Catalytic waste gas treatment device for waste gas treatment

By introducing a variable frequency motor-driven cleaning scraper into the catalytic exhaust gas processor to automatically clean the filter screen, the problem of filter screen clogging is solved, exhaust gas treatment efficiency and equipment stability are improved, filter screen life is extended, and maintenance costs are reduced.

CN223732368UActive Publication Date: 2025-12-30DONGGUAN LYUYU ENVIRONMENTAL PROTECTION PURIFICATION ENG
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Patent Information

Application Number
CN202423208744.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-12-30
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

Existing catalytic exhaust gas processors are prone to filter blockage when treating industrial exhaust gases containing complex components such as particulate matter, oil mist, and dust. This leads to reduced exhaust gas throughput, increased equipment load, and shortened equipment lifespan.

Method used

An inverter motor is installed inside the housing to drive the rotating rod to move the cleaning scraper along the surface of the filter screen, achieving automatic cleaning. Combined with the impurity removal tank and external plate design, it facilitates the discharge of impurities and avoids filter screen clogging.

Benefits of technology

It significantly improves exhaust gas throughput and treatment efficiency, extends filter life, reduces maintenance costs, enhances equipment adaptability and stability, and facilitates daily maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a catalytic waste gas treater for waste gas treatment, which comprises a shell, a filter screen I, a filter screen II and a filter screen III are respectively and fixedly arranged at the positions close to the top, the center and the bottom in the shell, and support plates are respectively and fixedly connected above the filter screen I, the filter screen II and the filter screen III in the shell. And a variable frequency motor is fixedly mounted in the center of the top of the supporting plate. According to the catalytic waste gas treatment device for waste gas treatment, the variable frequency motor is arranged in the shell and drives the rotating rod to rotate, and then the battens and the cleaning scraping strips on the battens are driven to move along the surfaces of the filter screens, so that the filter screen I, the filter screen II and the filter screen III are automatically cleaned; by means of the design, the problem that the filter screen is blocked due to long-term impurity accumulation is effectively solved, the passing efficiency and the treatment effect of waste gas are remarkably improved, meanwhile, the cleaning process is more flexible and controllable due to the application of the variable frequency motor, and the cleaning frequency and strength can be adjusted according to actual requirements.
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Description

Technical Field

[0001] This utility model relates to the field of waste gas treatment technology, specifically a catalytic waste gas processor for waste gas treatment. Background Technology

[0002] In the current field of industrial waste gas treatment, waste gas treatment devices play a crucial role, as they not only affect the air quality of the production environment but also directly impact environmental protection and ecological balance. Among them, catalytic converters, as a highly efficient and environmentally friendly waste gas treatment technology, are widely used in various industrial waste gas purification processes.

[0003] Existing waste gas treatment devices, especially catalytic waste gas processors, rely heavily on filters as the primary physical barrier when continuously treating industrial waste gas containing complex components such as particulate matter, oil mist, and dust. These filters are prone to accumulating impurities. Once clogged, the waste gas throughput efficiency is significantly reduced, leading to a decrease in treatment effectiveness. Furthermore, the operating load on the equipment may increase, accelerating the wear and tear on the filters and other components, and shortening the equipment's lifespan. Utility Model Content

