Dust removal filtering device for ventilation safety of coal mine
Through the design of a multi-stage filtration system and rainwater tank, the problems of incomplete dust removal, low efficiency and waste of water resources in existing coal mine ventilation and dust removal equipment have been solved, and efficient and environmentally friendly dust removal effects have been achieved.
Patent Information
- Application Number
- CN202422581240.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-24
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-10-24
AI Technical Summary
The existing coal mine ventilation and dust removal equipment has a single structure, incomplete dust removal, low efficiency, and the use of external water sources leads to a large amount of water, which is not conducive to environmental protection.
A multi-stage filtration system is adopted, including screen plates, rainwater tanks, spray pipes and drying plates. Multi-stage filtration and dust reduction are achieved through a servo motor drive fan and gear system. The rainwater tank is used to store water sources, reduce the amount of water used, and remove moisture in the air through the drying plates to improve ventilation efficiency.
It achieves a more thorough dust removal effect, reduces dust residue in the air after dust removal, saves water resources, and improves the efficiency and environmental protection of ventilation equipment.
Smart Images

Figure CN223190472U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of dust removal and filtration for coal mine ventilation safety, in particular to a dust removal and filtration device for coal mine ventilation safety. Background Art
[0002] Coal mines are areas where humans mine coal resources in coal-rich mining areas. They are generally divided into underground coal mines and open-pit coal mines. The vast majority of coal mines in my country are underground coal mines. During underground coal mining, the air in the mine will be mixed with a lot of dust particles. Miners inhaling a large amount of dust particles will cause damage to their lungs. At the same time, a large amount of dust also pollutes the environment. In order to reduce the dust particles in the air, the air in the mine needs to be dust-removed and filtered.
[0003] Most of the existing dust removal and filtration equipment used for coal mine ventilation has a relatively simple structure. Generally, a simple dust removal method is adopted for single filtration of air. The dust removal is not thorough enough and the efficiency is low, which easily leads to a lot of dust remaining in the air after dust removal. In addition, the existing equipment generally uses an external water source for dust removal, which consumes a lot of water and is not conducive to environmental protection.
[0004] Therefore, those skilled in the art provide a dust removal and filtering device for coal mine ventilation safety to solve the problems raised in the above background technology. Utility Model Content
[0005] In order to improve the problem that most of the existing dust removal and filtering equipment used for coal mine ventilation have a relatively simple structure, the dust removal is not thorough enough and the efficiency is low, which easily leads to a lot of dust remaining in the air after dust removal. An external water source is generally used for dust removal, and the large water consumption is not conducive to environmental protection. The utility model provides a dust removal and filtering device for coal mine ventilation safety.
[0006] The utility model provides a dust removal and filtering device for coal mine ventilation safety, which adopts the following technical solutions:
[0007] A dust removal and filtering device for coal mine ventilation safety comprises a base, wherein a first filter mechanism is provided on the top of the base, the first filter mechanism includes a first filter box, the first filter box is fixedly connected to the base, one side of the first filter box is communicated with an air inlet tube, the inner cavity of the first filter box is slidably connected with a screen plate, a first mounting cover is fixedly installed on the other side of the first filter box, a first servo motor is fixedly installed on the inner cavity of the first mounting cover, a first fan is fixedly installed on the output shaft of the first servo motor, a second filter mechanism is provided on the top of the base, the second filter mechanism includes a dust removal box, the dust removal box is fixedly connected to the base, a rainwater tank is fixedly installed on the top of the dust removal box, a water pump is fixedly installed on the top of the dust removal box, an input end of the water pump is communicated with the rainwater tank, an output end of the water pump is communicated with an L-shaped water pipe, and one end of the L-shaped water pipe is communicated with the first water supply pipe. One end of the first water pipe is connected to a rotary joint, one end of the rotary joint is connected to the second water pipe, a first gear is fixedly installed on the surface of the second water pipe, both sides of one end of the second water pipe are connected to a spray pipe, an atomizing nozzle is fixedly installed on the surface of the spray pipe, a second servo motor is fixedly installed on one side of the dust removal box, a rotating shaft is fixedly installed on the output shaft of the second servo motor, a second gear is fixedly installed on the surface of one end of the rotating shaft, the second gear is meshed with the first gear, a third filter mechanism is provided on the other side of the dust removal box, the third filter mechanism includes a second filter box, the second filter box is connected to the dust removal box, a drying plate is slidably connected to the inner cavity of the second filter box, a second mounting cover is fixedly installed on the top of the drying plate, a third servo motor is fixedly installed in the inner cavity of the second mounting cover, and a second fan is fixedly installed on the output shaft of the third servo motor.
