Cloth bag dust removal equipment of spray drying tower

By using a drive motor to power a turntable and linkage system to knock and clean the filter bags, and combining this with an air pump to spray high-pressure air and a pressure sensor to automatically output dust, the problem of stubborn dust in the spray drying tower is solved, improving the air permeability and filtration efficiency of the filter bags.

CN223995627UActive Publication Date: 2026-03-17SICHUAN TIANRANHAO FOOD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

The dust generated by existing spray drying towers is of diverse nature, and stubborn dust is difficult to remove, resulting in decreased air permeability of filter bags and reduced filtration efficiency.

Method used

The system uses a drive motor to power a turntable and linkage system, which, together with a hammer, knocks and cleans the filter bags. High-pressure air is sprayed through an air pump jet pipe to vibrate the filter bags, and a pressure sensor is used to achieve automated dust output.

Benefits of technology

It effectively removes stubborn dust from the surface of filter bags, improves the air permeability and filtration efficiency of filter bags, realizes automatic dust discharge, and ensures the efficient operation of dust removal equipment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223995627U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of dust removal equipment, and particularly relates to spray drying tower cloth bag dust removal equipment which comprises a rotating shaft, three connecting rods are installed on the outer side of the rotating shaft at equal intervals, beating hammers are installed at the bottom ends of the connecting rods, gears are installed on the outer side of one end of the rotating shaft, and a sliding groove is formed in one side of a shell. A rack is fixedly connected to one side of the sliding block, a rotating disc is installed at the output end of the driving motor, and a connecting rod is installed on the edge of the rotating disc through a pin shaft in a matched mode. When the rack slides, the gear drives the rotating shaft to rotate, the rotating shaft drives the connecting rod and the beating hammer to rotate along with the rotating shaft, and the beating hammer makes contact with the filter bag and beats the filter bag. And stubborn dust particles adsorbed on the outer surface of the filter bag can loosen and fall into the dust collecting hopper, so that the dust cleaning effect of the filter bag is improved, and the filtering performance of the filter bag is ensured.
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Description

Technical Field

[0001] This utility model relates to the field of dust removal equipment technology, specifically a spray drying tower bag dust collector. Background Technology

[0002] When walnut powder is processed through a spray drying tower, a large amount of dust is discharged into the tower, causing pollution to the working environment. Therefore, a bag filter is needed to prevent dust from escaping.

[0003] A Chinese patent with authorization announcement number CN221333226U discloses a bag filter dust collector, including a first slot, a filter plate slidably connected inside the first slot, a servo motor fixedly connected to the upper end of the cover plate, a fan blade slidably connected to the output end of the servo motor, the fan blade being fixed by a fixing plate and a set screw, and an air outlet pipe fixedly connected to one side of the upper end of the cover plate. By setting the servo motor, fan blade, and hinge, the fan blade can be flipped and installed, so that the fan blade blows air onto the filter bag, blowing off the dust attached to the outer wall of the filter bag. This device has a dual filtration structure, which can make the filtered air purer, and the filter bag can be cleaned without removing the filter bag.

[0004] However, the aforementioned bag filter dust collectors still have some problems. The dust generated by the spray drying tower has diverse properties, and some stubborn dust adsorbed on the surface of the filter bag cannot be effectively removed. The unremoved dust will gradually accumulate, leading to a decrease in the air permeability of the filter bag and a reduction in filtration efficiency. Therefore, a spray drying tower bag filter dust collector is proposed to address the above problems. Utility Model Content

[0005] In order to overcome the shortcomings of the existing technology and solve the problems mentioned in the background technology, this utility model proposes a spray drying tower bag dust collector.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: The spray drying tower bag dust collector of this utility model includes a shell. Two rotating shafts are symmetrically and rotatably installed on both sides of the bottom end of the shell. Three connecting rods are equidistantly installed on the outer side of the rotating shafts. A hammer is installed at the bottom end of each connecting rod. A gear is installed on the outer side of one end of each rotating shaft. A sliding groove is opened inside one side of the shell. A slider is slidably installed inside the sliding groove. A rack is fixedly connected to one side of the slider. The gears mesh with the rack. An installation frame is installed on one side of the shell. A drive motor is installed inside one side of the installation frame. A turntable is installed at the output end of the drive motor. A connecting rod is installed on the edge of the turntable through a pin. One end of the connecting rod is installed at the middle position of one side of the rack through a pin, so as to realize the hammering action of the hammer on the filter bag, effectively cleaning the dust on the filter bag and improving the dust removal efficiency.

