CN117627716A - An underground mining dust reduction device - Google Patents

Abstract

The invention discloses an underground mining dust reduction device, which relates to the technical field of mining dust reduction. It includes a processing box (1) with an air inlet at one end provided with an exhaust fan (14) and an air outlet at the other end with a filter (4), and The storage box (2) connected to the water outlet at the bottom of the treatment box (1), the water supply tank (16) and the water pump fixedly connected to the upper end of the treatment box (1) are fixed to the upper end surface inside the treatment box (1). The spray box (17) and the driving component that drives the exhaust fan (14) to rotate, the input end of the water pump and the water supply tank (16) are connected, and the output end of the water pump and the spray box (17) are connected connect. This underground mining dust reduction device has dual dust reduction processing and circulation processing functions of spray dust removal and adsorption filtration. It has high dust reduction processing efficiency, can greatly improve the degree of air purification, effectively improves the dust reduction treatment effect during underground mining, and is beneficial to protection operations. Environmentally friendly, saving water resources, and highly practical.

Description

An underground mining dust reduction device

Technical field

The present invention relates to the technical field of mining dust reduction, and in particular to an underground mining dust reduction device.

Background technique

Generally, when mining underground mines, it is necessary to dig tunnels for mining. In the process of tunnel excavation and ore excavation, drilling, blasting, tunnel support, ore excavation and other processes must be carried out. Each process will produce a large amount of rock. Dust and blasting fumes. The current treatment and emission of rock dust and blasting smoke is to use large fans to exhaust the rock dust and blasting smoke into the ground air through return air shafts hundreds of meters deep on the ground and tunnels hundreds to more than a thousand meters long. Only after the gas is completely exhausted can mining personnel enter the tunnel mining operation area for mining operations. This method of using large fans to extract air through ground return shafts and tunnels has a long waiting time, poor dust reduction effect, low efficiency, and a large amount of work, which often affects the mining progress.

At present, in order to improve the efficiency of dust removal, water spraying is generally used to reduce dust. Pipes are installed to spray water or workers push a sprinkler car while walking and spraying water mist to reduce dust. Although this treatment method can improve the efficiency of dust removal to a certain extent, the dust removal space is limited and incomplete. Especially the sewage generated by spraying will cause the surrounding construction environment to become humid, making people feel uncomfortable, and the ground will become slippery due to the sewage. , causing production safety to be affected, and in severe cases, odor will be produced, affecting physical health.

In summary, how to effectively solve the problems of inconvenient dust removal and low dust removal treatment effect in underground mining is an urgent problem for those skilled in the art.

Contents of the invention

The purpose of the present invention is to provide an underground mining dust reduction device, which realizes the dual dust reduction effect of spray dust removal and adsorption filtration, and effectively improves the dust reduction treatment effect in the underground mining process.

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

An underground mining dust reduction device, including a treatment box with an air inlet at one end provided with an exhaust fan and an air outlet at the other end equipped with a filter, a storage box connected to the water outlet at the bottom of the treatment box, and fixedly connected to the upper end of the treatment box The water supply tank and water pump, the spray box fixed on the upper end surface of the treatment box and the driving component that drives the exhaust fan to rotate, the input end of the water pump and the water supply tank are connected, the output end of the water pump and the spray connections between boxes.

Optionally, the height of the filter screen from the ground is greater than two meters, and the centers of the filter screen and the exhaust fan are located on a horizontal straight line.

Optionally, the treatment box is provided with an air inlet hood at the air inlet. The air inlet hood is tapered, and the cross section of the inlet end along its axis is larger than the cross section of the outlet end.

Optionally, the storage box includes an upper cylindrical tube, a middle conical tube and a lower cylindrical outlet, the cross-section of the cylindrical tube is larger than the cross-section of the cylindrical outlet, and the storage box is provided with a rotating shaft in the cylindrical opening. Valve, the lower end of the opening of the rotary valve is provided with a flange or a threaded opening.