[0008] By adopting the above technical solution, a first filtering mechanism is set up, in which the screen plate can filter out large particles of dust in the air, the first servo motor is turned on to drive the first fan to rotate, and the air is drawn into the device for dust removal and filtration. A second filtering mechanism is set up, in which the rainwater tank can store rainwater, which is convenient for saving water resources and benefiting the environment. By turning on the second servo motor, the second gear can be driven to rotate, thereby driving the first gear to rotate and causing the spray pipe to rotate, so that the water mist sprayed from the atomizing nozzle can be evenly distributed over the inner cavity of the dust removal box, thereby achieving the purpose of dust reduction for the air passing through the dust removal box. A third filtering mechanism is set up, in which the drying plate can filter and dry the moisture in the air, and the third servo motor is turned on to drive the second fan to rotate, so as to enhance air flow and increase ventilation efficiency.
[0009] Optionally, slide grooves are provided on both sides of the inner cavities of the first filter box and the second filter box, and access panels are fixedly installed on one side of the first filter box and the second filter box by screws.
[0010] By adopting the above technical solution, the screen plate and the drying plate can be easily installed through the slide groove, the screen plate and the drying plate can be easily replaced by opening the maintenance panel, and the dust accumulated in the first filter box and the second filter box can be easily cleaned.
[0011] Optionally, a box cover is provided on the top of the rainwater tank, and a filter is fixedly installed on the top of the box cover.
[0012] By adopting the above technical solution, the cleanliness of the rainwater tank can be kept through the tank cover, and the filter can filter the rainwater falling into the rainwater tank to prevent impurities from falling into the rainwater tank.
[0013] Optionally, a guide plate is provided at the bottom of the dust removal box, and a drain pipe is connected to the bottom of the other side of the dust removal box.
[0014] By adopting the above technical solution, the sewage in the dust removal box can be guided to the drain pipe through the guide plate, so as to avoid the accumulation of sewage in the dust removal box, and the drain pipe is convenient for discharging the sewage.
[0015] Optionally, the first mounting cover and the second mounting cover are both hollow frames, and the surfaces of the output shafts of the first servo motor and the third servo motor are rotatably connected to bearings.
[0016] By adopting the above technical solution, the hollow frame can reduce the obstruction to the air and improve the air circulation efficiency, and the bearing can reduce the wear of the components on the frame.
[0017] Optionally, a support frame is fixedly mounted on the top of the base, and an armrest is fixedly mounted on the side of one end of the support frame.
[0018] By adopting the above technical solution, the equipment can be supported by the support frame and the armrest, which makes it easier to control the direction when the equipment moves.
[0019] Optionally, the four corners of the bottom of the base are movably connected to universal wheels, and one side of the universal wheel is movably connected to a brake pad.
[0020] By adopting the above technical solution, the equipment can be easily moved to a designated position through the universal wheels, and the brake pads can fix the equipment to avoid safety hazards caused by movement during operation of the equipment.
[0021] Optionally, the first water pipe is rotatably connected to a rotary joint, and a positioning joint for use with the rotary joint is provided at the bottom of the first water pipe.
[0022] By adopting the above technical solution, the connection between the first water pipe and the rotary joint is facilitated by the positioning joint, so that the rotary joint can rotate in the first water pipe without affecting the circulation of water.
[0023] In summary, the present invention has the following beneficial effects:
[0024] 1. The utility model sets a first filtering mechanism, in which the screen plate can filter out large particles of dust in the air, turns on the first servo motor to drive the first fan to rotate, and draws air into the device for dust removal and filtration; sets a second filtering mechanism, in which the rainwater tank can store rainwater, which is convenient for saving water resources and benefiting the environment; turns on the second servo motor to drive the second gear to rotate, thereby driving the first gear to rotate and causing the spray pipe to rotate, so that the water mist sprayed from the atomizing nozzle can be evenly distributed over the inner cavity of the dust removal box, thereby achieving the purpose of dust reduction for the air passing through the dust removal box; sets a third filtering mechanism, in which the drying plate can filter and dry the moisture in the air; turns on the third servo motor to drive the second fan to rotate, so as to enhance air flow and increase ventilation efficiency.