[0007] Preferably, an air inlet pipe is connected to the other side of the housing, an air outlet pipe is installed at the top of one side of the housing, a dust collection hopper is connected through the bottom side of the housing, and a dust outlet pipe is connected to the bottom side of the dust collection hopper. Dust-laden gas is introduced through the air inlet pipe, and clean gas is discharged through the air outlet pipe. The dust collection hopper and the dust outlet pipe are used to collect and discharge dust.

[0008] Preferably, an installation plate is fixed to the inner top of the housing below the air outlet pipe. Three sets of three filter bags are equidistantly installed inside the installation plate. When the hammer is in operation, it will come into contact with the filter bags, thereby achieving the interception and filtration of dust.

[0009] Preferably, a conveying pipe is installed through the top of the housing, and three connecting pipes are installed at equal intervals on the bottom side of the conveying pipe. Each connecting pipe is connected to three air jet pipes on its bottom side. The air jet pipes extend into the interior of the filter bag, and an air pump is installed on the outer side of one end of the conveying pipe. The air jet pipes spray airflow into the interior of the filter bag to achieve pulse cleaning and further clean the dust on the filter bag.

[0010] Preferably, a telescopic rod is installed on the outer side of the ash collection hopper, an actuating rod is installed at the working end of the telescopic rod, a support plate is installed on the bottom side of the actuating rod, a support rod is installed on the top side of one end of the support plate, the top end of the support rod extends into the ash discharge pipe and is equipped with a plug head that matches the ash discharge pipe, a groove is opened in the plug head, and a pressure sensor is installed inside the groove. The pressure sensor is used to monitor the pressure of dust on the plug head. When the pressure reaches a preset value, the telescopic rod drives the plug head to move, realizing the automatic output of dust.

[0011] Preferably, support legs are installed at all four corners of the housing, a cover plate is fitted on the top side of the housing, and a control panel is installed on one side of the housing.

[0012] The advantages of this utility model are:

[0013] 1. When the drive motor of this utility model is started, it drives the turntable to rotate. The connecting rod moves with the rotation of the turntable. The connecting rod pulls the rack to slide in the slide groove. When the rack slides, the gear drives the rotating shaft to rotate. The rotating shaft drives the connecting rod and the hammer to rotate. The hammer contacts the filter bag and strikes the filter bag, which can loosen and fall off the stubborn dust particles adsorbed on the outer surface of the filter bag and fall into the dust collection hopper, thereby improving the dust removal effect of the filter bag and ensuring the filtration performance of the filter bag.

[0014] 2. When the pressure of the dust on the clogging head reaches the preset value of the pressure sensor, the pressure sensor transmits a signal to the control panel. After receiving the signal, the control panel controls the telescopic rod to move. The telescopic rod drives the action rod and the support plate to move, thereby causing the clogging head connected to the support rod to move out of the ash discharge pipe. The dust is discharged through the ash discharge pipe under the action of gravity, realizing the automated output of dust. Attached Figure Description

[0015] 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.

[0016] Figure 1 This is a schematic diagram of the intermediate axis side view of the present invention;

[0017] Figure 2 This is a schematic diagram of the main structure of a bag filter dust collector;

[0018] Figure 3 A schematic diagram of the component structure for hammering;

[0019] Figure 4 This is a schematic diagram of the main internal structure of the shell;

[0020] Figure 5 This is a schematic diagram of the dust removal component.