Optionally, a guide plate is fixedly provided on the upper surface of the bottom plate of the treatment box. The guide plate is arranged directly below the spray box. The guide plate extends from the air inlet to the water outlet of the treatment box. Tilt downward.

Optionally, the spray box has a hollow structure inside, and a plurality of plum blossom-shaped evenly distributed nozzles are provided at the bottom of the spray box along the axial direction of the treatment box.

Optionally, a movable transport vehicle is also included, the lower end surface of the processing box is fixedly connected to the movable transport vehicle, and a handle is connected to one side of the movable transport vehicle.

Optionally, a main shaft is rotatably connected to the lower end surface of the top plate of the treatment box, a gear box is fixedly installed in the treatment box, and a drive shaft is rotatably connected to one side of the gear box. The main shaft and the outer wall of the drive shaft are respectively A first bevel gear and a second bevel gear are fixedly connected to each other. The second bevel gear meshes with the first bevel gear. The other end of the drive shaft is fixedly connected to the exhaust fan. The main shaft is connected to the drive shaft. Component connections.

Optionally, the lower end of the main shaft passes through the bottom plate of the gear box and into the storage box, and a plurality of connecting rods are fixedly sleeved on the outer wall of the main shaft, and the other ends of the multiple connecting rods located on the same side Fixed connection with scraper;

There are two scrapers in total, and they are arranged symmetrically about the main axis. Both scrapers are arranged to fit the inner wall of the storage box.

Optionally, a first rotating shaft and a second rotating shaft are rotatably connected to the other side of the gear box, and a third bevel gear is fixedly connected to the first rotating shaft, and the third bevel gear is connected to the first bevel gear. The gears mesh, and the outer walls of the first rotating shaft and the second rotating shaft are both fixedly sleeved with pinions. The middle part of the filter screen is rotationally sleeved with the third rotating shaft. The outer walls of the third rotating shaft and the second rotating shaft are both fixedly sleeved. There is a large gear, and the two small gears are meshed with the two large gears respectively. A plurality of cleaning brushes are fixedly connected to the outer walls on both sides of the third rotating shaft, and the plurality of cleaning brushes are respectively fitted to the filter. The outer walls on both sides of the net are set;

A plurality of the cleaning brushes on one side are evenly distributed on the outer wall of the filter screen.

The underground mining dust suppression device provided by the invention includes a processing box, a storage box, a water supply tank and a water pump, a spray box and a driving component. The treatment box is equipped with an air inlet at one end in the horizontal direction and an air outlet at the other end. The exhaust fan is fixedly connected to the air inlet. The exhaust fan actively absorbs and collects the surrounding dust-containing gas, and absorbs the dust-containing gas into the treatment box. The driving component is connected to the exhaust fan, and the driving component provides power to drive the exhaust fan to rotate. The water supply tank and the water pump are fixedly connected to the upper end of the outside of the treatment box, the spray box is fixed to the upper end of the inside of the treatment box, the input end of the water pump and the water supply tank are fixedly connected through pipelines, and the output end of the water pump and the spray box are fixedly connected through pipelines. . The water pump pumps the water in the water supply tank into the spray box through the pipeline to pressurize it, and then sprays it evenly on the dust-containing gas through the nozzle connected to the lower end for dust removal. The filter is connected to the air outlet of the treatment box. The specific filter can be fixedly connected to the air outlet through bolts. The dust-containing gas after spray treatment will be filtered by dust adsorption again through the filter. There is a water outlet at the bottom of the treatment box, and the storage box is connected to the water outlet at the bottom of the treatment box. The generated sewage is directly collected through the storage box and stored in an external sewage treatment tank.

