Soot blowing device of dust remover cloth bag

Abstract

The utility model discloses a dust blowing device of a dust remover bag, which relates to the technical field of bag-type dust removers, and comprises a mounting plate, the mounting plate is mounted in an inner cavity of a dust remover, a plurality of groups of filter bags are arranged on the mounting plate in an array manner, an air inlet component is arranged above the mounting plate, the air inlet component comprises a liftable support, and the liftable support is provided with an air outlet. Air inlet pipes are arranged on the upper side of the support corresponding to each row of filter cloth bags, each group of air inlet pipes corresponding to the filter cloth bags on the row are connected with an air injection assembly, the air injection assembly comprises a second connecting pipe, one end of the second connecting pipe is communicated with the air inlet pipes, and the end, away from the air inlet pipes, of the second connecting pipe is rotatably and hermetically connected with an air injection pipe; a plurality of groups of nozzles are fixedly connected to the air spraying pipe, air holes are formed in the air spraying pipe corresponding to the nozzles, a rotatable connecting pipe III is arranged in an inner cavity of the air spraying pipe, and the outer circumferential surface of the connecting pipe III is attached to the inner circumferential surface of the air spraying pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of bag dust collectors, in particular to a dust blowing device for a bag dust collector. Background Art

[0002] A bag filter is a dry dust filter suitable for capturing fine, dry, non-fibrous dust. Made of textile filter cloth or non-woven felt, the filter bags utilize the filtration properties of the fabric to filter dust-laden air. When dust-laden air enters the bag filter, large, high-density dust particles settle due to gravity and fall into the hopper. Finer dust particles are retained as they pass through the filter material, resulting in purification.

[0003] The filter bags in existing bag dust collectors are usually cleaned by spraying compressed air after filtering dust for a long time. However, the existing powder spraying devices are generally fixed just above the filter bags and spray directly at the filter bags. This spraying method is prone to uneven spraying and a small spraying area, which cannot reach the dust particles on the surface below the filter bags, resulting in poor cleaning effect of the filter bags, which in turn affects the later working efficiency of the bag dust collector.

[0004] The bag dust collector powder spraying device with publication number CN219942126U includes a bag dust collector body, in which a plurality of filter bags distributed in a matrix are arranged, and further includes: a powder spraying structure, which is arranged directly above the plurality of the filter bags, and the powder spraying structure is composed of an air inlet part, an extension part and a rotating jet part, and is used to spray away dust particles on the plurality of the filter bags.

[0005] Although the device can achieve the dust blowing effect on the filter bag, each filter bag is only provided with two sets of air jets, and the air jet efficiency is low. At the same time, the lifting method cannot completely perform air jet treatment on the filter bag, and the air jets are not blocked, which easily causes smoke to escape. Therefore, it is necessary to design a dust collector bag dust blowing device that improves the cleaning efficiency and effect of the filter bag. Utility Model Content

[0006] The purpose of the utility model is to provide a dust blowing device for a dust collector bag in order to address the existing technical defects and solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a dust blowing device for a dust collector bag, comprising a mounting plate, which is installed in the inner cavity of the dust collector, and a plurality of groups of filter bags are arranged in an array on the mounting plate, and an air intake assembly is arranged above the mounting plate, and the air intake assembly includes a liftable bracket, and an air intake pipe is provided on the upper side of the bracket corresponding to each row of filter bags, and each group of the air intake pipes is connected to an injection assembly corresponding to the filter bags on the row.

[0008] The utility model further describes that the jet assembly includes a second connecting pipe, one end of which is connected to the air intake pipe, and the end of the second connecting pipe away from the air intake pipe is rotatably and sealedly connected to the jet pipe, and several groups of nozzles are fixedly connected to the jet pipe, and the jet pipe is provided with air holes corresponding to the nozzles.

[0009] The utility model further describes that the inner cavity of the jet tube is provided with a rotatable connecting tube three, the outer circumferential surface of the connecting tube three is in contact with the inner circumferential surface of the jet tube, and a through hole is opened on the connecting tube three corresponding to the air hole connecting the jet tube to the nozzle.

[0010] The utility model further describes that an intake manifold is arranged above one end of the intake pipe relative to the intake pipe, each group of the intake pipes is connected to a connecting pipe 1, the other end of the connecting pipe 1 is connected to the intake manifold, one end of the intake manifold is closed, and the other end of the intake manifold is connected to a hose, and the hose passes through the dust collector and is connected to a high-pressure air pump.

