Dustproof spraying device for coal mine tunneling

By using dust sensors and a booster pump system to monitor dust concentration in real time, spray nozzles to disperse water droplets, and guide tubes to adjust the spray angle, the system solves the problems of insufficient monitoring and angle adjustment in existing devices, thereby improving the dust control effect during coal mine tunneling.

CN223964497UActive Publication Date: 2026-03-03王飞
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Patent Information

Application Number
CN202520631683.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-03-03
Estimated Expiration
2035-04-07

AI Technical Summary

Technical Problem

Existing dust suppression spray devices used in coal mine tunneling cannot monitor dust concentration in real time, cannot disperse water into small droplets to combine with dust, and the spray angle and coverage area are not adjustable.

Method used

A dust sensor is used to monitor dust concentration in real time. A booster pump provides water pressure, a frequency converter adjusts the spray speed, a spray head disperses water droplets, and a guide tube adjusts the spray angle and range.

Benefits of technology

It enables real-time monitoring of dust concentration, improves dust suppression efficiency, can clear blockages in the spray head, and has an adjustable spray angle and coverage range, thus enhancing the dust control effect.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a dust-proof spraying device for coal mine tunneling, which relates to the related technical field of dust-proof spraying for coal mine tunneling and comprises a protection box, a display is arranged at the top of the protection box, a dust sensor is arranged at the top of the display, and a data display screen is arranged on one side of the dust sensor. A water storage tank is arranged at the bottom of the inner wall of the protection box, a water inlet is formed in the top of the water storage tank, a pressure cover matched with the water inlet is arranged at the top of the water inlet, a water outlet is formed in the bottom of the water storage tank, and the inner wall of the water outlet is connected with the outer wall of one end of a water guide pipe matched with the water outlet. According to the dustproof spraying device for coal mine tunneling, the dust concentration in an operation area is monitored in real time through the dust sensor, dust concentration data in a coal mine can be visually known through cooperation with the data display screen, reserve water is conveniently provided through the water storage tank when water supply is insufficient, and sufficient water pressure is provided through the booster pump to support normal operation of the whole device.
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Description

Technical Field

[0001] This utility model relates to the technical field of dust suppression spray for coal mine tunneling, specifically a dust suppression spray device for coal mine tunneling. Background Technology

[0002] Coal mines are areas where humans extract coal resources in coal-rich mining areas. The dust generated during coal mine tunneling contains a large amount of coal dust and rock particles. Long-term inhalation of this dust can have serious effects on workers' health, such as respiratory diseases and pneumoconiosis. Using spraying methods to reduce dust concentration can protect workers' respiratory health. However, traditional dust suppression sprays have a slow diffusion speed and cannot suppress the generation and diffusion of dust in time. Therefore, there is an urgent need for a dust suppression spray device for coal mine tunneling.

[0003] Currently, existing dust suppression sprays used in coal mine tunneling cannot monitor dust concentration in the work area in real time, nor can they disperse water into small droplets to make it easier for the water to combine with dust in the air, thereby improving dust suppression efficiency. Furthermore, existing dust suppression sprays do not have the ability to adjust the spray angle and coverage area according to the location and direction of tunneling. Utility Model Content

[0004] The purpose of this utility model is to provide a dust suppression spray device for coal mine tunneling, in order to solve the problems mentioned in the background art, that existing dust suppression sprays for coal mine tunneling cannot monitor the dust concentration in the working area in real time, nor can they disperse water into small water droplets to make it easier to combine with dust in the air, thereby improving dust suppression efficiency, and that existing dust suppression sprays do not have the ability to adjust the spray angle and coverage range according to the location and direction of tunneling.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a dust suppression spray device for coal mine tunneling, comprising a protective box, a display screen on the top of the protective box, a dust sensor on the top of the display screen, a data display screen on one side of the dust sensor, a water storage tank at the bottom of the inner wall of the protective box, a water inlet at the top of the water storage tank, a pressure cap adapted to the water inlet at the top of the water inlet, a drain outlet at the bottom of the water storage tank, a water guide pipe connected to the inner wall of the drain outlet at one end, a booster pump inlet at the other end of the water guide pipe, the booster pump being connected and fixed to the water storage tank via the drain outlet through the water guide pipe, a fixed bracket adapted to the booster pump at the bottom, the fixed bracket being located at the bottom of the inner wall of the protective box, and a frequency converter being located above one side of the fixed bracket.

