Cloth bag dust collector with cleaning and collecting functions

By designing a cleaning mechanism that combines a fan and mechanical vibration, the problem of dust accumulation on the inner wall of the bag filter is solved, achieving efficient cleaning of the dust collector and preventing blockage, thus ensuring normal dust discharge.

CN224672313UActive Publication Date: 2026-08-25ANHUI LONGTE ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202521976322.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-15
Publication Date
2026-08-25
Estimated Expiration
2035-09-15

AI Technical Summary

Technical Problem

In existing baghouse dust collectors, dust tends to adhere to the inner walls of the dust collector housing and hopper during the dust removal process, gradually accumulating into a thick layer. This leads to poor dust removal, increased resistance, and reduced dust removal efficiency.

Method used

A cleaning mechanism was designed, including a fan, annular pipe, rotary joint, nozzle, gear rack and pinion, and electric telescopic rod. By combining wind power and mechanical vibration, it can achieve all-round cleaning of the inner wall of the dust collector, remove adhering dust, and prevent caking.

Benefits of technology

This effectively prevents dust from accumulating on the inner wall of the dust collector, ensures that dust falls normally, prevents the funnel from clogging, and ensures the continuous and efficient operation of the dust collector.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to the field of cloth bag dust collector cleaning, specifically a cloth bag dust collector with cleaning and collecting functions, including cloth bag dust collector body, the inner wall of cloth bag dust collector body is provided with cleaning mechanism, the cleaning mechanism includes fan, the air outlet end of fan is through to the inner wall of cloth bag dust collector body, the surface of annular pipe rotationally communicates with swivel joint, the surface of a plurality of swivel joints all is fixedly connected with half gear, the inner wall of cloth bag dust collector body is fixedly connected with electric telescopic handle, the telescopic end of electric telescopic handle and the one side fixed connection of the positioning block of one end of rack, the utility model discloses through setting up cleaning mechanism, and the rotating spray head can all azimuthally blow off the inner wall of cloth bag dust collector body, removes the dust adhered on the inner wall, avoids the hardening caused by the long -term accumulation of dust, keeps the cloth bag cleaning and ensures the normal falling discharge of dust.
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Description

Technical Field

[0001] This utility model relates to the field of bag filter cleaning, specifically a bag filter with cleaning and collection functions. Background Technology

[0002] A baghouse dust collector is a device that uses filter bags as filter elements to capture dust particles in dusty gas. It includes three processes: filtration, cleaning, and dust discharge. When dusty gas passes through the filter bags, the dust particles are captured and deposited by the fiber layer on the surface of the filter bags, while the clean gas passes through the filter bags into the clean air chamber and is finally discharged through the exhaust port.

[0003] When the dust on the surface of the filter bags accumulates to a certain level, it needs to be removed by the pulse cleaning system. The dust that falls after cleaning will be discharged through the funnel at the bottom. However, some of the dust blown off during the cleaning process will adhere to the inner wall of the dust collector housing and the funnel. If this adhered dust is not cleaned in time, it will gradually accumulate over time, forming a thicker dust layer. This can easily cause dust caking, occupy the space inside the dust collector, increase the resistance to dust falling, and lead to poor dust removal. Utility Model Content

[0004] To overcome the shortcomings of existing technology, when the dust on the surface of the filter bag accumulates to a certain extent, it is necessary to remove the dust from the filter bag through a pulse cleaning system. The dust that falls after cleaning will be discharged through the funnel at the bottom. However, during the cleaning process, some of the dust blown off will adhere to the inner wall of the dust collector housing and the funnel. If this adhered dust is not cleaned in time, it will gradually accumulate over time, forming a thick dust layer, which can easily cause dust caking, occupy the internal space of the dust collector, increase the resistance to dust falling, and lead to the problem of poor dust removal. This utility model proposes a bag dust collector with cleaning and collection functions.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a bag dust collector with cleaning and collection function, including a bag dust collector body, wherein a cleaning mechanism is provided on the inner wall of the bag dust collector body; The cleaning mechanism includes a fan fixedly connected to one side of the bag filter body. The fan's outlet extends through the inner wall of the bag filter body. An annular pipe is fixedly connected to the inner wall of the bag filter body. The fan's outlet is fixedly connected to the surface of the annular pipe. Several rotary joints are rotatably connected to the surface of the annular pipe. One end of each rotary joint is fixedly connected to a nozzle. Half-gears are fixedly connected to the surface of each rotary joint. Four racks are installed inside the bag filter body. The surface of the rack meshes with the surface of the half gear. One end of each of the three racks is fixedly connected to a wedge block, and the other end of each of the three racks is fixedly connected to a push rod. The surface of the wedge block contacts the surface of the push rod. One end of each of the four racks is fixedly connected to a positioning block. An electric telescopic rod is fixedly connected to the inner wall of the bag filter body. The telescopic end of the electric telescopic rod is fixedly connected to one side of a positioning block at one end of one of the racks. One side of each of the three positioning blocks is fixedly connected to a tension spring, and one end of the tension spring is fixedly connected to the inner wall of the bag filter body.

