A high-efficiency pulse bag dust collector and its use method

Abstract

The present invention relates to the technical field of pulse bag dust collectors, specifically to a pulse bag dust collector with high efficiency and a method for using the same, including a dust removal box, the top of which is fixedly connected and connected to a top cover, a mounting plate fixedly connected between the inner walls on both sides of the top cover, a dust reduction unit disposed between the inner walls on both sides of the dust removal box, a portion of which is disposed on the mounting plate, the dust reduction unit comprising two dust reduction devices of the same configuration but different in installation positions, both of which comprise a driving motor and a vertical rod. Through the dust reduction unit, when each of the dust reduction units is started, the fan blades rotate together, and at the same time, each of the fan blades synchronously beats the nearby filter cartridges, that is, it can accelerate dust precipitation while cleaning the stubborn dust attached to the filter cartridges, achieving two goals at one stroke and helping to improve the efficiency of dust treatment.

Description

Technical Field

[0001] The invention belongs to the technical field of pulse bag dust collectors, and in particular relates to a high-efficiency pulse bag dust collector and a use method thereof. Background Art

[0002] Pulse bag dust collector is a high-efficiency dust removal equipment. It removes dust attached to the bag through pulse jet technology. It is widely used in metallurgy, mining, cement and other industries. It has the advantages of strong cleaning ability, good dust removal effect, reliable operation and easy maintenance. It can effectively improve the production environment and protect the health of employees.

[0003] Chinese patent application number: CN201610295041.7 discloses a pulse bag dust collector, including a box body, a clean air cavity and a filter cavity isolated from each other are arranged inside the box body, an air inlet pipe and an air outlet pipe are respectively arranged on the two side walls of the box body, the clean air cavity is connected with the air outlet pipe, the filter cavity is connected with the air inlet pipe, an injection pipe is arranged in the clean air cavity, one end of the injection pipe passes through the clean air cavity and extends to the outside of the box body and a pulse valve is installed at the end, a plurality of filter bags are arranged in the filter cavity, one end of the filter bag is connected with the clean air cavity, and a plurality of nozzles corresponding to the filter bags are opened on the injection pipe; a guide plate inclined along the air inlet direction is installed at the other end of the pre-dust plate, and a counterweight is fixed on the side of the pre-dust plate facing away from the air inlet pipe. The patent collects dust in the flue gas twice, so that the gas finally discharged from the air outlet pipe meets the industrial standard, and it miniaturizes the existing large-scale equipment, is suitable for use in some factories with small dust treatment volume, and has low cost.

[0004] However, dust tends to fly when pulse blowing and shaking off, and it takes a long time to settle. The processing efficiency needs to be improved. For this reason, we propose a high-efficiency pulse bag dust collector and its use method. Summary of the invention

[0005] In view of the deficiencies in the prior art, the object of the present invention is to provide a pulse bag dust collector with high efficiency and a method of using the same, so as to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a pulse bag dust collector with high efficiency and a method for using the same, comprising a dust removal box, the top of which is fixedly connected and communicated with a top cover, a mounting plate is fixedly connected between the inner walls on both sides of the top cover, a dust reduction unit is arranged between the inner walls on both sides of the dust removal box, a part of the dust reduction unit is arranged on the mounting plate, the dust reduction unit comprises two dust reduction devices with the same configuration but different installation positions, the two dust reduction devices both comprise a driving motor and a vertical rod, one end of the output shaft of the driving motor is fixedly connected to a long cross bar, a gear set is arranged on the outer wall of the long cross bar, a fan blade is arranged at the bottom end of the gear set, and the bottom end of the fan blade is fixedly connected to a secondary vibration mechanism through the vertical rod.

[0007] Preferably, the driving motor is fixedly connected to an inner wall of one side of the top cover, and there are four gear groups in total, each of which includes a bevel gear 1, which is fixedly connected to the outer wall of the long cross bar, and the outer wall of the bevel gear 1 is meshed with a bevel gear 2, and the bottom end of the bevel gear 2 is fixedly connected to an output rod, and the bottom end of the output rod is fixedly connected to the top of the fan blade, and a short cross bar is fixedly connected between the bevel gear 1 and the inner wall of one side of the top cover.

