Pulse bag filter with automatic ash discharging function
By designing a dust collection box, air hood, and air inlet pipe into the pulse bag filter, backflow of ash is prevented, and automatic ash discharge is achieved through an air pump and solenoid valve, thus solving the problem of dust backflow and improving dust removal efficiency and cleaning convenience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANHUI LONGTE ENVIRONMENTAL PROTECTION TECH CO LTD
- Filing Date
- 2025-08-21
- Publication Date
- 2026-07-21
AI Technical Summary
Existing pulse jet baghouse dust collectors cannot effectively prevent dust from flowing back into the air inlet during ash discharge, which affects the dust removal effect and the air environment.
An automatic ash discharge pulse bag dust collector was designed. Through the cooperation of the dust collection box, air collection hood, air inlet pipe, U-shaped part, connector, rotating shaft and baffle, backflow of pulse ash is prevented. Automatic ash discharge is achieved through air pump, pressure box, pulse tube and solenoid valve. Combined with the ash collection cylinder and threaded ring structure, dust can be cleaned easily.
It prevents dust backflow during the ash unloading process, improves dust removal efficiency and air quality, and facilitates dust cleaning, enhancing the ash unloading effect and ease of use of the equipment.
Smart Images
Figure CN224524259U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of baghouse dust collectors, specifically a pulse baghouse dust collector with automatic ash unloading function. Background Technology
[0002] A baghouse dust collector is a dry dust filtration device suitable for collecting fine, dry, non-fibrous dust. The filter bags are made of woven filter cloth or non-woven felt, utilizing the filtration effect of the fibrous fabric to filter dust-laden gas. When dust-laden gas enters the baghouse dust collector, larger and heavier dust particles settle down due to gravity and fall into the ash hopper. When the gas containing finer dust passes through the filter media, the dust is trapped, thus purifying the gas.
[0003] The published patent document with announcement number CN211189449U discloses a dust collection device for a pulse bag filter. In this published patent document, the dust collection bucket and the dust collection hopper are connected by a connecting component, so that the dust will not spread into the air when it falls, thereby preventing dust from affecting the air environment of the factory area. However, the published patent document cannot block the air inlet when pulse unloading, and the dust from pulse unloading will flow back into the air inlet. Utility Model Content
[0004] The purpose of this invention is to provide a pulse bag dust collector with automatic ash removal function, which solves the problems mentioned in the background art.
[0005] This application provides a pulse bag dust collector with automatic ash discharge function, including a dust collection box. A matching box cover is fixedly installed on the top of the dust collection box, and a dust collection cylinder is provided below the dust collection box. A collecting hood is connected to the lower part of one side of the dust collection box, and an exhaust pipe is connected to the upper part of the other side of the dust collection box. An air inlet pipe is connected to one side of the collecting hood. A U-shaped component is fixedly installed on the inner wall of the dust collection box near the collecting hood. A connecting component is provided on the U-shaped component. A baffle is fixedly installed at the bottom of the connecting component, and a rotating shaft passes through the connecting component and the U-shaped component. The rotating shaft is fixedly connected to the connecting component and rotatably installed with the U-shaped component. The baffle contacts one side of the collecting hood, and the baffle is adapted to the collecting hood.
[0006] Optionally, the dust collection box is equipped with a matching dust collection plate inside. The dust collection plate has several round holes through which a cylindrical frame is fixedly installed. A matching dust collection bag is fitted and fixedly installed on the cylindrical frame. An air pump is fixedly installed on the top of the box cover, and a pressure box is fixedly installed on the bottom of the box cover. A pressure pipe runs through the box cover. The upper end of the pressure pipe is connected to the output end of the air pump, and the lower end of the pressure pipe is connected to the inside of the pressure box. A one-way valve is provided on the pressure pipe, and the one-way valve is for flow from top to bottom. Several pulse tubes are connected to the bottom of the pressure box, and solenoid valves are provided on the pulse tubes.
[0007] Optionally, the bottom of the dust collector is connected to a dust discharge pipe, and an external threaded ring is fitted and fixedly connected to the lower outer wall of the dust discharge pipe. A matching internal threaded ring is fitted and threadedly connected to the external threaded ring. The top of the dust collection cylinder is fixedly connected to the bottom of the internal threaded ring, and a matching dust collection bag is provided inside the dust collection cylinder.
[0008] Optionally, the number of the cylinder frame and the number of the pulse tube are equal, and each cylinder frame corresponds to each pulse tube.
[0009] Optionally, the upper inner wall of the dust collector box is provided with several open-top sliding grooves, and the outer wall of the dust collector plate is fixedly connected with several sliders that match the sliding grooves, and the sliders are located inside the sliding grooves.
