Ventilation and dust removal device for underground mining

By designing a multifunctional underground mining ventilation and dust removal device, the combination of fan, liquid pump and filter plate is used to solve the problem of poor dust removal effect of existing devices, achieving more efficient ventilation and dust removal effects, and improving the device efficiency and safety of use.

CN222501799UActive Publication Date: 2025-02-18SHANXI NINGWU UNIVERSIADE HUASHENG LAOYAOGOU COAL CO LTD
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Patent Information

Application Number
CN202421333317.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-02-18
Estimated Expiration
2034-06-12

AI Technical Summary

Technical Problem

The existing underground mining ventilation device has a single function, poor dust removal effect, and a lot of dust accumulation inside the filter mesh and filter box, making it difficult to clean.

Method used

An underground mining ventilation and dust removal device including a first water tank, a square tube, a vacuum pump, a liquid pump, a ventilation duct, a fan, an atomization nozzle, a filter plate and a cleaning mechanism is designed. The fan blows through the filter plate in the ventilation duct for dust removal, and the atomized liquid sprayed from the liquid pump and the air blown by the fan work together to improve the dust removal effect. At the same time, the ventilation duct height is adjusted by an electric push rod and the cleaning mechanism to clean the dust on the surface of the filter plate to improve the efficiency of the device.

Benefits of technology

It achieves more efficient ventilation and dust removal effects, facilitates cleaning of the filter plate, and improves the practicality and safety of the device.

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Abstract

The utility model discloses a ventilation and dust removal device for underground mining, and particularly relates to the field of underground mining ventilation, the ventilation and dust removal device comprises a first water tank, the top of the first water tank is provided with a square pipe, a dust suction pump and a liquid pump, the top of the square pipe is inserted with a connecting square pipe, and the top of the connecting square pipe is fixedly connected with a ventilation pipe. According to the device, firstly, the fan is started to control air to pass through the interior of the ventilation pipe, two filter plates are used for filtering to achieve the ventilation and dust falling effects, and a liquid pump is started to atomize and spray liquid in the second water tank through an atomizing spray pipe, and the liquid is blown out through the fan to be diffused into the air to wet dust in the air; and a sealing plate is pulled to control a filter plate to move, the surface of the filter plate is cleaned through a scraper and a brush, meanwhile, a dust suction pump is started to input dust into the dust removal box for purification and dust removal, the dust removal effect is improved, the filter plate is conveniently cleaned, and the use effect is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of underground mining ventilation, and more specifically to an underground mining ventilation and dust removal device. Background Art

[0002] In the underground mining working environment, ventilation equipment is needed to ensure the oxygen concentration of the air underground to avoid accidents. Secondly, the raising of high-concentration dust underground not only seriously endangers human health, but also greatly reduces the visibility of the workplace, obstructing the vision of workers in the workplace and seriously affecting production safety. Therefore, underground mining ventilation and dust removal equipment is needed.

[0003] Most of the existing underground ventilation devices in coal mines have a single function, which is only ventilation function and has poor practicality.

[0004] A Chinese patent with patent application number CN202120347371.2 discloses a ventilation and dust removal device for underground coal mines, including a box body and a control box, one end of the box body is fixedly connected to an air inlet pipe, one end of the air inlet pipe is embedded with a first blocking plate, the end of the box body away from the air inlet pipe is provided with a heat dissipation window and a protective net, one end of the box body is fixedly connected to a control box, an alarm is fixedly connected to the control box, and one side of the alarm on the control box is fixedly connected to an oxygen concentration sensor. The ventilation or dust removal function can be selected as needed, the function is diverse, and the practicability is strong. The oxygen concentration sensor and the dust detection sensor reduce the consumption of electric energy, and the economy is good. When encountering a mine disaster, the survival probability of the miners is increased, and the safety is high;

[0005] Then, combined with the drawings in the specification, it can be seen that the dust removal effect is achieved by filtering the dust in the passing gas through the filter box and the filter screen. When a lot of dust accumulates inside the filter screen and the filter box, they need to be disassembled as a whole to be cleaned, which is more troublesome, and the dust removal effect can only be achieved for the internal dust entering the device. The dust removal effect is poor and the efficiency is low. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides an underground mining ventilation and dust removal device to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an underground mining ventilation and dust removal device, comprising a first water tank, a square tube and a dust suction pump and a liquid pump are arranged on the top of the first water tank, a connecting square tube is inserted on the top of the square tube, a ventilation pipe is fixedly connected to the top of the connecting square tube, fans are symmetrically arranged on both sides of the inner cavity of the ventilation pipe, and an atomizing nozzle is arranged in the middle of one end of the ventilation pipe;

[0008] Two filter plates are inserted in the middle of the ventilation pipe, a guide plate is arranged between one of the fans and the filter plate, electric push rods are symmetrically arranged on both sides of the square tube, and a cleaning mechanism is arranged between the guide plate and the filter plate;

[0009] The inner cavity of the first water tank is divided into a second water tank and a dust removal box by a partition plate, and a porous plate and a ventilation pipe are arranged in the middle of the dust removal box.