[0025] 2. The utility model makes it easy to install the screen plate and the drying plate through the slide groove, and opening the inspection panel makes it easy to replace the screen plate and the drying plate, and it is also convenient to clean the dust accumulated in the first filter box and the second filter box, and the box cover can keep the rainwater box clean, and the filter can filter the rainwater falling into the rainwater box to prevent impurities from falling into the rainwater box, and the sewage in the dust collection box can be guided to the drain pipe through the guide plate to prevent sewage from accumulating in the dust collection box, and the drain pipe is convenient for discharging sewage, and the hollow frame can reduce the obstruction of air and improve the air circulation efficiency, and the bearing can reduce the wear of the components on the frame, and the support frame and handrail can support the equipment, which is convenient for controlling the direction when the equipment is moved, and the universal wheel can make it easy to move the equipment to a specified position, and the brake pad can fix the equipment to avoid safety hazards caused by movement during operation, and the positioning joint is convenient for connecting the first water pipe and the rotary joint, so that the rotary joint can rotate in the first water pipe without affecting the water flow. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is an isometric view of the utility model.
[0027] Figure 2 It is a schematic cross-sectional view of the structure of the utility model.
[0028] Figure 3 It is an enlarged structural diagram of point A of the present utility model.
[0029] Figure 4 It is a top view schematic diagram of the utility model.
[0030] Description of reference numerals:
[0031] 1. Base; 2. First filter mechanism; 201. First filter box; 202. Air inlet; 203. Screen plate; 204. First mounting cover; 205. First servo motor; 206. First fan; 3. Second filter mechanism; 301. Dust removal box; 302. Rainwater tank; 303. Tank cover; 304. Filter; 305. Water pump; 306. L-shaped water pipe; 307. First water pipe; 308. Rotary joint; 3 09. Second water pipe; 310. First gear; 311. Spray pipe; 312. Atomizing nozzle; 313. Second servo motor; 314. Rotating shaft; 315. Second gear; 316. Drain pipe; 4. Third filtering mechanism; 401. Second filter box; 402. Drying plate; 403. Second mounting cover; 404. Third servo motor; 405. Second fan; 5. Support frame; 6. Handrail; 7. Universal wheel. DETAILED DESCRIPTION
[0032] The following is combined with Figure 1-4 This application is described in further detail.
[0033] Example 1:
[0034] Please refer to Figure 1-4 , a dust removal and filtering device for coal mine ventilation safety, includes a base 1, a first filter mechanism 2 is provided on the top of the base 1, the first filter mechanism 2 includes a first filter box 201, the first filter box 201 is fixedly connected to the base 1, one side of the first filter box 201 is connected to the air inlet tube 202, the inner cavity of the first filter box 201 is slidably connected with a screen plate 203, the other side of the first filter box 201 is fixedly installed with a first mounting cover 204, the inner cavity of the first mounting cover 204 is fixedly installed with a first servo motor 205, the output shaft of the first servo motor 205 is fixedly installed with a first fan 206, and the other side of the dust removal box 301 is provided with a third filter mechanism 4, the third filter mechanism 4 includes a second filter box 401, the second filter box 401 is connected to the dust removal box 301, and the inner cavity of the second filter box 401 is slidably connected There is a drying plate 402, and a second mounting cover 403 is fixedly installed on the top of the drying plate 402, and a third servo motor 404 is fixedly installed in the inner cavity of the second mounting cover 403, and a second fan 405 is fixedly installed on the output shaft of the third servo motor 404. Slide grooves are provided on both sides of the inner cavity of the first filter box 201 and the second filter box 401, and an inspection plate is fixedly installed on one side of the first filter box 201 and the second filter box 401 by screws. The first mounting cover 204 and the second mounting cover 403 are both hollow frames, and the surfaces of the output shafts of the first servo motor 205 and the third servo motor 404 are rotatably connected to bearings, a support frame 5 is fixedly installed on the top of the base 1, and an armrest 6 is fixedly installed on the side of one end of the support frame 5, and the four corners of the bottom of the base 1 are movably connected with universal wheels 7, and one side of the universal wheel 7 is movably connected with a brake pad.
[0035] In this embodiment: by setting a first filtering mechanism 2, wherein the screen plate 203 can filter out large particles of dust in the air, turning on the first servo motor 205 to drive the first fan 206 to rotate, and drawing air into the device for dust removal and filtration, by setting a third filtering mechanism 4, wherein the drying plate 402 can filter and dry the moisture in the air, turning on the third servo motor 404 to drive the second fan 405 to rotate, it is convenient to enhance air flow and increase ventilation efficiency, the screen plate 203 and the drying plate 402 are convenient to install through the slide, and the maintenance panel is convenient to replace the screen plate 203 and the drying plate 402, and it is convenient to clean the dust accumulated in the first filter box 201 and the second filter box 401, the hollow frame can reduce the obstruction of air and improve the air circulation efficiency, the bearing can reduce the wear of the components on the frame, the support frame 5 and the handrail 6 can support the equipment, and it is convenient to control the direction when the equipment moves, and the universal wheel 7 can facilitate the movement of the equipment to the specified position, and the brake pad can fix the equipment to avoid safety hazards caused by movement during equipment operation.