[0008] Preferably, a plurality of regularly arranged through grooves are provided on the top of the mounting plate, a filter cartridge and a support frame are installed inside each of the through grooves, and each of the support frames is respectively snapped into the inner cavity of the filter cartridge at each corresponding position, a secondary groove is provided between four adjacent through grooves, the entire fan blade and part of the output rod are arranged in the inner cavity of the secondary groove, and the bevel gear 1 and the bevel gear 2 are both located between the inner cavity of the mounting plate and the top cover.

[0009] Preferably, the secondary vibration mechanism includes a plurality of short rods, a connecting rod 1 is fixedly connected between every two adjacent short rods, three segmented oscillation mechanisms are fixedly connected to the outer walls of the short rods, the segmented oscillation mechanism includes two support plates which are located away from each other and fixedly connected to the outer walls of the short rods, a through-type connecting groove is provided at the end of the support plate, a connecting rod 2 is rotatably connected between two connecting grooves in the same segmented oscillation mechanism, and an oscillating member is fixedly connected to the outer wall of the connecting rod 2.

[0010] Preferably, the oscillating member is arc-shaped as a whole, and an arc-shaped spring is fixedly connected between the arc surface on one side of the oscillating member and the outer wall of the short rod, and the arc-shaped spring is also arc-shaped as a whole.

[0011] Preferably, the interior of the arc spring slides and is sleeved with an arc-shaped limit rod, one end of the arc-shaped limit rod is fixedly connected to the arc surface on one side of the oscillating member, and the other end of the arc-shaped limit rod is slidably connected to the interior of the short rod, and three arc-shaped grooves equidistantly distributed around the axis of the short rod are opened on the outer wall of the short rod, and each of the arc-shaped limit rods is respectively clamped with the interior of the arc groove at the corresponding position.

[0012] Preferably, a plurality of rubber pads linearly arranged along the outer wall of the oscillating member are fixedly connected to the outer wall of the oscillating member.

[0013] Preferably, a circular handle 1 is fixedly connected to the top of the short rod near the bottom end of the vertical rod, and a hemispherical block is rotatably connected to the top of the circular handle 1. The outer wall of the circular handle 1 passes through and is fixedly connected to two axially symmetrical stabilizing rods 1. The two stabilizing rods 1 are fixedly connected to the inner walls of the dust removal box on both sides. The bottom end of the vertical rod passes through the hemispherical block and is fixedly connected to the top of one of the short rods. The outer wall of the vertical rod is rotatably connected to the interior of the hemispherical block. The bottom end of each of the short rods located at the bottom end is rotatably connected to a circular handle 2. Two stabilizing rods 2 that are not close to each other are fixedly connected between the inner walls of the two sides of the dust removal box, and the inner wall of each of the circular handles 2 is fixedly connected to the outer wall of the stabilizing rod 2.

[0014] Preferably, a pulse jet assembly is provided inside the top cover, and each air outlet end of the pulse jet assembly is located directly above each filter cartridge, respectively. The outer walls on both sides of the dust removal box are fixedly connected with an air inlet and an air outlet, respectively. A dust shield plate is fixedly connected to the inner wall of one side of the dust removal box. The bottom end of the dust removal box is fixedly connected with three equally spaced discharge ports, and a chamfered piece is fixedly connected between two adjacent discharge ports.

[0015] A method for using a pulse bag dust collector with high efficiency treatment, comprising the following steps:

[0016] Step 1: Start the two drive motors, and the fan blades rotate synchronously, generating a strong airflow that acts downward on the adjacent filter cartridges; Step 2: At the same time, the secondary vibration mechanisms take effect, and the oscillating parts and rubber pads are started at the same time, beating the outer wall of each filter cartridge in sections, accelerating the dust precipitation while cleaning the stubborn dust attached to the filter cartridge, achieving two goals at one stroke and helping to improve the efficiency of dust treatment.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] Through the dust reduction units that are set up, when each dust reduction unit is started, the fan blades rotate together, and at the same time, each synchronously beats the nearby filter cartridges, which can accelerate the dust precipitation while cleaning the stubborn dust attached to the filter cartridges, achieving two birds with one stone and helping to improve the efficiency of dust treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 It is a schematic diagram of the internal overall structure of the present invention;

[0021] Figure 3 For the present invention Figure 2 An enlarged schematic diagram of the overall structure at point A;

[0022] Figure 4 It is a schematic diagram of the overall cross-sectional structure of the present invention;

[0023] Figure 5 It is a schematic diagram of the overall cross-sectional structure of the present invention from another perspective;

[0024] Figure 6 It is a schematic diagram of the overall structure of the dust reduction equipment of the present invention;

[0025] Figure 7 For the present invention Figure 6 Enlarged schematic diagram of the overall structure at point B.