[0010] Preferably, the input end of the vacuum pump is connected to the inner cavity of the square tube, the output end of the square tube is connected to the inner cavity of the ventilation pipe, the top of the ventilation pipe is provided with an exhaust hole, and the top of the first water tank is provided with an exhaust hole.

[0011] Preferably, movable wheels are symmetrically arranged around the bottom of the first water tank, a push rod is arranged on one side of the first water tank, a sewage pipe is arranged at a position at the bottom of the first water tank corresponding to the dust removal box, and the inner cavity of the sewage pipe is connected to the bottom of the inner cavity of the dust removal box.

[0012] Preferably, the output end of the electric push rod is fixedly connected to the bottom wall of the ventilation duct, the bottom end of the connecting square tube is fixedly connected to a limit block, the limit block is arranged in the middle of the square tube, the guide plate is arranged between the two fans, and the filter plate is located on the side of the top of the dust pump away from the guide plate.

[0013] Preferably, the input end of the liquid pump is communicated with the inner cavity of the second water tank, the output end of the liquid pump is communicated with the inner cavity of the atomizing nozzle, and an atomizing nozzle hole is provided in the middle of the atomizing nozzle.

[0014] Preferably, the two sides of the filter plate are symmetrically fixedly connected with limit strips, the top of the filter plate is fixedly connected with a sealing plate, the two filter plates are fitted together, and a limit slot is opened in the middle of the ventilation pipe at a position corresponding to the limit strip, and the limit strip is arranged in the middle of the limit slot.

[0015] Preferably, the cleaning mechanism includes a fixed plate fixed to the top of the inner cavity of the ventilation pipe, a scraper is provided at the bottom of the fixed plate, a fixed block is fixedly connected to the bottom of the scraper, a brush is fixedly connected to one side of the fixed block, and the bottom ends of the brush and the scraper are both in contact with the wall of the filter plate.

[0016] Preferably, the cross-sectional shape of the fixed plate is set to a "U" shape, a stabilizing rod is fixedly connected to the middle of the fixed plate, the top of the scraper is fixedly connected to a limiting slider, the stabilizing rod passes through the middle of the limiting slider, and a spring is sleeved on the end of the stabilizing rod away from the fixed block.

[0017] Technical effects and advantages of the utility model:

[0018] 1. The utility model first starts the fan to control the gas to pass through the inside of the ventilation pipe and filter through two filter plates to achieve the function of ventilation and dust reduction, and starts the liquid pump to spray the liquid inside the second water tank through the atomizing nozzle and blow it out through the fan to diffuse into the air to wet the dust in the air, thereby improving the dust reduction and dust removal effect, and controls the movement of the filter plate by pulling the sealing plate to clean the surface of the filter plate through the scraper and the brush, and at the same time starts the dust suction pump to input the dust into the dust removal box for purification and dust removal, thereby improving the dust removal effect, facilitating the cleaning of the filter plate, and improving the use effect;

[0019] 2. The utility model can also adjust the height of the ventilation pipe by starting the electric push rod to control the ventilation pipe to move up and down, so that the gas at different heights in the underground space can pass through the middle of the ventilation pipe as needed, thereby improving the dust removal effect, and limiting the moving distance of the ventilation pipe by the limit block to improve the use effect. By pushing the limit slider by the spring, the cleaning effect of the scraper and the brush on the filter plate can be improved. By cooperating with the limit card strip and the limit card slot, the stability of the filter plate moving up and down is improved, thereby improving the cleaning effect.

[0020] In summary, through the mutual influence of the above-mentioned multiple effects, it is convenient to clean the surface of the filter plate, improve the cleaning efficiency, and improve the dust removal and dust reduction effect. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0022] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0023] Figure 3 It is a schematic diagram of the cross-sectional structure of the ventilation pipe of the utility model.

