Air duct spraying dust removal device and dust removal method thereof

Abstract

The invention discloses an air duct spraying dust removal device and a dust removal method thereof. A water conveying pipe arranged in parallel along an air duct is fixed above the air duct through a positioning frame, and a plurality of spraying nozzles facing the outer wall of the air duct are arranged on the water conveying pipe; a guide rail parallel to the air cylinder is further fixed above the air cylinder, a moving seat moving along the guide rail is arranged on the guide rail, an elastic connecting rod is arranged at the bottom of the moving seat, and a semi-annular ferrule used for being arranged on the outer side of the air cylinder in a sleeving mode is connected to the telescopic end of the elastic connecting rod. Inward arc-shaped plates for clamping the air duct are hinged to the two ends of the moving block, and cleaning brush plates for cleaning the outer wall of the air duct are arranged on the surfaces of the arc-shaped plates and the surface of the moving block. Spraying dust removal is carried out on the outer wall of the air duct, manual dust removal is not needed, labor force is effectively reduced, and the beneficial effects of being good in dust removal effect and easy to operate are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of environmental protection equipment, in particular to a wind tube spray dust removal device and a dust removal method thereof. Background Art

[0002] The wind duct refers to a wind guide device for local ventilation, which is often used in coal mining and other fields. Depending on the manufacturing materials, there are flexible wind ducts such as canvas, artificial leather, plastic and rubber, and metal wind ducts made of iron sheets and aluminum plates. The flexible wind duct is light in weight, and the connection and suspension are simple, but the ventilation resistance is large; the metal wind duct has small ventilation resistance, but occupies a large cross-sectional area of ​​the shaft. Wind ducts are used in many fields. For example, wind ducts are often used for wind transportation in mines; since a large amount of dust will be generated during underground operations in mines, the dust will fall on the wind duct to accumulate dust, affecting the overall environment of the working surface. When workers work in the tunnel, and when replacing and repairing the wind duct, it is very easy to raise dust, which greatly affects the health of the workers, so it is necessary to arrange personnel to flush it every day, which increases the workload of the workers and affects the work efficiency. Therefore, we made improvements to this and designed a wind duct spray dust removal device for the mailbox. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0004] The present invention discloses a duct spray dust removal device, wherein a water pipe arranged parallel to the duct is fixed above the duct via a positioning frame, and a plurality of spray nozzles facing the outer wall of the duct are arranged on the water pipe; a guide rail arranged parallel to the duct is also fixed above the duct, a moving seat moving along the guide rail is arranged on the guide rail, an elastic connecting rod is arranged at the bottom of the moving seat, a semi-annular collar for sleeved on the outer side of the duct is connected to the telescopic end of the elastic connecting rod, a limiting slide groove is arranged on the inner side wall of the semi-annular collar, a moving block sliding along the limiting slide groove is arranged in the limiting slide groove, arc plates facing inward and clamping the duct are hinged at both ends of the moving block, and cleaning brush plates for cleaning the outer wall of the duct are arranged on the surface of the arc plate and the surface of the moving block.

[0005] As a preferred technical solution of the present invention, an arc-shaped rack is provided on the side wall of the moving block, a transmission gear meshing with the arc-shaped rack is provided on the semi-annular ring, and a driving mechanism for driving the transmission gear to reciprocate is also provided on the semi-annular ring. The driving mechanism includes a driving motor arranged on the semi-annular ring, a positioning block is provided on the semi-annular ring, a limiting groove is provided on the positioning block, a rack plate sliding along the limiting groove and meshing with the transmission gear is provided in the limiting groove, a rotating disk is provided on the output shaft of the driving motor, an eccentric connecting rod eccentrically arranged is hinged on the rotating disk, and the outer end of the eccentric connecting rod is hinged to the rack plate.

[0006] As a preferred technical solution of the present invention, the guide rail is provided with a spur rack arranged along the guide rail, the moving seat is provided with a traveling gear meshing with the spur rack, and the moving seat is also provided with a reduction motor driving the traveling gear to rotate.

[0007] As a preferred technical solution of the present invention, a slot for a bracket for fixing the air duct is formed between the arc plates, and a closing plate for closing the slot is hinged at the end of the arc plate, and an elastic reset mechanism is provided between the closing plate and the arc plate.

[0008] As a preferred technical solution of the present invention, the elastic reset mechanism includes a first connecting rod hinged on the outer wall of the closing plate, and a second connecting rod hinged on the arc plate, the ends of the first connecting rod and the second connecting rod are hinged, and a reset spring is arranged between the hinge of the first connecting rod and the second connecting rod and the arc plate.