When the underground mining dust reduction device provided by the present invention is used, the driving component drives the exhaust fan to rotate at a high speed, and the exhaust fan actively absorbs and collects the surrounding dust-containing gas, and actively collects the external dust-containing air and inhales it into the treatment box; the water pump is started, and the water supply tank is The water flow inside is pressurized and pumped into the spray box through the pipeline, and is evenly sprayed on the dust-containing gas through the nozzle for dust removal. After the dust-containing gas is sprayed with water for dust removal, it will be subjected to secondary adsorption and filtration through the filter, and then discharged to In the air, the dual dust reduction effect of spray dust removal and adsorption filtration is achieved. The gas discharged after the double dust reduction treatment can also be absorbed and collected again by the exhaust fan for recycling. It can effectively improve the treatment effect of large amounts of rock dust and fine particles in blasting smoke generated during drilling, blasting, tunnel support, and ore excavation in the underground mining process; the sewage generated at the same time is collected and stored in the external sewage through the storage tank In the treatment tank, the sewage can be recycled after sedimentation, filtration and purification.

Compared with the original dust removal method, this device has the following functions and features: It is portable and easy to move and flexible. According to the changes in the production site, it can be moved to different places at any time by manual pushing or locomotive traction; it has the characteristics of large dust reduction space and fast speed. Equipped with a high-power exhaust fan, dust-containing gases from far away surroundings can be quickly and actively collected for processing, with higher processing efficiency; it has the functions of dual dust reduction and circulation processing. The dust-containing gas can be subjected to double dust reduction treatment of spray dust removal and adsorption filtration. The gas discharged after double dust reduction treatment can also be absorbed and collected again by the exhaust fan for recycling. It can greatly improve the degree of air purification, effectively improve the effect of dust removal, and shorten the waiting time for dust removal; it is beneficial to protecting the environment, saving water resources, and reducing costs. The treated sewage is collected and stored in an external sewage treatment tank through a storage tank. After simple sedimentation, filtration and purification, the sewage can be recycled repeatedly. Preventing sewage from polluting the working environment can greatly save production water and reduce costs; it has a wide range of applications and strong practicability. It is not only suitable for relatively closed working spaces underground, but also for centralized and rapid dust removal treatment sites within a certain space on the ground.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic diagram of the external structure of an underground mining dust reduction device provided by a specific embodiment of the present invention.

Figure 2 is a schematic diagram of the internal structure of the underground mining dust reduction device;

Figure 3 is a schematic diagram of the internal structure of the other side of the underground mining dust reduction device;

Figure 4 is a schematic diagram of the internal structure of the gearbox of the underground mining dust reduction device.

The drawings are marked as follows:

Processing box 1; storage box 2; air inlet hood 3; filter 4; spindle 5; connecting rod 6; scraper 7; gear box 8; drive shaft 9; first rotating shaft 10; second rotating shaft 11; large gear 12; Pinion 13; exhaust fan 14; cleaning brush 15; water supply tank 16; spray box 17; deflector 18.

Detailed ways

The core of the present invention is to provide an underground mining dust reduction device. The underground mining dust reduction device has the functions of double dust reduction processing and circulation processing of spray dust removal and adsorption filtration. It has a large dust reduction processing space range, high efficiency, and can effectively improve The effect of dust reduction treatment during underground mining.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Please refer to Figures 1 to 4. Figure 1 is a schematic diagram of the external structure of an underground mining dust reduction device provided in a specific embodiment of the present invention; Figure 2 is a schematic diagram of the internal structure of one side of the underground mining dust reduction device; Figure 3 is a schematic diagram of the underground mining dust reduction device. Schematic diagram of the internal structure of the other side of the dust suppression device; Figure 4 is a schematic diagram of the internal structure of the gear box of the underground mining dust suppression device.

In a specific embodiment, the underground mining dust reduction device provided by the present invention includes a processing box 1 with an air inlet at one end provided with an exhaust fan 14 and an air outlet at the other end provided with a filter 4, and a water outlet at the bottom of the treatment box 1 The connected storage box 2, the water supply tank 16 and the water pump fixedly connected to the upper end of the treatment box 1, the spray box 17 fixed to the upper end surface of the treatment box 1, and the driving component that drives the exhaust fan 14 to rotate, the water pump input end and the water supply tank 16 between the water pump output end and the spray box 17.

