A rapping cleaning device for a baghouse

Abstract

The utility model belongs to cloth bag dust collector technical field relates to a cloth bag dust collector's shake -off type cleaning device, including bag -type dust collector body, it still includes: setting at the filter bag top fixed frame, filter bag ash hitting device and filter bag elevating gear, filter bag ash hitting device with filter bag elevating gear all install on fixed frame, filter bag ash hitting device includes drive mechanism and a plurality of pivot, drive mechanism with fixed frame connects, a plurality of pivot longitudinal setting and respectively located between two adjacent filter bag, be equipped with a plurality of connecting ropes on pivot, the end of connecting rope is equipped with pellet, drive mechanism work drive pivot rotation to make pellet knock clean filter bag, filter bag elevating gear with the mount frame of filter bag is connected for drive filter bag vibrates in longitudinal direction. The utility model sets up filter bag ash hitting device and filter bag elevating gear, compound ash removal, effectively destroy the dust layer and the cohesive force of filter bag.

Description

Technical Field

[0001] This utility model belongs to the technical field of baghouse dust collectors, and in particular relates to a vibrating cleaning device for baghouse dust collectors. Background Technology

[0002] Baghouse dust collectors are widely used dust removal equipment in industrial flue gas purification. They filter dust-laden gas through filter bags to achieve gas-solid separation. During long-term operation, a dust layer gradually accumulates on the surface of the filter bags, leading to increased operating resistance and decreased dust removal efficiency. Therefore, it is necessary to clean the filter bags regularly.

[0003] Traditional dust removal methods mainly include pulse jet cleaning and mechanical rapping. Among them, rapping dust removal devices use mechanical vibration to remove dust from the surface of the filter bags, and have advantages such as simple structure and low energy consumption. However, existing rapping dust removal devices mostly use overall rapping or unidirectional rapping, which has problems such as uneven dust removal, easy damage to filter bags, and unsatisfactory dust removal effect. Utility Model Content

[0004] The purpose of this utility model is to provide a vibrating cleaning device for a bag filter to solve the technical problems mentioned in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A vibratory cleaning device for a bag filter dust collector includes a bag filter body, and further includes: a fixed frame disposed above the filter bags, a filter bag dust removal device, and a filter bag lifting device; the filter bag dust removal device and the filter bag lifting device are both mounted on the fixed frame; The filter bag dust removal device includes a drive mechanism and multiple rotating shafts. The drive mechanism is connected to the fixed frame. The multiple rotating shafts are arranged longitudinally and located between two adjacent filter bags. Each rotating shaft is provided with several connecting ropes, and the ends of the connecting ropes are provided with projectiles. The drive mechanism drives the rotating shafts to rotate so that the projectiles knock and clean the filter bags. The filter bag lifting device is connected to the filter bag mounting frame and is used to drive the filter bag to vibrate longitudinally.

[0006] As a further improvement of this utility model, the driving mechanism includes a motor, a transmission shaft, and a transmission assembly; the motor is installed on the outer wall of the bag filter body, and its output shaft passes through the side wall of the bag filter body and is coaxially connected to the transmission shaft. The transmission assembly is provided on the transmission shaft, and the transmission assembly is connected to the rotating shaft to transmit rotation to the rotating shaft.

[0007] As a further improvement of this utility model, the transmission assembly includes multiple sets of bevel gear one and bevel gear two, the bevel gear one and the bevel gear two meshing; the bevel gear one is coaxially connected to the transmission shaft, and each bevel gear two is coaxially connected to a rotating shaft.

[0008] As a further improvement of this utility model, the driving mechanism is connected to the limiting frame, the limiting frame is installed on the upper part of the fixed frame, and its bottom passes through the rotating shaft.

[0009] As a further improvement of this utility model, the filter bag lifting device includes a second motor, a cam, a lifting rod, and a sleeve; the second motor and the sleeve are mounted on the fixed frame, the output shaft of the second motor is connected to the center of the cam, one end of the cam is connected to the upper part of the lifting rod through a connecting rod, and the lifting rod is slidably disposed inside the sleeve and its bottom is connected to the mounting frame.