[0009] As a preferred technical solution of the present invention, the cleaning brush plate comprises a brush plate body, a compression spring is provided between the brush plate body, the arc plate and the moving block, and a plush layer is provided on the surface of the brush plate body.

[0010] As a preferred technical solution of the present invention, a delivery pump is provided at the water inlet end of the water delivery pipe, and the delivery pump works at a fixed time.

[0011] As a preferred technical solution of the present invention, a plurality of solenoid valves are installed on the water pipe at set intervals, and a position sensor for detecting the position of a semi-annular ring is provided on the side of each solenoid valve. A controller is also included, and the position sensor, solenoid valve and delivery pump are all electrically connected to the controller.

[0012] As a preferred technical solution of the present invention, a tension spring is provided between the arc plate and the moving block.

[0013] A dust removal method for a fan spray dust removal device, during dust removal, firstly uses a spray nozzle on a water pipe to spray water on the outer wall of the fan to remove dust, and at the same time plays a role in wetting, then the moving seat moves along the guide rail to drive the semi-annular collar sleeved on the outer side of the fan to move forward along the fan, during the movement, the driving motor drives the rotating disk to rotate, and drives the rack plate to reciprocate through the eccentric connecting rod, then the reciprocating rack plate drives the transmission gear to reciprocate, and the reciprocating transmission gear drives the movable block to reciprocate along the semi-annular collar through the arc-shaped rack, then the cleaning brush arranged on the surface of the arc-shaped plate and the surface of the moving block The plate brushes the outer wall of the air duct, wherein the cleaning brush plate is in close contact with the outer wall of the air duct under the action of the compression spring; when it moves to touch the bracket that fixes the air duct, the closing plate flips to open the slot to allow the bracket to pass through, and then under the action of the reset spring, the closing plate resets to close the slot and continue cleaning and dust removal. A plurality of solenoid valves are installed at the set intervals for the installation of the water pipe, and a position sensor for detecting the position of a semi-annular ring is provided on the side of each of the solenoid valves. When the corresponding position sensor detects the semi-annular ring, the solenoid valve in the area is controlled to work, so that spray dust removal is carried out in the area, thereby saving water.

[0014] The beneficial effects of the present invention are:

[0015] The wind tube spray dust removal device and the dust removal method thereof spray dust on the outer wall of the wind tube without manual dust removal, effectively reducing labor and having the characteristics of good dust removal effect and easy operation. When removing dust, the spray nozzle on the water pipe is first used to disperse water on the outer wall of the wind tube to remove dust, and at the same time plays a role in wetting. Then the moving seat moves along the guide rail to drive the semi-annular collar sleeved on the outer side of the wind tube to move forward along the wind tube. During the movement, the driving motor drives the rotating disk to rotate, and drives the rack plate to reciprocate through the eccentric connecting rod. The reciprocating rack plate drives the transmission gear to reciprocate, and the reciprocating transmission gear drives the movable block to reciprocate along the semi-annular collar through the arc-shaped rack. , the outer wall of the wind duct is scrubbed by a cleaning brush plate arranged on the surface of the arc plate and the surface of the moving block, wherein the cleaning brush plate is in close contact with the outer wall of the wind duct under the action of the compression spring; when it moves to touch the bracket that fixes the wind duct, the closing plate flips to open the slot to allow the bracket to pass through, and then under the action of the reset spring, the closing plate resets to close the slot and continue cleaning and dust removal work. A plurality of solenoid valves are installed at the set intervals for the installation of the water pipe, and a position sensor for detecting the position of a semi-annular ring is provided on the side of each of the solenoid valves. When the corresponding position sensor detects the semi-annular ring, the solenoid valve in the area is controlled to work, so that spray dust removal work is performed in the area, thereby saving water. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] 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:

[0017] Figure 1 It is a structural schematic diagram of the air duct spray dust removal device of the present invention;

[0018] Figure 2 It is a schematic diagram of the structure of the moving seat of the air duct spray dust removal device of the present invention;

[0019] Figure 3 It is a structural schematic diagram of a semi-annular collar of a duct spray dust removal device of the present invention;

[0020] Figure 4 It is a schematic diagram of the installation of the transmission gear of the air duct spray dust removal device of the present invention;

[0021] Figure 5 It is a schematic diagram of the structure of the tension spring of the air duct spray dust removal device of the present invention;

[0022] Figure 6 It is a structural schematic diagram of a closing plate of a duct spray dust removal device of the present invention;

[0023] Figure 7 It is a structural schematic diagram of the notch of the air duct spray dust removal device of the present invention;

[0024] Figure 8 It is a schematic diagram of the structure of the guide rail of the air duct spray dust removal device of the present invention;

[0025] Fig. 9 It is a structural schematic diagram of the limiting groove of the air duct spray dust removal device of the present invention.