[0006] Preferably, the inner wall of the bag filter body is fixedly connected with a protective box, and there are four protective boxes. The four racks are slidably connected to the inner wall of the four protective boxes respectively. Several rotary joints penetrate into the inner wall of the four protective boxes, and the half gear is set in the inner cavity of the protective box.

[0007] Preferably, the inner walls of the three push rods are rotatably connected with ball bearings, the surfaces of which are in contact with the surfaces of the wedge blocks.

[0008] Preferably, a motor is fixedly connected to one side of the bag filter body, the output end of the motor extends through the inner wall of the bag filter body, and a turntable is fixedly connected to the output end of the motor.

[0009] Preferably, an eccentric column is fixedly connected to the surface of the turntable, and a connecting block is fixedly connected to the surface of the eccentric column.

[0010] Preferably, a square block is slidably connected to the surface of the connecting block, and a striking rod is fixedly connected to both sides of the square block. One end of the two striking rods contacts the inner wall of the bag filter body, and a rubber sleeve is fixedly connected to one end of the two striking rods.

[0011] Preferably, the inner wall of the bag filter body is fixedly connected with two mounting blocks, and the two striking rods are slidably connected to the inner walls of the two mounting blocks.

[0012] The advantages of this utility model are: This invention features a cleaning mechanism. Air generated by a fan enters the annular pipe and exits through a rotating nozzle. An electric telescopic rod pushes a connected reciprocating rack, which in turn drives a meshing half-gear to rotate. This rotation, in turn, drives a rotary joint inside the annular pipe, which in turn rotates the nozzle. The rotating nozzle effectively cleans the inner wall of the bag filter from all directions, removing dust adhering to the inner wall and preventing dust accumulation and caking. This ensures that dust falls and exits normally during bag cleaning, preventing funnel blockage caused by dust accumulation. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a partial structural schematic diagram of the present invention; Figure 3 This is a partial structural schematic diagram of the annular tube of this utility model; Figure 4 This is a partial structural schematic diagram of the cleaning mechanism of this utility model; Figure 5 This is a partial structural schematic diagram of the wedge-shaped block of this utility model; Figure 6 This is a partial structural diagram of the striking rod of this utility model.

[0015] In the diagram: 1. Baghouse dust collector body; 2. Cleaning mechanism; 201. Annular pipe; 202. Rotary joint; 203. Nozzle; 204. Half gear; 205. Rack; 206. Electric telescopic rod; 207. Wedge block; 208. Push rod; 209. Tension spring; 210. Positioning block; 211. Fan; 3. Motor; 4. Protective box; 5. Rubber sleeve; 6. Ball bearing; 7. Turntable; 8. Eccentric column; 9. Connecting block; 10. Square block; 11. Striking rod; 12. Mounting block. Detailed Implementation

[0016] 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 scope of protection of the present utility model.