In the above structure, the underground mining dust reduction device includes a processing box 1, a storage box 2, a water supply tank 16 and a water pump, a spray box 17 and driving components.

The treatment box 1 is provided with an air inlet at one end in the horizontal direction and an air outlet at the other end. The exhaust fan 14 is fixedly connected to the air inlet. The exhaust fan 14 actively absorbs and collects the surrounding dust-containing gas, and absorbs the dust-containing gas into the air. Disposal box 1. The driving component is connected to the exhaust fan 14 and provides power to drive the exhaust fan 14 to rotate.

The water supply tank 16 and the water pump are fixedly connected to the upper end of the outside of the treatment box 1. The spray box 17 is fixed to the upper end surface of the inside of the treatment box 1. The input end of the water pump and the water supply tank 16 are fixedly connected through pipelines. The output end of the water pump and the spray box 17 are fixedly connected. are fixedly connected through pipes. The water pump pumps the water in the water supply tank 16 into the spray box 17 through the pipeline to pressurize it, and then evenly sprays it on the dust-containing gas through the nozzle connected to its lower end for dust removal.

The filter 4 is connected to the air outlet of the treatment box 1. The specific filter 4 can be fixedly connected to the air outlet through bolts. The dust-containing gas after spraying will be filtered by dust adsorption again through the filter 4.

There is a water outlet at the bottom of the treatment box 1, and the storage box 2 is connected to the water outlet at the bottom of the treatment box 1. The generated sewage is directly collected and stored through the storage box 2.

When the underground mining dust reduction device provided by the present invention is used, the driving component drives the exhaust fan 14 to rotate at a high speed, and the exhaust fan 14 actively absorbs and collects the surrounding dust-containing gas, and actively collects and inhales the external dust-containing air into the treatment box 1; starts the water pump, The water flow in the water supply tank 16 is pressurized and pumped into the spray box 17 through the pipeline, and is evenly sprayed on the dust-containing gas through the nozzle to reduce dust; at the same time, the sewage generated directly flows into the storage tank 2 and is collected and stored in an external sewage treatment tank. , to facilitate centralized processing in the later stage; after the dust-containing gas is sprayed with water for dust removal, it will undergo secondary adsorption and filtration processing through the filter 4, and then be discharged into the air to achieve the dual dust reduction effect of spray dust removal and adsorption filtration. Cooperating with each other, it can effectively improve the treatment effect of large amounts of rock dust and fine particles in blasting smoke generated during drilling, blasting, roadway support, and ore excavation in underground mining. Compared with the original dust removal method, this device can greatly improve the degree of air purification, effectively improve the dust removal treatment effect, shorten the waiting time for dust removal, and has a wide range of processing space. The sewage can be completely collected and treated before recycling, which can save water. Reduce costs, avoid sewage pollution of the construction environment, and improve mining production efficiency. It has wide applicability, is feasible for promotion and application, and is practical.

The above-mentioned underground mining dust reduction device is only a preferred solution and is not limited to this. On this basis, targeted adjustments can be made according to actual needs to obtain different implementations. The height of the filter 4 from the ground is greater than two meters. meters, and the centers of the filter 4 and the exhaust fan 14 are located on a straight horizontal line.

In a specific embodiment, the height of the filter 4 and the exhaust fan 14 is relatively high, more than two meters above the ground, which is higher than the height of ordinary people, to prevent the exhaust gas from blowing directly to workers. Optionally, the centers of the filter 4 and the exhaust fan 14 are located on a horizontal straight line to facilitate gas discharge in the horizontal direction.