[0010] As a further improvement of this utility model, the filter bag lifting device includes multiple elastic components, which are symmetrically arranged on the left and right sides inside the bag filter body.

[0011] As a further improvement of this utility model, the elastic component includes a screw and a spring, the screw passing through the mounting bracket and the fixing bracket from bottom to top, and being fixedly connected to the mounting bracket by a locking nut; A fixing nut is provided on the upper part of the screw, and a spring is threaded through the screw between the fixing nut and the fixing frame.

[0012] The beneficial effects of adopting the above technical solution are as follows: This invention utilizes multiple rotating shafts and connecting ropes with projectiles. A drive mechanism rotates the shafts, causing the projectiles to strike the filter bags from multiple directions. This avoids wear or breakage caused by hard impacts, achieving comprehensive and uniform cleaning of the filter bag surface. It is particularly suitable for narrow spaces between adjacent filter bags, effectively avoiding cleaning dead zones. A filter bag lifting device causes longitudinal vibration of the filter bags, forming a composite cleaning mode of "lateral striking + longitudinal vibration," which effectively breaks the bond between the dust layer and the filter bag, making it especially suitable for cleaning sticky dust or fine particulate dust. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of part of the internal structure of this utility model; Figure 3 This is a schematic diagram of the filter bag, filter bag dust removal device, and filter bag lifting device of this utility model; Figure 4This is a schematic diagram of the filter bag dust removal device of this utility model; Figure 5 for Figure 3 Enlarged view of point A; The markings in the diagram are as follows: 1. Fixed frame, 2. Rotating shaft, 3. Filter bag, 4. Connecting rope, 5. Shot, 6. Mounting bracket, 7. Motor 1, 8. Drive shaft, 9. Bevel gear 1, 10. Bevel gear 2, 11. Limiting frame, 12. Motor 2, 13. Cam, 14. Lifting rod, 15. Sleeve, 16. Screw, 17. Spring, 18. Locking nut, 19. Fixing nut, 20. Bag dust collector body. Detailed Implementation

[0014] To better understand the purpose, structure, and function of this utility model, a clear and complete description of this utility model will be provided below in conjunction with the accompanying drawings.

[0015] like Figures 1-5 The illustrated shaker-type cleaning device for a bag filter dust collector includes a bag filter body 20, which also includes a fixing frame 1, a filter bag dust removal device, and a filter bag lifting device. The fixing frame 1 is positioned above the filter bags 3, and both the filter bag dust removal device and the filter bag lifting device are mounted on the fixing frame 1. The bag filter body adopts an existing general-purpose bag filter, including a housing. Inside the housing, a fan is installed in the upper part, filter bags are installed in the middle, and a dust collection section is installed in the lower part. These are all conventional structures of bag filters in the prior art, and their specific construction, connection relationships, and working principles are well known to those skilled in the art and will not be described in detail here.

[0016] The filter bag cleaning device includes a drive mechanism and multiple rotating shafts 2. The drive mechanism is connected to a fixed frame 1. The multiple rotating shafts 2 are arranged longitudinally and located between two adjacent filter bags 3. Each rotating shaft 2 is equipped with several connecting ropes 4, which are made of flexible material, and each end of the connecting rope 4 is equipped with a projectile 5. When the drive mechanism operates, it drives the rotating shaft 2 to rotate, causing the projectile 5 to be thrown out under centrifugal force, striking the surface of the adjacent filter bags 3 to achieve the cleaning function. The projectile 5 is connected to the rotating shaft 2 through the flexible connecting ropes 4, which can effectively buffer the impact force and reduce damage to the filter bags 3.

