A bag filter dust collector

Abstract

This utility model provides a bag filter dust collector, including a main body and a large particle dust removal device. The large particle dust removal device includes a large particle dust filter cartridge, an elastic connecting structure, a vertical plate, and a vibration motor. The large particle dust filter cartridge filters out large, heavy dust particles and larger dust particles that have not reached the critical value for natural settling due to gravity from the dust-laden gas. The vibration of the motor on the vertical plate acts on the large particle dust filter cartridge, causing the dust adhering to its filter components to fall off, ensuring the continuous use of the large particle dust filter cartridge. An elastic connecting structure is installed between the rear end of the large particle dust filter cartridge and the air inlet of the main body of the bag filter dust collector. The elastic connecting structure moves with the vibration, preventing mechanical damage to the rear connection of the large particle dust filter cartridge caused by vibration.

Description

Technical Field

[0001] This utility model relates to the field of dust removal device technology, and in particular to a bag filter dust removal device. Background Technology

[0002] A bag filter is a dry dust filtration device suitable for collecting fine, dry, non-fibrous dust.

[0003] Currently, when dust-laden gas enters a baghouse dust collector, large and heavy dust particles settle down due to gravity and fall into the ash hopper. However, larger dust particles that do not reach the critical value for natural settling due to gravity still enter the baghouse dust collector with the gas. The combined effect of large and fine dust particles makes it easier for dust deposited on the outer wall of the dust collector bags to cause blockage and agglomeration, resulting in a shorter cleaning cycle for the dust collector bags and increasing the workload of operation. Utility Model Content

[0004] The purpose of this utility model is to provide a bag filter dust collector. The main body of the bag filter dust collector prevents larger dust particles from entering the bag filter dust collector. The filter components of the large dust particle filter cartridge are cleaned by vibration. The elastic connection structure avoids mechanical damage to the rear connection of the large dust particle filter cartridge caused by vibration, thereby extending the cleaning cycle of the dust collector bag.

[0005] This utility model provides a bag filter dust collector, comprising:

[0006] The main body of the bag filter dust collector has an air inlet that is fixedly connected to a large particle dust removal device.

[0007] The large particle dust removal device includes:

[0008] The large particle dust filter cartridge is equipped with an elastic connection structure between its rear end and the air inlet of the main body of the bag dust collector.

[0009] The side wall of the large particle dust filter cartridge is fixedly fitted with a vertical plate, and the rear wall is fixedly fitted with a vibration motor.

[0010] As a further optimization, in order to ensure that the vibration of the large particle dust filter cartridge is symmetrical and the vibration effect is balanced, the vertical plate and the vibration motor on it are uniformly and symmetrically fixedly assembled on the left and right sides of the side wall of the large particle dust filter cartridge.

[0011] As a further optimization, in order to filter the smoke and dust and remove large particles of dust, the large particle dust filter cartridge includes:

[0012] A rectangular cylindrical body with a discharge window in the middle of its bottom surface;

[0013] A corrugated filter plate is fixedly installed inside the rectangular cylinder.

[0014] As a further optimization, in order to better perform multi-stage filtration of smoke and dust and remove large particles of dust, the corrugated filter plate includes:

[0015] The first inclined filter plate has its lower end inclined forward.

[0016] The second inclined filter plate has its lower end inclined backward;

[0017] There are two of each of the first and second inclined filter plates;

[0018] The first inclined filter plate and the second inclined filter plate are alternately fixedly assembled into the inner cavity of the rectangular cylinder along the length direction.

[0019] As a further optimization, to slightly compensate for the temperature difference in the intake air and improve the temperature range of the dust collector bags used in the device, temperature compensation structures are installed on the left and right sides and top of the outer wall of the rectangular cylinder, which include:

[0020] The installation cavity is located on the left and right sides and top of the outer wall of the rectangular cylinder;

[0021] A serpentine bend is inserted into the mounting cavity, with both ends extending through the outer wall of the mounting cavity to the outside.

[0022] As a further optimization, in order to move in sync with the vibration of the vibrating motor and avoid mechanical damage to the rear connection of the large-particle dust filter cartridge, the elastic connection structure includes:

[0023] The connecting ring body has pre-reserved through holes evenly distributed on its front and rear side walls;

[0024] A screw is vertically fixedly assembled at the outer edge of the air inlet of the main body of the bag dust collector, corresponding to the reserved through hole of the connecting ring.

[0025] The rear end of the large particle dust filter cartridge is coaxially and fixedly connected to the connecting ring.

