Mine dust filtering device and filtering method thereof

Abstract

The invention discloses a mine dust filtering device and a filtering method thereof, and belongs to the technical field of mine dust treatment equipment, a plurality of collecting rollers are arranged in a roller placement area, a plurality of adsorption filter bags are arranged on each first supporting plate, and a driving mechanism is arranged in each side supporting shell. Dust is sequentially sucked into a dust communicating area and collecting rollers, a first fan blows the dust on an upper supporting shell into the multiple rotating collecting rollers, then the dust enters a cavity in a side supporting shell, an adsorption filter bag filters the dust, fine particles enter the adsorption filter bag, and large-particle dust is attached to the outer surface of the adsorption filter bag; the dust scraping plate scrapes dust on the outer surface of the adsorption filter bag, the scraped dust falls on the dust conveying belt, the spiral roller conveys the dust into the dust storage area to be collected, the mine dust can be filtered and collected in an omnibearing and high-efficiency mode, mine dust pollution is effectively controlled, the working environment is improved, and the health of workers is protected.

Description

Technical Field

[0001] The invention belongs to the technical field of mine dust processing equipment, and in particular relates to a mine dust filtering device and a filtering method thereof. Background Art

[0002] Mine dust is fine particles of solid matter produced during the production process of the mine. Coal mines emit a large amount of dust into the air during production, storage, transportation and tunneling. Dust can cause serious harm to the human body. If people inhale dust for a long time, it will cause pulmonary fibrosis and lead to pneumoconiosis. At the same time, under certain conditions, underground dust will cause coal dust explosion, causing casualties and serious damage to mine equipment, resulting in serious mine disasters.

[0003] Therefore, a mine dust filtration device is needed to treat dust in the mine environment. The main purpose is to reduce the amount of dust exposed to miners, prevent dust pollution and protect the health of workers, and effectively filter and clean the dust generated in coal mine production. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the disadvantages of the above-mentioned prior art and provide a mine dust filtering device and a filtering method thereof which can filter and collect dust in an all-round and efficient manner.

[0005] The technical solution adopted to solve the above technical problems is: a plurality of interconnected lower support shells are arranged on the ground in the mine, each lower support shell is respectively provided with a partition which divides the interior of the lower support shell into a dust connection area, a dust storage area and a drum placement area, the top surface of each lower support shell is respectively uniformly processed with a second dust suction hole, a plurality of collecting rollers for collecting dust are rotatably installed in the drum placement area, each collecting roller is uniformly processed with its third dust suction holes which are interconnected in the circumferential direction, the plurality of third dust suction holes on each collecting roller are respectively interconnected with the corresponding second dust suction holes during the rotation process, a plurality of second through holes which are respectively interconnected with the dust connection area are processed on the partition, and a corresponding second through hole is respectively processed at one end of each collecting roller The fourth dust suction hole is interconnected with the holes, and the other end of each collecting roller is respectively processed with a second dust outlet hole which is interconnected with each other. A side support shell is respectively arranged on one side of each lower support shell, and a first support plate is respectively arranged inside each side support shell. Multiple adsorption filter bags are rotatably mounted on each first support plate, and a scraping plate for scraping dust on the circumferential side wall of the adsorption filter bag is arranged at the bottom of the first support plate. A cavity is formed between the bottom of the first support plate in the side support shell and the bottom plate of the side support shell, the second dust outlet holes on the multiple collecting rollers are respectively interconnected with the inlet end of the cavity, and the outlet end of the cavity is interconnected with the inlet end of the dust storage area, and a driving mechanism for driving the multiple collecting rollers and the multiple adsorption filter bags to rotate is respectively arranged inside each side support shell.

[0006] Furthermore, each of the lower supporting shells is processed with a first dust suction hole on one side for dust to enter, and a second fan for sucking dust into the dust communication area is rotatably installed in the first dust suction hole, and each of the lower supporting shells is processed with a first through hole on the other side that is interconnected with the adjacent lower supporting shell, and the first dust suction hole and the first through hole are respectively interconnected with the dust communication area; each of the side supporting shells is respectively provided with an upper supporting shell located above the lower supporting shell, and each of the upper supporting shells is respectively provided with a plurality of first supporting frames, and each of the first supporting frames is respectively provided with a first fan rotatably installed on it, and each of the first supporting frames is respectively provided with a second motor that drives the first fan to rotate, and each of the upper supporting shells is respectively and evenly processed with an air blowing port located below the first fan on the bottom plate.

[0007] Furthermore, each of the lower support shells is detachably provided with a first cover plate located above the dust storage area, and each of the side support shells is detachably provided with a second cover plate located on one side of the adsorption filter bag, and each adsorption filter bag is connected to the second support frame via a throat clamp.

[0008] Furthermore, a connecting shell located below the adsorption filter bag is provided inside the side support shell, a plurality of dust inlet holes connected to each other are processed on the bottom of the connecting shell, a plurality of first dust outlet holes connected to each other are processed on the side of the connecting shell, the dust inlet holes are connected to the outlet ends of the second dust outlet holes on the plurality of collecting rollers, and the dust inlet holes are connected to the cavity.