[0004] The purpose of this utility model is to provide a catalytic waste gas processor for waste gas treatment, in order to solve the problems mentioned in the background art regarding existing waste gas treatment devices, especially catalytic waste gas processors. When continuously treating industrial waste gas containing complex components such as particulate matter, oil mist, and dust, the filter screen, as the primary physical barrier, is prone to accumulating these impurities. Once the filter screen is clogged, it will not only significantly reduce the waste gas passage efficiency and lead to a decrease in treatment effect, but may also increase the operating load of the equipment, accelerate the wear of the filter screen and other components, and shorten the service life of the equipment.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a catalytic waste gas processor for waste gas treatment, comprising a housing, wherein filter screen one, filter screen two, and filter screen three are fixedly installed at the top, center, and bottom positions of the housing, respectively; support plates are fixedly connected above filter screen one, filter screen two, and filter screen three inside the housing; a variable frequency motor is fixedly installed at the center of the top of the support plate; a rotating rod is fixedly connected to the output end of the bottom of the variable frequency motor; the bottom of the three rotating rods extends through to the bottom of the three support plates and is rotatably connected to the center of the top of filter screen one, filter screen two, and filter screen three, respectively; strips are fixedly connected to the bottom positions of both sides of the rotating rods; cleaning scrapers are fixedly connected to the bottom of the strips; and the bottoms of the six cleaning scrapers contact the two sides of the top of filter screen one, filter screen two, and filter screen three, respectively.

[0006] Compared with the prior art, the beneficial effects of this utility model are:

[0007] This catalytic converter for waste gas treatment automatically cleans filters one, two, and three by using a variable frequency motor inside the housing to drive a rotating rod. This motor moves the cleaning blades and their cleaning strips along the filter screen surface. This design effectively avoids clogging caused by long-term accumulation of impurities, significantly improving waste gas throughput and treatment efficiency. Furthermore, the variable frequency motor makes the cleaning process more flexible and controllable, allowing adjustment of cleaning frequency and intensity according to actual needs, further enhancing the equipment's adaptability and stability. The cleaning blades also maintain a tight seal with the filter screen surface. The close contact design ensures effective removal of impurities, preventing excessive pressure on the filter screen due to clogging and thus extending its service life. Furthermore, the automatic cleaning system reduces the frequency of manual disassembly and cleaning, lowering maintenance and time costs. The impurity removal groove on one side of the housing, along with its corresponding external plate and blocking plate design, makes cleaning accumulated impurities during filter cleaning more convenient. Users simply need to open the blocking plate to drain the impurities from the impurity removal groove without disassembling the entire filter or equipment. This design not only improves the hygiene of the equipment but also facilitates daily maintenance and operation for users. Attached Figure Description

[0008] Figure 1 This is a schematic diagram of the structure of this utility model;

[0009] Figure 2 This utility model Figure 1 A magnified view of part A in the diagram;

[0010] Figure 3 This utility model Figure 1 A magnified view of part B in the diagram;

[0011] Figure 4 This is a three-dimensional view of the cleaning scraper of this utility model.

[0012] In the diagram: 1. Shell; 2. Support column; 3. Inlet pipe; 4. Outlet pipe; 5. Filter screen one; 6. Filter screen two; 7. Filter screen three; 8. Support plate; 9. Variable frequency motor; 10. Rotating rod; 11. Strip plate; 12. Cleaning scraper; 13. Impurity removal groove; 14. External plate; 15. Slot; 16. Clamping plate; 17. Blocking plate; 18. Sealing gasket; 19. Fixing bolt; 20. Pull plate. Detailed Implementation

[0013] 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.

[0014] Please see Figure 1-4 This utility model provides a technical solution: a catalytic waste gas processor for waste gas treatment, including a housing 1. Filter screen 5, filter screen 6, and filter screen 7 are fixedly installed near the top, center, and bottom of the housing 1, respectively. Support plates 8 are fixedly connected above each of the filter screens 5, 6, and 7 inside the housing 1. A variable frequency motor 9 is fixedly installed at the center of the top of the support plate 8. A rotating rod 10 is fixedly connected to the output end of the bottom of the variable frequency motor 9. The bottoms of the three rotating rods 10 extend through to the bottoms of the three support plates 8 and are rotatably connected to the center of the top of each of the filter screens 5, 6, and 7. Strips 11 are fixedly connected to the bottom of both sides of the rotating rods 10. Cleaning scrapers 12 are fixedly connected to the bottom of the strips 11. The bottoms of the six cleaning scrapers 12 contact the tops of the filter screens 5, 6, and 7, respectively.

