Air uniformizing device of bag-type dust collector
By designing a air equilibrium device and a brush system in the bag dust collector, the problem of excessive dust adsorption of the bag is solved, resulting in a reduced filtration effect, and a more efficient dust removal effect and a convenient cleaning process are achieved.
Patent Information
- Application Number
- CN202421904138.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-07
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-08-07
AI Technical Summary
In existing bag dust collectors, the dust adsorbed by the bag during the filtration process gradually increases, resulting in a decrease in the filtration effect.
A bag dust collector air-equilibration device is designed. By driving the motor to drive the screw and the moving plate to move, the brush is brushed on the outer wall of the bag to brush dust, and the dust-containing gas is uniformly escaped through the air-equilibration mechanism to improve dust removal efficiency.
It effectively avoids the reduction of filtering effect caused by excessive dust adsorption of the bag, improves dust removal efficiency, and facilitates the cleaning and replacement of the air cloth plate.
Smart Images
Figure CN222900526U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bag filters, in particular to an air distribution device for a bag filter. Background Art
[0002] A bag filter is a dry dust filtering device, suitable for collecting fine, dry and non-fibrous dust. The dust removal bag is a key part during the operation of the bag filter, usually cylindrical, and vertically suspended in the dust collector.
[0003] However, during the filtration process of the bag in the existing bag filter, as the dust adsorbed by the bag gradually increases, the filtration effect of the bag is reduced, and the filtration effect is poor. Summary of the Utility Model
[0004] The purpose of the utility model is to solve the problem that the dust adsorbed by the bag in the prior art gradually increases, resulting in the reduction of the filtration effect of the bag, and to propose an air distribution device for a bag filter.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme: an air distribution device for a bag filter, including a dust removal box, a baffle is fixedly connected to the inner side of the dust removal box, a mounting plate is fixedly connected to one side of the baffle, a support plate is fixedly connected to one side of the baffle, a dust removal bag is arranged at the bottom of the mounting plate, the bottom end of the dust removal bag penetrates through the support plate, a fixing rod is fixedly connected to the opposite side of the mounting plate and the support plate, a screw rod is rotatably connected to the opposite side of the mounting plate and the support plate, and the smooth end of the screw rod movably penetrates through the mounting plate. A moving plate is sleeved on the outer surfaces of the fixing rod and the screw rod. A through hole is opened at the top of the moving plate, and a brush is fixedly connected in the through hole. The dust removal bag is inserted through the middle of the brush. A fixing plate is fixedly connected to one side of the dust removal box, a driving motor is installed on the top of the fixing plate, an output end of the driving motor is fixedly connected to a rotating shaft, one end of the rotating shaft movably penetrates through the dust removal box, and bevel gears are fixedly connected to one end of the rotating shaft and the smooth end of the screw rod respectively. The two bevel gears are meshed with each other. A rectangular groove is opened on one side of the dust removal box, and an air distribution mechanism is arranged on one side of the baffle.
[0006] Preferably, the air distribution mechanism includes a fixing shell, the fixing shell is fixedly connected to one side of the baffle, and a return spring is fixedly connected inside the fixing shell.
[0007] Preferably, a contact plate is slidably connected inside the fixing shell, one end of the return spring is fixedly connected to the contact plate, and an air distribution plate is arranged inside the dust removal box.
[0008] Preferably, air holes are opened at the top of the air distribution plate, a rotating rod is rotatably connected to one side of the dust removal box, and a limiting plate is fixedly sleeved on the outer surface of the rotating rod.
[0009] Preferably, an exhaust pipe is fixedly communicated with the top of the dust removal box, and an air inlet pipe is fixedly communicated with one side of the dust removal box.
[0010] Preferably, a dust collecting hopper is arranged at the bottom of the dust removal box, and supporting legs are fixedly connected to the bottom of the dust removal box.
[0011] Preferably, a guide plate is fixedly connected inside the dust removal box, and the guide plate is inclined.
[0012] Preferably, the moving plate is in threaded connection with the screw rod, and the moving plate is slidably connected with the fixed rod.