On the basis of the above-mentioned specific embodiments, the treatment box 1 is provided with an air inlet hood 3 at the air inlet. The air inlet hood 3 is tapered, and the cross section of the inlet end along its axis is larger than the cross section of the outlet end;

The storage box 2 includes an upper cylindrical tube, a middle tapered tube and a lower cylindrical outlet. The cross-section of the cylindrical tube is larger than the cross-section of the cylindrical outlet. The storage box 2 is provided with a rotary valve in the cylindrical opening, and a flange is provided at the lower end of the opening of the rotary valve. Pan or silk mouth.

In a specific embodiment, an air inlet hood 3 is provided at the air inlet of the treatment box 1. The air inlet hood 3 is tapered, with a large inlet end and a small outlet end close to the exhaust fan 14, which collects gas. , to facilitate the absorption of a large amount of dust-containing gas into the treatment box 1.

The upper part of the storage box 2 is a cylindrical tube, which facilitates the scraper 7 to clean the inner wall. The middle part of the storage box 2 is a tapered cylinder, which connects the cylindrical outlet and the cylindrical cylinder. The lower part of the storage box 2 is a cylindrical outlet. The height of the cylindrical outlet is low and the cross-section of the cylindrical outlet is small. A rotary valve is arranged in the cylindrical opening of the storage box 2. The cylindrical outlet is controlled by the rotary valve to make it on and off, which is convenient to control.

Optionally, a flange or wire port is provided at the lower end of the opening of the rotary valve to facilitate pipeline connection.

On the basis of the above-mentioned specific embodiments, a guide plate 18 is fixedly provided on the upper surface of the bottom plate of the treatment box 1 . The guide plate 18 is arranged directly below the spray box 17 . The guide plate 18 draws air from the air inlet of the treatment box 1 Slope downward from the mouth to the water outlet. The guide plate 18 has a diversion effect, and the dust removal sewage flows along the guide plate 18. The spray dust removal sewage is guided into the storage box 2 through the guide plate 18 to speed up the flow speed of the dust removal sewage.

On the basis of the above-mentioned specific embodiments, the interior of the spray box 17 has a hollow structure. The bottom of the spray box 17 is provided with a number of evenly distributed plum blossom-shaped nozzles along the axial direction of the treatment box 1 .

In a specific embodiment, there are a large number of nozzles, which are evenly distributed along the entire length of the treatment box 1. At the same time, the nozzles of the spray box 17 are plum blossom-shaped, and the water outlet covers a larger area, ensuring that dust-containing gases are discharged in all directions. All can receive spray dust removal.

On the basis of the above-mentioned specific embodiments, a movable transport vehicle is also included. The lower end surface of the processing box 1 is fixedly connected to the movable transport vehicle, and a handle is connected to one side of the movable transport vehicle. It is more convenient and labor-saving to control the movement of the processing box 1 and its components by pushing the movable transport vehicle to move.

On the basis of the above specific embodiments, a main shaft 5 is rotatably connected to the lower end surface of the top plate of the treatment box 1. A gear box 8 is fixedly installed in the treatment box 1. One side of the gear box 8 is rotatably connected to a drive shaft 9. The main shaft 5 and A first bevel gear and a second bevel gear are respectively fixedly connected to the outer wall of the drive shaft 9. The second bevel gear meshes with the first bevel gear. The other end of the drive shaft 9 is fixedly connected to the exhaust fan 14. The main shaft 5 is connected to the driving component. connect.

In a specific embodiment, the driving component is a motor. When in use, the motor drives the main shaft 5 to rotate, and then under the action of the bevel gears meshing with each other, the drive shaft 9 will be driven to rotate at the same time. The drive shaft 9 drives the exhaust fan 14 at high speed. Rotate, the exhaust fan 14 actively absorbs and collects the surrounding dust-containing gas into the treatment box 1, supplies water through the water supply tank 16, uses a water pump to pump the water into the spray box 17 and generates a certain pressure, and sprays it evenly on the dust-containing gas through the nozzle Dust removal is carried out, and the sewage generated at the same time is collected and stored directly through the storage box 2 to facilitate centralized processing in the later stage. At the same time, the dust-containing gas that has been sprayed will be filtered by dust adsorption through the filter 4 and then discharged into the air. The two cooperate with each other to greatly improve the treatment effect of dusty gas. Moreover, the structure is simple, the control is convenient and efficient.

