Pre-spraying device of pulse dust collector

Abstract

The utility model relates to the technical field of dust removal equipment, and discloses a pre-spraying device of a pulse dust remover, which comprises a material box used for accommodating material powder; the top surface of the push plate is used for placing powder, the push plate is in sliding fit in the material box, the push plate is rotationally connected with a rotating cylinder, the top surface of the rotating cylinder is closed and is fixedly connected with a stirring rod, the fixed column is fixedly connected to the inner bottom surface of the material box, a spiral sliding groove is formed in the fixed column, a sliding block is in sliding fit in the spiral sliding groove, and the sliding block is fixedly connected with the inner side wall of the rotating cylinder; a connecting plate is rotationally matched with the side wall of the rotating barrel and fixedly connected with the output end of a cylinder, and the input end of the cylinder is fixedly connected with the inner bottom surface of the material box; the air bag communicates with a pulse air pump, the pulse air pump communicates with a blowing pipe, and the end, away from the pulse air pump, of the blowing pipe extends into the material box and is located above the push plate; according to the powder spraying device, the distance between materials and the spraying pipe can be kept, and the caking phenomenon of powder can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of dust removal equipment, in particular to a pulse dust collector pre-spraying device. Background Art

[0002] The pulse dust collector pre-spraying device uses an external air source to transport the powder in pulses and diffuse the powder into the oily, sticky, spark-containing flue gas. After the powder is mixed into the dust removal system, a ash layer is covered on the filter material surface of the dust collector to prevent the oil or water in the gas from clogging the filter material.

[0003] The powder inside the existing pulse dust collector pre-spraying device is accumulated inside the silo, and as the device is used, the level of the powder becomes lower and lower, the pulse airflow cannot effectively blow up the powder, and the powder is easy to clump when placed, affecting the powder spraying effect. Utility Model Content

[0004] The utility model aims to provide a pulse dust collector pre-spraying device, aiming to solve or improve at least one of the above-mentioned technical problems.

[0005] To achieve the above purpose, the utility model provides the following solution: The utility model provides a pulse dust collector pre-spraying device, comprising:

[0006] A material box, used to contain material powder, wherein a box cover is movably connected to the top of the material box;

[0007] A push plate, the top surface of which is used for placing powder, the push plate is slidably fitted in the material box, the push plate is rotatably connected to a rotating cylinder, the top surface of the rotating cylinder is closed and fixedly connected to a stirring rod, the stirring rod is located above the push plate, a fixed column is arranged in the rotating cylinder, the fixed column is fixedly connected to the bottom surface of the material box, a spiral slide groove is provided on the fixed column, a slider is slidably fitted in the spiral slide groove, the slider is fixedly connected to the inner side wall of the rotating cylinder, the side wall of the rotating cylinder is rotatably fitted with a connecting plate, the connecting plate is fixedly connected to the output end of the cylinder, and the input end of the cylinder is fixedly connected to the bottom surface of the material box;

[0008] An air bag, used to be connected to an air source, the air bag is connected to a pulse air pump, the pulse air pump is connected to a blow pipe, one end of the blow pipe away from the pulse air pump extends into the material box and is located above the push plate;

[0009] A spray pipe is used to communicate with the dust collector, wherein the spray pipe is fixedly connected to the side wall of the material box and communicated with the inner cavity of the material box.

[0010] Optionally, a first through hole is formed on the push plate, the rotating cylinder is arranged in the first through hole, a first annular groove is formed on the inner wall of the first through hole, a first clamping ring is rotatably fitted in the first annular groove, and the first clamping ring is fixedly connected to the outer wall of the rotating cylinder.

[0011] Optionally, a first sealing ring is circumferentially fixedly connected to the top opening of the first through hole, and an inner ring of the first sealing ring is in contact with the outer side wall of the rotating cylinder.

[0012] Optionally, a second sealing ring is fixedly connected to the side wall of the push plate in the circumferential direction, and an outer ring of the second sealing ring is in contact with the inner wall of the material box.

[0013] Optionally, a second through hole is provided on the connecting plate, the rotating cylinder is arranged in the second through hole, a second annular groove is provided on the inner wall of the second through hole, a second retaining ring is rotatably engaged in the second annular groove, and the second retaining ring is fixedly connected to the outer wall of the rotating cylinder.

[0014] Optionally, an observation window is provided on the side wall of the material box.

[0015] Optionally, the material box and the box cover are snap-connected via a plurality of groups of snap-fit ​​blocks.

[0016] Optionally, a plurality of supporting legs are fixedly connected to the outer bottom surface of the material box.