[0009] Furthermore, a second support plate is provided at the bottom of the side support shell, and a first transmission roller and a second transmission roller are rotatably installed between the second support plate and the connecting shell, the first transmission roller is transmission-connected to the second transmission roller through a dust conveyor belt, the dust conveyor belt is located below a plurality of adsorption filter bags, and dust-sweeping plates for transporting dust are evenly arranged on the dust conveyor belt, the second transmission roller is transmission-connected to the driving mechanism, a connecting cylinder which is interconnected is provided at the outlet end of the outermost collecting roller, a third dust outlet hole which is interconnected with the dust inlet hole is processed on the connecting cylinder, the connecting cylinder is fixedly connected to the first transmission roller, and a second gear which is meshing and transmission with each other is respectively provided at one end of each collecting roller.

[0010] Furthermore, a spiral roller located at the outlet end of the dust conveyor belt is rotatably installed in the side support shell, the spiral roller is transmission connected to the driving mechanism, a first connecting shaft is provided at one end of the spiral roller, the first connecting shaft is fixedly connected to one end of the second connecting shaft through a first coupling, the second connecting shaft is rotatably connected to the interior of the lower support shell, a plurality of levers located inside the dust communication area are provided on the second connecting shaft, the other end of the second connecting shaft is fixedly connected to the fourth connecting shaft through a second coupling, the fourth connecting shaft is rotatably connected to the partition, a third bevel gear is provided at one end of the fourth connecting shaft, a third connecting shaft is rotatably installed inside the lower support shell, a fourth bevel gear meshing with the third bevel gear is provided on the third connecting shaft, and the third connecting shaft is fixedly connected to the second fans at both ends respectively.

[0011] Furthermore, the driving mechanism is as follows: a first motor that drives the first transmission wheel to rotate is arranged on the fixed plate in the side support shell, the first transmission wheel is rotatably connected to the fixed plate, a coaxially connected second transmission wheel, a fourth transmission wheel and a first bevel gear are rotatably installed on the fixed plate, the first transmission wheel is transmission-connected to the fourth transmission wheel through a first conveyor belt, one end of the spiral roller is coaxially fixedly connected to the sixth transmission wheel and the third transmission wheel, the second transmission wheel is transmission-connected to the third transmission wheel through the third conveyor belt, one end of the second transmission roller is fixedly connected to the fifth transmission wheel, and the sixth transmission wheel is transmission-connected to the fifth transmission wheel through the second conveyor belt.

[0012] Furthermore, the first bevel gear is meshed with the second bevel gear for transmission, the second bevel gear is fixedly connected to the bottom of the rotating shaft, the rotating shaft is rotatably connected to the first support plate, a turntable is provided on the top of the rotating shaft, the turntable is eccentrically rotatably connected to one end of the eccentric shaft, and the other end of the eccentric shaft is rotatably connected to the rack, a plurality of fixed guide rails are provided on the first support plate, and the plurality of fixed guide rails are respectively slidably connected to the rack in a horizontal direction, and a first gear meshed with the rack for transmission is provided on the top of the second support frame.

[0013] A filtering method using a filtering device for filtering mine dust comprises the following steps: S1, dust absorption: the second fan in the dust connection area rotates to suck the dust into the dust connection area through the first dust suction hole of the lower support shell, and the dust in the dust connection area respectively passes through the multiple second through holes of the partition and the fourth dust suction holes of the multiple collecting rollers into the corresponding collecting rollers in turn, the driving mechanism drives the outermost collecting roller to rotate, and the second gears on the two adjacent collecting rollers are meshed with each other to drive the multiple collecting rollers to rotate. During the rotation of the collecting roller, the multiple third dust suction holes on the collecting roller are respectively connected to the second dust suction holes on the lower support shell, and the multiple second motors on the upper support shell respectively drive the first fan to rotate. During the rotation of the first fan, the dust on the lower support shell is sequentially passed through the second dust suction hole and the third dust suction hole into the collecting roller, and the dust in each collecting roller flows out through the second dust outlet hole, and the collection roller on the outermost side sequentially flows out through the second dust outlet hole and the third dust outlet hole on the connecting cylinder, and the dust enters the connecting shell through the multiple dust inlet holes at the bottom of the connecting shell, and the dust enters the cavity through the multiple first dust outlet holes on the side of the connecting shell; S2, dust adsorption and filtration: multiple adsorption filter bags in the cavity respectively absorb dust into the adsorption filter bags to filter the dust, and the remaining dust adheres to the outer surface of the adsorption filter bags. The driving mechanism drives the multiple adsorption filter bags to rotate. During the rotation of the adsorption filter bags, the dust scraping plates scrape the dust on the outer surface of the adsorption filter bags, and the scraped dust falls on the dust conveyor belt. The driving mechanism drives the second transmission roller to rotate, and the second transmission roller and the first transmission roller drive the dust conveyor belt to drive. The multiple dust sweeping plates on the dust conveyor belt transport the dust to a position close to the spiral roller; S3, transport and collect dust: the driving mechanism drives the spiral roller to rotate, the spiral roller transports the dust to the dust storage area, the spiral roller drives the first connecting shaft, the first coupling, the second coupling and the fourth connecting shaft to rotate, and the second connecting shaft drives multiple levers to rotate to move and collect the dust.