On the basis of the above specific embodiments, the lower end of the main shaft 5 passes through the bottom plate of the gear box 8 and into the storage box 2, and a plurality of connecting rods 6 are fixedly connected to the outer wall of the main shaft 5. The multiple connecting rods 6 located on the same side The other end is fixedly connected with a scraper 7;

There are two scrapers 7 in total, and they are arranged symmetrically about the main axis 5 . Both scrapers 7 are arranged to fit the inner wall of the storage box 2 .

In a specific embodiment, the main shaft 5 drives the connecting rod 6 to rotate, and then the connecting rod 6 drives the scraper 7 to rotate, scraping off the sludge and debris adhered to the inner wall of the storage box 2, and cleaning the inner wall of the storage box 2. Carry out automatic cleaning to avoid sludge adhesion and reduce the difficulty of later cleaning.

On the basis of the above specific embodiments, a first rotating shaft 10 and a second rotating shaft 11 are respectively rotatably connected to the other side of the gear box 8. A third bevel gear is fixedly connected to the first rotating shaft 10, and the third bevel gear is fixedly connected to the first rotating shaft 10. Engaging with the first bevel gear, the outer walls of the first rotating shaft 10 and the second rotating shaft 11 are both fixedly sleeved with pinion gears 13. The middle part of the filter screen 4 is rotatably sleeved with the third rotating shaft. The outer walls of the third rotating shaft and the second rotating shaft 11 are both connected. A large gear 12 is fixedly connected to the sleeve, and the two small gears 13 are meshed with the two large gears 12 respectively. A plurality of cleaning brushes 15 are also fixedly connected to the outer walls of both sides of the third rotating shaft, and the plurality of cleaning brushes 15 fit the filter respectively. Net 4 is provided on both sides of the outer walls.

In a specific embodiment, the bevel gear meshing relationship is used, and the small gear 13 is used to drive the large gear 12 to perform a deceleration movement, so that when the main shaft 5 rotates, the third rotating shaft is driven to rotate, and the third rotating shaft drives the cleaning brush 15 to rotate. Specifically, when the first rotating shaft 10 rotates, it will drive the connected pinion gear 13 to rotate, and then drive the meshed large gear 12 to rotate, and then drive the pinion gear 13 connected to the other end of the second rotating shaft 11 to rotate, and then drive another small gear 13 to rotate. A large gear 12 rotates, and uses the large gear 12 to drive the third rotating shaft of the fixed socket to rotate, and then drives the cleaning brush 15 to rotate through the third rotating shaft. The cleaning brush 15 automatically cleans the inner and outer surfaces of the filter 4 to avoid over time. It increases the mesh holes being clogged by dust, which affects the filtration effect, and increases the service life of the filter 4, which is highly practical.

Optionally, multiple cleaning brushes 15 on one side are evenly distributed on the outer wall of the filter 4. Multiple cleaning brushes 15 clean the filter 4 at the same time. The cleaning is more uniform, the cleaning efficiency is higher, and it is convenient for manual cleaning in the later stage.

Each embodiment in this specification is described in a progressive manner. Each embodiment focuses on its differences from other embodiments. The same and similar parts between the various embodiments can be referred to each other.

The underground mining dust reduction device provided by the present invention has been introduced in detail above. This article uses specific examples to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method and the core idea of the present invention. It should be noted that those skilled in the art can make several improvements and modifications to the present invention without departing from the principles of the present invention, and these improvements and modifications also fall within the scope of the claims of the present invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides an underground mining dust device, its characterized in that, including one end air inlet be equipped with updraft fan (14) and the other end gas outlet be equipped with treatment tank (1) of filter screen (4), with storage tank (2) that treatment tank (1) bottom delivery port is connected, fixed connection are in supply tank (16) and the water pump of treatment tank (1) upper end, be fixed in spray box (17) and the drive of the inside up end of treatment tank (1) updraft fan (14) pivoted drive part, be connected between water pump input and supply tank (16), be connected between water pump output and the spray box (17).