[0026] In the figure: 1. air duct; 2. water pipe; 3. spray nozzle; 4. guide rail; 5. moving seat; 6. elastic connecting rod; 7. semi-annular ring; 8. limiting slide groove; 9. moving block; 10. arc plate; 11. cleaning brush plate; 12. arc rack; 13. transmission gear; 14. driving motor; 15. positioning block; 16. limiting groove; 17. rack plate; 18. rotating disk; 19. eccentric connecting rod; 20. spur rack; 21. walking gear; 22. reduction motor; 23. notch; 24. closing plate; 25. first connecting rod; 26. second connecting rod; 27. reset spring; 28. brush plate body; 29. ​​compression spring; 30. plush layer; 31. solenoid valve; 32. position sensor; 33. controller; 34. tension spring; 36. delivery pump. DETAILED DESCRIPTION

[0027] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0028] Example: Figure 1-9 As shown, the wind duct spray dust removal device of the present invention is suitable for the fields of coal mining, iron ore mining, tunnel excavation, etc., including a wind duct 1 arranged in a mine, characterized in that: a water pipe 2 arranged parallel to the wind duct is fixed above the wind duct 1 through a positioning frame, and a plurality of spray nozzles 3 facing the outer wall of the wind duct 1 are arranged on the water pipe 2; a guide rail 4 arranged parallel to the wind duct 1 is also fixed above the wind duct 1, a moving seat 5 moving along the guide rail 4 is provided on the guide rail 4, an elastic connecting rod 6 is provided at the bottom of the moving seat 5, a semi-annular collar 7 for sleeved on the outer side of the wind duct 1 is connected to the telescopic end of the elastic connecting rod 6, and a limiting slide groove 8 is provided on the inner side wall of the semi-annular collar 7, and a limiting slide groove 8 is provided inside the limiting slide groove 8. The moving block 9 slides in the slide groove 8, and the two ends of the moving block 9 are hinged with an inwardly facing arc plate 10 that clamps the wind tube 1. The surface of the arc plate 10 and the surface of the moving block 9 are provided with a cleaning brush plate 11 for cleaning the outer wall of the wind tube 1. When removing dust, the spray nozzle 3 on the water pipe 2 is first used to disperse water and remove dust on the outer wall of the wind tube 1, and at the same time plays a role in wetting. Then the moving seat 5 moves along the guide rail 4 to drive the semi-annular ring 7 on the outside of the wind tube 1 to move forward along the wind tube 1, and the cleaning brush plate 11 on the surface of the arc plate 10 and the surface of the moving block 9 is used to clean the outer wall of the wind tube 1, thereby playing a role of brushing, improving the dust removal effect, and making it difficult for dust to be adsorbed on the outer wall of the wind tube.

[0029] An arc-shaped rack 12 is provided on the side wall of the motion block 9, a transmission gear 13 meshing with the arc-shaped rack 12 is provided on the semi-annular collar 7, and a driving mechanism for driving the transmission gear 13 to reciprocate is also provided on the semi-annular collar 7, and the driving mechanism includes a driving motor 14 arranged on the semi-annular collar 7, a positioning block 15 is provided on the semi-annular collar 7, a limiting groove 16 is provided on the positioning block 15, a rack plate 17 sliding in the limiting groove 16 and meshing with the transmission gear 13 is provided in the limiting groove 16, a rotating disk 18 is provided on the output shaft of the driving motor 14, an eccentric connecting rod 19 eccentrically arranged is hinged on the rotating disk 18, and the outer end of the eccentric connecting rod 19 is hinged to the rack plate 17, so that the motion block 9 and the arc plate 10 reciprocate and dynamically scrub the surface of the wind tube, thereby having a better scrubbing and dust removal effect.

[0030] The guide rail 4 is provided with a spur rack 20 arranged along the guide rail 4, the moving seat 5 is provided with a travel gear 21 meshing with the spur rack 20, and the moving seat 5 is also provided with a reduction motor 22 driving the travel gear 21 to rotate, so as to facilitate moving forward in a predetermined direction and have the characteristics of stable movement.

[0031] A slot 23 for a bracket for fixing the air duct 1 is formed between the arc plates 10 , and a closing plate 24 for closing the slot 23 is hinged at the end of the arc plate 10 , and an elastic reset mechanism is provided between the closing plate 24 and the arc plate 10 .