[0014] Furthermore, the method in which the driving mechanism in step S1 drives the outermost collecting roller to rotate is as follows: the output shaft of the first motor drives the first transmission wheel to rotate, the first transmission wheel drives the fourth transmission wheel to rotate through the first conveyor belt, the fourth transmission wheel coaxially drives the second transmission wheel to rotate, the second transmission wheel drives the third transmission wheel to rotate through the third conveyor belt, the third transmission wheel drives the sixth transmission wheel to rotate, the sixth transmission wheel drives the fifth transmission wheel to rotate through the second conveyor belt, the fifth transmission wheel drives the second transmission roller to rotate, the second transmission roller drives the first transmission roller to rotate through the dust conveyor belt, the first transmission roller drives one of the collecting rollers to rotate through the connecting tube, and the second gear at one end of the collecting roller is connected to the second gear on the adjacent collecting roller by The wheels mesh with each other to drive the other collection rollers to rotate; the method for the driving mechanism to drive multiple adsorption filter bags to rotate in step S2 is: the first bevel gear drives the second bevel gear to rotate by meshing with the second bevel gear, the first coupling second motor drives the turntable to rotate through the rotating shaft, the turntable drives the eccentric shaft to rotate eccentrically, the eccentric shaft drives the rack to slide horizontally in multiple fixed guide rails of the first support plate, and the rack meshes with the first gears on the multiple second support frames during the sliding process and drives the first gears to rotate, and each first gear drives the adsorption filter bag to rotate through the second support frame; the method for the driving mechanism to drive the spiral roller to rotate in step S3 is: the third transmission wheel drives the spiral roller to rotate through the sixth transmission wheel.

[0015] The beneficial effects of the present invention are as follows: (1) The present invention adopts the method of sucking dust into the dust connection area and the collecting drum in sequence, the first fan blows the dust on the upper support shell into multiple rotating collecting drums, and then into the cavity in the side support shell, the adsorption filter bag filters the dust, fine particles enter the adsorption filter bag, and larger particles of dust adhere to the outer surface of the adsorption filter bag, the scraper plate scrapes the dust on the outer surface of the adsorption filter bag, and the scraped dust falls on the dust conveyor belt, and the spiral roller transports the dust to the dust storage area for collection, which can filter and collect mine dust in an all-round and efficient manner, effectively control mine dust pollution, improve the working environment, and protect the health of workers.

[0016] (2) The present invention adopts a method in which each lower supporting shell is detachably provided with a first cover plate located above the dust storage area, so that the first cover plate can be opened to process the dust in the dust storage area, and each side supporting shell is detachably provided with a second cover plate located on one side of the adsorption filter bag, so that the second cover plate can be opened to replace the adsorption filter bag.

[0017] (3) The present invention adopts a method in which dust enters the connecting shell through multiple dust inlet holes at the bottom of the connecting shell, and dust enters the cavity through multiple first dust outlet holes on the side of the connecting shell. The first dust outlet holes on the side are used to prevent dust in the cavity from passing through the connecting shell in the reverse direction and entering the collection drum. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic structural diagram of an embodiment of a device for filtering mine dust of the present invention.

[0019] Figure 2 yes Figure 1 Schematic diagram of the structure from another angle.

[0020] Figure 3 It is a schematic diagram of the parts structure on the upper support shell, the side support shell and the lower support shell.

[0021] Figure 4 It is a structural schematic diagram of the second motor, the first fan and the air outlet.

[0022] Figure 5 It is a schematic diagram of the internal structure of the side support shell and the lower support shell.

[0023] Figure 6 yes Figure 5 Schematic diagram of the structure from the first angle.

[0024] Figure 7 yes Figure 5 Structural schematic diagram from the second angle.

[0025] Figure 8 It is a schematic diagram of the structure of the connected shell.

[0026] Fig. 9 It is a schematic diagram of the structure connecting the shell from another angle.

[0027] Fig.10 It is a schematic diagram of the structure of parts on the adsorption filter bag, the collection drum, the second connecting shaft and the dust conveyor belt.

[0028] Fig.11 It is a schematic diagram of the structure of the second connecting shaft, the third bevel gear, the second fan and the fourth bevel gear.

[0029] Fig.12 yes Fig.10 Schematic diagram of the structure from another angle.

[0030] Fig.13 It is a schematic diagram of the connection structure of the third dust suction hole, the connecting tube and the first transmission roller.

[0031] Fig.14 It is a schematic diagram of the connection structure between the driving mechanism and the spiral roller.

[0032] Fig.15 It is a schematic diagram of the connection structure between the driving mechanism and the adsorption filter bag.