[0017] The utility model discloses the following technical effects:

[0018] The powder on the top of the push plate is blown up by the air bag, pulse air pump and spray pipe, and transported to the filter material of the dust collector by the spray pipe. During use, the connecting plate is pushed up by the cylinder, and the connecting plate drives the rotating cylinder and the push plate to move up along the fixed column synchronously, pushing the material on the top of the push plate and maintaining the distance between the material and the spray pipe;

[0019] The spiral slide groove and the guide of the slider make the rotating drum rotate along the connecting plate and the push plate when moving upward, thereby driving the stirring rod on the top surface of the rotating drum to rotate synchronously. The stirring rod stirs and breaks the powder to reduce the agglomeration of the powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the internal structure of the material box of the utility model;

[0023] Figure 3 It is a cross-sectional view of the push plate, the rotating cylinder and the connecting plate of the utility model;

[0024] Figure 4 This is a disassembled diagram of the rotating cylinder and the fixed column of the utility model.

[0025] In the figure: 1. material box; 2. box cover; 3. push plate; 4. rotating cylinder; 5. stirring rod; 6. fixed column; 7. spiral slide; 8. slider; 9. connecting plate; 10. cylinder; 11. air bag; 12. pulse air pump; 13. blowing pipe; 14. spraying pipe; 15. first through hole; 16. first annular groove; 17. first retaining ring; 18. first sealing ring; 19. second sealing ring; 20. second through hole; 21. second annular groove; 22. second retaining ring; 23. observation window; 24. buckle block; 25. supporting leg. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0028] Reference Figure 1-Figure 4 The utility model provides a pulse dust collector pre-spraying device, comprising:

[0029] A material box 1 is used to contain material powder, and a box cover 2 is movably connected to the top of the material box 1;

[0030] A push plate 3, the top surface of which is used for placing powder, is slidably fitted in the material box 1, and is rotatably connected to a rotating cylinder 4 on the push plate 3, and the top surface of the rotating cylinder 4 is closed and fixedly connected to a stirring rod 5, which is located above the push plate 3, and a fixed column 6 is arranged in the rotating cylinder 4, and the fixed column 6 is fixedly connected to the inner bottom surface of the material box 1, and a spiral chute 7 is provided on the fixed column 6, and a slider 8 is slidably fitted in the spiral chute 7, and the slider 8 is fixedly connected to the inner side wall of the rotating cylinder 4, and a connecting plate 9 is rotatably fitted on the side wall of the rotating cylinder 4, and the connecting plate 9 is fixedly connected to the output end of the cylinder 10, and the input end of the cylinder 10 is fixedly connected to the inner bottom surface of the material box 1;

[0031] The air bag 11 is used to connect to the air source. The air bag 11 is connected to a pulse air pump 12. The pulse air pump 12 is connected to a blow pipe 13. One end of the blow pipe 13 away from the pulse air pump 12 extends into the material box 1 and is located above the push plate 3.

[0032] The spray pipe 14 is used to communicate with the dust collector. The spray pipe 14 is fixedly connected to the side wall of the material box 1 and communicated with the inner cavity of the material box 1.

[0033] The powder on the top of the push plate 3 is blown up by the air bag 11, the pulse air pump 12 and the spray pipe 13, and transported to the filter material of the dust collector by the spray pipe 14. During use, the cylinder 10 pushes the connecting plate 9 upward, and the connecting plate 9 drives the rotating cylinder 4 and the push plate 3 to move upward along the fixed column 6 synchronously, pushing the material on the top of the push plate 3 and maintaining the distance between the material and the spray pipe 13;

[0034] Due to the guiding cooperation between the spiral slide groove 7 and the slider 8, the rotating cylinder 4 rotates along the connecting plate 9 and the push plate 3 when moving upward, thereby driving the stirring rod 5 on the top surface of the rotating cylinder 4 to rotate synchronously, and the stirring rod 5 stirs and breaks the powder to reduce the agglomeration of the powder.

[0035] Furthermore, the connecting plate 9 and the cylinder 10 are both located below the push plate 3 .

[0036] To further optimize the solution, a first through hole 15 is provided on the push plate 3, the rotating cylinder 4 is arranged in series in the first through hole 15, a first annular groove 16 is provided on the inner wall of the first through hole 15, a first retaining ring 17 is rotatably fitted in the first annular groove 16, and the first retaining ring 17 is fixedly connected to the outer wall of the rotating cylinder 4.

[0037] Through the cooperation between the first clamping ring 17 and the first annular groove 16 , the rotating cylinder 4 can maintain a rotating state and at the same time can drive the push plate 3 to move upward synchronously.

[0038] According to a further optimized solution, a first sealing ring 18 is fixedly connected to the top of the first through hole 15 in the circumferential direction, and the inner ring of the first sealing ring 18 is in contact with the outer wall of the rotating cylinder 4 .

[0039] The first sealing ring 18 is provided to improve the sealing effect, thereby preventing the powder from blocking the gap between the first through hole 15 and the rotating cylinder 4.