[0026] The front end of the screw passes through the corresponding reserved through hole on the connecting ring body;

[0027] A hand-tightening nut is screwed to the front end of the screw;

[0028] A spring is sleeved in the middle of the outer wall of the screw, with its two ends abutting against the front wall of the connecting ring and the rear end of the hand-tightening nut, respectively.

[0029] As a further optimization, in order to facilitate the drainage of large dust particles filtered out by the large dust filter cartridge and shaken off, and to facilitate the centralized collection and treatment of these dust particles, a dust collection hopper is fixedly installed on the bottom surface of the rectangular cylinder, and the discharge window is located inside the upper end of the dust collection hopper.

[0030] As a further optimization, to provide stable support for the device, a support frame is fixedly mounted on the lower end of the outer wall of the main body of the bag filter dust collector, which includes:

[0031] There are two H-shaped supports, which are distributed parallel to each other on the left and right sides.

[0032] The upper end of the H-shaped bracket has fixing bolts on both the front and rear sides of the upper end of the outer wall, and its ends are screwed to the same side of the lower end of the outer wall of the main body of the bag dust collector.

[0033] Both sides of the upper end of the H-shaped brackets on both sides are fixedly connected with crossbeams.

[0034] As a further optimization, in order to effectively absorb and disperse the vibration generated during the operation of the device and reduce the impact of vibration on the device itself and its surrounding environment, and to provide a more stable support, wear-resistant rubber pads help prevent unnecessary movement or tilting of the device during operation and ensure stable operation of the device. The lower end of the H-shaped bracket is glued and fixed with wear-resistant rubber pads.

[0035] As a further optimization, in order to further improve the stability of the device support, strip-shaped horizontal plates are fixedly installed at the lower ends of the front and rear side walls of the main body of the bag filter, which abut against the upper end of the horizontal beam on the same side.

[0036] This utility model provides an improved bag filter dust collector, which has the following improvements and advantages compared with the prior art:

[0037] The system utilizes a large-particle dust filter cartridge to remove large, heavy dust particles and larger particles that have not yet reached the critical value for natural settling due to gravity from the dust-laden gas. Vibration from a motor on the vertical plate causes the large-particle dust filter cartridge to detach the dust adhering to its filter components, ensuring its continuous use. An elastic connection structure is installed between the rear end of the large-particle dust filter cartridge and the air inlet of the bag filter unit. This elastic connection structure moves with the vibration, preventing mechanical damage to the rear connection of the large-particle dust filter cartridge caused by vibration. Attached Figure Description

[0038] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0039] Figure 1 This is a schematic diagram of the structure of this utility model;

[0040] Figure 2 This is a partial structural schematic diagram of the present invention;

[0041] Figure 3 This is a schematic cross-sectional view of the structure of the large particle dust filter cartridge of this utility model;

[0042] Figure 4 This is a schematic diagram of the temperature compensation structure of this utility model;

[0043] Figure 5 This utility model Figure 2 Enlarged structural diagram at point A in the middle;

[0044] Figure 6 This is a schematic diagram of the support frame structure of this utility model.

[0045] Explanation of reference numerals in the attached figures:

[0046] 1-Main body of bag filter, 2-Support frame, 21-H-shaped bracket, 22-Fixing bolt, 23-Crossbeam, 3-Large particle dust removal device, 31-Large particle dust filter cartridge, 311-Rectangular cylinder, 312-Discharge window, 313-Dust collection hopper, 314-First inclined filter plate, 315-Second inclined filter plate, 32-Elastic connection structure, 321-Connecting ring, 322-Screw, 323-Spring, 324-Hand-tightening nut, 33-Upright plate, 34-Vibration motor, 4-Temperature compensation structure, 41-Installation cavity, 42-Serpentine bend, 5-Wear-resistant rubber pad, 6-Strip horizontal plate. Detailed Implementation

[0047] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0048] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0049] In the description of this utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified. Furthermore, the terms "installed," "connected," and "linked" should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0050] Please see Figure 1-6 This utility model provides a technical solution: a bag filter dust collector, comprising:

[0051] The main body 1 of the bag filter dust collector has a large particle dust removal device 3 fixedly connected to its air inlet.

[0052] Large particulate dust removal device 3 includes:

[0053] The large particle dust filter cartridge 31 has an elastic connection structure 32 installed between its rear end and the air inlet of the main body 1 of the bag dust collector.

[0054] A vertical plate 33 is fixedly mounted on the side wall of the large particle dust filter cartridge 31, and a vibration motor 34 is fixedly mounted on its rear wall.