[0033] 1. Upper support shell; 2. Drive mechanism; 201. First bevel gear; 202. First conveyor belt; 203. First motor; 204. First transmission wheel; 205. Second transmission wheel; 206. Second conveyor belt; 207. Third transmission wheel; 208. Third conveyor belt; 209. Second bevel gear; 210. Rotating shaft; 211. Turntable; 212. Eccentric shaft; 213. Rack; 214. First gear; 215. Fixed guide rail; 216. Fixed plate; 217. Fourth transmission wheel; 218. Fifth transmission wheel; 219. Sixth transmission wheel; 3. Side support shell; 4. First cover plate; 5. First dust suction hole; 6. Lower support shell; 7. Second dust suction hole; 8. Second cover plate; 9. Second motor; 10. First support frame; 11. Dust storage area; 12. First fan; 13. Air outlet; 14. First support plate; 15. Second support frame; 16, adsorption filter bag; 17, third dust suction hole; 18, collection drum; 19, first connecting shaft; 20, first coupling; 21, second connecting shaft; 22, lever; 23, dust communication area; 24, fourth dust suction hole; 25, first through hole; 26, communication shell; 27, communication cylinder; 28, dust conveyor belt; 29, second support plate; 30, first dust outlet hole; 31, dust inlet hole; 32, throat clamp; 3 3. First transmission roller; 34. Second gear; 35. Third bevel gear; 36. Third connecting shaft; 37. Second fan; 38. Fourth connecting shaft; 39. Second coupling; 40. Spiral roller; 41. Second transmission roller; 42. Dust-sweeping plate; 43. Second dust-exit hole; 44. Third dust-exit hole; 45. Fourth bevel gear; 46. Dust-scraping plate; 47. Cavity; 48. Partition; 49. Second through hole; 50. Drum placement area. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0035] The mine dust filtering device of the present embodiment comprises an upper supporting shell 1, a driving mechanism 2, a side supporting shell 3, a first cover plate 4, a first dust suction hole 5, a lower supporting shell 6, a second dust suction hole 7, a second cover plate 8, a second motor 9, a first supporting frame 10, a dust storage area 11, a first fan 12, an air outlet 13, a first supporting plate 14, a second supporting frame 15, an adsorption filter bag 16, a third dust suction hole 17, a collecting drum 18, a first connecting shaft 19, a first coupling 20, a second connecting shaft 21, a lever 22, a dust communication area 23, a fourth dust suction hole 24, a first A through hole 25, a connecting shell 26, a connecting cylinder 27, a dust conveyor belt 28, a second support plate 29, a first dust outlet hole 30, a dust inlet hole 31, a throat hoop 32, a first transmission roller 33, a second gear 34, a third bevel gear 35, a third connecting shaft 36, a second fan 37, a fourth connecting shaft 38, a second coupling 39, a spiral roller 40, a second transmission roller 41, a dust sweeping plate 42, a second dust outlet hole 43, a third dust outlet hole 44, a fourth bevel gear 45, a dust scraping plate 46, a cavity 47, a partition 48, a second through hole 49, and a drum placement area 50 are connected to form a structure.

[0036] like Figure 1 to Figure 2 , Figures 5 to 7As shown, a plurality of interconnected lower support shells 6 are arranged on the ground in the mine, and each lower support shell 6 is provided with a partition 48 that divides the interior of the lower support shell 6 into a dust connection area 23, a dust storage area 11 and a drum placement area 50. The dust storage area 11 is used to store dust, and each lower support shell 6 is detachably provided with a first cover plate 4 located above the dust storage area 11, so that the first cover plate 4 can be opened to process the dust in the dust storage area 11. A first dust suction hole 5 for dust entry is processed on one side of each lower support shell 6, and a second fan 37 for sucking dust into the dust connection area 23 is rotatably installed in the first dust suction hole 5. A first through hole 25 that is interconnected with the adjacent lower support shell 6 is processed on the other side of each lower support shell 6, and the first dust suction hole 5 and the first through hole 25 are respectively interconnected with the dust connection area 23, and the top surface of each lower support shell 6 is evenly processed with a second dust suction hole 7, and a plurality of dust collecting holes 7 are rotatably installed in the drum placement area 50. A dust collecting roller 18, each collecting roller 18 is uniformly processed with third dust suction holes 17 that are interconnected in the circumferential direction, and the multiple third dust suction holes 17 on each collecting roller 18 are respectively interconnected with the corresponding second dust suction holes 7 during rotation, and the partition plate 48 is processed with multiple second through holes 49 that are respectively interconnected with the dust communication area 23, and one end of each collecting roller 18 is respectively processed with corresponding fourth dust suction holes 24 that are interconnected with the second through holes 49, and the other end of each collecting roller 18 is respectively processed with second dust outlet holes 43 that are interconnected, and a side supporting shell 3 is respectively provided on one side of each lower supporting shell 6, and a first supporting plate 14 is respectively provided inside each side supporting shell 3, and a plurality of adsorption filter bags 16 are rotatably installed on each first supporting plate 14, and the material used for the adsorption filter bag 16 is polyester fiber or PPS (polyphenylene sulfide) or PTFE (polytetrafluoroethylene), which have excellent filtering performance, can efficiently capture fine particles in dust, and have high dust removal efficiency. Each side support shell 3 is detachably provided with a second cover plate 8 located on one side of the adsorption filter bag 16, so that the second cover plate 8 can be opened to replace the adsorption filter bag. Each adsorption filter bag 16 is connected to the second support frame 15 through a throat hoop 32, and the throat hoop 32 is convenient for replacing the adsorption filter bag 16. A dust scraping plate 46 for scraping dust on the circumferential side wall of the adsorption filter bag 16 is provided at the bottom of the first support plate 14. A cavity 47 is formed between the bottom of the first support plate 14 in the side support shell 3 and the bottom plate of the side support shell 3. A driving mechanism 2 for driving multiple collection rollers 18 and multiple adsorption filter bags 16 to rotate is provided inside each side support shell 3.

[0037] like Figures 8 to 9 As shown, the second dust outlet holes 43 on the plurality of collecting rollers 18 are respectively communicated with the inlet ends of the cavity 47 , and the outlet end of the cavity 47 is communicated with the inlet end of the dust storage area 11 .