[0021] In the diagram: 1. Housing; 2. Rotating shaft; 3. Connecting rod; 4. Hammer; 5. Gear; 6. Slide groove; 7. Rack; 8. Mounting frame; 9. Drive motor; 10. Turntable; 11. Connecting rod; 12. Air inlet pipe; 13. Air outlet pipe; 14. Ash collection hopper; 15. Ash discharge pipe; 16. Mounting plate; 17. Filter bag; 18. Conveying pipe; 19. Connecting pipe; 20. Jet nozzle; 21. Air pump; 22. Telescopic rod; 23. Actuating rod; 24. Support plate; 25. Support rod; 26. Plug head; 27. Groove; 28. Pressure sensor; 29. ​​Support leg; 30. Cover plate; 31. Control panel. Detailed Implementation

[0022] 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.

[0023] Please see Figure 1-4 As shown, a spray drying tower bag dust collector includes a housing 1. Two rotating shafts 2 are symmetrically and rotatably mounted on both sides of the bottom end of the housing 1. Three connecting rods 3 are equidistantly mounted on the outer side of the rotating shafts 2. A hammer 4 is mounted on the bottom end of each connecting rod 3. A gear 5 is mounted on the outer side of one end of each rotating shaft 2. A sliding groove 6 is opened inside one side of the housing 1. A slider is slidably mounted inside the sliding groove 6. A rack 7 is fixedly connected to one side of the slider. The gears 5 mesh with the rack 7. An installation frame 8 is mounted on one side of the housing 1. A drive motor 9 is installed inside one side of the installation frame 8. A turntable 10 is mounted on the output end of the drive motor 9. A connecting rod 11 is mounted on the edge of the turntable 10 through a pin. One end of the connecting rod 11 is mounted on the middle position of one side of the rack 7 through a pin.

[0024] A conveying pipe 18 is installed through the top of the housing 1. Three connecting pipes 19 are equidistantly installed on the bottom side of the conveying pipe 18. Three jet pipes 20 are connected to the bottom side of each connecting pipe 19. The jet pipes 20 extend into the interior of the filter bag 17. An air pump 21 is installed on the outer side of one end of the conveying pipe 18. During operation, the dust generated by the spray drying tower is of various properties. Some stubborn dust adsorbed on the surface of the filter bag 17 cannot be effectively removed. The unremoved dust will gradually accumulate, causing the air permeability of the filter bag 17 to decrease and the filtration efficiency to decrease. The drive motor 9 starts, driving... As the turntable 10 rotates, the connecting rod 11, which is connected to the edge of the turntable 10 by a pin, moves with the rotation of the turntable 10. The connecting rod 11 pulls the rack 7 to slide in the slide groove 6. The rack 7 meshes with the gear 5. When the rack 7 slides, the gear 5 drives the rotating shaft 2 to rotate. The rotating shaft 2 drives the connecting rod 3 and the hammer 4 to rotate as well. The hammer 4 contacts the filter bag 17 and strikes the filter bag 17, which can loosen and fall off the stubborn dust particles adsorbed on the outer surface of the filter bag 17 and fall into the dust collection hopper 14, thereby improving the dust removal effect of the filter bag 17 and ensuring the filtration performance of the filter bag 17.

[0025] At the same time, the air pump 21 starts, delivering air through the delivery pipe 18. The air then enters the jet pipe 20 through the connecting pipe 19. The jet pipe 20 extends into the interior of the filter bag 17. When the high-pressure air is ejected from the jet pipe 20, the filter bag 17 will expand rapidly and vibrate, causing the dust on the outer surface of the filter bag 17 to be shaken off, further cleaning the dust on the filter bag 17. This, combined with mechanical knocking cleaning, enhances the cleaning effect and improves the dust removal efficiency.

[0026] Please see Figure 1-5As shown, an air inlet pipe 12 is connected to the other side of the housing 1, an air outlet pipe 13 is installed at the top of one side of the housing 1, a dust collection hopper 14 is connected through the bottom side of the housing 1, a dust outlet pipe 15 is connected to the bottom side of the dust collection hopper 14, and an installation plate 16 is fixed on the inner side of the top of the housing 1 below the air outlet pipe 13. Three sets of three filter bags 17 are equidistantly installed inside the installation plate 16. The hammer 4 will contact the filter bags 17 during operation.