[0024] Figure 4 For this utility model Figure 3 Schematic diagram of the local enlarged structure at point A in the middle.

[0025] Figure 5 It is a schematic diagram of the connection cross-section structure of the fixed plate and the scraper of the utility model.

[0026] Figure 6 It is a structural schematic diagram of the filter plate of the utility model.

[0027] The accompanying drawings are marked as follows: 1. first water tank; 2. square tube; 3. dust suction pump; 4. connecting square tube; 5. ventilation pipe; 6. electric push rod; 7. fan; 8. atomizing nozzle; 9. guide plate; 10. filter plate; 11. liquid pump; 12. second water tank; 13. dust removal box; 14. porous plate; 15. ventilation pipe; 16. exhaust hole; 17. moving wheel; 18. push rod; 19. sewage pipe; 20. limit block; 21. limit card strip; 22. sealing plate; 23. limit card slot; 24. fixing plate; 25. scraper; 26. fixing block; 27. brush; 28. limit slider; 29. ​​stabilizer bar; 30. spring. DETAILED DESCRIPTION

[0028] 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.

[0029] As attached Figure 1-6 The underground mining ventilation and dust removal device shown comprises a first water tank 1, a square tube 2, a dust suction pump 3 and a liquid pump 11 are arranged on the top of the first water tank 1, and the dust in the square tube 2 can be sucked into the first water tank 1 through the dust suction pump 3, so as to facilitate dust removal, a connecting square tube 4 is inserted on the top of the square tube 2, and a ventilation pipe 5 is fixedly connected to the top of the connecting square tube 4, and fans 7 are symmetrically arranged on both sides of the inner cavity of the ventilation pipe 5, and an atomizing nozzle 8 is arranged in the middle of one end of the ventilation pipe 5. The fan 7 allows the gas to pass through the middle of the ventilation pipe 5 to achieve ventilation, and liquid is injected into the interior of the atomizing nozzle 8 through the liquid pump 11 and sprayed out in atomization, so that the atomized liquid can be sprayed into the space to purify the air and remove dust;

[0030] Two filter plates 10 are inserted in the middle of the ventilation pipe 5, a guide plate 9 is arranged between one of the fans 7 and the filter plate 10, electric push rods 6 are symmetrically arranged on both sides of the square tube 2, and a cleaning mechanism is arranged between the guide plate 9 and the filter plate 10. The filter plate 10 can filter dust from the gas passing through the middle of the ventilation pipe 5, and the guide plate 9 can guide the gas entering the ventilation pipe 5. The height of the ventilation pipe 5 can be adjusted as needed by starting the electric push rod 6, which is convenient for adjustment and use. The surface dust of the filter plate 10 can be cleaned conveniently through the cleaning mechanism to improve the use effect;

[0031] The inner cavity of the first water tank 1 is divided into a second water tank 12 and a dust removal box 13 by a partition plate. A porous plate 14 and a ventilation pipe 15 are arranged in the middle of the dust removal box 13. The second water tank 12 can be used to remove and purify the gas containing dust, and the second water tank 12 can be used to store the liquid for atomization. The ventilation pipe 15 can be used to generate bubbles for the gas input into the dust removal box 13, and the porous plate 14 can be used to increase the time that the bubbles stay in the liquid, thereby improving the dust removal effect.

[0032] As attached Figure 1 , 2 As shown, the input end of the dust suction pump 3 is connected with the inner cavity of the square tube 2, the output end of the square tube 2 is connected with the inner cavity of the ventilation pipe 15, the top of the ventilation pipe 15 is provided with an exhaust hole, and the top of the first water tank 1 is provided with an exhaust hole 16. Starting the square tube 2 can generate suction in the middle of the square tube 2 and the connected square tube 4, and input the suction into the interior of the dust removal box 13 through the ventilation pipe 15 for dust removal and purification, and the effect is achieved through use.

[0033] As attached Figure 1 , 2 As shown, moving wheels 17 are symmetrically arranged around the bottom of the first water tank 1, a push rod 18 is arranged on one side of the first water tank 1, and a sewage pipe 19 is arranged at a position at the bottom of the first water tank 1 corresponding to the dust removal box 13. The inner cavity of the sewage pipe 19 is connected with the bottom of the inner cavity of the dust removal box 13, which is convenient for movement through the moving wheels 17 and the push rod 18, and the sludge inside the dust removal box 13 is conveniently discharged through the sewage pipe 19.