[0038] like Figures 10 to 13 As shown, a connecting shell 26 located below the adsorption filter bag 16 is arranged inside the side support shell 3, a plurality of dust inlet holes 31 interconnected with the connecting shell 26 are processed on the bottom, a plurality of first dust outlet holes 30 interconnected with the connecting shell 26 are processed on the side, the dust inlet holes 31 are interconnected with the outlet ends of the second dust outlet holes 43 on the plurality of collecting rollers 18, and the dust inlet holes 31 are interconnected with the cavity 47. A second support plate 29 is provided at the bottom of the side support shell 3, and a first transmission roller 33 and a second transmission roller 41 are rotatably installed between the second support plate 29 and the connecting shell 26. The first transmission roller 33 is connected to the second transmission roller 41 through a dust conveyor belt 28. The dust conveyor belt 28 is located below a plurality of adsorption filter bags 16. Dust sweeping plates 42 for transporting dust are evenly provided on the dust conveyor belt 28. The second transmission roller 41 is connected to the driving mechanism 2. A connecting cylinder 27 connected to each other is provided at the outlet end of the outermost collecting drum 18. A third dust outlet hole 44 connected to the dust inlet hole 31 is processed on the connecting cylinder 27. The connecting cylinder 27 is fixedly connected to the first transmission roller 33, and a second gear 34 that meshes with each other is provided at one end of each collecting drum 18. A spiral roller 40 located at the outlet end of the dust conveyor belt 28 is rotatably installed in the side support shell 3, and the spiral roller 40 is transmission-connected to the driving mechanism 2. A first connecting shaft 19 is provided at one end of the spiral roller 40, and the first connecting shaft 19 is fixedly connected to one end of the second connecting shaft 21 through the first coupling 20, and the second connecting shaft 21 is rotationally connected to the inside of the lower support shell 6. A plurality of levers 22 located inside the dust communication area 23 are provided on the second connecting shaft 21, and the other end of the second connecting shaft 21 is fixedly connected to the fourth connecting shaft 38 through the second coupling 39, and the fourth connecting shaft 38 is rotationally connected to the partition 48, and a third bevel gear 35 is provided at one end of the fourth connecting shaft 38, and a third connecting shaft 36 is rotatably installed in the lower support shell 6, and a fourth bevel gear 45 meshing with the third bevel gear 35 is provided on the third connecting shaft 36, and the third connecting shaft 36 is fixedly connected to the second fans 37 at both ends respectively.

[0039] like Figure 3 to Figure 4 As shown, each side support shell 3 is respectively provided with an upper support shell 1 located above the lower support shell 6, and each upper support shell 1 is respectively provided with a plurality of first support frames 10, and each first support frame 10 is respectively provided with a first fan 12 rotatably mounted, and each first support frame 10 is respectively provided with a second motor 9 for driving the first fan 12 to rotate, and each upper support shell 1 has a bottom plate uniformly processed with an air outlet 13 located below the first fan 12.

[0040] like Figure 14 to Figure 15As shown, the driving mechanism 2 is composed of a first bevel gear 201, a first conveyor belt 202, a first motor 203, a first transmission wheel 204, a second transmission wheel 205, a second conveyor belt 206, a third transmission wheel 207, a third conveyor belt 208, a second bevel gear 209, a rotating shaft 210, a turntable 211, an eccentric shaft 212, a rack 213, a first gear 214, a fixed guide rail 215, a fixed plate 216, a fourth transmission wheel 217, a fifth transmission wheel 218, and a sixth transmission wheel 219.

[0041] The driving mechanism 2 is as follows: a first motor 203 for driving the first transmission wheel 204 to rotate is arranged on the fixed plate 216 in the side support shell 3, the first transmission wheel 204 is rotationally connected to the fixed plate 216, and a coaxially connected second transmission wheel 205, a fourth transmission wheel 217 and a first bevel gear 201 are rotatably installed on the fixed plate 216, the first transmission wheel 204 is transmission-connected to the fourth transmission wheel 217 through the first conveyor belt 202, one end of the spiral roller 40 is coaxially fixedly connected to the sixth transmission wheel 219 and the third transmission wheel 207, the second transmission wheel 205 is transmission-connected to the third transmission wheel 207 through the third conveyor belt 208, one end of the second transmission roller 41 is fixedly connected to the fifth transmission wheel 218, and the sixth transmission wheel 219 is transmission-connected to the fifth transmission wheel 218 through the second conveyor belt 206.

[0042] The first bevel gear 201 is meshed with the second bevel gear 209 for transmission, the second bevel gear 209 is fixedly connected to the bottom of the rotating shaft 210, the rotating shaft 210 is rotatably connected to the first support plate 14, a turntable 211 is provided on the top of the rotating shaft 210, the turntable 211 is eccentrically rotatably connected to one end of the eccentric shaft 212, and the other end of the eccentric shaft 212 is rotatably connected to the rack 213, a plurality of fixed guide rails 215 are provided on the first support plate 14, and the plurality of fixed guide rails 215 are respectively slidably connected to the rack 213 in the horizontal direction, and a first gear 214 meshed with the rack 213 for transmission is provided on the top of the second support frame 15.

[0043] In this embodiment, a filtering method using a filtering device for filtering mine dust includes the following steps: S1, dust absorption: the second fan 37 in the dust communication area 23 rotates to suck the dust into the dust communication area 23 through the first dust suction hole 5 of the lower support shell 6, and the dust in the dust communication area 23 respectively passes through the multiple second through holes 49 of the partition 48 and the fourth dust suction holes 24 of the multiple collection rollers 18 into the corresponding collection rollers 18 in turn, the driving mechanism 2 drives the outermost collection roller 18 to rotate, and the second gears 34 on the two adjacent collection rollers 18 are meshed with each other to drive the multiple collection rollers 18 to rotate. During the rotation of the collection roller 18, the multiple third dust suction holes 17 on the collection roller 18 are respectively engaged with the first dust suction holes 17 on the lower support shell 6. The two dust suction holes 7 are interconnected, and the multiple second motors 9 on the upper supporting shell 1 respectively drive the first fan 12 to rotate. During the rotation of the first fan 12, the dust on the lower supporting shell 6 enters the collecting drum 18 through the second dust suction hole 7 and the third dust suction hole 17 in turn. The dust in each collecting drum 18 flows out through the second dust outlet hole 43, and the collecting drum 18 located on the outermost side flows out through the second dust outlet hole 43 and the third dust outlet hole 44 on the connecting tube 27 in turn. The dust enters the connecting shell 26 through the multiple dust inlet holes 31 at the bottom of the connecting shell 26, and the dust enters the cavity 47 through the multiple first dust outlet holes 30 on the side of the connecting shell 26.