[0036] Example 2:
[0037] Reference Figure 1 、 Figure 2 and Figure 4 A second filtering mechanism 3 is provided on the top of the base 1. The second filtering mechanism 3 includes a dust removal box 301. The dust removal box 301 is fixedly connected to the base 1. A rainwater tank 302 is fixedly installed on the top of the dust removal box 301. A water pump 305 is fixedly installed on the top of the dust removal box 301. The input end of the water pump 305 is connected to the rainwater tank 302. The output end of the water pump 305 is connected to an L-shaped water pipe 306. One end of the L-shaped water pipe 306 is connected to a first water pipe 307. One end of the first water pipe 307 is connected to a rotary joint 308. One end of the rotary joint 308 is connected to a second water pipe 309. A first gear 310 is fixedly installed on the surface of the second water pipe 309. Both sides of one end of the second water pipe 309 are connected to a spray pipe 311 An atomizing nozzle 312 is fixedly installed on the surface of the spray pipe 311, a second servo motor 313 is fixedly installed on one side of the dust removal box 301, and a rotating shaft 314 is fixedly installed on the output shaft of the second servo motor 313. A second gear 315 is fixedly installed on the surface of one end of the rotating shaft 314, and the second gear 315 is meshed with the first gear 310. A box cover 303 is provided on the top of the rainwater tank 302, and a filter screen 304 is fixedly installed on the top of the box cover 303. A guide plate is provided at the bottom of the dust removal box 301, and a drain pipe 316 is connected to the bottom of the other side of the dust removal box 301. The first water pipe 307 is rotatably connected to the rotary joint 308, and a positioning joint used in conjunction with the rotary joint 308 is provided at the bottom of the first water pipe 307.
[0038] In this embodiment, a second filtering mechanism 3 is provided, wherein the rainwater tank 302 can store rainwater, which is convenient for saving water and beneficial to environmental protection. By turning on the second servo motor 313, the second gear 315 can be driven to rotate, thereby driving the first gear 310 to rotate and causing the spray pipe 311 to rotate, so that the water mist sprayed from the atomizing nozzle 312 can be evenly distributed over the inner cavity of the dust removal box 301, thereby achieving the purpose of reducing dust in the air passing through the dust removal box 301. The box cover 303 can keep the rainwater tank 302 clean. The filter 304 can filter the rainwater falling into the rainwater tank 302 to prevent impurities from falling into the rainwater tank 302. The sewage in the dust removal box 301 can be guided to the drain pipe 316 by the guide plate to avoid the accumulation of sewage in the dust removal box 301. The drain pipe 316 facilitates the discharge of sewage. The positioning joint facilitates the connection between the first water pipe 307 and the rotary joint 308, so that the rotary joint 308 can rotate in the first water pipe 307 without affecting the circulation of water.
[0039] The implementation principle of the present invention is as follows: when in use, the first servo motor 205 is turned on, and air enters the first filter box 201 from the air inlet 202. The larger dust particles in the air are filtered by the screen plate 203 and fall into the bottom of the first filter box 201. The top of the rainwater tank 302 is covered with a box cover 303. Rainwater is filtered by the filter screen 304 and flows into the rainwater tank 302 for accumulation. The water pump 305 is turned on, and the clean rainwater in the rainwater tank 302 is extracted by the water pump 305 and input into the first water pipe 307 through the L-shaped water pipe 306. The second servo motor 313 is turned on to rotate the rotating shaft 314. The rotation of the rotating shaft 314 drives the second gear 315 to rotate. Since the second gear 315 is engaged with the first gear 310, the second water pipe 309 is driven to rotate. , causing the spray pipe 311 to rotate, the first water pipe 307 is connected to the second water pipe 309 and the spray pipe 311 through the rotary joint 308, and water is sprayed through the atomizing nozzle 312 to reduce dust in the air in the dust removal box 301, and the sewage mixed with fine dust particles is discharged through the drain pipe 316. The third servo motor 404 is turned on to drive the second fan 405 to rotate, and air with water vapor is drawn into the second filter box 401, dried and filtered by the drying plate 402, and the clean and dry air after the dust reduction filtration is blown out by the second fan 405. The inspection panel on one side of the first filter box 201 and the second filter box 401 can be opened to clean the dust accumulated in the first filter box 201 and the second filter box 401, and to facilitate the replacement of the screen plate 203 and the drying plate 402.