[0010] Optionally, a number of positioning rods that match the sliding groove are fixedly connected to the outer edge of the bottom of the box cover.
[0011] Optionally, a matching bracket is fixedly installed on the lower inner side of the ash collection cylinder.
[0012] Optionally, a rectangular frame is welded to the outer wall of the dust collection box, and a support leg is fixedly installed at each of the four corners of the bottom of the rectangular frame, with an anti-slip pad at the bottom of the support leg.
[0013] Compared with the prior art, the beneficial effects of the technical solution of this application are as follows: 1. The technical solution of this application, through the coordinated use of dust collection box, air collection hood, air inlet pipe, U-shaped part, connector, rotating shaft and baffle, can not only enable the gas containing dust to reach each dust collection bag, ensuring the utilization rate of each dust collection bag, but also prevent backflow during pulse ash discharge, ensuring the ash discharge effect.
[0014] 2. The technical solution of this application achieves the function of automatic pulse ash discharge by using the dust removal plate, round hole, cylinder frame, dust removal bag, box cover, air pump, pressurization pipe, pressurization box, pulse tube and solenoid valve in combination, which makes dust cleaning more convenient.
[0015] 3. The technical solution of this application increases the convenience of installing and disassembling the ash collection cylinder by using the ash discharge pipe, external threaded ring, internal threaded ring, ash collection cylinder, ash collection bag and bracket in combination, thereby facilitating the cleaning of the collected dust. Attached Figure Description
[0016] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings: Figure 1 This is a schematic diagram of the structure of the present invention from the front view. Figure 2 This is a cross-sectional view of the dust collector box of this utility model. Figure 3 This utility model Figure 2 Enlarged view of point A in the middle; Figure 4 This is a top view of the dust collector box of this utility model. Figure 5 This is a structural schematic diagram of the box cover of this utility model from a bottom view; Figure 6 This is a partial structural schematic diagram of the dust collector and ash collection cylinder of this utility model, viewed from below.
[0017] In the diagram: 1. Dust collector box; 2. Box cover; 3. Air collection hood; 4. Exhaust pipe; 5. Inlet pipe; 6. Air pump; 7. Pressurization pipe; 8. One-way valve; 9. Ash discharge pipe; 10. Ash collection cylinder; 11. Rectangular frame; 12. Support leg; 13. Baffle; 14. Dust collector plate; 15. Dust collector bag; 16. U-shaped part; 17. Connecting part; 18. Rotary shaft; 19. Round hole; 20. Cylinder frame; 21. Slide groove; 22. Sliding block; 23. Pressurization box; 24. Pulse tube; 25. Solenoid valve; 26. Positioning rod; 27. External threaded ring; 28. Internal threaded ring; 29. Ash collection bag; 30. Support. Detailed Implementation
[0018] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0019] Please see Figure 1-4This utility model provides a pulse bag dust collector with automatic ash unloading function, including a dust collection box 1, a matching box cover 2 fixedly installed on the top of the dust collection box 1, and an ash collection cylinder 10 arranged below the dust collection box 1. A dust collection hood 3 is connected to the lower part of one side of the dust collection box 1, and an exhaust pipe 4 is connected to the upper part of the other side of the dust collection box 1. An air inlet pipe 5 is connected to one side of the dust collection hood 3. A U-shaped part 16 is fixedly installed on the inner wall of the side of the dust collection box 1 close to the dust collection hood 3. A connector 17 is provided on the U-shaped part 16. A baffle 13 is fixedly installed at the bottom of the connector 17. A rotating shaft 18 passes through the connector 17 and the U-shaped part 16. The rotating shaft 18 is fixedly connected to the connector 17, and the rotating shaft 18 and the U-shaped part 16 are rotatably installed. The baffle 13 contacts one side of the dust collection hood 3, and the baffle 13 is adapted to the dust collection hood 3. In this technical solution, when dust removal is performed, the gas containing dust is transported to the air collection hood 3 through the air inlet pipe 5. The gas then pushes open the baffle 13 through the air collection hood 3 and enters the dust collection box 1. The diffusion effect of the air collection hood 3 allows the gas to fully enter the dust collection box 1, so that the gas containing dust can reach each dust removal component. When pulse unloading is performed, the baffle 13 rotates and resets around the rotating shaft 18 due to its own gravity, so that the baffle 13 is attached to the air collection hood 3, preventing backflow during pulse unloading.