[0034] As attached Figure 1-3 As shown, the output end of the electric push rod 6 is fixedly connected to the bottom wall of the ventilation pipe 5, and the bottom end of the connecting square tube 4 is fixedly connected to the limiting block 20, the limiting block 20 is arranged in the middle of the square tube 2, the guide plate 9 is arranged between the two fans 7, and the filter plate 10 is located on the side of the top of the dust suction pump 3 away from the guide plate 9. Starting the electric push rod 6 can control the height of the fan 7 for easy adjustment. The upper and lower moving distances of the connecting square tube 4 are limited by the limiting block 20 to improve the use effect. The gas passing through the middle of the ventilation pipe 5 can be filtered by the filter plate 10.

[0035] As attached Figure 1 , 2 As shown, the input end of the liquid pump 11 is connected to the inner cavity of the second water tank 12, and the output end of the liquid pump 11 is connected to the inner cavity of the atomizing nozzle 8. An atomizing nozzle hole is provided in the middle of the atomizing nozzle 8. When the liquid pump 11 is started, liquid is injected into the interior of the atomizing nozzle 8 and sprayed out in an atomized form. The liquid can be diffused into the air by the blowing of the fan 7 to remove dust.

[0036] As attached Figure 1 , 2As shown in Figures 3, 4, and 6, the two sides of the filter plate 10 are symmetrically fixedly connected with the limit card strips 21, the top of the filter plate 10 is fixedly connected with the sealing plate 22, the two filter plates 10 are fitted together, and the middle part of the ventilation pipe 5 corresponding to the limit card strip 21 is provided with a limit card slot 23, the limit card strip 21 is arranged in the middle part of the limit card slot 23, and the limit card strip 21 is stuck in the inside of the limit card slot 23, so as to improve the sealing strength around the installation of the filter plate 10, and facilitate the installation of the filter plate 10 to limit the installation, and facilitate disassembly, installation and use.

[0037] As attached Figure 2-5 As shown, the cleaning mechanism includes a fixed plate 24 fixed to the top of the inner cavity of the ventilation pipe 5, a scraper 25 is arranged at the bottom of the fixed plate 24, a fixed block 26 is fixedly connected to the bottom of the scraper 25, a brush 27 is fixedly connected to one side of the fixed block 26, the bottom ends of the brush 27 and the scraper 25 are both in contact with the wall of the filter plate 10, and the scraper 25 can be used to scrape the wall of the filter plate 10 by pulling the filter plate 10, so that the dust remaining on the surface of the filter plate 10 can be scraped off, and the surface of the filter plate 10 can be cleaned by the brush 27, so as to achieve the cleaning function, facilitate the cleaning of the surface of the filter plate 10, and improve the use effect.

[0038] As attached Figure 2-5 As shown, the cross-sectional shape of the fixed plate 24 is set to be a "U" shape, a stabilizing rod 29 is fixedly connected to the middle of the fixed plate 24, the top of the scraper 25 is fixedly connected to the limiting slider 28, the stabilizing rod 29 passes through the middle of the limiting slider 28, and a spring 30 is sleeved on the end of the stabilizing rod 29 away from the fixed block 26. The spring 30 pushes the limiting slider 28 to improve the cleaning strength of the scraper 25 and the brush 27 on the filter plate 10, and the stabilizing rod 29 improves the connection stability between the fixed plate 24 and the scraper 25, thereby improving the use effect.

[0039] Working principle of the utility model: when in use, the electric push rod 6 is started to control the ventilation pipe 5 to move to a preset height, and the fan 7 is started to allow external air to pass through the middle of the ventilation pipe 5 and be discharged from the other end of the ventilation pipe 5, which is convenient for ventilation. At the same time, the two filter plates 10 in the middle of the ventilation pipe 5 are used to remove dust and filter the gas passing through the middle of the ventilation pipe 5;

[0040] At the same time, the liquid pump 11 is started to spray atomized gas through the atomizing nozzle 8 and spray atomized liquid into the air at the location through the fan 7 to achieve the dust removal effect;

[0041] When the surface of the filter plate 10 needs to be cleaned, the sealing plate 22 is simply pulled to drive the filter plate 10 to move up and down, and the dust suction pump 3 is started to generate suction force on the inside of the fan 7, and the fan 7 and the liquid pump 11 are controlled to stop at this time;