[0011] The utility model further describes that an arc-shaped opening is opened on the side of the jet pipe close to the connecting pipe 2, and the connecting pipe 3 is fixedly connected to a limit block at the position corresponding to the arc-shaped opening. The jet pipe is fixedly connected to a fixed plate on the side close to the connecting pipe 2, and an electric telescopic rod is hinged on the fixed plate, and the telescopic end of the electric telescopic rod is hinged to the limit block.

[0012] The utility model further illustrates that hydraulic telescopic cylinders are provided at the four corners of the bracket, the fixed ends of the hydraulic telescopic cylinders are fixedly connected to the upper side of the mounting plate, and the telescopic ends of the hydraulic telescopic cylinders are connected to the bracket.

[0013] The utility model further illustrates that the upper side of the dust collector is connected to an air intake pipe, the lower side of the dust collector is connected to a smoke inlet pipe, and the mounting plate is located between the air intake pipe and the smoke inlet pipe.

[0014] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: the present invention fills the air jet pipe with high-pressure gas through the air intake assembly and sprays it out through the nozzle, thereby achieving dust blowing and cleaning of the filter bag.

[0015] By setting up a hydraulic telescopic cylinder to lift the air intake assembly and the jet assembly, the dust blowing and cleaning work at different heights on the filter bag can be achieved, and the filter bag can be completely cleaned.

[0016] By providing a rotatable connecting pipe three, the air holes of the jet pipe are blocked after cleaning is completed, so as to prevent the smoke from entering the jet assembly and the air intake assembly after cleaning and causing the smoke to escape. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a schematic cross-sectional view of the overall structure of the utility model;

[0019] Figure 2 This utility model Figure 1 Schematic diagram of the local enlarged structure of area A;

[0020] Figure 3 This is a schematic cross-sectional view of the structure of the jet assembly of the utility model;

[0021] Figure 4 This utility model Figure 3 Schematic diagram of the local enlarged structure of area B;

[0022] Figure 5 This is a schematic diagram of the cross-sectional structure of the connecting pipe of the utility model;

[0023] In the figure: 1. Dust collector; 2. Mounting plate; 3. Filter bag; 4. Intake pipe; 5. Smoke inlet pipe; 6. Bracket; 7. Hydraulic telescopic cylinder; 8. Intake pipe; 9. Intake main pipe; 10. Connecting pipe 1; 11. Jet assembly; 12. Connecting pipe 2; 13. Jet pipe; 14. Gear 1; 15. Base; 16. Drive motor; 17. Gear 2; 18. Connecting pipe 3; 19. Through hole; 20. Arc-shaped opening; 21. Limit block; 22. Fixing plate; 23. Electric telescopic rod; 24. Nozzle. DETAILED DESCRIPTION

[0024] The following is a non-limiting detailed description of the technical solution of the present invention in conjunction with preferred embodiments and their accompanying drawings. Obviously, the described embodiments are only a portion of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0025] See also Figure 1-5 The utility model provides a technical solution: a dust blowing device for a dust collector bag, comprising a dust collector body 1, a mounting plate 2 is horizontally arranged in the inner cavity of the dust collector 1, a plurality of groups of filter bags 3 are arrayed on the mounting plate 2, the filter bags 3 are arranged vertically, and one end of the opening of the filter bag 3 passes through the mounting plate 2 and is arranged upward and mounted on the mounting plate 2.

[0026] The upper side of the dust collector 1 is connected to an intake pipe 4, and the lower side of the dust collector 1 is connected to a smoke inlet pipe 5. The mounting plate 2 is located between the intake pipe 4 and the smoke inlet pipe 5. The flue gas enters the inner cavity of the dust collector 1 through the smoke inlet pipe 5. The intake pipe 4 extracts the air in the inner cavity of the dust collector 1 and drives the flue gas to rise at the same time. The flue gas is filtered and dust-removed by the filter bag 3, and then sucked into the intake pipe 4 and discharged from the dust collector 1.

[0027] An air intake assembly is provided above the mounting plate 2 , and the air intake assembly includes a bracket 6 . Hydraulic telescopic cylinders 7 are provided at the four corners of the bracket 6 . The fixed end of the hydraulic telescopic cylinder 7 is fixedly connected to the upper side of the mounting plate 2 , and the telescopic end of the hydraulic telescopic cylinder 7 is connected to the bracket 6 .

[0028] An air intake pipe 8 is horizontally arranged on the upper side of the bracket 6 corresponding to each row of filter bags 3. Several groups of air intake pipes 8 are parallel to each other on the same horizontal plane. An air intake main pipe 9 is vertically arranged above one end of the air intake pipe 8 and coplanar with the air intake pipe 8. Each group of air intake pipes 8 is connected with a connecting pipe 10, and the other end of the connecting pipe 10 is connected to the air intake main pipe 9. One end of the air intake main pipe 9 is closed, and the other end is connected to a hose. The hose passes through the dust collector 1 and is connected to a high-pressure air pump. The high-pressure air pump inputs high-pressure gas into the air intake pipe 8 through the hose, the air intake main pipe 9 and the connecting pipe 10.