[0027] A telescopic rod 22 is installed on the outside of the ash collection hopper 14. An actuating rod 23 is installed at the working end of the telescopic rod 22. A support plate 24 is installed on the bottom side of the actuating rod 23. A support rod 25 is installed on the top side of one end of the support plate 24. The top end of the support rod 25 extends into the ash discharge pipe 15 and is fitted with a plug head 26 that matches the ash discharge pipe 15. A groove 27 is formed in the plug head 26. A pressure sensor 28 is installed inside the groove 27. The pressure sensor 28 is used to monitor the pressure of dust on the plug head 26. Support legs 29 are installed at the four corners of the housing 1. A cover plate 30 is installed on the top side of the housing 1. A control panel 31 is installed on the side; during operation, when walnut powder is processed through the spray drying tower, a large amount of dust will be discharged into the tower body, causing pollution to the working environment. Therefore, a bag dust collector is needed to prevent dust from drifting. The dust-laden gas in the spray drying tower enters the interior of the shell 1 through the inlet pipe 12. At this time, the dust-laden gas filter bag 17 comes into contact. When the dust-laden gas passes through the filter bag 17, the dust particles are blocked on the outer surface of the filter bag 17 due to inertial collision, interception, diffusion and other effects, while the clean gas flows through the filter bag 17 to the upper part of the shell 1. The clean gas filtered by the filter bag 17 flows upward in the shell 1 and finally exits the shell 1 through the outlet pipe 13.

[0028] Dust shaken off during the dust removal process falls into the dust collection hopper 14. The dust discharge pipe 15 at the bottom of the dust collection hopper 14 is normally blocked by the plug head 26. When the dust in the dust collection hopper 14 accumulates to a certain level, and the pressure of the dust on the plug head 26 reaches the preset value of the pressure sensor 28, the pressure sensor 28 transmits a signal to the control panel 31. After receiving the signal, the control panel 31 controls the telescopic rod 22 to move. The telescopic rod 22 drives the action rod 23 and the support plate 24 to move, thereby causing the plug head 26 connected to the support rod 25 to move out of the dust discharge pipe 15. The dust is discharged through the dust discharge pipe 15 under the action of gravity, realizing the automatic output of dust. The specific model of the pressure sensor 28 is MPX5700AP.

[0029] Working principle: Dust-laden gas in the spray drying tower enters the interior of the shell 1 through the inlet pipe 12. At this time, the dust-laden gas filter bag 17 comes into contact with it. When the dust-laden gas passes through the filter bag 17, the dust particles are blocked on the outer surface of the filter bag 17 due to inertial collision, interception, diffusion and other effects, while the clean gas flows through the filter bag 17 to the upper part of the shell 1. The clean gas filtered by the filter bag 17 flows upward in the shell 1 and is finally discharged from the shell 1 through the outlet pipe 13.

[0030] The drive motor 9 starts, driving the turntable 10 to rotate. The connecting rod 11, which is connected to the edge of the turntable 10 by a pin, moves with the rotation of the turntable 10. The connecting rod 11 pulls the rack 7 to slide in the slide groove 6. The rack 7 meshes with the gear 5. When the rack 7 slides, the gear 5 drives the rotating shaft 2 to rotate. The rotating shaft 2 drives the connecting rod 3 and the hammer 4 to rotate. The hammer 4 contacts the filter bag 17 and strikes the filter bag 17, which can loosen and fall off the stubborn dust particles adsorbed on the outer surface of the filter bag 17 and fall into the dust collection hopper 14, thereby improving the dust removal effect of the filter bag 17 and ensuring the filtration performance of the filter bag 17.

[0031] At the same time, the air pump 21 starts and delivers air through the delivery pipe 18. Then the air enters the jet pipe 20 through the connecting pipe 19. The jet pipe 20 extends into the inside of the filter bag 17. When the high-pressure air is sprayed out from the jet pipe 20, the filter bag 17 will expand rapidly and vibrate, causing the dust on the outer surface of the filter bag 17 to be shaken off, further cleaning the dust on the filter bag 17. This, combined with mechanical knocking cleaning, enhances the cleaning effect and improves the dust removal efficiency.