[0040] According to a further optimized solution, a second sealing ring 19 is fixedly connected to the side wall of the push plate 3 in the circumferential direction, and the outer ring of the second sealing ring 19 is in contact with the inner wall of the material box 1 .

[0041] The second sealing ring 19 is provided to improve the sealing effect and prevent the powder from blocking the gap between the push plate 3 and the material box 1.

[0042] A further optimized solution is that a second through hole 20 is opened on the connecting plate 9, the rotating cylinder 4 is arranged in series in the second through hole 20, a second annular groove 21 is opened on the inner wall of the second through hole 20, a second retaining ring 22 is rotatably engaged in the second annular groove 21, and the second retaining ring 22 is fixedly connected to the outer wall of the rotating cylinder 4.

[0043] Through the cooperation between the second clamping ring 22 and the second annular groove 21 , the rotating cylinder 4 can maintain a rotating state when the connecting plate 9 moves upward, and at the same time can drive the rotating cylinder 4 to move upward synchronously.

[0044] As a further optimization solution, an observation window 23 is provided on the side wall of the material box 1 to facilitate observation of the state of the material in the material box 1 .

[0045] According to a further optimized solution, the material box 1 and the box cover 2 are connected by a plurality of groups of snap-fit ​​blocks 24 .

[0046] According to a further optimized solution, a plurality of supporting legs 25 are fixedly connected to the outer bottom surface of the material box 1 .

[0047] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0048] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A pulse dust collector pre-spraying device, characterized in that: include: A material box (1) is used to contain material powder, and a box cover (2) is movably connected to the top of the material box (1); A push plate (3), the top surface of which is used for placing powder, the push plate (3) is slidably fitted in the material box (1), the push plate (3) is rotatably connected to a rotating cylinder (4), the top surface of the rotating cylinder (4) is closed and fixedly connected to a stirring rod (5), the stirring rod (5) is located above the push plate (3), a fixed column (6) is arranged in the rotating cylinder (4), the fixed column (6) is fixedly connected to the inner bottom surface of the material box (1), a spiral groove (7) is provided on the fixed column (6), a slider (8) is slidably fitted in the spiral groove (7), the slider (8) is fixedly connected to the inner side wall of the rotating cylinder (4), the side wall of the rotating cylinder (4) is rotatably fitted with a connecting plate (9), the connecting plate (9) is fixedly connected to the output end of a cylinder (10), and the input end of the cylinder (10) is fixedly connected to the inner bottom surface of the material box (1); An air bag (11) is used to be connected to an air source, the air bag (11) is connected to a pulse air pump (12), the pulse air pump (12) is connected to a blow pipe (13), and one end of the blow pipe (13) away from the pulse air pump (12) extends into the material box (1) and is located above the push plate (3); A spray pipe (14) is used for communicating with the dust collector; the spray pipe (14) is fixedly connected to the side wall of the material box (1) and is communicated with the inner cavity of the material box (1).

2. A pulse dust collector pre-spraying device according to claim 1, characterized in that: The push plate (3) is provided with a first through hole (15), the rotating cylinder (4) is arranged in series in the first through hole (15), the inner wall of the first through hole (15) is provided with a first annular groove (16), a first snap ring (17) is rotatably fitted in the first annular groove (16), and the first snap ring (17) is fixedly connected to the outer wall of the rotating cylinder (4).

3. A pulse dust collector pre-spraying device according to claim 2, characterized in that: A first sealing ring (18) is fixedly connected to the top of the first through hole (15) in the circumferential direction, and the inner ring of the first sealing ring (18) is in contact with the outer wall of the rotating cylinder (4).

4. The pulse dust collector pre-spraying device according to claim 1, characterized in that: A second sealing ring (19) is fixedly connected to the side wall of the push plate (3) in the circumferential direction, and the outer ring of the second sealing ring (19) is in contact with the inner wall of the material box (1).

5. The pulse dust collector pre-spraying device according to claim 1, characterized in that: The connecting plate (9) is provided with a second through hole (20), the rotating cylinder (4) is arranged in series in the second through hole (20), the inner wall of the second through hole (20) is provided with a second annular groove (21), a second snap ring (22) is rotatably engaged in the second annular groove (21), and the second snap ring (22) is fixedly connected to the outer wall of the rotating cylinder (4).

6. The pulse dust collector pre-spraying device according to claim 1, characterized in that: The side wall of the material box (1) is provided with an observation window (23).

7. The pulse dust collector pre-spraying device according to claim 1, characterized in that: The material box (1) and the box cover (2) are snap-fitted and connected via a plurality of groups of snap-fit ​​blocks (24).

8. The pulse dust collector pre-spraying device according to claim 1, characterized in that: A plurality of supporting legs (25) are fixedly connected to the outer bottom surface of the material box (1).

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