[0044] The method by which the driving mechanism 2 drives the outermost collecting roller 18 to rotate is as follows: the output shaft of the first motor 203 drives the first transmission wheel 204 to rotate, the first transmission wheel 204 drives the fourth transmission wheel 217 to rotate through the first conveyor belt 202, the fourth transmission wheel 217 coaxially drives the second transmission wheel 205 to rotate, the second transmission wheel 205 drives the third transmission wheel 207 to rotate through the third conveyor belt 208, the third transmission wheel 207 drives the sixth transmission wheel 219 to rotate, the sixth transmission wheel 219 drives the fifth transmission wheel 218 to rotate through the second conveyor belt 206, the fifth transmission wheel 218 drives the second transmission roller 41 to rotate, the second transmission roller 41 drives the first transmission roller 33 to rotate through the dust conveyor belt 28, the first transmission roller 33 drives one of the collecting rollers 18 to rotate through the connecting tube 27, and the second gear 34 at one end of the collecting roller 18 drives the other collecting rollers 18 to rotate by mutually meshing with the second gear 34 on the adjacent collecting roller 18.

[0045] S2, adsorption and filtration of dust: multiple adsorption filter bags 16 in the cavity 47 respectively suck the dust into the adsorption filter bags 16 to filter the dust, and the remaining dust adheres to the outer surface of the adsorption filter bags 16. The driving mechanism 2 drives the multiple adsorption filter bags 16 to rotate. During the rotation of the adsorption filter bags 16, the scraper plates 46 scrape the dust on the outer surface of the adsorption filter bags 16, and the scraped dust falls on the dust conveyor belt 28. The driving mechanism 2 drives the second transmission roller 41 to rotate, and the second transmission roller 41 and the first transmission roller 33 drive the dust conveyor belt 28 to transmit. The multiple dust sweeping plates 42 on the dust conveyor belt 28 transport the dust to a position close to the spiral roller 40.

[0046] The method by which the driving mechanism 2 drives the multiple adsorption filter bags 16 to rotate is as follows: the first bevel gear 201 drives the second bevel gear 209 to rotate by meshing with the second bevel gear 209, the second bevel gear 209 drives the turntable 211 to rotate through the rotating shaft 210, the turntable 211 drives the eccentric shaft 212 to rotate eccentrically, the eccentric shaft 212 drives the rack 213 to slide horizontally in the multiple fixed guide rails 215 of the first support plate 14, the rack 213 meshes with the first gears 214 on the multiple second support frames 15 during the sliding process and drives the first gears 214 to rotate, and each first gear 214 drives the adsorption filter bag 16 to rotate through the second support frame 15 respectively.

[0047] S3, transport and collect dust: the driving mechanism 2 drives the spiral roller 40 to rotate, and the spiral roller 40 transports the dust to the dust storage area 11. The spiral roller 40 drives the first connecting shaft 19, the first coupling 20, the second coupling 39 and the fourth connecting shaft 38 to rotate, and the second connecting shaft 21 drives multiple levers 22 to rotate to move and collect the dust.

[0048] The method in which the driving mechanism 2 drives the spiral roller 40 to rotate is as follows: the third transmission wheel 207 drives the spiral roller 40 to rotate via the sixth transmission wheel 219 .

[0049] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A mine dust filtering device, characterized in that: A plurality of interconnected lower support shells (6) are arranged on the ground in a mine. Each lower support shell (6) is provided with a partition (48) for dividing the interior of the lower support shell (6) into a dust connection area (23), a dust storage area (11) and a roller placement area (50). The top surface of each lower support shell (6) is uniformly processed with a second dust suction hole (7). A plurality of collecting rollers (18) for collecting dust are rotatably installed in the roller placement area (50). Each collecting roller (18) is uniformly processed with interconnected third dust suction holes (17) in the circumferential direction. The plurality of third dust suction holes (17) on each collecting roller (18) are interconnected with the corresponding second dust suction holes (7) during rotation. The partition (48) is processed with a plurality of second through holes (49) respectively interconnected with the dust connection area (23). A fourth dust suction hole (24) interconnected with the corresponding second through holes (49) is processed at one end of each collecting roller (18). The other ends of the collecting rollers (18) are respectively processed with second dust outlet holes (43) which are interconnected, and a side support shell (3) is respectively arranged on one side of each lower support shell (6). A first support plate (14) is respectively arranged inside each side support shell (3), and a plurality of adsorption filter bags (16) are rotatably mounted on each first support plate (14). A dust scraping plate (46) for scraping dust on the circumferential side wall of the adsorption filter bag (16) is arranged at the bottom of the first support plate (14). A cavity (47) is formed between the bottom of the first support plate (14) in the side support shell (3) and the bottom plate of the side support shell (3). The second dust outlet holes (43) on the plurality of collecting rollers (18) are respectively interconnected with the inlet end of the cavity (47), and the outlet end of the cavity (47) is interconnected with the inlet end of the dust storage area (11). A driving mechanism (2) for driving the plurality of collecting rollers (18) and the plurality of adsorption filter bags (16) to rotate is respectively arranged inside each side support shell (3).