[0017] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail. This application discloses a bag filter dust collector with cleaning and collection functions. (Refer to...) Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 A bag filter dust collector with cleaning and collection functions includes a bag filter dust collector body 1, and a cleaning mechanism 2 is provided on the inner wall of the bag filter dust collector body 1. The cleaning mechanism 2 includes a fan 211, which is fixedly connected to one side of the bag filter body 1. The outlet of the fan 211 extends through the inner wall of the bag filter body 1. An annular pipe 201 is fixedly connected to the inner wall of the bag filter body 1. The outlet of the fan 211 is fixedly connected to the surface of the annular pipe 201. A rotary joint 202 is rotatably connected to the surface of the annular pipe 201. There are several rotary joints 202, and one end of each rotary joint 202 is fixedly connected to a nozzle 203. Half gears 204 are fixedly connected to the surface of the connector 202. Four racks 205 are provided inside the body 1 of the bag filter. The surfaces of the racks 205 mesh with the surfaces of the half gears 204. Wedge blocks 207 are fixedly connected to one end of three racks 205, and push rods 208 are fixedly connected to the other end of the three racks 205. The surfaces of the wedge blocks 207 contact the surfaces of the push rods 208. Positioning blocks 210 are fixedly connected to one end of each of the four racks 205. An electric telescopic rod 206 is fixedly connected to the inner wall of the bag filter body 1. The telescopic end of the electric telescopic rod 206 is fixedly connected to one side of a positioning block 210 at one end of one of the racks 205. Tension springs 209 are fixedly connected to one side of each of the three positioning blocks 210. One end of the tension springs 209 is fixedly connected to the inner wall of the bag filter body 1. By setting up the cleaning mechanism 2, the air generated by the fan 211 enters the annular pipe 201 and is sprayed out from the rotating nozzle 203. The electric telescopic rod 206 pushes the connected reciprocating gear. As the rack 205 moves, it drives the meshing half gear 204 to rotate. The rotation of the half gear 204 in turn drives the rotary joint 202 inside the annular tube 201 to rotate. The rotary joint 202 then rotates the nozzle 203 together. The rotating nozzle 203 can blow the inner wall of the bag filter body 1 in all directions, remove the dust attached to the inner wall, avoid the caking caused by long-term dust accumulation, ensure that the dust falls and is discharged normally when the bag is cleaned, and prevent the funnel from being blocked due to dust accumulation.

[0018] Reference Figure 3 and Figure 4 The inner wall of the bag dust collector body 1 is fixedly connected with a protective box 4. There are four protective boxes 4. Four racks 205 are slidably connected to the inner wall of the four protective boxes 4 respectively. Several rotary joints 202 are all inserted into the inner wall of the four protective boxes 4. Half gears 204 are set in the inner cavity of the protective boxes 4. The protective boxes 4 can protect the racks 205 and half gears 204, prevent dust falling during cleaning from falling into the meshing point of the racks 205 and half gears 204, and prevent the half gears 204 from getting stuck when rotating. Reference Figure 5The inner walls of the three push rods 208 are rotatably connected with ball bearings 6. The surface of the ball bearings 6 contacts the surface of the wedge block 207. By setting the ball bearings 6, the friction between the push rod 208 and the wedge block 207 can be reduced, so that the push rod 208 slides more smoothly along the path of the surface of the wedge block 207. Reference Figure 1 and Figure 6 A motor 3 is fixedly connected to one side of the bag filter body 1. The output end of the motor 3 extends through the inner wall of the bag filter body 1. A turntable 7 is fixedly connected to the output end of the motor 3. Through the arrangement of the motor 3 and the turntable 7, the motor 3 can provide a stable driving force to drive the turntable 7 to rotate around the axis of the output end. The turntable 7, as a transmission component, can transmit and amplify the rotational motion output by the motor 3. Reference Figure 6 An eccentric column 8 is fixedly connected to the surface of the turntable 7, and a connecting block 9 is fixedly connected to the surface of the eccentric column 8. With the setting of the eccentric column 8 and the connecting block 9, when the turntable 7 rotates, the eccentric column 8 rotates with the turntable 7. Since the eccentric column 8 is off from the rotation center of the turntable 7, the connecting block 9 fixed on the eccentric column 8 will also make an eccentric movement, which will transform the circumferential rotation of the turntable 7 into the offset movement of the connecting block 9 centered on the eccentric column 8, thus changing the trajectory of the force. Reference Figure 6 A square block 10 is slidably connected to the surface of the connecting block 9. A striking rod 11 is fixedly connected to both sides of the square block 10. One end of the two striking rods 11 contacts the inner wall of the bag filter body 1. A rubber sleeve 5 is fixedly connected to one end of the two striking rods 11. With the setting of the square block 10 and the striking rods 11, when the connecting block 9 moves eccentrically with the eccentric column 8, the connecting block 9 slides in the square block 10, thereby driving the square block 10 to move linearly back and forth. The back and forth movement of the square block 10 drives the striking rods 11 on both sides to move synchronously, so that the striking rods 11 repeatedly strike the inner wall of the bag filter body 1. The rubber sleeve 5 can play a buffering role when the striking rods 11 strike, avoiding damage to the inner wall of the bag filter body 1. The striking can shake off the dust attached to the inner wall. Combined with the air cleaning, it can further improve the cleaning effect of the inner wall of the bag filter body 1 and ensure that the inner wall is clean. Reference Figure 6 The inner wall of the bag filter body 1 is fixedly connected with two mounting blocks 12. The two striking rods 11 are slidably connected to the inner wall of the two mounting blocks 12. By setting the mounting blocks 12, the reciprocating striking rods 11 can be limited and guided to ensure the stability of the striking rods 11 when they reciprocate and prevent the striking rods 11 from falling off.