[0029] Each group of air intake pipes 8 is connected to an injection assembly 11 corresponding to the filter bag 3 on the row. The injection assembly 11 includes a vertically arranged connecting pipe 2 12. One end of the connecting pipe 2 12 is connected to the air intake pipe 8. The end of the connecting pipe 2 12 away from the air intake pipe 8 is rotatably sealed and connected to the injection pipe 13.

[0030] The jet pipe 13 partially penetrates into the connecting pipe 12, so that the air intake pipe 8 is connected to the jet pipe 13 through the connecting pipe 12. A gear 14 is provided on the outer wall of one side of the jet pipe 13 that penetrates into the connecting pipe 12. The outer wall of the connecting pipe 10 is fixedly connected to a base 15, and a drive motor 16 is fixedly connected to the base 15. The output end of the drive motor 16 passes through the base 15 and the wall of the connecting pipe 10 and is connected to a gear 2 17 in the connecting pipe 10. Both the gear 14 and the gear 2 17 are bevel gears. The gear 14 is meshed with the gear 2 17, and the jet pipe 13 is driven to rotate relative to the connecting pipe 10 by the drive motor 16.

[0031] The air jet pipe 13 penetrates into the filter cloth bag 3 and is vertically arranged at the center of the filter cloth bag 3. The end of the air jet pipe 13 away from the connecting pipe 12 is closed. A plurality of groups of nozzles 24 are fixedly connected to the air jet pipe 13. The plurality of groups of nozzles 24 are linearly and evenly arranged along the axis direction of the air jet pipe 13. Air holes are opened in the air jet pipe 13 corresponding to the nozzles 24. The input end of the nozzle 24 is connected with the inner cavity of the air jet pipe 13 through the air hole, so that the high-pressure gas in the air inlet pipe 8 enters the air jet pipe 13 through the connecting pipe 10 and is ejected from the nozzle 24 to spray the filter cloth bag 3, so that the dust on the outer surface of the filter cloth bag 3 falls off.

[0032] A rotatable connecting tube 3 18 is provided in the inner cavity of the jet tube 13. The outer circumferential surface of the connecting tube 3 18 is in contact with the inner circumferential surface of the jet tube 13. The connection between the connecting tube 3 18 and the jet tube 13 is sealed, so that the high-pressure gas in the intake pipe 8 enters the lumen of the connecting tube 3 18 through the connecting tube 2 12. A through hole 19 is provided on the connecting tube 3 18 corresponding to the air hole connecting the jet tube 13 to the nozzle 24.

[0033] When jetting is required, the connecting tube three 18 is rotated to connect the through hole 19 with the air hole, and the high-pressure gas in the connecting tube three 18 is ejected from the nozzle 24 through the through hole 19 and the air hole. When jetting is not required, the connecting tube three 18 is rotated to block the air hole with the wall of the connecting tube three 18, that is, the through hole 19 is not connected with the air hole, thereby preventing smoke from entering the tube cavity of the connecting tube three 18.

[0034] An arc-shaped opening 20 is provided on one side of the jet pipe 13 close to the connecting pipe 2 12 , and a limit block 21 is fixedly connected to the position of the connecting pipe 3 18 corresponding to the arc-shaped opening 20 . The limit block 21 passes through the arc-shaped opening 20 and slides in the arc-shaped opening 20 . When the connecting pipe 3 18 rotates, the rotation range of the connecting pipe 3 18 is limited by the limit block 21 .

[0035] A fixing plate 22 is fixedly connected to one side of the jet pipe 13 close to the connecting pipe 2 12 , and an electric telescopic rod 23 is hinged on the fixing plate 22 . The telescopic end of the electric telescopic rod 23 is hinged to the limit block 21 . The rotation of the connecting pipe 3 18 is controlled by the extension and contraction of the electric telescopic rod 23 , thereby controlling the opening and closing of the nozzle 24 of the connecting pipe 3 18 .

[0036] In this embodiment, when the filter bag 3 needs to be cleaned, the high-pressure air pump is started, and the high-pressure air pump passes the high-pressure gas through the hose, the intake manifold 9, and the connecting pipe 1 10 into the intake pipe 8, and then enters the tube cavity of the connecting pipe 3 18 through the connecting pipe 2 12.