[0013] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:
[0014] 1. In the present utility model, by starting the driving motor, the driving motor drives the rotating shaft to rotate. Since the two bevel gears are meshed, the screw rod is driven to rotate. At the same time, the fixed rod limits the moving plate, so that the screw rod drives the moving plate to move downward, and the moving plate drives the brush to move downward. By brushing the outer wall of the cloth bag with the brush, it is convenient to brush off the dust, and avoid the reduction of the filtering effect of the cloth bag due to excessive adsorption of dust.
[0015] 2. In the present utility model, by providing a uniform air distribution mechanism, when the dust-containing gas goes upward, it passes through the air distribution plate and evenly escapes through a plurality of air holes, so that the dust-containing gas is more uniform, enabling it to fully contact the cloth bag, improving the dust removal efficiency. At the same time, by rotating the limit plate, the limit plate no longer restricts the air distribution plate. By the abutting plate abutting against the air distribution plate, under the elastic force of the reset spring, the abutting plate drives the air distribution plate to pop out of the dust removal box, facilitating the cleaning and replacement of the air distribution plate. Description of the Drawings
[0016] Figure 1 is a three-dimensional view of the main structure of a uniform air distribution device for a bag filter proposed by the present utility model;
[0017] Figure 2 is a three-dimensional view of the right-side structure of a uniform air distribution device for a bag filter proposed by the present utility model;
[0018] Figure 3 is a three-dimensional view of the sectional structure of a uniform air distribution device for a bag filter proposed by the present utility model;
[0019] Figure 4 is a three-dimensional view of the structure of a rectangular groove in a uniform air distribution device for a bag filter proposed by the present utility model;
[0020] Figure 5 is Figure 3 the enlarged view at A in
[0021] Figure 6 The present utility model provides a sectional three-dimensional view of a dust removal box in an air distribution device of a bag dust collector.
[0022] Legend: 1. Dust removal box; 2. Baffle; 3. Mounting plate; 4. Support plate; 5. Filter bag; 6. Fixed rod; 7. Screw rod; 8. Moving plate; 9. Through hole; 10. Brush; 11. Fixed plate; 12. Driving motor; 13. Rotating shaft; 14. Bevel gear; 15. Rectangular groove; 16. Air distribution mechanism; 161. Fixed shell; 162. Return spring; 163. Contact plate; 164. Air distribution plate; 165. Air hole; 166. Rotating rod; 167. Limiting plate; 17. Exhaust pipe; 18. Air inlet pipe; 19. Ash hopper; 20. Support leg; 21. Deflector. Detailed implementation manners
[0023] In order to more clearly understand the above-mentioned objects, features and advantages of the present utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
[0024] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model may also be implemented in other ways different from those described herein. Therefore, the present utility model is not limited by the specific embodiments disclosed in the following specification.
[0025] Embodiment 1: As Figure 1 - Figure 6 shown, the present utility model provides an air distribution device for a bag dust collector, including a dust removal box 1. A baffle 2 is fixedly connected to the inner side of the dust removal box 1. A mounting plate 3 is fixedly connected to one side of the baffle 2. A support plate 4 is fixedly connected to one side of the baffle 2. A filter bag 5 is arranged at the bottom of the mounting plate 3. The bottom end of the filter bag 5 penetrates through the support plate 4. Fixed rods 6 are fixedly connected to the opposite sides of the mounting plate 3 and the support plate 4. A screw rod 7 is rotatably connected to the opposite sides of the mounting plate 3 and the support plate 4, and the smooth end of the screw rod 7 movably penetrates through the mounting plate 3. A moving plate 8 is sleeved on the outer surfaces of the fixed rod 6 and the screw rod 7. A through hole 9 is opened at the top of the moving plate 8. A brush 10 is fixedly connected inside the through hole 9. The filter bag 5 is inserted through the middle of the brush 10. A fixed plate 11 is fixedly connected to one side of the dust removal box 1. A driving motor 12 is installed on the top of the fixed plate 11. The output end of the driving motor 12 is fixedly connected to a rotating shaft 13. One end of the rotating shaft 13 movably penetrates through the dust removal box 1. Bevel gears 14 are fixedly connected to one end of the rotating shaft 13 and the smooth end of the screw rod 7 respectively. The two bevel gears 14 are meshed with each other. A rectangular groove 15 is opened on one side of the dust removal box 1. An air distribution mechanism 16 is arranged on one side of the baffle 2.