[0042] The surface of the filter plate 10 is cleaned by the scraper 25 and the brush 27, and the dust on the surface of the filter plate 10 automatically falls into the middle of the square tube 2 through the connecting square tube 4, and the dust in the middle of the square tube 2 is input into the dust removal box 13 through the ventilation pipe 15 by the dust suction pump 3, so as to perform dust removal and cleaning, thereby improving the cleaning effect.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An underground mining ventilation and dust removal device, comprising a first water tank (1), characterized in that: A square tube (2), a dust suction pump (3) and a liquid pump (11) are arranged on the top of the first water tank (1); a connecting square tube (4) is inserted on the top of the square tube (2); a ventilation tube (5) is fixedly connected to the top of the connecting square tube (4); fans (7) are symmetrically arranged on both sides of the inner cavity of the ventilation tube (5); and an atomizing nozzle (8) is arranged in the middle of one end of the ventilation tube (5); Two filter plates (10) are inserted in the middle of the ventilation pipe (5), a guide plate (9) is provided between one of the fans (7) and the filter plate (10), electric push rods (6) are symmetrically provided on both sides of the square tube (2), and a cleaning mechanism is provided between the guide plate (9) and the filter plate (10); The inner cavity of the first water tank (1) is divided into a second water tank (12) and a dust removal box (13) by a partition plate, and a porous plate (14) and a ventilation pipe (15) are provided in the middle of the dust removal box (13).

2. The underground mining ventilation and dust removal device according to claim 1 is characterized in that: The input end of the vacuum pump (3) is connected to the inner cavity of the square tube (2), the output end of the square tube (2) is connected to the inner cavity of the ventilation pipe (15), the top of the ventilation pipe (15) is provided with an exhaust hole, and the top of the first water tank (1) is provided with an exhaust hole (16).

3. The underground mining ventilation and dust removal device according to claim 1 is characterized in that: Moving wheels (17) are symmetrically arranged around the bottom of the first water tank (1), a push rod (18) is arranged on one side of the first water tank (1), and a sewage pipe (19) is arranged at a position on the bottom of the first water tank (1) corresponding to the dust removal box (13), and the inner cavity of the sewage pipe (19) is connected to the inner cavity bottom of the dust removal box (13).

4. The underground mining ventilation and dust removal device according to claim 1, characterized in that: The output end of the electric push rod (6) is fixedly connected to the bottom wall of the ventilation pipe (5); the bottom end of the connecting square tube (4) is fixedly connected to a limit block (20); the limit block (20) is arranged in the middle of the square tube (2); the guide plate (9) is arranged between the two fans (7); and the filter plate (10) is located on a side of the top of the dust suction pump (3) away from the guide plate (9).

5. The underground mining ventilation and dust removal device according to claim 1 is characterized in that: The input end of the liquid pump (11) is connected to the inner cavity of the second water tank (12), and the output end of the liquid pump (11) is connected to the inner cavity of the atomizing nozzle (8). An atomizing nozzle hole is provided in the middle of the atomizing nozzle (8).

6. The underground mining ventilation and dust removal device according to claim 1, characterized in that: The two sides of the filter plate (10) are symmetrically fixedly connected to the limit clamping strips (21), the top of the filter plate (10) is fixedly connected to the sealing plate (22), the two filter plates (10) are fitted together, and a limit clamping groove (23) is provided in the middle of the ventilation pipe (5) at a position corresponding to the limit clamping strip (21), and the limit clamping strip (21) is arranged in the middle of the limit clamping groove (23).

7. The underground mining ventilation and dust removal device according to claim 1 is characterized in that: The cleaning mechanism comprises a fixed plate (24) fixed to the top of the inner cavity of the ventilation pipe (5); a scraper (25) is arranged at the bottom of the fixed plate (24); a fixed block (26) is fixedly connected to the bottom of the scraper (25); a brush (27) is fixedly connected to one side of the fixed block (26); the bottom ends of the brush (27) and the scraper (25) are both in contact with the wall of the filter plate (10).

8. The underground mining ventilation and dust removal device according to claim 7, characterized in that: The cross-sectional shape of the fixing plate (24) is set to be "U"-shaped, the middle part of the fixing plate (24) is fixedly connected to a stabilizing rod (29), the top of the scraper (25) is fixedly connected to a limiting slider (28), the stabilizing rod (29) passes through the middle part of the limiting slider (28), and a spring (30) is sleeved on one end of the stabilizing rod (29) away from the fixing block (26).

Citation Information

Patent Citations

  • Ventilation and dust removal device for underground coal mine

    CN214577137U