[0020] In some technical solutions, such as Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, the dust collection box 1 is equipped with a matching dust collection plate 14 inside. The dust collection plate 14 has several round holes 19. A cylinder frame 20 is fixedly installed through the round holes 19. A matching dust collection bag 15 is fitted and fixedly installed on the cylinder frame 20. An air pump 6 is fixedly installed on the top of the box cover 2, and a pressure box 23 is fixedly installed on the bottom of the box cover 2. A pressure pipe 7 passes through the box cover 2. The upper end of the pressure pipe 7 is connected to the output end of the air pump 6, and the lower end of the pressure pipe 7 is connected to the inside of the pressure box 23. A one-way valve 8 is provided on the pressure pipe 7. The one-way valve 8 is in the flow direction from top to bottom. Several pulse tubes 24 are connected to the bottom of the pressure box 23. A solenoid valve 25 is provided on the pulse tubes 24.
[0021] When in use, the air pump 6 delivers outside air to the pressurizing box 23 through the pressurizing pipe 7 for pressurization. The one-way valve 8 prevents the air in the pressurizing box 23 from flowing back through the pressurizing pipe 7. When ash removal is required, the solenoid valve 25 is opened, and the air in the pressurizing box 23 will be discharged through the pulse pipe 24, realizing the function of automatic pulse ash removal, which makes ash removal more convenient.
[0022] In some technical solutions, such as Figure 1 and Figure 6As shown, the bottom of the dust collector 1 is connected to the ash discharge pipe 9. The lower outer wall of the ash discharge pipe 9 is fitted with and fixedly connected to an external threaded ring 27. The external threaded ring 27 is fitted with and threadedly connected to a matching internal threaded ring 28. The top of the ash collection cylinder 10 is fixedly connected to the bottom of the internal threaded ring 28, and a matching ash collection bag 29 is provided inside the ash collection cylinder 10.
[0023] In use, the dust collected during ash removal can be collected through the dust collection bag 29 inside the dust collection cylinder 10. When it is necessary to clean the collected dust, rotate the dust collection cylinder 10 to drive the internal threaded ring 28 to rotate, so that the internal threaded ring 28 is unscrewed from the external threaded ring 27, and the dust collection cylinder 10 can be removed. This increases the convenience of installing and disassembling the dust collection cylinder 10, thereby facilitating the cleaning of the collected dust.
[0024] In some technical solutions, such as Figure 4-5 As shown, the number of cylinder frames 20 and pulse tubes 24 are equal, and each cylinder frame 20 corresponds to each pulse tube 24.
[0025] In use, the corresponding cylinder frame 20 and pulse tube 24 facilitate simultaneous pulse unloading of dust collector bags 15 on each cylinder frame 20.
[0026] In some technical solutions, such as Figure 4 As shown, the upper inner wall of the dust collector 1 has several grooves 21 with open tops, and the outer wall of the dust collector plate 14 is fixedly connected with several sliders 22 that match the grooves 21. The sliders 22 are located inside the grooves 21.
[0027] During use, the positioning effect of the slider 22 and the groove 21 ensures the accurate installation of the dust removal plate 14.
[0028] In some technical solutions, such as Figure 4-5 As shown, several positioning rods 26 that match the slide groove 21 are fixedly connected to the outer edge of the bottom of the box cover 2.
[0029] During use, the positioning rod 26 and the sliding groove 21 ensure the accurate installation of the box cover 2.
[0030] In some technical solutions, such as Figure 6 As shown, a matching bracket 30 is fixedly installed on the lower inner side of the ash collection cylinder 10.
[0031] When in use, the bracket 30 inside the ash collection cylinder 10 can support the ash collection bag 29.
[0032] In some technical solutions, such as Figure 1 As shown, a rectangular frame 11 is welded to the outer wall of the dust collection box 1. Support legs 12 are fixedly installed at the four corners of the bottom of the rectangular frame 11, and anti-slip pads are provided at the bottom of the support legs 12.
[0033] When in use, the anti-slip pads at the bottom of the support legs 12 increase the stability of the bag filter.