[0026] The effect achieved by the entire Embodiment 1 is that by starting the drive motor 12, the drive motor 12 drives the rotation of the rotating shaft 13. Since the two bevel gears 14 are meshed and connected, the screw rod 7 is driven to rotate. At the same time, the fixed rod 6 limits the moving plate 8, so that the screw rod 7 drives the moving plate 8 to move downward, and the moving plate 8 drives the brush 10 to move downward. By brushing the outer wall of the cloth bag 5 with the brush 10, it is convenient to brush off the dust, avoiding the reduction of the filtering effect of the cloth bag 5 due to excessive dust adsorption on the cloth bag 5.
[0027] Embodiment 2: As Figure 1 - Figure 6 shown, the air distribution mechanism 16 includes a fixed housing 161. The fixed housing 161 is fixedly connected to one side of the baffle 2. A return spring 162 is fixedly connected inside the fixed housing 161. A contact plate 163 is slidably connected inside the fixed housing 161. One end of the return spring 162 is fixedly connected to the contact plate 163. An air distribution plate 164 is arranged inside the dust removal box 1. Air holes 165 are formed at the top of the air distribution plate 164. A rotating rod 166 is rotatably connected to one side of the dust removal box 1. A limiting plate 167 is fixedly sleeved on the outer surface of the rotating rod 166. An exhaust pipe 17 is fixedly communicated with the top of the dust removal box 1. An air inlet pipe 18 is fixedly communicated with one side of the dust removal box 1. A dust collection hopper 19 is arranged at the bottom of the dust removal box 1. Support legs 20 are fixedly connected to the bottom of the dust removal box 1. A guide plate 21 is fixedly connected inside the dust removal box 1. The guide plate 21 is inclined. The moving plate 8 is threadedly connected to the screw rod 7, and the moving plate 8 is slidably connected to the fixed rod 6.
[0028] The effect achieved by the entire Embodiment 2 is that by providing the air distribution mechanism 16, when the dust-containing gas moves upward, it passes through the air distribution plate 164 and uniformly escapes through the multiple air holes 165, so that the dust-containing gas is more uniform, enabling it to fully contact the cloth bag 5 and improving the dust removal efficiency. At the same time, by rotating the limiting plate 167, the limiting plate 167 no longer restricts the air distribution plate 164. When the contact plate 163 abuts against the air distribution plate 164, under the elastic force of the return spring 162, the contact plate 163 drives the air distribution plate 164 to pop out of the dust removal box 1, facilitating the cleaning and replacement of the air distribution plate 164. Through the provided exhaust pipe 17, it is convenient for the processed gas to be discharged to the outside. The provided air inlet pipe 18 is convenient for the dust-containing gas to enter the inside of the dust removal box 1. Through the provided dust collection hopper 19, it is convenient for the particles and heavier impurity particles in the dust-containing gas to fall into the dust collection hopper 19 under the action of gravity. The provided support legs 20 play a supporting role for the dust removal box 1. Through the provided guide plate 21, it is convenient for the gas to move upward and can collect the dust brushed off by the cloth bag 5 under the action of the guide plate 21.
[0029] Working principle: When in use, first, the dusty gas to be processed is introduced into the dust removal box 1 through the air inlet pipe 18. Since the flow rate of the air when it enters is relatively large, it is buffered by the baffle 2 to make it flow downward. Particles and impurity particles with a larger specific gravity fall into the ash collection hopper 19 under the action of gravity. Then, the dusty gas moves upward under the action of the flow guiding plate 21, and the lighter impurities rise along with the air flow. Then, when the dusty gas moves upward, it passes through the air distribution plate 164 and uniformly escapes through a plurality of air holes 165, so that the dusty gas is more uniform, enabling it to fully contact the cloth bag 5 and improving the dust removal efficiency. Finally, the processed gas is discharged to the outside through the exhaust pipe 17. When too much dust is adsorbed on the cloth bag 5, the driving motor 12 is started, so that the driving motor 12 drives the rotating shaft 13 to rotate. Since the two bevel gears 14 are meshed and connected, the screw rod 7 is driven to rotate. At the same time, the fixed rod 6 limits the moving plate 8, so that the screw rod 7 drives the moving plate 8 to move downward, and the moving plate 8 drives the brush 10 to move downward. By brushing the outer wall of the cloth bag 5 with the brush 10, it is convenient to brush off the dust, avoiding the reduction of the filtering effect of the cloth bag 5 due to excessive dust adsorption. When it is necessary to clean and replace the air distribution plate 164, by rotating the limiting plate 167, the limiting plate 167 no longer restricts the air distribution plate 164. By making the abutting plate 163 abut against the air distribution plate 164, under the elastic force of the return spring 162, the abutting plate 163 drives the air distribution plate 164 to pop out of the dust removal box 1. During installation, the air distribution plate 164 is inserted into the fixed shell 161 through the rectangular groove 15 and pressed, so that the air distribution plate 164 is flush with the surface of the dust removal box 1. At the same time, the return spring 162 starts to contract under the extrusion of the abutting plate 163. Finally, the limiting plate 167 is rotated so that the limiting plate 167 limits and fixes the air distribution plate 164.