2. The filtering device for mine dust according to claim 1, characterized in that: Each of the lower supporting shells (6) is processed on one side with a first dust suction hole (5) for dust to enter, a second fan (37) is rotatably installed in the first dust suction hole (5) for sucking dust into the dust communication area (23), and each of the lower supporting shells (6) is processed on the other side with a first through hole (25) interconnected with the adjacent lower supporting shell (6), and the first dust suction hole (5) and the first through hole (25) are respectively interconnected with the dust communication area (23); Each of the side support shells (3) is provided with an upper support shell (1) located above the lower support shell (6), each of the upper support shells (1) is provided with a plurality of first support frames (10), each of the first support frames (10) is provided with a first fan (12) rotatably mounted thereon, each of the first support frames (10) is provided with a second motor (9) for driving the first fan (12) to rotate, and each of the upper support shells (1) is provided with a uniformly processed air outlet (13) located below the first fan (12) on the bottom plate.

3. The filtering device for mine dust according to claim 1, characterized in that: Each of the lower support shells (6) is detachably provided with a first cover plate (4) located above the dust storage area (11), and each of the side support shells (3) is detachably provided with a second cover plate (8) located on one side of the adsorption filter bag (16), and each adsorption filter bag (16) is connected to the second support frame (15) via a throat clamp (32).

4. The mine dust filtering device according to claim 1, characterized in that: A connecting shell (26) located below the adsorption filter bag (16) is arranged inside the side support shell (3); a plurality of dust inlet holes (31) interconnected with the connecting shell (26) are processed on the bottom; a plurality of first dust outlet holes (30) interconnected with the connecting shell (26) are processed on the side of the connecting shell (26); the dust inlet holes (31) are interconnected with outlet ends of the second dust outlet holes (43) on the plurality of collection rollers (18); and the dust inlet holes (31) are interconnected with the cavity (47).

5. The filtering device for mine dust according to claim 4, characterized in that: A second support plate (29) is provided at the bottom of the side support shell (3), a first transmission roller (33) and a second transmission roller (41) are rotatably mounted between the second support plate (29) and the connecting shell (26), the first transmission roller (33) is transmission-connected to the second transmission roller (41) via a dust conveyor belt (28), the dust conveyor belt (28) is located below a plurality of adsorption filter bags (16), dust sweeping plates (42) for transporting dust are evenly arranged on the dust conveyor belt (28), the second transmission roller (41) is transmission-connected to the driving mechanism (2), a connecting cylinder (27) is provided at the outlet end of the outermost collecting roller (18), a third dust outlet hole (44) interconnected with the dust inlet hole (31) is machined on the connecting cylinder (27), the connecting cylinder (27) is fixedly connected to the first transmission roller (33), and a second gear (34) meshing with each other for transmission is provided at one end of each collecting roller (18).

6. The filtering device for mine dust according to claim 5, characterized in that: A spiral roller (40) located at the outlet end of the dust conveyor belt (28) is rotatably mounted in the side support shell (3), the spiral roller (40) is transmission-connected to the driving mechanism (2), a first connecting shaft (19) is provided at one end of the spiral roller (40), the first connecting shaft (19) is fixedly connected to one end of the second connecting shaft (21) via a first coupling (20), the second connecting shaft (21) is rotatably connected to the inside of the lower support shell (6), and a plurality of levers (21) located inside the dust communication area (23) are provided on the second connecting shaft (21). 2), the other end of the second connecting shaft (21) is fixedly connected to the fourth connecting shaft (38) through the second coupling (39), the fourth connecting shaft (38) is rotatably connected to the partition (48), one end of the fourth connecting shaft (38) is provided with a third bevel gear (35), the third connecting shaft (36) is rotatably mounted inside the lower support shell (6), the third connecting shaft (36) is provided with a fourth bevel gear (45) meshing with the third bevel gear (35), and the third connecting shaft (36) is fixedly connected to the second fans (37) at both ends.

7. The mine dust filtering device according to any one of claims 1, 5 and 6, characterized in that: The driving mechanism (2) comprises: a first motor (203) for driving a first transmission wheel (204) to rotate is arranged on a fixed plate (216) in a side support shell (3); the first transmission wheel (204) is rotationally connected to the fixed plate (216); a second transmission wheel (205), a fourth transmission wheel (217) and a first bevel gear (201) are coaxially mounted on the fixed plate (216); the first transmission wheel (204) is transmission-connected to the fourth transmission wheel (217) via a first conveyor belt (202); one end of the spiral roller (40) is coaxially fixedly connected to a sixth transmission wheel (219) and a third transmission wheel (207); the second transmission wheel (205) is transmission-connected to the third transmission wheel (207) via a third conveyor belt (208); one end of the second transmission roller (41) is fixedly connected to a fifth transmission wheel (218); and the sixth transmission wheel (219) is transmission-connected to the fifth transmission wheel (218) via a second conveyor belt (206).