[0006] Preferably, a pressure display screen is provided on one side of the frequency converter, and symmetrically distributed adjustment buttons are provided below the pressure display screen. One end of a transmission line is connected to the top of the frequency converter, and the other end of the transmission line is connected to the top side of the booster pump. The frequency converter is connected and fixed to the booster pump through the transmission line. One end of a water supply pipe adapted to the booster pump is connected to the outlet of the booster pump, and the other end of the water supply pipe is connected to the bottom of a fixed branch pipe. The top of the protective box has an installation groove adapted to the fixed branch pipe, and a fixed horizontal plate is provided on the top of the fixed branch pipe. The fixed horizontal plate is mortised and tenoned with the protective box through the installation groove of the fixed branch pipe.

[0007] Preferably, the top of the fixed horizontal plate is provided with linearly distributed connection ports, the bottom of the connection ports is provided with through-hole pins, the inner wall of the connection ports is connected to a matching spray head, the inner wall of the spray head is provided with a matching spring, the bottom end of the spring is connected to the bottom inner wall of the connection port, the bottom of the spray head is provided with symmetrically distributed fixing blocks, and the spray head is connected and fixed to the fixed horizontal plate through the fixing blocks set in the connection ports.

[0008] Preferably, the top of the fixed horizontal plate is provided with a guide tube that is adapted to it, and the bottom two sides of the guide tube are respectively provided with symmetrically distributed semi-circular locking blocks. The guide tube is connected and fixed to the fixed horizontal plate through the semi-circular locking blocks and the fastening bolts adapted to it.

[0009] Preferably, an arc-shaped handle is provided on one side of the top of the guide tube, and a protective door adapted to it is provided on one side of the protective box.

[0010] Preferably, a knob handle is provided on one side of the protective door, and the protective door is connected and fixed to the protective box via a movable baffle set by the knob handle.

[0011] Preferably, the bottom of the protective box is provided with omnidirectional wheels that are evenly distributed.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This dust suppression spray device for coal mine tunneling uses a dust sensor to monitor the dust concentration in the working area in real time. With the help of a data display screen, it can intuitively understand the dust concentration data inside the coal mine. The water storage tank can provide reserve water when the water supply is insufficient. The booster pump provides sufficient water pressure to support the normal operation of the whole equipment. The frequency converter, together with the adjustment button and transmission line, can adjust the speed of the booster pump according to the pressure value set according to the dust concentration.

[0014] 2. This dust suppression spray device for coal mine tunneling facilitates the connection of water sources to each spray head through fixed branch pipes. The spray heads disperse water into small droplets, making it easier for them to combine with dust in the air, thereby improving dust suppression efficiency. Pressing the spray head in conjunction with the through-hole needle can unclog the water outlet holes blocked by scale. After the external force of the spring is removed, the spray head can return to its original shape. The guide tube can adjust the spray angle and coverage area according to the location and direction of tunneling, and the guide tube can be folded and disassembled. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0016] Figure 2 This is a partial three-dimensional structural schematic diagram of the present invention;

[0017] Figure 3 This is a partial three-dimensional structural schematic diagram of the present invention;

[0018] Figure 4 This is a partial three-dimensional structural diagram of the present invention.