[0032] The elastic reset mechanism includes a first connecting rod 25 hinged on the outer wall of the closing plate 24, and a second connecting rod 26 hinged on the arc plate 10. The ends of the first connecting rod 25 and the second connecting rod 26 are hinged, and a reset spring 27 is arranged between the hinge of the first connecting rod 25 and the second connecting rod 26 and the arc plate 10. When it moves to touch the bracket fixing the air duct 1, the closing plate 24 flips to open the slot 23 to allow the bracket to pass through, and then under the action of the reset spring 27, the closing plate 24 resets to close the slot 23, and the cleaning and dust removal work continues, so that a cylinder located outside the air duct is formed, thereby eliminating the cleaning dead corner.

[0033] The cleaning brush plate 11 includes a brush plate body 28, and a compression spring 29 is provided between the brush plate body 28, the arc plate 10, and the moving block 9. A plush layer 30 is provided on the surface of the brush plate body 28, so that the brush plate body 28 is in close contact with the outer wall of the wind tube, thereby having a better cleaning effect.

[0034] The water inlet end of the water delivery pipe 2 is provided with a delivery pump 36, and the delivery pump works at a fixed time.

[0035] A plurality of solenoid valves 31 are installed on the water delivery pipe 2 at set intervals. A position sensor 32 for detecting the position of the semi-annular ring 7 is provided on the side of each solenoid valve 31. The water delivery pipe 2 also includes a controller 33. The position sensor 32, the solenoid valve 31 and the delivery pump 36 are all electrically connected to the controller 33. When the corresponding position sensor detects the semi-annular ring, the solenoid valve in the area is controlled to work, so that the area can be sprayed and dust removed, thereby saving water.

[0036] A tension spring 34 is provided between the arc plate 10 and the moving block 9 .

[0037] Working principle: When removing dust, first use the spray nozzle 3 on the water pipe 2 to disperse water and remove dust on the outer wall of the wind tube 1, and at the same time play a role in wetting. Then the moving seat 5 moves along the guide rail 4 to drive the semi-annular collar 7 on the outer side of the wind tube 1 to move forward along the wind tube 1. During the movement, the driving motor 14 drives the rotating disk 18 to rotate, and drives the rack plate 17 to reciprocate through the eccentric connecting rod 19. The reciprocating rack plate 17 drives the transmission gear 13 to reciprocate. The reciprocating transmission gear 13 drives the movable block to reciprocate along the semi-annular collar 7 through the arc rack 12. The cleaning brush plate 11 set on the surface of the arc plate 10 and the surface of the moving block 9 The outer wall of the air duct 1 is scrubbed, wherein the cleaning brush plate 11 is in close contact with the outer wall of the air duct 1 under the action of the compression spring 29; when it moves to touch the bracket fixing the air duct 1, the closing plate 24 flips to open the slot 23, allowing the bracket to pass through, and then under the action of the reset spring 27, the closing plate 24 resets to close the slot 23, and the cleaning and dust removal work continues. A plurality of solenoid valves 31 are installed at set intervals on the water pipe 2, and a position sensor for detecting the position of the semi-annular ring 7 is provided on the side of each of the solenoid valves. When the corresponding position sensor detects the semi-annular ring 7, the solenoid valve 31 in the area is controlled to work, so as to realize spray dust removal in the area, thereby saving water.

[0038] Finally, it should be noted that the above are only preferred embodiments 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 aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A wind tube spray dust removal device, comprising a wind tube (1) arranged in a mine, characterized in that: A water pipe (2) arranged parallel to the wind tube (1) is fixed above the wind tube (1) via a positioning frame, and a plurality of spray nozzles (3) facing the outer wall of the wind tube (1) are arranged on the water pipe (2); a guide rail (4) arranged parallel to the wind tube (1) is also fixed above the wind tube (1), and a moving seat (5) moving along the guide rail (4) is provided on the guide rail (4), and an elastic connecting rod (6) is provided at the bottom of the moving seat (5), and a telescopic end of the elastic connecting rod (6) is connected to the elastic connecting rod (6). A semi-annular collar (7) is provided for being sleeved on the outside of a wind tube (1), the inner side wall of the semi-annular collar (7) is provided with a limit slide groove (8), a moving block (9) is provided in the limit slide groove (8) and slides along the limit slide groove (8), both ends of the moving block (9) are hinged with an inwardly directed arc plate (10) for clamping the wind tube (1), and a cleaning brush plate (11) for cleaning the outer wall of the wind tube (1) is provided on the surface of the arc plate (10) and the surface of the moving block (9).