[0019] Working Principle: When the bag filter body 1 is working, dust-laden gas enters the housing through the inlet on one side of the funnel. The dust is trapped on the outer surface of the filter bags, while clean gas enters the clean air chamber through the inner cavity of the filter bags and exits through the outlet. When the dust on the surface of the filter bags accumulates to a certain thickness, the pulse cleaning system is activated. The solenoid valve opens, and compressed air is injected into the filter bags through the blowpipe and nozzle in a very short time. The high-speed airflow enters the interior of the filter bags, generating a reverse expansion impact that causes the filter bags to shake violently, thereby peeling off the dust adhering to the outer surface of the filter bags. The dust falls into the ash hopper under gravity, completing the cleaning process and ensuring continuous and effective filtration by the filter bags. This is existing technology and will not be elaborated further. After pulse cleaning, some dust will remain on the inner walls of the bag filter body 1 and the funnel, making... The user can start the fan 211 via an external control switch. The fan 211 is powered by an external power source. The air inlet of the fan 211 draws in outside air and continuously provides airflow. The incoming airflow enters the annular pipe from the air outlet of the fan 211, then passes through the rotary joint 202 connected to the annular pipe 201, and finally sprays out from the nozzle 203. At this time, the electric telescopic rod 206 is started via the external control switch. The electric telescopic rod 206 is powered by an external power source. When the telescopic end of the electric telescopic rod 206 extends or retracts, it drives the connected rack 205 to move synchronously. The movement of the rack 205 drives the half gear 204 connected to the rotary joint 202 on the same side to rotate, thereby driving the nozzle 203 to rotate. When rod 206 pushes rack 205 to move, it drives connected wedge block 207 to move forward synchronously. During the movement of wedge block 207, it squeezes push rod 208 connected to rack 205 on one side, causing push rod 208 to move along the surface of wedge block 207, thereby pushing rack 205 connected to push rod 208. During this process, tension spring 209 connected to rack 205 through positioning block 210 is stretched and stores elastic potential energy. When wedge block 207 leaves push rod 208, the recoil force of tension spring 209 will reset rack 205, realizing reciprocating movement of rack 205. This reciprocating motion drives half gear 204 on the same side to rotate, causing nozzle 203 on that side to rotate. Through the same motion transmission method, it can drive the other two sides. The rack 205 moves, causing all nozzles 203 to rotate, thus thoroughly cleaning the inner wall of the dust collector. The airflow from the nozzles 203 flows downwards along the inner wall of the bag filter body 1 and the funnel, cleaning the dust adhering to the inner wall. The user then starts the motor 3 via an external control switch. The motor 3 is powered by an external power supply, and its output drives the turntable 7 to rotate. When the turntable 7 rotates, the eccentric column 8 on its surface rotates synchronously. Because the eccentric column 8 is off-center from the turntable 7, the connecting block 9 fixed to it undergoes eccentric movement. The connecting block 9 slides within the square block 10, thereby driving the square block 10 to perform linear reciprocating motion. The reciprocating motion of the square block 10 is synchronously transmitted to the striking rods 11 on both sides.The striking rod 11 repeatedly strikes the inner wall of the bag filter body 1. The end of the striking rod 11 has a rubber sleeve 5, which acts as a buffer during the striking process, ensuring sufficient striking force to dislodge dust while preventing damage to the inner wall. The continuous vibration generated by the striking rod 11 loosens the tightly adhered dust on the inner wall, causing it to fall off. This, combined with the sweeping airflow, improves the cleaning effect on the inner wall of the bag filter body 1. Simultaneously, the sweeping airflow and vibration cleaning also play a role in daily use. During normal operation, some dust in the dust-laden gas drawn into the bag filter body 1 adheres to the inner wall. The periodically activated airflow and striking vibration device can promptly remove this accumulated dust, preventing it from gradually forming a thick layer.