[0030] The above is only a preferred embodiment of the present invention, and it does not limit the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present invention, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims
1. A bag dust collector air distribution device, comprising a dust removal box (1), characterized in that: The inner side of the dust removal box (1) is fixedly connected with a baffle (2), one side of the baffle (2) is fixedly connected with a mounting plate (3), one side of the baffle (2) is fixedly connected with a support plate (4), a cloth bag (5) is arranged at the bottom of the mounting plate (3), the bottom end of the cloth bag (5) passes through the support plate (4), a fixing rod (6) is fixedly connected to the opposite side of the mounting plate (3) and the support plate (4), a screw rod (7) is rotatably connected to the opposite side of the mounting plate (3) and the support plate (4), and the smooth end of the screw rod (7) movably passes through the mounting plate (3), the outer surfaces of the fixing rod (6) and the screw rod (7) are sleeved with a movable plate (8), and the top of the movable plate (8) is provided with a through hole (9) ), a brush (10) is fixedly connected in the through hole (9), the cloth bag (5) is inserted and connected to the middle part of the brush (10), a fixed plate (11) is fixedly connected to one side of the dust removal box (1), a driving motor (12) is installed on the top of the fixed plate (11), the output end of the driving motor (12) is fixedly connected to a rotating shaft (13), one end of the rotating shaft (13) is movably passed through the dust removal box (1), one end of the rotating shaft (13) and the smooth end of the screw (7) are fixedly connected to a bevel gear (14), the two bevel gears (14) are meshingly connected, a rectangular groove (15) is opened on one side of the dust removal box (1), and an air distribution mechanism (16) is arranged on one side of the baffle (2).
2. The air distribution device for a bag dust collector according to claim 1, characterized in that: The wind equalizing mechanism (16) comprises a fixed shell (161), the fixed shell (161) is fixedly connected to one side of the baffle (2), and a return spring (162) is fixedly connected inside the fixed shell (161).
3. The air distribution device for a bag dust collector according to claim 2, characterized in that: An abutment plate (163) is slidably connected inside the fixed shell (161), one end of the return spring (162) is fixedly connected to the abutment plate (163), and an air distribution plate (164) is arranged inside the dust removal box (1).
4. The air distribution device for a bag dust collector according to claim 3 is characterized in that: An air hole (165) is provided on the top of the air distribution plate (164); a rotating rod (166) is rotatably connected to one side of the dust removal box (1); and a limiting plate (167) is fixedly sleeved on the outer surface of the rotating rod (166).
5. The air distribution device for a bag dust collector according to claim 1, characterized in that: The top of the dust removal box (1) is fixedly connected to an exhaust pipe (17), and one side of the dust removal box (1) is fixedly connected to an air intake pipe (18).
6. The air distribution device for a bag dust collector according to claim 1, characterized in that: A dust collecting hopper (19) is provided at the bottom of the dust removal box (1), and a supporting leg (20) is fixedly connected to the bottom of the dust removal box (1).
7. The air distribution device for a bag dust collector according to claim 1, characterized in that: A guide plate (21) is fixedly connected inside the dust removal box (1), and the guide plate (21) is arranged in an inclined manner.
8. The air distribution device for a bag dust collector according to claim 1, characterized in that: The movable plate (8) is threadedly connected to the screw rod (7), and the movable plate (8) is slidably connected to the fixed rod (6).