[0055] Specifically, in this embodiment, the large particle dust removal device 3 is a cylindrical structure with an internal filter component, and the pore size of the filter component is slightly larger than the pore size of the dust collection bag used in the main body 1 of the bag dust collector.

[0056] Furthermore, the elastic connection structure 32 is an elastic connection component, and its expansion and contraction direction after being subjected to pressure is the front-to-back direction, which is the same as the vibration direction of the vibration motor 34.

[0057] More specifically, the large-particle dust filter cartridge 31 is used to filter out large, heavy dust particles and larger dust particles that have not reached the critical value for natural settling due to gravity in the dust-laden gas. The vibration of the large-particle dust filter cartridge 31 is applied by the vibration motor 34, causing the dust adhering to its filter components to fall off, ensuring the continuous use of the large-particle dust filter cartridge 31. An elastic connection structure 32 is installed between the rear end of the large-particle dust filter cartridge 31 and the air inlet of the main body 1 of the bag dust collector. The elastic connection structure 32 moves with the vibration, avoiding mechanical damage to the rear end connection of the large-particle dust filter cartridge 31 caused by the vibration.

[0058] It is understandable that the vibration motor 34 is fixed to the side wall of the large particle dust filter cylinder 31 by the vertical plate 33, ensuring that the vibration direction of the vibration motor 34 is the same as the extension and retraction direction of the elastic connection structure 32.

[0059] In some embodiments, the vertical plate 33 and the vibration motor 34 thereon are uniformly and symmetrically fixedly assembled on the left and right sides of the side wall of the large particle dust filter cylinder 31.

[0060] Specifically in this embodiment, each side plate 33 and the vibration motor 34 there are two to ensure vibration intensity;

[0061] Furthermore, the vibration motors 34 on the left and right side walls of the large particle dust removal cylinder 31 are symmetrically arranged, so that the vibration of the large particle dust removal cylinder 31 is symmetrical, ensuring the balance of vibration effect and avoiding the phenomenon of uneven cleaning effect of the filter components inside the large particle dust removal cylinder 31 due to unbalanced vibration.

[0062] In some embodiments, the large particulate dust filter cartridge 31 includes:

[0063] A rectangular cylindrical body 311 has a discharge window 312 in the middle of its bottom surface;

[0064] A corrugated filter plate is fixedly installed inside the rectangular cylindrical body 311.

[0065] Specifically, in this embodiment, the corrugated filter plate inside the rectangular cylinder 311 can filter out dust particles with large particle size and high specific gravity, as well as dust particles that are large but have not reached the critical value for natural settling due to gravity.

[0066] Furthermore, the dust filtered by the corrugated filter plate falls off and is discharged from the discharge window 312;

[0067] Understandably, the individual filter sections in the corrugated filter plate are tilted to increase the contact area with the flue gas and better filter out dust.

[0068] In some embodiments, the corrugated filter plate includes:

[0069] The first inclined filter plate 314 has its lower end inclined forward.

[0070] The second inclined filter plate 315 has its lower end inclined backward;

[0071] There are two of each of the first inclined filter plate 314 and the second inclined filter plate 315;

[0072] The first inclined filter plate 314 and the second inclined filter plate 315 are alternately fixedly assembled in the inner cavity of the rectangular cylinder 311 along the length direction.

[0073] Specifically, in this embodiment, the tilt angle of the first inclined filter plate 314 and the second inclined filter plate 315 is 45 degrees.

[0074] Furthermore, the two first inclined filter plates 314 and the second inclined filter plates 315 are alternately arranged along the length of the inner cavity of the rectangular cylinder 311 to form a wave-like shape.

[0075] It is understandable that the outer walls of the first inclined filter plate 314 and the second inclined filter plate 315 are fitted to the inner wall of the rectangular cylinder 311 without leaving any gaps.

[0076] In some embodiments, temperature compensation structures 4 are fitted on the left and right sides and top of the outer wall of the rectangular cylinder 311, which include:

[0077] The cavity 41 is installed on the left and right sides and the top of the outer wall of the rectangular cylinder 311;

[0078] A serpentine bend 42 is inserted into the mounting cavity 41, with both ends extending through the outer wall of the mounting cavity 41 to the outside.

[0079] Specifically in this embodiment, cold and hot water can pass through the serpentine bend 42, and the rectangular cylinder 311 is made of a heat-conducting material, which is stainless steel in this embodiment, to better transfer temperature.

