Mine water mist type wet dust removal system and dust removal method

Abstract

The invention discloses a mine water mist type wet dust removal system and dust removal method.The mine water mist type wet dust removal system comprises a transportation plate, a water tank and a foam box are installed on the transportation plate, the foam box and the water tank are connected with a stirring frame through a driving assembly, and a dust detector is installed on the foam box; a servo electric cylinder is installed on the conveying plate, the output end of the servo electric cylinder is connected with a supporting frame through a rotating assembly, a water discharging pipe and a foam discharging pipe are installed on the supporting frame, and the water discharging pipe and the foam discharging pipe are connected with an atomizing spray head and a foam spray head through clamping assemblies correspondingly. A first connecting assembly and a second connecting assembly are respectively arranged between the drain pipe and the foam discharge pipe and between the water tank and the foam box; water mist and foam are combined for use, the water mist can wet and suspend dust particles in the air, the foam more effectively catches and adheres the particles through the viscosity and coverage of the foam, and the atomizing spray head and the foam spray head can be rapidly replaced.

Description

Technical Field

[0001] The invention relates to the technical field of mine safety equipment, in particular to a mine water mist wet dust removal system and a dust removal method. Background Art

[0002] The working environment in mines has high dust concentration and poor air quality. Dust is a major source of hazard in mines, which not only affects the respiratory health of miners, but may also cause safety accidents such as explosions.

[0003] The water mist wet dust removal device moistens and settles the dust particles in the air, thereby reducing the harm of dust. Existing water mist dust reduction mainly moistens, condenses and settles the dust particles in the air by spraying water mist. Water mist can achieve dust reduction to a certain extent, but the effect may be limited and there are some limitations. For some fine, hydrophobic or highly sticky dust particles, the dust reduction effect of water may not be good, and the water mist nozzle is connected by threaded installation. In high-pressure or high-flow systems, the threaded connection may loosen or be damaged due to excessive force, thereby affecting the normal operation of the system. If the threads are not aligned during installation, the appropriate lubricant is not used, or the tightening force is too large, it may cause unreliable connection. Summary of the invention

[0004] The object of the present invention is to provide a mine water mist wet dust removal system and a dust removal method to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a mine water mist wet dust removal system, comprising a transport plate, a water tank and a foam box are installed on the transport plate, a stirring frame is connected to the foam box and the water tank through a driving component, a feed pipe is provided on the water tank and the foam box, and a dust detector is installed on the foam box;

[0006] A servo electric cylinder is installed on the transport plate, and the output end of the servo electric cylinder is connected to a support frame through a rotating component. A drain pipe and a foam discharge pipe are installed on the support frame. The drain pipe and the foam discharge pipe are respectively connected to an atomizing nozzle and a foam nozzle through a clamping component. A first connecting component and a second connecting component are respectively provided between the drain pipe and the foam discharge pipe and the water tank and the foam box;

[0007] The clamping assembly includes a connecting pipe, a plurality of return springs, an extrusion ring, two clamping parts and an outer ring part, the connecting pipe is respectively connected to the drain pipe and the foam discharge pipe, the atomizing nozzle and the foam nozzle are provided with an annular groove, a through groove is provided on one side of the annular groove, the two clamping parts and the outer ring part are respectively connected to the drain pipe and the foam discharge pipe, the plurality of return springs are connected between the extrusion ring and the drain pipe or the foam discharge pipe, and the two clamping parts are clamped in the annular groove.

[0008] Preferably, a plurality of transport wheels are installed on the transport plate, and a push rod is installed on one side of the transport plate.

[0009] Preferably, the driving assembly includes a first driving motor and two pulleys, the two pulleys are connected to the stirring frame, and the two pulleys are connected by a transmission belt, the first driving motor is fixedly mounted on the foam box through a mounting frame, and the output end of the first driving motor is connected to one of the pulleys.

[0010] Preferably, a blocking cover is threadedly connected to the feed pipe, a drain pipe is connected to the water tank and the foam box, and a control valve is installed on the drain pipe.

[0011] Preferably, the rotating assembly includes a second drive motor, a support block, two side plates and a rotating plate, the two side plates are connected to the support block, the rotating plate is rotatably connected between the two side plates through a rotating rod, the second drive motor is installed on one of the side plates, and the output end of the second drive motor is connected to the rotating rod, and the rotating plate is connected to the support frame.

[0012] Preferably, both the atomizing nozzle and the foam nozzle are provided with a limiting plate, and the outer ring is provided with a movable groove for the limiting plate to be slidably connected.