[0032] Dust shaken off during the dust removal process falls into the dust collection hopper 14. The dust discharge pipe 15 at the bottom of the dust collection hopper 14 is normally blocked by the plug head 26. When the dust in the dust collection hopper 14 accumulates to a certain level, and the pressure of the dust on the plug head 26 reaches the preset value of the pressure sensor 28, the pressure sensor 28 transmits a signal to the control panel 31. After receiving the signal, the control panel 31 controls the telescopic rod 22 to move. The telescopic rod 22 drives the action rod 23 and the support plate 24 to move, thereby causing the plug head 26 connected to the support rod 25 to move out of the dust discharge pipe 15. The dust is discharged through the dust discharge pipe 15 under the action of gravity, realizing the automated output of dust.

[0033] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0034] 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 spray drying tower baghouse dust collection apparatus characterized by: The utility model provides a dust collecting device, including the casing (1), both sides between the bottom end of casing (1) symmetry rotatory mounting have two rotating shafts (2), the equal interval mounting have three connecting rods (3) on the outside of rotating shaft (2), the bottom end of connecting rod (3) all install knock hammer (4), the outside of one end of rotating shaft (2) all install gear (5), the inside of one side of casing (1) open have sliding slot (6), the inside sliding of sliding slot (6) install sliding block, the one side fixed connection of sliding block have rack (7), gear (5) all with rack (7) interlock, the one side of casing (1) install mounting frame (8), the inside of one side of mounting frame (8) install drive motor (9), the output of drive motor (9) install turntable (10), the edge of turntable (10) is installed through pin shaft cooperation and has connecting rod (11), the one end of connecting rod (11) is installed through pin shaft cooperation and is located in the one side middle end position of rack (7).

2. A spray drying tower cloth bag dust removal equipment according to claim 1, characterized in that: The other side of casing (1) is connected with the air inlet pipe (12), and the top end of one side of casing (1) is provided with an air outlet pipe (13); the bottom side of casing (1) is through-connected with an ash collecting hopper (14), and the bottom side of ash collecting hopper (14) is connected with an ash outlet pipe (15).

3. A spray drying tower cloth bag dust removal equipment according to claim 2, characterized in that: The inside of the top end of casing (1) is fixed with a mounting plate (16) below the air outlet pipe (13), and the inside of mounting plate (16) is through-connected with three groups of filter bags (17) in equal intervals, and the knock hammer (4) is in contact with the filter bag (17) during operation.

4. A spray drying tower cloth bag dust removal equipment according to claim 3, characterized in that: The top end of casing (1) is through-connected with a conveying pipe (18), and the bottom side of conveying pipe (18) is provided with three connecting pipes (19) in equal intervals; the bottom side of connecting pipe (19) is connected with three air injection pipes (20); the air injection pipe (20) extends into the filter bag (17); and the one end of conveying pipe (18) is provided with an air pump (21) on the outside.

5. A spray drying tower cloth bag dust removal equipment according to claim 2, characterized in that: The outside of ash collecting hopper (14) is provided with a telescopic rod (22), and the acting end of telescopic rod (22) is provided with an acting rod (23); the bottom side of acting rod (23) is provided with a supporting plate (24); the top end of one side of supporting plate (24) is provided with a supporting rod (25); the top end of supporting rod (25) extends into the ash outlet pipe (15) and is provided with a plug head (26) matched with the ash outlet pipe (15); the inside of plug head (26) is provided with a groove (27); and the inside of groove (27) is provided with a pressure sensor (28); the pressure sensor (28) is used for monitoring the pressure degree of dust on the plug head (26).

6. A spray drying tower cloth bag dust removal equipment according to claim 5, characterized in that: The four corners of casing (1) are provided with supporting legs (29); the top side of casing (1) is provided with a cover plate (30); and the one side of casing (1) is provided with a control panel (31).

Citation Information

Patent Citations

  • Cloth bag dust removal equipment

    CN221333226U