[0080] Furthermore, the installation cavity 41 is not located at the bottom of the outer wall of the rectangular cylinder 311 because a discharge window 312 is provided at the bottom;

[0081] More specifically, when the temperature of the supplied dust-laden gas is slightly higher than the applicable range of the dust collector bags of the bag filter, cold water is introduced into the serpentine bend 42 to cool down the gas and reduce the temperature of the dust-laden gas to the applicable range of the dust collector bags.

[0082] When the temperature of the supplied dust-laden gas is slightly lower than the applicable range of the dust collector bags of the bag filter, hot water is introduced into the serpentine bend 42 to heat the gas and raise the temperature of the dust-laden gas to the applicable range of the dust collector bags, so as to avoid damage to the dust collector bags caused by excessively high dust-laden gas temperature and condensation caused by excessively low dust-laden gas temperature.

[0083] It is understandable that, due to the limited length of the rectangular cylinder 311, the heat exchange effect of the serpentine bend 42 can only adjust the temperature of the supplied dust-laden gas within a very small range. In other embodiments, the serpentine bend 42 can be replaced by a heating device and a cooling device to adjust the temperature of the supplied dust-laden gas within a wider range.

[0084] In some embodiments, the resilient connection structure 32 includes:

[0085] The connecting ring 321 has pre-reserved through holes evenly provided on its front and rear side walls;

[0086] A screw 322 is vertically fixedly assembled at the outer edge of the air inlet of the main body 1 of the bag dust collector, corresponding to the reserved through hole of the connecting ring 321.

[0087] The rear end of the large particle dust filter cartridge 31 is coaxially and fixedly connected to the connecting ring 321;

[0088] The front end of the screw 322 passes through the corresponding reserved through hole on the connecting ring 321;

[0089] A hand-tightening nut 324 is screwed to the front end of screw 322;

[0090] A spring 323 is sleeved in the middle of the outer wall of the screw 322, with its two ends abutting against the front wall of the connecting ring 321 and the rear end of the hand-tightening nut 324, respectively.

[0091] Specifically in this embodiment, the connecting ring 321 at the rear end of the large particle dust filter cartridge 31 is sleeved on the outer wall of the screw 322 at the outer edge of the air inlet of the main body 1 of the bag dust collector. A spring 323 is sleeved at the front end of the screw 322 and a hand-tightening nut 324 is screwed on. The hand-tightening nut 324 is used to squeeze the spring 323 on the rear side to abut against the connecting ring 321.

[0092] More specifically, when the large particle dust filter cartridge 31 is vibrated, the vibration is transmitted to the connecting ring 321. The connecting ring 321 slides forward on the outer wall of the screw 322, squeezing the spring 323 to deform. After the vibration disappears, the spring 323 pushes the connecting ring 321 to move backward and reset.

[0093] Understandably, the hand-tightening nut 324 is a self-locking nut to prevent loosening due to the vibration of the spring 323. By rotating the hand-tightening nut 324, the degree of compression on the spring 323 can be adjusted, thereby adjusting the elasticity of the spring 323. Multiple springs 323 adjust the degree of compression synchronously and ensure that the degree of compression is approximately the same.

[0094] In some embodiments, a dust collection hopper 313 is fixedly mounted on the bottom surface of the rectangular cylinder 311, and the discharge window 312 is located inside the upper end of the dust collection hopper 313, which facilitates the discharge of large dust particles filtered out by the large dust filter cartridge 31 and shaken off, and facilitates the centralized collection and treatment of these dust particles.

[0095] In some embodiments, a support frame 2 is fixedly mounted on the lower end of the outer wall of the main body 1 of the bag filter dust collector, which includes:

[0096] There are two H-shaped brackets 21, which are distributed parallel to each other on the left and right sides;

[0097] The upper end of the H-shaped bracket 21 has fixing bolts 22 on both the front and rear sides of the upper end of the outer wall, and its ends are screwed to the same side of the lower end of the outer wall of the main body 1 of the bag dust collector.

[0098] Both the front and rear sides of the upper end of the H-shaped brackets 21 on both sides are fixedly connected with crossbeams 23.

[0099] Specifically in this embodiment, the H-shaped bracket 21 is fixedly connected to the lower end of the outer wall of the main body 1 of the bag dust collector by fixing bolts 22, which makes it easy to disassemble when replacement is needed.

[0100] Furthermore, the upper ends of the two H-shaped supports 21 are reinforced by crossbeams 23, so that the two H-shaped supports 21 are connected as a whole, thereby enhancing the overall mechanical strength.

[0101] Understandably, the H-shaped bracket 21 itself has a crossbeam in the middle, providing sufficient support strength.