[0013] Preferably, a sealing ring is provided on the connecting pipe, and the sealing ring is in contact and connected with the atomizing nozzle or the foam nozzle.

[0014] Preferably, the first connecting assembly includes a water pump, a first connecting water pipe and a second connecting water pipe. The water pump is fixedly mounted on the transport plate. Both ends of the first connecting water pipe are respectively connected to the water tank and one end of the water pump. Both ends of the second connecting water pipe are respectively connected to the drain pipe and the other end of the water pump.

[0015] Preferably, the second connecting assembly includes a foam booster pump, a first foam tube and a second foam tube, the foam booster pump is installed on the transport board, the two ends of the first foam tube are respectively connected to the foam box and one end of the foam booster pump, and the two ends of the second foam tube are respectively connected to the foam discharge pipe and the other end of the foam booster pump.

[0016] The dust removal method using a water mist wet dust removal system in a mine comprises the following steps:

[0017] S1. Add water or foaming liquid: Add water or foaming liquid into the water tank and the foam box through the feed pipe respectively. According to the detection of the dust detector, dust suppression agent and the like can be added to the water tank and the foam box. Then the driving component drives the stirring frame to mix the water tank and the foam box to improve the dust suppression effect.

[0018] S2. Install the atomizing nozzle or foam nozzle: connect the atomizing nozzle or foam nozzle to the external ring, press the atomizing nozzle or foam nozzle to squeeze the moving ring, and one end of the two clamping parts is clamped in the annular groove to fix the atomizing nozzle or foam nozzle;

[0019] S3. Dust suppression by water mist and foam: The water and foam in the water tank and the foam tank are transported to the drain pipe and the foam drain pipe through the first connecting component and the second connecting component, and then sprayed out through the atomizing nozzle and the foam nozzle. The rotating component drives the supporting frame to rotate, so as to adjust the spraying angle and range of the atomizing nozzle and the foam nozzle.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. Through the setting of the drive component, the water tank and the foam box can be stirred to improve the dust reduction effect. Through the setting of the dust detector, the dust content and type in the mine can be detected. Through the setting of the servo electric cylinder, the drainage pipe and the foam pipe can be driven to adjust the height of dust reduction. Through the setting of the rotating component, the spray angle of the atomizing nozzle and the foam nozzle can be adjusted to increase the dust reduction range. The combination of water mist and foam can form a double dust removal mechanism. Water mist can moisten and suspend dust particles in the air, while foam can more effectively capture and adhere to these particles through its viscosity and coverage, thereby improving the dust removal effect.

[0022] 2. Through the setting of the snap-fit ​​assembly, it is convenient to install the atomizing nozzle and the foam nozzle on the drain pipe and the foam drain pipe respectively, so that the atomizing nozzle and the foam nozzle can be replaced, which can improve the maintenance efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the present invention;

[0024] Figure 2 The cross-sectional structure of the present invention is schematically shown Figure 1 ;

[0025] Figure 3 The cross-sectional structure of the present invention is schematically shown Figure 2 ;

[0026] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0027] Figure 5 It is an exploded structural diagram of the locking assembly of the present invention.

[0028] In the figure: 1. transport plate; 2. water tank; 3. foam box; 4. stirring frame; 5. feed pipe; 6. dust detector; 7. servo electric cylinder; 8. support frame; 9. drain pipe; 10. foam pipe; 11. atomizing nozzle; 12. foam nozzle; 13. connecting pipe; 14. reset spring; 15. extrusion ring; 16. snap-fitting part; 17. outer ring; 18. first foam pipe; 19. second foam pipe; 20. annular groove; 21. through groove ; 22. Transport wheel; 23. Push rod; 24. First drive motor; 25. Pulley; 26. Transmission belt; 27. Block cover; 28. Drain pipe; 29. ​​Control valve; 30. Second drive motor; 31. Support block; 32. Side plate; 33. Rotating plate; 34. Rotating rod; 35. Limiting plate; 36. Moving groove; 37. Sealing ring; 38. Water pump; 39. First connecting water pipe; 40. Second connecting water pipe; 41. Foam booster pump. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Example 1

[0031] See also Figure 1-Figure 5 The present invention provides a technical solution: a mine water mist wet dust removal system, comprising a transport plate 1, a plurality of transport wheels 22 are installed on the transport plate 1, a push rod 23 is installed on one side of the transport plate 1, the transport wheel 22 is arranged to facilitate the movement of the transport plate 1, and the push rod 23 can be pushed to drive the transport plate 1 to move, so as to perform mobile dust reduction;

