filtration task. Filter screen 21 performs secondary filtration, and the inclined outlet pipe is placed at an angle to prevent the backflow of external liquids or particulate matter by using gravity.
[0025] After the exhaust gas treatment is completed, air continues to be drawn in through the intake pipe 10. Simultaneously, the controller controls the motor 4 to operate, which drives the rotating shaft 5 to rotate. The rotating shaft 5 drives the main drive wheel 6 and the outer magnetic rotor shaft 14 to rotate synchronously. The outer magnetic rotor shaft 14 synchronously drives the inner magnetic rotor shaft 15 to rotate synchronously. The inner magnetic rotor shaft 15 drives the filter plate 17 and the rotating column 16 to rotate synchronously. The rotating filter plate 17 forms convection with the gas entering through the intake pipe 10, thereby cleaning the particles and adhering substances on the filter screen 20. The rotational motion creates a continuous relative velocity between the surface of the filter plate 17 and the airflow, forming a shearing effect that efficiently peels off particles adhering to the mesh of the filter screen 20, especially effectively removing sticky adhering substances, avoiding the problems associated with traditional static methods. To address the issue of easy clogging of static filters, the centrifugal force generated by rotation throws particles away from the surface of the filter screen, creating a double peeling effect in conjunction with airflow convection. This extends the effective filtration cycle of the filter screen. Furthermore, the filter plate 17 drives two scrapers 23 to rotate. The scrapers 23 clean the particles and attachments thrown from the inner wall of the blocking chamber 11 and the particles and attachments on the filter screen 21, removing a large amount of particles and attachments into the wastewater pipe 12. The scrapers 23 directly peel away stubborn attachments from the inner wall of the blocking chamber 11 and the surface of the filter screen 21 through mechanical contact. The scrapers 23 rotate closely against the inner wall of the blocking chamber 11, thoroughly removing centrifugally settled particles and preventing long-term accumulation that could lead to corrosion of the blocking chamber 11. The scraped-off particles are directly guided into the wastewater pipe 12, preventing secondary dispersion or re-attachment of contaminants within the blocking chamber 11.
[0026] Furthermore, the main drive wheel 6 drives the driven wheel 7 and the driven shaft 9 to rotate via the belt 8. The driven shaft 9 drives the ball shaft 24 to move, and the ball shaft 24 drives the vent 26 to rotate. Dirt flows into the outside of the ball shaft 24 or into the vent 26 through the guide plate 25. The vent 26 can allow airflow, thereby accelerating the flow of dirt. The airflow is discharged through the inclined air outlet pipe 19, and finally the dirt flows into the dirt storage box 13.
[0027] It should be noted that, in this document, terms such as "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A waste gas treatment device for environmental engineering, comprising a waste gas treatment box (1), wherein the waste gas treatment box (1) has a first treatment chamber (2) inside, the waste gas treatment box (1) has a second treatment chamber (3) inside, and an air inlet pipe (10) is installed inside the waste gas treatment box (1), characterized in that: The first processing chamber (2) is equipped with a blocking chamber (11). One end surface of the air inlet pipe (10) extends into the blocking chamber (11). An inner magnetic rotor shaft (15) is movably installed inside the blocking chamber (11). A rotating column (16) is movably installed inside the blocking chamber (11). A filter screen plate (17) is installed on one end surface of the inner magnetic rotor shaft (15) and one end surface of the rotating column (16). The filter screen plate (17) has two filter screens inside. (20) The exhaust gas treatment box (1) is equipped with a power cleaning component. An inclined air outlet pipe (18) is installed on the outer surface of the blocking circular chamber (11). A filter screen (21) is provided inside the inclined air outlet pipe (18). Two scrapers (23) are installed on the outer surface of the filter screen plate (17). The outer surface of the scraper (23) is in contact with the inner wall of the blocking circular chamber (11). The outer surface of the scraper (23) is in contact with the outer surface of the filter screen (21).
2. The waste gas treatment device for environmental engineering according to claim 1, characterized in that: The power cleaning assembly includes a motor (4) and a rotating shaft (5). The motor (4) is mounted on the outer surface of the exhaust gas treatment box (1), and the rotating shaft (5) is mounted on the outer surface of the output end of the motor (4). One end of the rotating shaft (5) extends into the interior of the exhaust gas treatment box (1).
3. The waste gas treatment device for environmental engineering according to claim 2, characterized in that: An external magnetic rotor shaft (14) is mounted on one end surface of the rotating shaft (5), and a main drive wheel (6) is mounted on the outer surface of the rotating shaft (5).
4. The waste gas treatment device for environmental engineering according to claim 3, characterized in that: A sludge pipe (12) is installed on the bottom surface of the blocking circular chamber (11), and a sludge storage box (13) is movably installed inside the waste gas treatment box (1).
5. A waste gas treatment device for environmental engineering according to claim 4, characterized in that: A driven shaft (9) is movably installed inside the sewage pipe (12) and on the inner wall of the first treatment chamber (2), and a driven drive wheel (7) is installed on the outer surface of the driven shaft (9).
6. The waste gas treatment device for environmental engineering according to claim 5, characterized in that: A belt (8) is movably mounted on the outer surface of the main drive wheel (6) and the outer surface of the driven wheel (7). A ball shaft (24) is mounted on one end surface of the driven shaft (9). The outer surface of the ball shaft (24) is in contact with the inner wall of the sewage pipe (12). A vent hole (26) is opened inside the ball shaft (24). A guide plate (25) is installed on the inner wall of the sewage pipe (12).
7. A waste gas treatment device for environmental engineering according to claim 6, characterized in that: The inside of the sewage pipe (12) is equipped with an inclined air outlet pipe II (19), and the inclined air outlet pipe II (19) is equipped with a filter screen III (22).