[0037] At the same time, the drive motor 16 is started, and the drive motor 16 rotates the air jet pipe 13 and the connecting pipe 3 18 connected to the air jet pipe 13 through gear transmission, controls the electric telescopic rod 23 to extend, and connects the through hole 19 on the connecting pipe 3 18 with the air hole on the air jet pipe 13. The high-pressure gas in the connecting pipe 3 18 is ejected through the nozzle 24 to spray the filter bag 3, thereby blowing away the dust on the filter bag 3.

[0038] The hydraulic telescopic cylinder 7 is extended to control the air intake assembly and the jet assembly 11 to move upward, so that the nozzle 24 on the jet assembly 11 rises while jetting, blowing away the dust at different heights of the filter bag 3, so that the jet assembly 11 can completely clean the filter bag 3 by blowing away the dust.

[0039] After the cleaning is completed, the high-pressure air pump is turned off, the hydraulic telescopic cylinder 7 is retracted, and the air intake assembly is reset. At the same time, the drive motor 16 is turned off to stop the rotation of the injection pipe 13 and the connecting pipe 3 18. The electric telescopic rod 23 is controlled to retract and the connecting pipe 3 18 is rotated so that the wall of the connecting pipe 3 18 blocks the air holes on the injection pipe 13 to prevent smoke from entering the lumen of the connecting pipe 3 18.

[0040] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only used to facilitate the description of the present invention, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0041] Finally, it should be pointed out that the above embodiments are intended only to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art will appreciate that modifications may be made to the technical solutions described in the above embodiments, or that some of the technical features may be replaced with equivalents. Such modifications or replacements do not deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A dust blowing device for a dust collector bag, comprising a mounting plate (2), characterized in that: The mounting plate (2) is mounted in the inner cavity of the dust collector (1), and a plurality of groups of filter bags (3) are arranged in an array on the mounting plate (2). An air intake assembly is arranged above the mounting plate (2), and the air intake assembly includes a liftable bracket (6). An air intake pipe (8) is arranged on the upper side of the bracket (6) corresponding to each row of filter bags (3), and each group of the air intake pipes (8) is connected to an air jet assembly (11) corresponding to the filter bags (3) on the row.

2. A dust collector bag soot blowing device according to claim 1, characterized in that: The jet assembly (11) includes a second connecting pipe (12), one end of which is connected to the air inlet pipe (8), and an end of the second connecting pipe (12) away from the air inlet pipe (8) is rotatably and sealably connected to a jet pipe (13), a plurality of groups of nozzles (24) are fixedly connected to the jet pipe (13), and air holes are opened in the jet pipe (13) corresponding to the nozzles (24).

3. A dust blowing device for a dust collector bag according to claim 2, characterized in that: The inner cavity of the jet tube (13) is provided with a rotatable connecting tube three (18), the outer circumferential surface of the connecting tube three (18) is in contact with the inner circumferential surface of the jet tube (13), and a through hole (19) is provided on the connecting tube three (18) corresponding to the air hole of the jet tube (13) communicating with the nozzle (24).

4. A dust blowing device for a dust collector bag according to claim 1, characterized in that: An intake manifold (9) is provided above one end of the intake pipe (8) relative to the intake pipe (8), and each group of the intake pipes (8) is connected to a connecting pipe (10), the other end of the connecting pipe (10) is connected to the intake manifold (9), one end of the intake manifold (9) is closed, and the other end of the intake manifold (9) is connected to a hose, and the hose passes through the dust collector (1) and is connected to a high-pressure air pump.

5. The dust blowing device for a dust collector bag according to claim 3, characterized in that: An arc-shaped opening (20) is provided on one side of the jet pipe (13) close to the second connecting pipe (12); a limit block (21) is fixedly connected to the position of the third connecting pipe (18) corresponding to the arc-shaped opening (20); a fixed plate (22) is fixedly connected to one side of the jet pipe (13) close to the second connecting pipe (12); an electric telescopic rod (23) is hingedly connected to the fixed plate (22); and a telescopic end of the electric telescopic rod (23) is hingedly connected to the limit block (21).

6. The dust blowing device for a dust collector bag according to claim 1, characterized in that: Hydraulic telescopic cylinders (7) are provided at the four corners of the bracket (6), the fixed ends of the hydraulic telescopic cylinders (7) are fixedly connected to the upper side of the mounting plate (2), and the telescopic ends of the hydraulic telescopic cylinders (7) are connected to the bracket (6).

7. The dust blowing device for a dust collector bag according to claim 1, characterized in that: The upper side of the dust collector (1) is connected to an air intake pipe (4), the lower side of the dust collector (1) is connected to a smoke inlet pipe (5), and the mounting plate (2) is located between the air intake pipe (4) and the smoke inlet pipe (5).

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