[0032] A water tank 2 and a foam box 3 are installed on the transport plate 1. The foam box 3 and the water tank 2 are connected with a stirring frame 4 through a driving assembly. The driving assembly includes a first driving motor 24 and two pulleys 25. The two pulleys 25 are connected to the stirring frame 4, and the two pulleys 25 are connected through a transmission belt 26. The first driving motor 24 is fixedly installed on the foam box 3 through a mounting frame, and the output end of the first driving motor 24 is connected to one of the pulleys 25. A feeding pipe 5 is provided on the water tank 2 and the foam box 3. A baffle 27 is threadedly connected to the feeding pipe 5. A drain pipe 28 is connected to the water tank 2 and the foam box 3. A control valve 29 is installed on the drain pipe 28. A dust detector 6 is installed on the foam box 3.

[0033] The dust detector 6 detects the dust concentration and type in the mine, and adds dust suppressant to the water tank 2 or the foam box 3 through the feed pipe 5 according to the detection results to improve the dust suppression effect. After adding the dust suppressant, the first drive motor 24 drives a pulley 25 to rotate. Through the setting of the pulley 25, another pulley 25 can be driven to rotate. The two pulleys 25 can drive the stirring frame 4 to stir and mix the water tank 2 or the foam box 3. The setting of the baffle 27 can prevent debris from entering the water tank 2 or the foam box 3 through the feed pipe 5. When the liquid in the water tank 2 or the foam box 3 is discharged, the control valve 29 can be opened and the liquid is discharged through the drain pipe 28.

[0034] A servo electric cylinder 7 is installed on the transport plate 1, and the output end of the servo electric cylinder 7 is connected to a support frame 8 through a rotating assembly. The rotating assembly includes a second drive motor 30, a support block 31, two side plates 32 and a rotating plate 33. The two side plates 32 are connected to the support block 31, and the rotating plate 33 is rotatably connected between the two side plates 32 through a rotating rod 34. The second drive motor 30 is installed on one of the side plates 32, and the output end of the second drive motor 30 is connected to the rotating rod 34, and the rotating plate 33 is connected to the support frame 8. A drain pipe 9 and a foam discharge pipe 10 are installed on the support frame 8. The drain pipe 9 and the foam discharge pipe 10 are respectively connected to an atomizing nozzle 11 and a foam nozzle 12 through a clamping assembly. A first connecting assembly and a second connecting assembly are respectively provided between the drain pipe 9 and the foam discharge pipe 10 and the water tank 2 and the foam box 3;

[0035] The servo electric cylinder 7 can drive the support frame 8 to adjust the height for dust reduction. When adjusting the dust reduction angle, the second drive motor 30 drives the rotating plate 33 to rotate between the side plates 32 through the rotating rod 34, thereby adjusting the angle of the support frame 8 and increasing the dust reduction range.

[0036] Specifically, the first connecting component includes a water pump 38, a first connecting water pipe 39 and a second connecting water pipe 40. The water pump 38 is fixedly installed on the transport plate 1. The two ends of the first connecting water pipe 39 are respectively connected to the water tank 2 and one end of the water pump 38, and the two ends of the second connecting water pipe 40 are respectively connected to the drain pipe 9 and the other end of the water pump 38. The second connecting component includes a foam booster pump 41, a first foam pipe 18 and a second foam pipe 19. The foam booster pump 41 is installed on the transport plate 1. The two ends of the first foam pipe 18 are respectively connected to the foam box 3 and one end of the foam booster pump 41, and the two ends of the second foam pipe 19 are respectively connected to the foam drain pipe 10 and the other end of the foam booster pump 41.

[0037] When water mist is used for dust reduction, the water pump 38 transports the water in the water tank 2 to the drain pipe 9 through the first connecting water pipe 39 and the second connecting water pipe 40, and the water in the drain pipe 9 is sprayed out through the atomizing nozzle 11. When foam is used for dust reduction, the foam booster pump 41 transports the foam in the foam box 3 to the foam discharge pipe 10 through the first foam pipe 18 and the second foam pipe 19, and the foam in the foam discharge pipe 10 is sprayed out through the foam nozzle 12. The combination of water mist and foam can form a dual dust removal mechanism. Water mist can moisten and suspend dust particles in the air, while foam can more effectively capture and adhere to these particles through its viscosity and coverage, thereby improving the dust removal effect.