[0034] Working principle: During dust removal, dust-laden gas is conveyed to the air collection hood 3 through the air inlet pipe 5. The gas then pushes open the baffle 13 through the air collection hood 3 and enters the dust collection box 1. The diffusion effect of the air collection hood 3 allows the gas to fully enter the dust collection box 1, ensuring that the dust-laden gas reaches each dust collector bag 15. The dust collector bags 15 block the dust in the gas, and the gas then enters the dust collector plate 14 through the dust collector bags 15, the cylinder frame 20, and the round holes 19, finally being discharged through the exhaust pipe 4. When ash removal is required, the air pump 6 delivers outside air through the pressurization pipe 7 to the pressurization box 23 for pressurization. The one-way valve 8 is designed to prevent... To prevent air from flowing back from the pressurization pipe 7 in the pressurization box 23, the solenoid valve 25 is opened, and the air in the pressurization box 23 is discharged through the pulse pipe 24, realizing the function of automatic pulse ash discharge. When pulse ash discharge is performed, the baffle 13 rotates and resets around the rotating shaft 18 due to its own gravity, so that the baffle 13 is attached to the air collection hood 3, preventing backflow during pulse ash discharge. The discharged dust enters the dust collection bag 29 of the dust collection cylinder 10 through the dust discharge pipe 9. Rotating the dust collection cylinder 10 drives the internal threaded ring 28 to rotate, so that the internal threaded ring 28 is unscrewed from the external threaded ring 27, and the dust collection cylinder 10 can be removed for easy cleaning of the collected dust.
[0035] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.
Claims
1. A pulse bag filter with automatic ash discharge function, comprising a dust collection box (1), characterized in that: The dust collector (1) is fixedly fitted with a matching cover (2) on its top, and a dust collection cylinder (10) is provided below the dust collector (1). A dust collection hood (3) is connected to the lower part of one side of the dust collector (1), and an exhaust pipe (4) is connected to the upper part of the other side of the dust collector (1). An air inlet pipe (5) is connected to one side of the dust collection hood (3). A U-shaped component (16) is fixedly installed on the inner wall of the dust collector (1) near the dust collection hood (3). A connector (17) is provided on the U-shaped part (16). A baffle (13) is fixedly installed at the bottom of the connector (17). A rotating shaft (18) passes through the connector (17) and the U-shaped part (16). The rotating shaft (18) is fixedly connected to the connector (17). The rotating shaft (18) is rotatably installed with the U-shaped part (16). The baffle (13) contacts one side of the air collecting hood (3). The baffle (13) is adapted to the air collecting hood (3).
2. The pulse bag dust collector with automatic ash unloading function according to claim 1, characterized in that, The dust collection box (1) is equipped with a matching dust collection plate (14). The dust collection plate (14) has several round holes (19). A cylindrical frame (20) is installed through and fixedly installed in the round holes (19). A matching dust collection bag (15) is fitted and fixedly installed on the cylindrical frame (20). An air pump (6) is fixedly installed on the top of the box cover (2). A pressure box (23) is fixedly installed on the bottom of the box cover (2). A pressure pipe (7) passes through the box cover (2). The upper end of the pressure pipe (7) is connected to the output end of the air pump (6), and the lower end of the pressure pipe (7) is connected to the inside of the pressure box (23). A one-way valve (8) is provided on the pressure pipe (7). The one-way valve (8) is in the flow direction from top to bottom. Several pulse tubes (24) are connected to the bottom of the pressure box (23). A solenoid valve (25) is provided on the pulse tube (24).
3. A pulse bag filter with automatic ash removal function according to claim 1, characterized in that, The bottom of the dust collector (1) is connected to a dust discharge pipe (9). An external threaded ring (27) is fitted and fixedly connected to the lower outer wall of the dust discharge pipe (9). A matching internal threaded ring (28) is fitted and threadedly connected to the external threaded ring (27). The top of the dust collection cylinder (10) is fixedly connected to the bottom of the internal threaded ring (28). A matching dust collection bag (29) is provided inside the dust collection cylinder (10).
4. A pulse bag dust collector with automatic ash removal function according to claim 2, characterized in that, The number of cylinder frames (20) is equal to the number of pulse tubes (24), and each cylinder frame (20) corresponds to each pulse tube (24).
5. A pulse bag filter with automatic ash removal function according to claim 2, characterized in that, The upper inner wall of the dust collector (1) is provided with several grooves (21) with open tops. The outer wall of the dust collector plate (14) is fixedly connected with several sliders (22) that match the grooves (21). The sliders (22) are located inside the grooves (21).
6. A pulse bag filter with automatic ash removal function according to claim 5, characterized in that, Several positioning rods (26) that match the slide groove (21) are fixedly connected to the outer edge of the bottom of the box cover (2).
7. A pulse bag filter with automatic ash removal function according to claim 3, characterized in that, A matching bracket (30) is fixedly installed on the lower inner side of the ash collection cylinder (10).
8. A pulse bag filter with automatic ash removal function according to claim 1, characterized in that, The outer wall of the dust collector (1) is welded with a rectangular frame (11), and the four corners of the bottom of the rectangular frame (11) are fixedly installed with support legs (12), and the bottom of the support legs (12) is provided with anti-slip pads.