[0015] An air inlet pipe 3 is connected to one side of the top of the housing 1, and an air outlet pipe 4 is connected to the center of the bottom of the housing 1.

[0016] Support columns 2 are fixedly connected to the four corners of the bottom of the shell 1.

[0017] On one side of the housing 1, above the side of filter screen 5, filter screen 6 and filter screen 7, there is a cleaning groove 13. An external plate 14 is provided at the center of one side of the housing 1. A blocking plate 17 is fixedly connected to the top, center and bottom of one side of the external plate 14. One side of the blocking plate 17 extends into the interior of the cleaning groove 13 and is engaged with the cleaning groove 13.

[0018] Pull plates 20 are fixedly connected to the top and bottom of the other side of the external plate 14.

[0019] A sealing gasket 18 is fixedly connected to the top of the impurity removal tank 13, and the bottom of the sealing gasket 18 contacts the top of the blocking plate 17.

[0020] Two slots 15 are provided on one side of the housing 1 near the center. On the other side of the outer plate 14, a plate 16 is fixedly connected to the top and bottom positions. The side of the plate 16 away from the outer plate 14 extends into the slot 15 and engages with the slot 15. On the other side of the outer plate 14, a fixing bolt 19 is threadedly connected to the top and bottom positions. One side of the fixing bolt 19 passes through the plate 16 and the housing 1 in sequence and is threadedly connected to the housing 1.

[0021] Working Principle: Industrial waste gas enters the housing 1 through the inlet pipe 3. The waste gas first undergoes preliminary filtration through filter screen 5 to remove larger particles and impurities. Next, it passes through filter screen 6 for further filtration, removing finer particles and oil mist. Finally, the waste gas undergoes deep purification through filter screen 7 to ensure that the emitted waste gas meets environmental standards. The purified waste gas is then discharged through the outlet pipe 4. When a certain amount of impurities accumulates on the surfaces of filter screens 5, 6, and 7, the variable frequency motor 9 is activated. The variable frequency motor 9 drives the rotating rod 10 to rotate. The bottom of the rotating rod 10 is rotatably connected to the center of the top of the filter screen. Therefore, the rotation of the rotating rod 10 causes the strips 11 on both sides to rotate along with the rotating rod 10. The cleaning scrapers 12 at the bottom of the strips 11 then move along with the filter screen. The surface slides to scrape away accumulated impurities. The design of the cleaning scraper 12 ensures close contact with the filter screen surface, effectively removing impurities while avoiding damage to the filter screen. When impurities accumulated during the filter screen cleaning process need to be cleaned, the outer plate 14 is first pulled outward by the pull plate 20. The movement of the outer plate 14 causes the blocking plate 17 to be pulled out of the impurity removal groove 13. At this time, the impurity removal groove 13 opens, and the accumulated impurities can be discharged from the groove opening. The design of the sealing gasket 18 ensures a tight seal between the blocking plate 17 and the impurity removal groove 13 to prevent exhaust gas leakage. After cleaning the impurities, the outer plate 14 is pushed back to its original position, and the blocking plate 17 is re-inserted into the impurity removal groove 13. The locking plate 16 of the outer plate 14 is fastened to the locking groove 15 of the housing 1 by the fixing bolt 19 to ensure the stability and sealing of the structure.