[0040] The above are all preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.
Claims
1. A dust removal and filtering device for coal mine ventilation safety, comprising a base (1), characterized in that: A first filter mechanism (2) is provided on the top of the base (1), the first filter mechanism (2) comprises a first filter box (201), the first filter box (201) is fixedly connected to the base (1), one side of the first filter box (201) is connected to an air inlet tube (202), the inner cavity of the first filter box (201) is slidably connected to a screen plate (203), a first mounting cover (204) is fixedly installed on the other side of the first filter box (201), a first servo motor (205) is fixedly installed in the inner cavity of the first mounting cover (204), and a first fan (206) is fixedly installed on the output shaft of the first servo motor (205); A second filtering mechanism (3) is provided on the top of the base (1), and the second filtering mechanism (3) includes a dust removal box (301), the dust removal box (301) is fixedly connected to the base (1), a rainwater tank (302) is fixedly installed on the top of the dust removal box (301), a water pump (305) is fixedly installed on the top of the dust removal box (301), an input end of the water pump (305) is connected to the rainwater tank (302), an output end of the water pump (305) is connected to an L-shaped water pipe (306), one end of the L-shaped water pipe (306) is connected to a first water pipe (307), one end of the first water pipe (307) is connected to a rotary joint (308), and the rotary joint (309) is connected to the first water pipe (307). One end of the adapter (308) is connected to a second water pipe (309), a first gear (310) is fixedly mounted on the surface of the second water pipe (309), both sides of one end of the second water pipe (309) are connected to a spray pipe (311), an atomizing nozzle (312) is fixedly mounted on the surface of the spray pipe (311), a second servo motor (313) is fixedly mounted on one side of the dust removal box (301), a rotating shaft (314) is fixedly mounted on the output shaft of the second servo motor (313), a second gear (315) is fixedly mounted on the surface of one end of the rotating shaft (314), and the second gear (315) is meshed with the first gear (310); A third filter mechanism (4) is provided on the other side of the dust removal box (301), and the third filter mechanism (4) includes a second filter box (401), the second filter box (401) is communicated with the dust removal box (301), the inner cavity of the second filter box (401) is slidably connected to a drying plate (402), a second mounting cover (403) is fixedly installed on the top of the drying plate (402), a third servo motor (404) is fixedly installed in the inner cavity of the second mounting cover (403), and a second fan (405) is fixedly installed on the output shaft of the third servo motor (404).
2. A dust removal and filtering device for coal mine ventilation safety according to claim 1, characterized in that: Slide grooves are provided on both sides of the inner cavity of the first filter box (201) and the second filter box (401), and an inspection plate is fixedly installed on one side of the first filter box (201) and the second filter box (401) by screws.
3. The dust removal and filtering device for coal mine ventilation safety according to claim 1, characterized in that: The top of the rainwater tank (302) is provided with a tank cover (303), and the top of the tank cover (303) is fixedly mounted with a filter screen (304).
4. The dust removal and filtering device for coal mine ventilation safety according to claim 1, characterized in that: A guide plate is provided at the bottom of the dust removal box (301), and a drain pipe (316) is connected to the bottom of the other side of the dust removal box (301).
5. The dust removal and filtering device for coal mine ventilation safety according to claim 1, characterized in that: The first mounting cover (204) and the second mounting cover (403) are both hollow frames, and the surfaces of the output shafts of the first servo motor (205) and the third servo motor (404) are both rotatably connected with bearings.
6. The dust removal and filtering device for coal mine ventilation safety according to claim 1, characterized in that: A support frame (5) is fixedly mounted on the top of the base (1), and a handrail (6) is fixedly mounted on the side of one end of the support frame (5).
7. The dust removal and filtering device for coal mine ventilation safety according to claim 1, characterized in that: The four corners of the bottom of the base (1) are movably connected to universal wheels (7), and one side of the universal wheel (7) is movably connected to a brake pad.
8. The dust removal and filtering device for coal mine ventilation safety according to claim 1, characterized in that: The first water pipe (307) is rotatably connected to the rotary joint (308), and a positioning joint for use with the rotary joint (308) is provided at the bottom of the first water pipe (307).