[0038] The clamping assembly includes a connecting pipe 13, a plurality of return springs 14, an extrusion ring 15, two clamping parts 16 and an outer ring part 17. The connecting pipe 13 is respectively connected to the drain pipe 9 and the foam discharge pipe 10. An annular groove 20 is provided on the atomizing nozzle 11 and the foam nozzle 12. A through groove 21 is provided on one side of the annular groove 20. The two clamping parts 16 and the outer ring part 17 are respectively connected to the drain pipe 9 and the foam discharge pipe 10. A plurality of return springs 14 are connected between the extrusion ring 15 and the drain pipe 9 or the foam discharge pipe 10. The two clamping parts 16 are clamped in the annular groove 20. A limit plate 35 is provided on the atomizing nozzle 11 and the foam nozzle 12. A movable groove 36 for sliding connection of the limit plate 35 is provided on the outer ring part 17.

[0039] When installing the atomizing nozzle 11 or the foam nozzle 12, the atomizing nozzle 11 or the foam nozzle 12 is connected to the external ring member, and the limiting plate 35 is in contact with one side of the moving groove 36 to position and connect the atomizing nozzle 11 or the foam nozzle 12. Then, the atomizing nozzle 11 or the foam nozzle 12 is pressed to squeeze the moving ring, and one end of the two clamping members 16 is clamped in the annular groove 20, so that the atomizing nozzle 11 or the foam nozzle 12 can be clamped and fixed;

[0040] When the atomizing nozzle 11 or the foam nozzle 12 is disassembled, the atomizing nozzle 11 or the foam nozzle 12 is rotated, the engaging member 16 passes through the through slot 21, the return spring 14 releases elastic potential energy, and pushes the squeezing ring 15. The squeezing ring 15 pushes the atomizing nozzle 11 or the foam nozzle 12 out, and the atomizing nozzle 11 or the foam nozzle 12 can be disassembled so that the atomizing nozzle 11 and the foam nozzle 12 can be replaced, thereby improving the maintenance efficiency.

[0041] A sealing ring 37 is provided on the connecting pipe 13, and the sealing ring 37 is in contact with and connected to the atomizing nozzle 11 or the foam nozzle 12. The provision of the sealing ring 37 can improve the sealing performance when the atomizing nozzle 11 or the foam is installed.

[0042] Example 2

[0043] The dust removal method using a water mist wet dust removal system in a mine comprises the following steps:

[0044] S1. Add water or foaming liquid: Add water or foaming liquid into the water tank 2 and the foam tank 3 through the feed pipe 5, respectively. According to the detection of the dust detector 6, dust suppression agent and the like can be added to the water tank 2 and the foam tank 3. Then the driving component drives the stirring frame 4 to mix the water tank 2 and the foam tank 3 to improve the dust suppression effect.

[0045] S2. Install the atomizing nozzle 11 or the foaming nozzle 12: connect the atomizing nozzle 11 or the foaming nozzle 12 to the external ring, press the atomizing nozzle 11 or the foaming nozzle 12 to squeeze the moving ring, and one end of the two engaging members 16 is engaged in the annular groove 20, so that the atomizing nozzle 11 or the foaming nozzle 12 can be engaged and fixed;

[0046] S3. Dust suppression by water mist and foam: The water and foam in the water tank 2 and the foam tank 3 are transported to the drain pipe 9 and the foam drain pipe 10 through the first connecting component and the second connecting component, and then sprayed out through the atomizing nozzle 11 and the foam nozzle 12. The rotating component drives the support frame 8 to rotate, so as to adjust the spraying angle and range of the atomizing nozzle 11 and the foam nozzle 12.

Claims

1. The mine uses a water mist wet dust removal system, which is characterized by: include: A transport plate (1), a water tank (2) and a foam box (3) are installed on the transport plate (1), a stirring frame (4) is connected to the foam box (3) and the water tank (2) via a driving assembly, a feed pipe (5) is provided on both the water tank (2) and the foam box (3), and a dust detector (6) is installed on the foam box (3); A servo electric cylinder (7) is installed on the transport plate (1); the output end of the servo electric cylinder (7) is connected to a support frame (8) via a rotating assembly; a drain pipe (9) and a foam discharge pipe (10) are installed on the support frame (8); the drain pipe (9) and the foam discharge pipe (10) are respectively connected to an atomizing nozzle (11) and a foam nozzle (12) via a snap-fit ​​assembly; a first connecting assembly and a second connecting assembly are respectively provided between the drain pipe (9) and the foam discharge pipe (10) and the water tank (2) and the foam tank (3); The clamping assembly comprises a connecting pipe (13), a plurality of return springs (14), an extrusion ring (15), two clamping parts (16) and an outer ring part (17); the connecting pipe (13) is connected to a drain pipe (9) and a foam discharge pipe (10) respectively; an annular groove (20) is provided on the atomizing nozzle (11) and the foam discharge nozzle (12); a through groove (21) is provided on one side of the annular groove (20); the two clamping parts (16) and the outer ring part (17) are connected to the drain pipe (9) and the foam discharge pipe (10) respectively; the plurality of return springs (14) are connected between the extrusion ring (15) and the drain pipe (9) or the foam discharge pipe (10); and the two clamping parts (16) are clamped in the annular groove (20).