[0017] Furthermore, the drive mechanism includes a motor 7, a drive shaft 8, and a transmission assembly. The motor 7 is mounted on the outer wall of the bag filter body 20, and its output shaft passes through the side wall of the bag filter body 20 and is coaxially connected to the drive shaft 8. The drive shaft 8 is equipped with a transmission assembly, which is connected to the rotating shaft 2, transmitting the rotation of the motor 7 to the rotating shaft 2. This structure enables a single power source to drive multiple rotating shafts 2 to rotate synchronously, improving transmission efficiency and energy utilization.

[0018] The transmission assembly includes multiple sets of bevel gears 9 and 10, which mesh with each other. Each bevel gear 9 is coaxially connected to the transmission shaft 8, and each bevel gear 10 is coaxially connected to a rotating shaft 2. Through bevel gear transmission, horizontal rotation can be converted into vertical rotation, adapting to the longitudinal arrangement requirements of the rotating shaft 2. The structure is compact and the transmission is reliable.

[0019] The drive mechanism is also connected to the limiting frame 11, which is installed on the upper part of the fixed frame 1 and its bottom passes through the rotating shaft 2. The limiting frame 11 supports and limits the rotating shaft 2, ensuring the stability and coaxiality of the rotating shaft 2 during rotation, and preventing transmission failure or equipment damage due to vibration or off-center load.

[0020] The filter bag lifting device is connected to the mounting frame 6 of the filter bag 3 and is used to drive the filter bag 3 to vibrate longitudinally. The device includes a second motor 12, a cam 13, a lifting rod 14, and a sleeve 15. The second motor 12 and the sleeve 15 are mounted on the fixed frame 1, and the output shaft of the second motor 12 is connected to the center of the cam 13. One end of the cam 13 is connected to the upper part of the lifting rod 14 via a connecting rod. The connecting rod is rotatably connected to both the cam 13 and the lifting rod 14. The lifting rod 14 is slidably disposed inside the sleeve 15, and its bottom is connected to the mounting frame 6. The second motor 12 drives the cam 13 to rotate, which in turn drives the lifting rod 14 to reciprocate up and down within the sleeve 15 via the connecting rod, thereby achieving longitudinal vibration of the mounting frame 6 and the filter bag 3. Rotational motion can be converted into linear vibration, resulting in smooth movement and easy control.

[0021] In addition, the filter bag lifting device also includes multiple elastic components, which are symmetrically arranged on the left and right sides inside the bag filter body 20. Each elastic component includes a screw 16 and a spring 17. The screw 16 passes through the mounting frame 6 and the fixing frame 1 from bottom to top, and is fixedly connected to the mounting frame 6 by a locking nut 18. More specifically, locking nuts 18 are provided at both the top and bottom of the mounting frame 6. A fixing nut 19 is provided at the upper part of the screw 16, and a spring 17 passes through the screw 16 located between the fixing nut 19 and the fixing frame 1. The elastic components, on the one hand, guide and provide auxiliary support for the mounting frame 6, ensuring its vertical movement trajectory; on the other hand, the spring 17 can store and release energy, assisting the vibration of the filter bag 3, improving the dust removal effect while reducing the motor load and extending the service life of the equipment.

[0022] During cleaning, the filter bag dust removal device first starts working: motor 7 starts, driving bevel gear 9 to rotate via drive shaft 8. Bevel gear 10, meshing with motor 7, transmits power to rotating shaft 2, causing shaft 2 to rotate at a certain speed. The connecting rope 4 on shaft 2 is thrown outwards under centrifugal force, causing the projectile 5 at its end to swing and strike the outer surface of adjacent filter bags 3. This circumferentially distributed striking force effectively shakes off the dust layer on the filter bag surface, especially in narrow areas between adjacent filter bags, achieving thorough cleaning. The projectile 5 is connected to shaft 2 via flexible connecting rope 4, avoiding damage to the filter bags 3 caused by rigid impact. The limiting frame 11 ensures the stability of shaft 2 during rotation, preventing excessive vibration.