[0022] In summary, this catalytic converter for waste gas treatment, by incorporating a variable frequency motor 9 inside the housing 1 to drive the rotating rod 10, thereby moving the cleaning blades 12 along the filter screen surface, achieves automatic cleaning of filters 5, 6, and 7. This design effectively avoids clogging caused by long-term accumulation of impurities, significantly improving the efficiency and treatment effect of waste gas. Furthermore, the application of the variable frequency motor 9 makes the cleaning process more flexible and controllable, allowing adjustment of the cleaning frequency and intensity according to actual needs, further enhancing the adaptability and stability of the equipment. The cleaning blades 12 and the filter screen... The close contact between the surfaces ensures effective removal of impurities, preventing the filter from being subjected to excessive pressure due to clogging, thus extending the filter's service life. In addition, the automatic cleaning function reduces the frequency of manual disassembly and cleaning of the filter, lowering maintenance and time costs. The impurity removal groove 13 on one side of the housing 1, along with the matching external plate 14 and blocking plate 17, makes it more convenient to clean the impurities accumulated during filter cleaning. Users only need to open the blocking plate 17 to discharge the impurities from the impurity removal groove 13 without disassembling the entire filter or equipment. This design not only improves the hygiene of the equipment but also facilitates daily maintenance and operation for users.

[0023] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "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 process, method, article, or apparatus.

[0024] All electrical components mentioned in this article are connected to an external main controller and 220V AC mains power, and the main controller can be a conventional known device such as a computer that can control it.

[0025] 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 catalytic exhaust gas processor for exhaust gas treatment comprising a housing (1), characterized in that: The top, center and bottom positions in the shell (1) are fixedly installed with filter screen one (5), filter screen two (6) and filter screen three (7) respectively, the inside of the shell (1) is fixedly connected with support plate (8) above the filter screen one (5), filter screen two (6) and filter screen three (7) respectively, the top center of the support plate (8) is fixedly installed with variable frequency motor (9), the output end of the bottom of the variable frequency motor (9) is fixedly connected with rotating rod (10), the bottom of the three rotating rods (10) penetrates to the bottom of the three support plates (8) and is rotatably connected with the top center of the filter screen one (5), filter screen two (6) and filter screen three (7) respectively, the bottom of the both sides of the rotating rod (10) is fixedly connected with strip plate (11), the bottom of the strip plate (11) is fixedly connected with cleaning scraper (12), the bottom of the six cleaning scrapers (12) is respectively in contact with the top of both sides of the filter screen one (5), filter screen two (6) and filter screen three (7).

2. The catalytic type exhaust treatment device for treating exhaust gas according to claim 1, characterized by: The top of one side of the shell (1) is communicated with air inlet pipe (3), the bottom center of the shell (1) is communicated with air outlet pipe (4).

3. The catalytic exhaust processor for treating exhaust gas according to claim 1, characterized by: The bottom of the shell (1) is fixedly connected with support column (2) at the four corners.

4. The catalytic type exhaust gas treatment device for waste gas treatment according to claim 1, characterized in that: The top of one side of the shell (1) is fixedly connected with support column (2) at the four corners.

5. The catalytic exhaust processor for treating exhaust gas according to claim 4, characterized by: The top, center and bottom of one side of the shell (1) are fixedly connected with baffle plate (17), one side of the baffle plate (17) penetrates to the inside of the impurity removal groove (13) and is clamped with the impurity removal groove (13), the center of one side of the shell (1) is provided with external plate (14), the top, center and bottom of one side of the external plate (14) are fixedly connected with baffle plate (17), the center of one side of the shell (1) is provided with two clamping grooves (15).

6. The catalytic type exhaust gas treatment device for waste gas treatment according to claim 4, characterized in that: The top and bottom of the other side of the external plate (14) are fixedly connected with pull plate (20).

7. The catalytic exhaust processor for treating exhaust gas according to claim 4, wherein: The top of the inside of the impurity removal groove (13) is fixedly connected with sealing gasket (18), the bottom of the sealing gasket (18) is in contact with the top of the baffle plate (17). The top and bottom of the other side of the external plate (14) are fixedly connected with clamping plate (16), the side away from the external plate (14) of the clamping plate (16) penetrates to the inside of the clamping groove (15) and is clamped with the clamping groove (15), the top and bottom of the other side of the external plate (14) are screw connected with fixing bolt (19), one side of the fixing bolt (19) penetrates the clamping plate (16) and the shell (1) in sequence and is screw connected with the shell (1).