[0019] In the diagram: 1. Protective box; 2. Display; 3. Dust sensor; 4. Data display screen; 5. Water tank; 6. Water inlet; 7. Pressure cover; 8. Drain outlet; 9. Water guide pipe; 10. Booster pump; 11. Fixed bracket; 12. Frequency converter; 13. Pressure display screen; 14. Adjustment button; 15. Transmission line; 16. Water supply pipe; 17. Fixed branch pipe; 18. Mounting groove; 19. Fixed cross plate; 20. Connection port; 21. Through-hole needle; 22. Spray head; 23. Spring; 24. Fixing block; 25. Guide tube; 26. Semi-circular block; 27. Fastening bolt; 28. Arc handle; 29. ​​Protective door; 30. Knob handle; 31. Moving baffle; 32. Casters. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-4This utility model provides a technical solution: a dust suppression spray device for coal mine tunneling, comprising a protective box 1, a display 2 on the top of the protective box 1, a dust sensor 3 on the top of the display 2, a data display screen 4 on one side of the dust sensor 3, a water storage tank 5 at the bottom of the inner wall of the protective box 1, a water inlet 6 at the top of the water storage tank 5, a pressure cap 7 at the top of the water inlet 6, a drain outlet 8 at the bottom of the water storage tank 5, one end of a water guide pipe 9 connected to the inner wall of the drain outlet 8, the other end of the water guide pipe 9 connected to the inlet of a booster pump 10, the booster pump 10 connected and fixed to the water storage tank 5 via the drain outlet 8 and the drain pipe 9, and a fixed bracket 11 at the bottom of the booster pump 10, the fixed bracket 11 being located at the bottom of the inner wall of the protective box 1 for fixing. A frequency converter 12 is installed on one side of the support bracket 11. A pressure display screen 13 is installed on one side of the frequency converter 12. Adjustment buttons 14 are symmetrically distributed below the pressure display screen 13. One end of a transmission line 15 is connected to the top of the frequency converter 12, and the other end of the transmission line 15 is connected to the top side of the booster pump 10. The frequency converter 12 is connected and fixed to the booster pump 10 through the transmission line 15. The dust concentration in the working area is monitored in real time by the dust sensor 3. With the help of the data display screen 4, the dust concentration data inside the coal mine can be understood intuitively. The water tank 5 provides water storage when the water supply is insufficient. The booster pump 10 provides sufficient water pressure to support the normal operation of the entire equipment. The speed of the booster pump 10 can be adjusted according to the pressure value set by the frequency converter 12, the adjustment button 14 and the transmission line 15.

[0022] The outlet of the booster pump 10 is connected to one end of a matching water pipe 16, and the other end of the water pipe 16 is connected to the bottom of a fixed branch pipe 17. The top of the protective box 1 has an installation groove 18 that matches the fixed branch pipe 17. A fixed horizontal plate 19 is installed on the top of the fixed branch pipe 17. The fixed horizontal plate 19 is tenon-and-mortise connected to the protective box 1 via the installation groove 18 on the fixed branch pipe 17. The top of the fixed horizontal plate 19 has linearly distributed connection ports 20, and the bottom of each connection port 20 has a through-hole pin 2. 1. A matching spray head 22 is connected to the inner wall of the connector 20. A matching spring 23 is provided on the inner wall of the spray head 22. The bottom end of the spring 23 is connected to the bottom inner wall of the connector 20. A symmetrically distributed fixing block 24 is provided at the bottom of the spray head 22. The spray head 22 is connected and fixed to the fixing plate 19 through the fixing block 24 provided in the connector 20. A matching guide tube 25 is provided at the top of the fixing plate 19. A symmetrically distributed fixing block 24 is provided on both sides of the bottom of the guide tube 25. The guide tube 25 is connected and fixed to the fixed horizontal plate 19 via semi-circular locking blocks 26 and matching fastening bolts 27. An arc-shaped handle 28 is provided on one side of the top of the guide tube 25, and a matching protective door 29 is provided on one side of the protective box 1. A knob handle 30 is provided on one side of the protective door 29, and a movable baffle 31 is provided on the protective door 29 via the knob handle 30 to connect and fix it to the protective box 1. Evenly distributed casters 32 are provided at the bottom of the protective box 1. The fixed branch pipe 17 facilitates the connection of water source to each spray head 22. The spray head 22 can disperse water into small droplets, making it easier to combine with dust in the air, thereby improving dust suppression efficiency. By pressing the spray head 22 in conjunction with the through-hole needle 21, the water outlet hole blocked by scale can be cleared. After the external force of the spring 23 is removed, the spray head 22 can return to its original shape. The guide pipe 25 can adjust the spray angle and coverage area according to the position and direction of excavation. The guide pipe 25 can be folded and disassembled.