[0102] In some embodiments, a wear-resistant rubber pad 5 is attached and fixed to the lower end of the H-shaped bracket 21, which effectively absorbs and disperses the vibration generated during the operation of the device, reduces the impact of vibration on the device itself and its surrounding environment, and provides a more stable support. The wear-resistant rubber pad 5 helps to prevent the device from moving or tilting unnecessarily during operation, ensuring the stable operation of the device.

[0103] In some embodiments, strip-shaped horizontal plates 6 are fixedly mounted on the lower ends of the front and rear side walls of the main body 1 of the bag filter, which abut against the upper end of the crossbeam 23 on the same side. The crossbeam 23 provides auxiliary support for the strip-shaped horizontal plates 6 fixedly connected to the lower end of the main body 1 of the bag filter, thereby further improving the stability of the device support.

[0104] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A bag filter dust collector, characterized in that, include: The main body of the bag filter (1) has a large particle dust removal device (3) fixedly connected to its air inlet; The large particle dust removal device (3) includes: The large particle dust filter cartridge (31) has an elastic connection structure (32) installed between its rear end and the air inlet of the main body (1) of the bag dust collector; The large particle dust filter cartridge (31) has a vertical plate (33) fixedly mounted on its side wall and a vibration motor (34) fixedly mounted on its rear wall.

2. The bag filter dust collector according to claim 1, characterized in that, The vertical plate (33) and the vibration motor (34) thereon are uniformly and symmetrically fixedly assembled on the left and right sides of the side wall of the large particle dust filter cylinder (31).

3. The bag filter dust collector according to claim 1, characterized in that, The large particle dust filter cartridge (31) includes: A rectangular cylindrical body (311) has a discharge window (312) in the middle of its bottom surface; The rectangular cylinder (311) has a corrugated filter plate fixedly installed inside.

4. The bag filter dust collector according to claim 3, characterized in that, The corrugated filter plate includes: The first inclined filter plate (314) has its lower end inclined forward; The second inclined filter plate (315) has its lower end inclined backward; There are two of each of the first inclined filter plate (314) and the second inclined filter plate (315); The first inclined filter plate (314) and the second inclined filter plate (315) are alternately fixedly assembled in the inner cavity of the rectangular cylinder (311) along the length direction.

5. A bag filter dust collector according to claim 3, characterized in that, Temperature compensation structures (4) are fitted on the left and right sides and top of the outer wall of the rectangular cylinder (311), which include: The cavity (41) is installed on the left and right sides and top of the outer wall of the rectangular cylinder (311); A serpentine bend (42) is inserted into the mounting cavity (41), with both ends extending through the outer wall of the mounting cavity (41) to the outside.

6. The bag filter dust collector according to claim 1, characterized in that, The elastic connection structure (32) includes: The connecting ring (321) has pre-reserved through holes evenly provided on its front and rear side walls; The main body (1) of the bag filter is vertically fixed with a screw (322) at the outer edge of the air inlet corresponding to the reserved through hole of the connecting ring (321); The rear end of the large particle dust filter cartridge (31) is coaxially and fixedly connected to the connecting ring (321); The front end of the screw (322) passes through the corresponding reserved through hole on the connecting ring (321); A hand-tightening nut (324) is screwed to the front end of the screw (322); A spring (323) is sleeved in the middle of the outer wall of the screw (322), and its two ends abut against the front wall of the connecting ring (321) and the rear end of the hand-tightening nut (324), respectively.

7. A bag filter dust collector according to claim 3, characterized in that, The bottom surface of the rectangular cylinder (311) is fixedly equipped with a dust collection hopper (313), and the discharge window (312) is located inside the upper end of the dust collection hopper (313).

8. A bag filter dust collector according to claim 1, characterized in that, The lower end of the outer wall of the main body (1) of the bag filter is fixedly fitted with a support frame (2), which includes: The H-shaped bracket (21) has two parallel H-shaped brackets on its left and right sides. The upper end of the H-shaped bracket (21) is provided with fixing bolts (22) on both the front and rear sides, and the ends of the bolts are screwed to the lower end of the outer wall of the main body (1) of the bag filter. Both sides of the upper end of the H-shaped bracket (21) are fixedly connected with crossbeams (23).

9. A bag filter dust collector according to claim 8, characterized in that, A wear-resistant rubber pad (5) is attached and fixed to the lower end of the H-shaped bracket (21).

10. A bag filter dust collector according to claim 8, characterized in that, The main body (1) of the bag filter is fixedly equipped with strip-shaped horizontal plates (6) on the lower ends of the front and rear side walls, which abut against the upper end of the horizontal beam (23) on the same side.

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