2. The air duct spray dust removal device according to claim 1, characterized in that: An arc-shaped rack (12) is provided on the side wall of the moving block (9), a transmission gear (13) meshing with the arc-shaped rack (12) is provided on the semi-annular collar (7), and a driving mechanism for driving the transmission gear (13) to reciprocate is also provided on the semi-annular collar (7), the driving mechanism comprising a driving motor (14) arranged on the semi-annular collar (7), a positioning block (15) provided on the semi-annular collar (7), a limiting groove (16) provided on the positioning block (15), a rack plate (17) sliding along the limiting groove (16) and meshing with the transmission gear (13) is provided in the limiting groove (16), a rotating disk (18) is provided on the output shaft of the driving motor (14), an eccentric connecting rod (19) eccentrically arranged is hingedly connected to the rotating disk (18), and the outer end of the eccentric connecting rod (19) is hingedly connected to the rack plate (17).

3. The air duct spray dust removal device according to claim 1, characterized in that: The guide rail (4) is provided with a spur rack (20) arranged along the guide rail (4), the moving seat (5) is provided with a travel gear (21) meshing with the spur rack (20), and the moving seat (5) is also provided with a reduction motor (22) for driving the travel gear (21) to rotate.

4. The air duct spray dust removal device according to claim 1, characterized in that: A slot (23) for a bracket for fixing the air duct (1) is formed between the arc-shaped plates (10), and a closing plate (24) for closing the slot (23) is hingedly connected to the end of the arc-shaped plate (10), and an elastic reset mechanism is provided between the closing plate (24) and the arc-shaped plate (10).

5. The air duct spray dust removal device according to claim 1, characterized in that: The elastic reset mechanism comprises a first connecting rod (25) hinged on the outer wall of the closing plate (24), and a second connecting rod (26) hinged on the arc plate (10), the ends of the first connecting rod (25) and the second connecting rod (26) are hinged, and a reset spring (27) is arranged between the hinge between the first connecting rod (25) and the second connecting rod (26) and the arc plate (10).

6. The air duct spray dust removal device according to claim 1, characterized in that: The cleaning brush plate (11) comprises a brush plate body (28), a compression spring (29) is provided between the brush plate body (28), the arc plate (10) and the moving block (9), and a plush layer (30) is provided on the surface of the brush plate body (28).

7. The air duct spray dust removal device according to claim 1, characterized in that: A delivery pump (36) is provided at the water inlet end of the water delivery pipe (2), and the delivery pump operates at a fixed time.

8. The air duct spray dust removal device according to claim 1, characterized in that: The water delivery pipe (2) is provided with a plurality of solenoid valves (31) at set intervals, and a position sensor (32) for detecting the position of the semi-annular ring (7) is provided on the side of each solenoid valve (31). The water delivery pipe also includes a controller (33), and the position sensor (32), the solenoid valve (31) and the delivery pump (36) are all electrically connected to the controller (33).

9. The air duct spray dust removal device according to claim 1, characterized in that: A tension spring (34) is provided between the arc-shaped plate (10) and the moving block (9).

10. The dust removal method of the air duct spray dust removal device according to any one of claims 1 to 9, characterized in that: When removing dust, first use the spray nozzle on the water pipe to spray water on the outer wall of the wind tube to remove dust. Then, in the process that the moving seat moves along the guide rail and drives the semi-annular ring on the outer side of the wind tube to move forward along the wind tube, the driving motor drives the rotating disk to rotate, and drives the rack plate to reciprocate through the eccentric connecting rod. The reciprocating rack plate drives the transmission gear to reciprocate, and the reciprocating transmission gear drives the movable block to reciprocate along the semi-annular ring through the arc-shaped rack. The outer wall of the wind tube is brushed by the cleaning brush plate arranged on the surface of the arc plate and the surface of the moving block. , wherein the cleaning brush plate is in close contact with the outer wall of the wind tube under the action of the compression spring; when it moves to touch the bracket that fixes the wind tube, the closing plate flips to open the slot to allow the bracket to pass through, and then under the action of the reset spring, the closing plate resets to close the slot and continue the cleaning and dust removal work. A plurality of solenoid valves are installed at the set intervals of the water pipe installation, and a position sensor for detecting the position of the semi-annular ring is provided on the side of each of the solenoid valves. When the corresponding position sensor detects the semi-annular ring, the solenoid valve in the area is controlled to work, so as to realize the spray dust removal work in the area.

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