[0023] Working principle: First, the dust sensor 3 monitors the dust concentration in the working area in real time. With the data display screen 4, the dust concentration data inside the coal mine can be viewed intuitively. The water storage tank 5 provides reserve water when the water supply is insufficient. The booster pump 10 provides sufficient water pressure to support the normal operation of the whole equipment. The frequency converter 12, together with the adjustment button 14 and the transmission line 15, can adjust the speed of the booster pump 10 according to the pressure value set according to the dust concentration. The fixed branch pipe 17 facilitates the connection of the water source to each spray head 22. The spray head 22 can disperse water into small water droplets, making it easier to combine with dust in the air, thereby improving the dust suppression efficiency. Pressing the spray head 22 with the through-hole needle 21 can clear the water outlet hole blocked by scale. After the external force of the spring 23 is removed, the spray head 22 can return to its original shape. The guide tube 25 can adjust the spray angle and coverage range according to the position and direction of the tunneling. The guide tube 25 can be folded and disassembled. This completes the operation process of a dust suppression spray device for coal mine tunneling.

[0024] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dust suppression spray device for coal mine tunneling, characterized in that, The system includes a protective box (1), a display (2) on the top of the protective box (1), a dust sensor (3) on the top of the display (2), a data display screen (4) on one side of the dust sensor (3), a water storage tank (5) at the bottom of the inner wall of the protective box (1), a water inlet (6) on the top of the water storage tank (5), a pressure cap (7) on the top of the water inlet (6), and a drain outlet (8) at the bottom of the water storage tank (5). The inner wall of the water inlet (8) is connected to the outer wall of one end of a water guide pipe (9) that is compatible with it. The other end of the water guide pipe (9) is connected to the inlet of a booster pump (10). The booster pump (10) is connected to the water storage tank (5) through the drain outlet (8) set by the water guide pipe (9). The bottom of the booster pump (10) is provided with a fixed bracket (11) that is compatible with it. The fixed bracket (11) is set at the bottom of the inner wall of the protective box (1). A frequency converter (12) is set on one side above the fixed bracket (11).

2. The dust suppression spray device for coal mine tunneling according to claim 1, characterized in that: A pressure display screen (13) is provided on one side of the frequency converter (12). A symmetrically distributed adjustment button (14) is provided below the pressure display screen (13). One end of a transmission line (15) is connected to the top of the frequency converter (12). The other end of the transmission line (15) is connected to the top side of the booster pump (10). The frequency converter (12) is connected and fixed to the booster pump (10) through the transmission line (15). One end of a water pipe (16) is connected to the outlet of the booster pump (10). The other end of the water pipe (16) is connected to the bottom of a fixed branch pipe (17). An installation groove (18) that matches the fixed branch pipe (17) is provided on the top of the protective box (1). A fixed horizontal plate (19) is provided on the top of the fixed branch pipe (17). The fixed horizontal plate (19) is mortised and tenoned with the protective box (1) through the installation groove (18) of the fixed branch pipe (17).

3. The dust suppression spray device for coal mine tunneling according to claim 2, characterized in that: The top of the fixed horizontal plate (19) is provided with a linearly distributed connection port (20), the bottom of the connection port (20) is provided with a through-hole needle (21), the inner wall of the connection port (20) is connected with a matching spray head (22), the inner wall of the spray head (22) is provided with a matching spring (23), the bottom end of the spring (23) is connected to the bottom inner wall of the connection port (20), the bottom of the spray head (22) is provided with symmetrically distributed fixing blocks (24), and the spray head (22) is connected and fixed to the fixed horizontal plate (19) through the fixing blocks (24) set in the connection port (20).

4. A dust suppression spray device for coal mine tunneling according to claim 2, characterized in that: The top of the fixed horizontal plate (19) is provided with a guide tube (25) that is compatible with it. The bottom sides of the guide tube (25) are respectively provided with symmetrically distributed semi-circular blocks (26). The guide tube (25) is connected and fixed to the fixed horizontal plate (19) through the semi-circular blocks (26) and the fastening bolts (27) that are compatible with it.

5. A dust suppression spray device for coal mine tunneling according to claim 4, characterized in that: An arc-shaped handle (28) is provided on one side of the top of the guide tube (25), and a protective door (29) is provided on one side of the protective box (1) to match it.

6. A dust suppression spray device for coal mine tunneling according to claim 5, characterized in that: A knob handle (30) is provided on one side of the protective door (29), and the protective door (29) is connected and fixed to the protective box (1) by a movable baffle (31) provided by the knob handle (30).

7. A dust suppression spray device for coal mine tunneling according to claim 1, characterized in that: The bottom of the protective box (1) is provided with casters (32) that are evenly distributed.