[0026] In the figure: 1. dust removal box; 2. mounting plate; 3. filter cartridge; 4. supporting frame; 5. driving motor; 6. long cross bar; 7. short cross bar; 8. bevel gear one; 9. bevel gear two; 10. secondary slot; 11. output rod; 12. fan blade; 13. vertical rod; 14. hemispherical block; 15. circular handle one; 16. stabilizer rod one; 17. short rod; 18. connecting rod one; 19. supporting plate; 20. connecting rod two; 21. oscillating part; 22. rubber pad; 23. arc spring; 24. arc limit rod; 25. stabilizer rod two; 26. air inlet; 27. air outlet; 28. dust shield; 29. ​​top cover; 30. pulse jet assembly; 31. discharge port; 32. chamfered part. DETAILED DESCRIPTION

[0027] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Embodiment 1

[0029] See also Figures 1 to 7 The present invention provides a technical solution: a pulse bag dust collector with high efficiency, comprising a dust removal box 1, the top of the dust removal box 1 is fixedly connected and connected with a top cover 29, a mounting plate 2 is fixedly connected between the inner walls on both sides of the top cover 29, a dust reduction unit is arranged between the inner walls on both sides of the dust removal box 1, a part of the dust reduction unit is arranged on the mounting plate 2, the dust reduction unit comprises two dust reduction devices with the same configuration but different installation positions, the two dust reduction devices both comprise a driving motor 5 and a vertical rod 13, one end of the output shaft of the driving motor 5 is fixedly connected with a long cross bar 6, a gear set is arranged on the outer wall of the long cross bar 6, a fan blade 12 is arranged at the bottom end of the gear set, and the bottom end of the fan blade 12 is fixedly connected with a secondary vibration mechanism through the vertical rod 13. By setting up the dust reduction unit, when each dust reduction unit is started, each fan blade 12 rotates together, and at the same time each 21 synchronously beats each nearby filter cartridge 3, that is, it can accelerate the dust precipitation while cleaning the stubborn dust attached to the filter cartridge 3, achieving two birds with one stone and helping to improve the efficiency of dust treatment.

[0030] Embodiment 2

[0031] See also Figures 1 to 7On the basis of the first embodiment, the driving motor 5 is fixedly connected to the inner wall of one side of the top cover 29, and there are four gear sets, each of which includes a bevel gear 1 8, which is fixedly connected to the outer wall of the long cross bar 6, and the outer wall of the bevel gear 1 8 is meshed with a bevel gear 2 9, and the bottom end of the bevel gear 2 9 is fixedly connected to the output rod 11, and the bottom end of the output rod 11 is fixedly connected to the top of the fan blade 12, and a short cross bar 7 is fixedly connected between the bevel gear 1 8 and the inner wall of one side of the top cover 29, and a plurality of regularly arranged The cloth has through grooves, each of which is equipped with a filter cartridge 3 and a support frame 4, each of which is respectively connected to the inner cavity of the filter cartridge 3 at each corresponding position, a secondary groove 10 is provided between four adjacent through grooves, the entire fan blade 12 and a part of the output rod 11 are arranged in the inner cavity of the secondary groove 10, the bevel gear 1 8 and the bevel gear 2 9 are located between the mounting plate 2 and the inner cavity of the top cover 29, the secondary vibration mechanism includes a plurality of short rods 17, and a connecting rod 18 is fixedly connected between every two adjacent short rods 17, and the short rods The outer wall of the short rod 17 is fixedly connected with three segmented oscillating mechanisms, and the segmented oscillating mechanisms include two support plates 19 which are located away from each other and are fixedly connected to the outer wall of the short rod 17. The end of the support plate 19 is provided with a through-type connecting groove. A connecting rod 20 is rotatably connected between the two connecting grooves in the same segmented oscillating mechanism. An oscillating member 21 is fixedly connected to the outer wall of the connecting rod 20. The oscillating member 21 is arc-shaped as a whole. An arc spring 23 is fixedly connected between the arc surface of one side of the oscillating member 21 and the outer wall of the short rod 17. The arc spring 23 The whole is also arc-shaped, and the interior of the arc spring 23 slides and is sleeved with an arc-shaped limit rod 24. One end of the arc-shaped limit rod 24 is fixedly connected to the arc surface on one side of the oscillating member 21, and the other end of the arc-shaped limit rod 24 is in a sliding connection with the interior of the short rod 17. Three arc-shaped grooves equidistantly distributed around the axis of the short rod 17 are opened on the outer wall of the short rod 17, and each arc-shaped limit rod 24 is respectively clamped with the inside of the arc-shaped groove at the corresponding position. The outer wall of the oscillating member 21 is fixedly connected with a plurality of rubber pads 22 linearly arranged along the outer wall of the oscillating member 21.