2. Underground mining dust device according to claim 1, characterized in that the filter screen (4) is more than two meters above the ground, and that the centers of the filter screen (4) and the suction fan (14) are located on a horizontal straight line.

3. Underground mining dust device according to claim 1, characterized in that the treatment box (1) is provided with an air inlet hood (3) at the air inlet, the air inlet hood (3) being conical and having a larger cross section at the inlet end than at the outlet end in the direction of its axis.

4. An underground mining dust fall device according to claim 3, characterized in that the storage tank (2) comprises an upper cylinder barrel, a middle cone barrel and a lower cylinder outlet, the section of the cylinder barrel is larger than that of the cylinder outlet, the storage tank (2) is provided with a rotary valve in the cylinder opening, and the lower end of the opening of the rotary valve is provided with a flange or a wire opening.

5. Underground mining dust device according to claim 1, characterized in that the upper end surface of the bottom plate of the treatment box (1) is fixedly provided with a deflector (18), the deflector (18) is arranged at a position right below the spraying box (17), and the deflector (18) is inclined downwards from the air inlet to the water outlet of the treatment box (1).

6. The underground mining dust device according to claim 5, wherein the inside of the spraying box (17) is of a hollow structure, and a plurality of quincuncial nozzles which are uniformly distributed are arranged at the bottom of the spraying box (17) along the axis direction of the treatment box (1).

7. The underground mining dust fall device according to claim 1, further comprising a movable transport vehicle, wherein the lower end surface of the treatment box (1) is fixedly connected to the movable transport vehicle, and a handle is connected to one side of the movable transport vehicle.

8. The underground mining dust fall device according to any one of claims 1 to 7, wherein a main shaft (5) is rotatably connected to the lower end surface of a top plate of the treatment box (1), a gear box (8) is fixedly arranged in the treatment box (1), a driving shaft (9) is rotatably sleeved on one side of the gear box (8), a first bevel gear and a second bevel gear are fixedly sleeved on outer walls of the main shaft (5) and the driving shaft (9) respectively correspondingly, the second bevel gear is meshed with the first bevel gear, the other end of the driving shaft (9) is fixedly sleeved with an exhaust fan (14), and the main shaft (5) is connected with the driving part.

9. The underground mining dust device according to claim 8, wherein the lower end of the main shaft (5) penetrates through the bottom plate of the gear box (8) and is communicated into the storage box (2), a plurality of connecting rods (6) are fixedly sleeved on the outer wall of the main shaft (5), and scraping plates (7) are fixedly connected to the other ends of the connecting rods (6) located on the same side;

the two scrapers (7) are arranged symmetrically relative to the main shaft (5), and the two scrapers (7) are attached to the inner wall of the storage box (2).

10. The underground mining dust fall device according to claim 9, wherein a first rotating shaft (10) and a second rotating shaft (11) are respectively and rotatably sleeved on the other side of the gear box (8), a third bevel gear is correspondingly and fixedly sleeved on the first rotating shaft (10), the third bevel gear is meshed with the first bevel gear, a pinion (13) is fixedly sleeved on the outer walls of the first rotating shaft (10) and the second rotating shaft (11), a large gear (12) is fixedly sleeved on the middle part of the filter screen (4) and rotatably sleeved on the third rotating shaft, two small gears (13) are respectively and fixedly sleeved on the outer walls of the third rotating shaft and the second rotating shaft (11), a plurality of cleaning brushes (15) are fixedly sleeved on the outer walls of two sides of the third rotating shaft, and the cleaning brushes (15) are respectively attached to the outer walls of two sides of the filter screen (4);

the cleaning brushes (15) on one side are uniformly distributed on the outer wall of the filter screen (4).