[0023] Simultaneously or alternately, the filter bag lifting device begins operation: motor 12 starts, driving cam 13 to rotate. Cam 13 pushes lifting rod 14 to reciprocate up and down within sleeve 15 via connecting rod. The bottom of lifting rod 14 is connected to filter bag mounting frame 6, thereby causing the entire filter bag assembly to vibrate longitudinally. The symmetrically arranged elastic components guide and provide auxiliary support to mounting frame 6, ensuring its vertical movement trajectory; on the other hand, spring 17 stores and releases energy during lifting, which enhances the vibration effect, helps to further break the bond between the dust layer and filter bag 3, and reduces the load on motor 12, achieving energy-saving operation.

[0024] The "lateral knocking" generated by the filter bag dust removal device and the "longitudinal vibration" generated by the filter bag lifting device together form a composite dust removal mode, which produces a synergistic effect and significantly improves the dust removal efficiency and effect. The dust that is shaken off falls into the lower dust accumulation section under the action of gravity and is finally discharged through the ash discharge valve.

[0025] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.

Claims

1. A vibratory cleaning device for a bag filter, comprising a bag filter body, characterized in that: It also includes: a fixed frame (1) set above the filter bag (3), a filter bag dusting device and a filter bag lifting device; the filter bag dusting device and the filter bag lifting device are both installed on the fixed frame (1); The filter bag dust removal device includes a drive mechanism and multiple rotating shafts (2). The drive mechanism is connected to the fixed frame (1). The multiple rotating shafts (2) are arranged longitudinally and located between two adjacent filter bags (3). Each rotating shaft (2) is provided with several connecting ropes (4), and the end of each connecting rope (4) is provided with a shot (5). The drive mechanism drives the rotating shafts (2) to rotate so that the shot (5) knocks and cleans the filter bags (3). The filter bag lifting device is connected to the mounting frame (6) of the filter bag (3) and is used to drive the filter bag (3) to vibrate longitudinally.

2. The vibrating cleaning device for a bag filter according to claim 1, characterized in that: The drive mechanism includes a motor (7), a transmission shaft (8), and a transmission assembly. The motor (7) is installed on the outer wall of the bag filter body, and its output shaft passes through the side wall of the bag filter body and is coaxially connected to the transmission shaft (8). The transmission assembly is provided on the transmission shaft (8), and the transmission assembly is connected to the rotating shaft (2) to transmit rotation to the rotating shaft (2).

3. The vibrating cleaning device for a bag filter according to claim 2, characterized in that: The transmission assembly includes multiple sets of bevel gear one (9) and bevel gear two (10), the bevel gear one (9) and the bevel gear two (10) meshing; the bevel gear one (9) is coaxially connected to the transmission shaft (8), and each bevel gear two (10) is coaxially connected to one of the rotating shafts (2).

4. The vibrating cleaning device for a bag filter according to claim 1, characterized in that: The drive mechanism is connected to the limiting frame (11), which is installed on the upper part of the fixed frame (1) and its bottom passes through the rotating shaft (2).

5. The vibrating cleaning device for a bag filter according to claim 1, characterized in that: The filter bag lifting device includes a second motor (12), a cam (13), a lifting rod (14), and a sleeve (15); the second motor (12) and the sleeve (15) are mounted on the fixed frame (1), the output shaft of the second motor (12) is connected to the center of the cam (13), one end of the cam (13) is connected to the upper part of the lifting rod (14) through a connecting rod, and the lifting rod (14) is slidably disposed inside the sleeve (15) and its bottom is connected to the mounting frame (6).

6. The vibrating cleaning device for a bag filter according to claim 1, characterized in that: The filter bag lifting device includes multiple elastic components, which are symmetrically arranged on the left and right sides inside the bag filter body.

7. The vibrating cleaning device for a bag filter according to claim 6, characterized in that: The elastic component includes a screw (16) and a spring (17). The screw (16) passes through the mounting bracket (6) and the fixing bracket (1) from bottom to top, and is fixedly connected to the mounting bracket (6) by a locking nut (18). A fixing nut (19) is provided on the upper part of the screw (16), and a spring (17) is provided on the screw (16) located between the fixing nut (19) and the fixing frame (1).

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