[0032] The gear set is driven by the driving motor 5, which in turn drives the fan blades 12 to rotate, forming a strong airflow, which helps to accelerate the dust-containing gas to pass through the interior of the filter cartridge 3 and improve the dust removal efficiency. At the same time, the fan blades are located in the secondary slot 10, and the secondary slot 10 is opened between four adjacent through slots, that is, the subsequent airflow can act on the filter cartridges 3 of each through slot, the layout is reasonable, and the normal disassembly and assembly of each filter cartridge 3 is not delayed, which helps to evenly distribute the airflow and reduce dead angles. The bevel gear 1 8 and the top cover 29 are fixedly connected by a short cross bar 7, which enhances the stability of the structure and reduces the noise and wear caused by vibration. The clamping design of the filter cartridge 3 and the support frame 4 makes the replacement and maintenance of the filter cartridge 3 more convenient and quick. Through the arrangement of the short rod 17, the connecting rod 1 18, the support plate 19, the connecting rod 20, the oscillating member 21, the arc spring 23 and the arc limit rod 24, the segmented oscillation effect of the filter cartridge 3 is achieved. It can more comprehensively remove the dust on the filter cartridge 3, especially the corners that are difficult to reach, and improve the thoroughness and efficiency of dust cleaning. The combination of the arc spring 23 and the arc limit rod 24 not only provides the necessary elasticity and power for the oscillating member 21, but also limits the range of motion of the oscillating member 21 by snapping into the arc groove, thus avoiding damage to the equipment structure caused by excessive oscillation and reducing the impact of vibration on the surrounding environment. The rubber pad 22 is arranged on the outer wall of the oscillating member 21, further enhancing the buffering effect when in contact with the filter cartridge 3, preventing damage caused by direct collision, and again reducing noise at the same time. This design improves the safety and stability of the equipment during the dust cleaning process.

[0033] Embodiment 3

[0034] See also Figures 1 to 7On the basis of the second embodiment, the top of the short rod 17 near the bottom end of the vertical rod 13 is fixedly connected with a circular handle 15, and the top of the circular handle 15 is rotatably connected with a hemispherical block 14. The outer wall of the circular handle 15 passes through and is fixedly connected with two axially symmetrical stabilizing rods 16. The two stabilizing rods 16 are fixedly connected to the inner walls of the dust removal box 1 on both sides. The bottom end of the vertical rod 13 passes through the hemispherical block 14 and is fixedly connected to the top of one of the short rods 17. The outer wall of the vertical rod 13 is rotatably connected to the inside of the hemispherical block 14. The bottom ends of the short rods 17 at the bottom are rotatably connected with circular handles 12. Two stabilizing rods 25 that are not close to each other are fixedly connected between the inner walls on both sides of the dust removal box body 1, and the inner walls of each circular handle 2 are fixedly connected to the outer wall of the stabilizing rod 25. A pulse jet assembly 30 is arranged inside the top cover 29, and each air outlet end of the pulse jet assembly 30 is respectively located directly above each filter cartridge 3. The outer walls on both sides of the dust removal box body 1 are respectively fixedly connected with an air inlet 26 and an air outlet 27, a dust baffle plate 28 is fixedly connected to the inner wall of one side of the dust removal box body 1, and the bottom end of the dust removal box body 1 is fixed and connected with three equidistantly distributed discharge ports 31, and a chamfered piece 32 is fixedly connected between two adjacent discharge ports 31.