8. The filtering device for mine dust according to claim 7, characterized in that: The first bevel gear (201) is meshed with the second bevel gear (209) for transmission, the second bevel gear (209) is fixedly connected to the bottom of the rotating shaft (210), the rotating shaft (210) is rotatably connected to the first support plate (14), a rotating disk (211) is arranged on the top of the rotating shaft (210), the rotating disk (211) is eccentrically rotatably connected to one end of the eccentric shaft (212), the other end of the eccentric shaft (212) is rotatably connected to the rack (213), a plurality of fixed guide rails (215) are arranged on the first support plate (14), the plurality of fixed guide rails (215) are respectively slidably connected to the rack (213) in a horizontal direction, and a first gear (214) meshed with the rack (213) for transmission is arranged on the top of the second support frame (15).

9. A filtering method using the filtering device for mine dust according to claim 8, characterized in that: The following steps are involved: S1, dust absorption: the second fan (37) in the dust connection area (23) rotates to suck dust into the dust connection area (23) through the first dust suction hole (5) of the lower support shell (6), and the dust in the dust connection area (23) respectively passes through the plurality of second through holes (49) of the partition plate (48) and the fourth dust suction holes (24) of the plurality of collection rollers (18) and enters the corresponding collection roller (18) in sequence, the driving mechanism (2) drives the outermost collection roller (18) to rotate, and the second gears (34) on the two adjacent collection rollers (18) mesh with each other to drive the plurality of collection rollers (18) to rotate, and during the rotation of the collection roller (18), the plurality of third dust suction holes (17) on the collection roller (18) are respectively in contact with the second dust suction holes (24) on the lower support shell (6). The dust suction holes (7) are interconnected, and the plurality of second motors (9) on the upper support shell (1) respectively drive the first fan (12) to rotate. During the rotation process, the first fan (12) sequentially passes the dust on the lower support shell (6) through the second dust suction holes (7) and the third dust suction holes (17) into the collection roller (18). The dust in each collection roller (18) flows out through the second dust outlet holes (43). The collection roller (18) located on the outermost side sequentially flows out through the second dust outlet holes (43) and the third dust outlet holes (44) on the connecting cylinder (27). The dust enters the connecting shell (26) through the plurality of dust inlet holes (31) at the bottom of the connecting shell (26). The dust enters the cavity (47) through the plurality of first dust outlet holes (30) on the side of the connecting shell (26). S2, adsorption and filtration of dust: a plurality of adsorption filter bags (16) in the cavity (47) respectively absorb dust into the interior of the adsorption filter bags (16) to filter the dust, and the remaining dust adheres to the outer surface of the adsorption filter bags (16). The driving mechanism (2) drives the plurality of adsorption filter bags (16) to rotate. During the rotation of the adsorption filter bags (16), the dust scraping plate (46) scrapes the dust on the outer surface of the adsorption filter bags (16), and the scraped dust falls onto the dust conveyor belt (28). The driving mechanism (2) drives the second transmission roller (41) to rotate, and the second transmission roller (41) and the first transmission roller (33) drive the dust conveyor belt (28) to drive. The plurality of dust sweeping plates (42) on the dust conveyor belt (28) transport the dust to a position close to the spiral roller (40); S3, transporting and collecting dust: the driving mechanism (2) drives the spiral roller (40) to rotate, and the spiral roller (40) transports the dust to the dust storage area (11). The spiral roller (40) drives the first connecting shaft (19), the first coupling (20), the second coupling (39) and the fourth connecting shaft (38) to rotate, and the second connecting shaft (21) drives the plurality of levers (22) to rotate to move and collect the dust.

10. The filtering method of the mine dust filtering device according to claim 9, characterized in that: The method by which the driving mechanism (2) drives the outermost collecting roller (18) to rotate in step S1 is as follows: the output shaft of the first motor (203) drives the first transmission wheel (204) to rotate, the first transmission wheel (204) drives the fourth transmission wheel (217) to rotate via the first conveyor belt (202), the fourth transmission wheel (217) coaxially drives the second transmission wheel (205) to rotate, the second transmission wheel (205) drives the third transmission wheel (207) to rotate via the third conveyor belt (208), the third transmission wheel (207) drives the sixth transmission wheel (219) to rotate, The sixth transmission wheel (219) drives the fifth transmission wheel (218) to rotate via the second conveyor belt (206); the fifth transmission wheel (218) drives the second transmission roller (41) to rotate; the second transmission roller (41) drives the first transmission roller (33) to rotate via the dust conveyor belt (28); the first transmission roller (33) drives one of the collection rollers (18) to rotate via the connecting tube (27); the second gear (34) at one end of the collection roller (18) drives the other collection rollers (18) to rotate by meshing with the second gear (34) on the adjacent collection roller (18); The method for driving the plurality of adsorption filter bags (16) to rotate by the driving mechanism (2) in step S2 is as follows: the first bevel gear (201) drives the second bevel gear (209) to rotate by meshing with the second bevel gear (209); the first coupling (20) and the second motor (9) drive the rotating disk (211) to rotate via the rotating shaft (210); the rotating disk (211) drives the eccentric shaft (212) to rotate eccentrically; the eccentric shaft (212) drives the rack (213) to slide in the horizontal direction in the plurality of fixed guide rails (215) of the first support plate (14); during the sliding process, the rack (213) meshes with the first gears (214) on the plurality of second support frames (15) to drive the first gears (214) to rotate; each first gear (214) drives the adsorption filter bag (16) to rotate via the second support frame (15); The method in which the driving mechanism (2) drives the spiral roller (40) to rotate in step S3 is as follows: the third transmission wheel (207) drives the spiral roller (40) to rotate via the sixth transmission wheel (219).

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