[0020] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A bag filter dust collector with cleaning and collection functions, comprising a bag filter dust collector body (1), characterized in that: The inner wall of the bag filter body (1) is provided with a cleaning mechanism (2); The cleaning mechanism (2) includes a fan (211), which is fixedly connected to one side of the bag filter body (1). The air outlet of the fan (211) extends through the inner wall of the bag filter body (1). An annular pipe (201) is fixedly connected to the inner wall of the bag filter body (1). The air outlet of the fan (211) is fixedly connected to the surface of the annular pipe (201). A rotary joint (202) is rotatably connected to the surface of the annular pipe (201). There are several rotary joints (202). One end of each rotary joint (202) is fixedly connected to a nozzle (203). Half gears (204) are fixedly connected to the surfaces of several rotary joints (202). A rack (205) is provided in the inner cavity of the bag filter body (1). There are four racks (205). The surface of the rack (205) meshes with the surface of the half gear (204). One end of each of the three racks (205) is fixedly connected to a wedge block (207), and the other end of each of the three racks (205) is fixedly connected to a push rod (208). The surface of the wedge block (207) contacts the surface of the push rod (208). One end of each of the four racks (205) is fixedly connected to a positioning block (210). An electric telescopic rod (206) is fixedly connected to the inner wall of the bag filter body (1). The telescopic end of the electric telescopic rod (206) is fixedly connected to one side of the positioning block (210) at one end of one of the racks (205). One side of each of the three positioning blocks (210) is fixedly connected to a tension spring (209), and one end of the tension spring (209) is fixedly connected to the inner wall of the bag filter body (1).

2. A bag filter with cleaning and collection function according to claim 1, characterized in that: The inner wall of the bag filter body (1) is fixedly connected to a protective box (4). There are four protective boxes (4). The four racks (205) are slidably connected to the inner wall of the four protective boxes (4). Several rotary joints (202) penetrate into the inner wall of the four protective boxes (4). The half gear (204) is set in the inner cavity of the protective box (4).

3. A bag filter with cleaning and collection function according to claim 1, characterized in that: The inner walls of the three push rods (208) are rotatably connected to balls (6), the surfaces of the balls (6) being in contact with the surfaces of the wedge blocks (207).

4. A bag filter with cleaning and collection function according to claim 1, characterized in that: A motor (3) is fixedly connected to one side of the bag filter body (1). The output end of the motor (3) extends through the inner wall of the bag filter body (1). A turntable (7) is fixedly connected to the output end of the motor (3).

5. A bag filter with cleaning and collection function according to claim 4, characterized in that: An eccentric column (8) is fixedly connected to the surface of the turntable (7), and a connecting block (9) is fixedly connected to the surface of the eccentric column (8).

6. A bag filter with cleaning and collection function according to claim 5, characterized in that: A square block (10) is slidably connected to the surface of the connecting block (9). A striking rod (11) is fixedly connected to both sides of the square block (10). One end of the two striking rods (11) contacts the inner wall of the bag filter body (1). A rubber sleeve (5) is fixedly connected to one end of the two striking rods (11).

7. A bag filter with cleaning and collection function according to claim 6, characterized in that: The inner wall of the bag filter body (1) is fixedly connected with an installation block (12). There are two installation blocks (12), and the two striking rods (11) are slidably connected to the inner wall of the two installation blocks (12).