[0035] About the whole process: The dust removal process starts from the air inlet 26. The dust-containing gas to be treated enters the dust removal box 1 through the air inlet 26. The dust-containing gas entering the dust removal box 1 then passes through the filter cartridge 3. The fine pores of the filter cartridge 3 can effectively intercept the dust and particulate matter in the gas, so that the clean air passes through the filter cartridge 3 and is discharged from the air outlet 27. As the filtering time increases, a certain amount of dust and particulate matter will accumulate on the filter cartridge 3. When the dust on the filter cartridge 3 accumulates to a certain extent, causing the pressure difference inside the dust removal box 1 to increase to the set value, the pulse jet assembly starts to work. The pulse valve operates according to the set time interval and pulse width, and instantly sprays compressed air into the filter cartridge 3. This pulse airflow causes the dust and particulate matter on the filter cartridge 3 to fall off due to the impact, realizing the dust cleaning operation. After pulse cleaning, the removed dust and particulate matter are discharged from the dust removal box 1 through the discharge port 31. The design of the discharge port 31 ensures that the dust can be discharged smoothly to avoid accumulation inside the dust removal box 1.

[0036] By setting two chamfered pieces 32, which cooperate with the three discharge ports 31, the bottom end of the dust removal box 1 is completely closed, which is conducive to normal discharge. The shape of the chamfered pieces 32 allows heavy dust and particles falling on its surface to slide freely, which is conducive to collection. The dust shield 28 can effectively reduce the backflow of gas.

[0037] Embodiment 4

[0038] A method for using a pulse bag dust collector with high efficiency treatment, comprising the following steps:

[0039] Step 1: Start the two drive motors 5, and the fan blades 12 rotate synchronously, generating a strong airflow that acts downward on the adjacent filter cartridges 3; Step 2: At the same time, the secondary vibration mechanisms take effect, and the oscillating members 21 and rubber pads 22 are started at the same time, beating the outer walls of the filter cartridges 3 in sections, accelerating the dust precipitation while cleaning the stubborn dust attached to the filter cartridges 3, achieving two goals at one stroke and improving the efficiency of dust treatment.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pulse bag dust collector with high efficiency, comprising a dust removal box (1), characterized in that: The top of the dust removal box (1) is fixedly connected to and communicates with a top cover (29); a mounting plate (2) is fixedly connected between the inner walls on both sides of the top cover (29); a dust reduction unit is arranged between the inner walls on both sides of the dust removal box (1); a part of the dust reduction unit is arranged on the mounting plate (2); the dust reduction unit comprises two dust reduction devices with the same configuration but different installation positions; the two dust reduction devices each comprise a drive motor (5) and a vertical rod (13); one end of the output shaft of the drive motor (5) is fixedly connected to a long cross bar (6); a gear set is arranged on the outer wall of the long cross bar (6); a fan blade (12) is arranged at the bottom end of the gear set; the bottom end of the fan blade (12) is fixedly connected to a secondary gear set by the vertical rod (13). The drive motor (5) is fixedly connected to the inner wall of one side of the top cover (29), the gear groups are four in total, each of the gear groups comprises a bevel gear 1 (8), the bevel gear 1 (8) is fixedly connected to the outer wall of the long cross bar (6), the outer wall of the bevel gear 1 (8) is meshed with a bevel gear 2 (9), the bottom end of the bevel gear 2 (9) is fixedly connected to an output rod (11), the bottom end of the output rod (11) is fixedly connected to the top of the fan blade (12), a short cross bar (7) is fixedly connected between the bevel gear 1 (8) and the inner wall of one side of the top cover (29), a plurality of regularly arranged through grooves are provided on the top of the mounting plate (2), a filter cartridge (3) and a support frame (4) are installed inside each of the through grooves, Each of the support frames (4) is respectively clamped in the inner cavity of the filter cartridge (3) at each corresponding position; a secondary groove (10) is provided between four adjacent through grooves; the entire fan blade (12) and a portion of the output rod (11) are arranged in the inner cavity of the secondary groove (10); the bevel gear 1 (8) and the bevel gear 2 (9) are both located between the inner cavity of the mounting plate (2) and the top cover (29); the secondary vibration mechanism comprises a plurality of short rods (17); a connecting rod 1 (18) is fixedly connected between every two adjacent short rods (17); three segmented oscillation mechanisms are fixedly connected to the outer wall of the short rod (17); the segmented oscillation mechanism comprises two support plates (19) which are located away from each other and are fixedly connected to the outer wall of the short rod (17). The end of the support plate (19) is provided with a through-type connecting groove, and a connecting rod (20) is rotatably connected between the two connecting grooves in the same segmented oscillation mechanism, and an oscillating member (21) is fixedly connected to the outer wall of the connecting rod (20), and the oscillating member (21) is arc-shaped as a whole, and an arc spring (23) is fixedly connected between the arc surface of one side of the oscillating member (21) and the outer wall of the short rod (17), and the arc spring (23) is also arc-shaped as a whole, and an arc-shaped limiting rod (24) is slidably mounted inside the arc spring (23), and one end of the arc-shaped limiting rod (24) is fixedly connected to the arc surface of one side of the oscillating member (21), and the other end of the arc-shaped limiting rod (24) is in a sliding connection relationship with the inside of the short rod (17),The outer wall of the short rod (17) is provided with three arc grooves which are equidistantly distributed around the axis of the short rod (17); each of the arc limit rods (24) is respectively engaged with the inner part of the arc groove at the corresponding position; the outer wall of the oscillating member (21) is fixedly connected with a plurality of rubber pads (22) which are linearly arranged along the outer wall of the oscillating member (21); the top of the short rod (17) near the bottom end of the vertical rod (13) is fixedly connected with a circular handle 1 (15); the top of the circular handle 1 (15) is rotatably connected with a hemispherical block (14); the outer wall of the circular handle 1 (15) passes through and is fixedly connected with two axially symmetrical stable Rod 1 (16), two stabilizing rods 1 (16) are fixedly connected to the inner walls on both sides of the dust removal box (1), the bottom end of the vertical rod (13) passes through the hemispherical block (14) and is fixedly connected to the top of one of the short rods (17), the outer wall of the vertical rod (13) is rotatably connected to the inside of the hemispherical block (14), and the bottom end of each of the short rods (17) located at the bottom end is rotatably connected to a circular handle 2, and two stabilizing rods 2 (25) that are not close to each other are fixedly connected between the inner walls on both sides of the dust removal box (1), and the inner wall of each of the circular handles 2 is fixedly connected to the outer wall of the stabilizing rod 2 (25).

2. The pulse bag dust collector with high efficiency according to claim 1 is characterized in that: A pulse jet assembly (30) is arranged inside the top cover (29), and each air outlet end of the pulse jet assembly (30) is located directly above each filter cartridge (3), and the outer walls on both sides of the dust removal box (1) are fixedly connected to an air inlet (26) and an air outlet (27), respectively. An inner wall on one side of the dust removal box (1) is fixedly connected to a dust shield plate (28), and the bottom end of the dust removal box (1) is fixedly connected to three equidistantly distributed discharge ports (31), and a chamfered piece (32) is fixedly connected between two adjacent discharge ports (31).

3. A method for using a pulse bag dust collector with high efficiency, which is based on the pulse bag dust collector with high efficiency as claimed in any one of claims 1 to 2, and is characterized in that: The method for using a pulse bag dust collector with high efficiency treatment comprises the following steps: Step 1: start the two drive motors (5), so that the fan blades (12) rotate synchronously, generating a strong airflow that acts downward on the adjacent filter cartridges (3); Step 2: at the same time, the secondary vibration mechanisms take effect, and the oscillating members (21) and the rubber pads (22) are started simultaneously, beating the outer walls of the filter cartridges (3) in sections, accelerating the dust precipitation while cleaning the stubborn dust attached to the filter cartridges (3), achieving two goals at one stroke and improving the efficiency of dust treatment.

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