2. The mine water mist wet dust removal system according to claim 1 is characterized in that: A plurality of transport wheels (22) are installed on the transport plate (1), and a push rod (23) is installed on one side of the transport plate (1).

3. The mine water mist wet dust removal system according to claim 1 is characterized in that: The driving assembly comprises a first driving motor (24) and two pulleys (25), the two pulleys (25) are connected to the stirring frame (4), and the two pulleys (25) are connected via a transmission belt (26), the first driving motor (24) is fixedly mounted on the foam box (3) via a mounting frame, and the output end of the first driving motor (24) is connected to one of the pulleys (25).

4. The mine water mist wet dust removal system according to claim 1 is characterized in that: The feed pipe (5) is threadedly connected with a blocking cover (27), the water tank (2) and the foam box (3) are connected with a drain pipe (28), and a control valve (29) is installed on the drain pipe (28).

5. The mine water mist wet dust removal system according to claim 1 is characterized in that: The rotating assembly comprises a second driving motor (30), a supporting block (31), two side plates (32) and a rotating plate (33); the two side plates (32) are connected to the supporting block (31); the rotating plate (33) is rotatably connected between the two side plates (32) via a rotating rod (34); the second driving motor (30) is mounted on one of the side plates (32); an output end of the second driving motor (30) is connected to the rotating rod (34); and the rotating plate (33) is connected to the supporting frame (8).

6. The mine water mist wet dust removal system according to claim 1 is characterized in that: The atomizing nozzle (11) and the foam nozzle (12) are both provided with a limiting plate (35), and the outer ring member (17) is provided with a moving groove (36) for the limiting plate (35) to be slidably connected.

7. The mine water mist wet dust removal system according to claim 1 is characterized in that: The connecting pipe (13) is provided with a sealing ring (37), and the sealing ring (37) is in contact with and connected to the atomizing nozzle (11) or the foam nozzle (12).

8. The mine water mist wet dust removal system according to claim 1 is characterized in that: The first connecting assembly comprises a water pump (38), a first connecting water pipe (39) and a second connecting water pipe (40); the water pump (38) is fixedly mounted on the transport plate (1); two ends of the first connecting water pipe (39) are respectively connected to the water tank (2) and one end of the water pump (38); and two ends of the second connecting water pipe (40) are respectively connected to the drain pipe (9) and the other end of the water pump (38).

9. The mine water mist wet dust removal system according to claim 1, characterized in that: The second connection assembly comprises a foam booster pump (41), a first foam pipe (18) and a second foam pipe (19); the foam booster pump (41) is installed on the transport plate (1); two ends of the first foam pipe (18) are respectively connected to the foam box (3) and one end of the foam booster pump (41); and two ends of the second foam pipe (19) are respectively connected to the foam discharge pipe (10) and the other end of the foam booster pump (41).

10. A dust removal method using a water mist wet dust removal system in a mine, characterized in that: The following steps are involved: S1. Adding water or foaming liquid: The water or foaming liquid is respectively introduced into the water tank (2) and the foam box (3) through the feed pipe (5). According to the detection result of the dust detector (6), a dust suppressant or the like is added into the water tank (2) and the foam box (3). Then, the driving component drives the stirring frame (4) to mix the water tank (2) and the foam box (3) to improve the dust suppression effect. S2. Installing the atomizing nozzle or the foam nozzle: connecting the atomizing nozzle (11) or the foam nozzle (12) to the external ring, pressing the atomizing nozzle (11) or the foam nozzle (12) to squeeze the movable ring, and engaging one end of the two engaging members (16) in the annular groove (20), thereby engaging and fixing the atomizing nozzle (11) or the foam nozzle (12); S3, water mist and foam dust reduction: water and foam in the water tank (2) and the foam tank (3) are transported to the drain pipe (9) and the foam discharge pipe (10) through the first connecting component and the second connecting component, and then sprayed out through the atomizing nozzle (11) and the foam nozzle (12). The rotating component drives the support frame (8) to rotate, so as to adjust the spraying angle and range of the atomizing nozzle (11) and the foam nozzle (12).

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